diff options
Diffstat (limited to 'app-c/appc/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/impl/ProviderAdapterImpl.java')
| -rw-r--r-- | app-c/appc/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/impl/ProviderAdapterImpl.java | 2723 |
1 files changed, 2723 insertions, 0 deletions
diff --git a/app-c/appc/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/impl/ProviderAdapterImpl.java b/app-c/appc/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/impl/ProviderAdapterImpl.java new file mode 100644 index 000000000..b1bba0918 --- /dev/null +++ b/app-c/appc/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/openecomp/appc/adapter/iaas/impl/ProviderAdapterImpl.java @@ -0,0 +1,2723 @@ +/*- + * ============LICENSE_START======================================================= + * openECOMP : APP-C + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights + * reserved. + * ================================================================================ + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * ============LICENSE_END========================================================= + */ + +package org.openecomp.appc.adapter.iaas.impl; + +import com.woorea.openstack.base.client.OpenStackBaseException; +import com.woorea.openstack.heat.Heat; +import org.glassfish.grizzly.http.util.HttpStatus; +import org.openecomp.appc.Constants; +import org.openecomp.appc.adapter.iaas.ProviderAdapter; +import org.openecomp.appc.adapter.openstack.heat.SnapshotResource; +import org.openecomp.appc.adapter.openstack.heat.StackResource; +import org.openecomp.appc.adapter.openstack.heat.model.CreateSnapshotParams; +import org.openecomp.appc.adapter.openstack.heat.model.Snapshot; +import org.openecomp.appc.configuration.Configuration; +import org.openecomp.appc.configuration.ConfigurationFactory; +import org.openecomp.appc.exceptions.APPCException; +import org.openecomp.appc.exceptions.UnknownProviderException; +import org.openecomp.appc.i18n.Msg; +import org.openecomp.appc.pool.Pool; +import org.openecomp.appc.pool.PoolExtensionException; +import org.openecomp.appc.util.StructuredPropertyHelper; +import org.openecomp.appc.util.StructuredPropertyHelper.Node; +import com.att.cdp.exceptions.*; +import com.att.cdp.openstack.OpenStackContext; +import com.att.cdp.openstack.connectors.HeatConnector; +import com.att.cdp.openstack.util.ExceptionMapper; +import com.att.cdp.pal.util.StringHelper; +import com.att.cdp.zones.*; +import com.att.cdp.zones.model.Image; +import com.att.cdp.zones.model.Server; +import com.att.cdp.zones.model.ServerBootSource; +import com.att.cdp.zones.model.Stack; +import com.att.cdp.zones.model.Server.Status; +import com.att.cdp.zones.spi.AbstractService; +import com.att.cdp.zones.spi.RequestState; +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; +import com.att.eelf.i18n.EELFResourceManager; +import org.openecomp.sdnc.sli.SvcLogicContext; +import org.slf4j.MDC; + +import static com.att.eelf.configuration.Configuration.MDC_SERVICE_NAME; + +import java.io.IOException; +import java.net.URI; +import java.text.SimpleDateFormat; +import java.util.*; +import java.util.regex.Pattern; + +/** + * This class implements the {@link ProviderAdapter} interface. This interface defines the behaviors that our service + * provides. + */ +@SuppressWarnings("javadoc") +public class ProviderAdapterImpl implements ProviderAdapter { + + /** + * The name of the adapter + */ + @SuppressWarnings("nls") + private static final String ADAPTER_NAME = "Appc IaaS Adapter"; + + /** + * The username and password to use for dynamically created connections + */ + private static String DEFAULT_USER; + private static String DEFAULT_PASS; + + /** + * The constant used to define the adapter name in the mapped diagnostic context + */ + @SuppressWarnings("nls") + private static final String MDC_ADAPTER = "adapter"; + + /** + * The constant used to define the service name in the mapped diagnostic context + */ + @SuppressWarnings("nls") + static final String MDC_SERVICE = "service"; + + /** + * The constant for the status code for a failed outcome + */ + @SuppressWarnings("nls") + private static final String OUTCOME_FAILURE = "failure"; + + /** + * The constant for the status code for a successful outcome + */ + @SuppressWarnings("nls") + private static final String OUTCOME_SUCCESS = "success"; + + /** + * A constant for the property token "provider" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER = "provider"; + + /** + * A constant for the property token "identity" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER_IDENTITY = "identity"; + + /** + * A constant for the property token "tenant" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER_TENANT = "tenant"; + + /** + * A constant for the property token "tenant name" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER_TENANT_NAME = "name"; + + /** + * A constant for the property token "password" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER_TENANT_PASSWORD = "password"; // NOSONAR + + /** + * A constant for the property token "userid" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER_TENANT_USERID = "userid"; + + /** + * A constant for the property token "type" used in the structured property specifications + */ + @SuppressWarnings("nls") + private static final String PROPERTY_PROVIDER_TYPE = "type"; + + /** + * The name of the service to evacuate a server + */ + @SuppressWarnings("nls") + private static final String EVACUATE_SERVICE = "evacuateServer"; + + /** + * The name of the service to migrate a server + */ + @SuppressWarnings("nls") + private static final String MIGRATE_SERVICE = "migrateServer"; + + /** + * The name of the service to rebuild a server + */ + @SuppressWarnings("nls") + private static final String REBUILD_SERVICE = "rebuildServer"; + + /** + * The name of the service to restart a server + */ + @SuppressWarnings("nls") + private static final String RESTART_SERVICE = "restartServer"; + + /** + * The name of the service to check status of a server + */ + @SuppressWarnings("nls") + private static final String VMSTATUSCHECK_SERVICE = "vmStatuschecker"; + + + /** + * The name of the service to restart a server + */ + @SuppressWarnings("nls") + private static final String SNAPSHOT_SERVICE = "createSnapshot"; + + /** + * The name of the service to terminate a stack + */ + @SuppressWarnings("nls") + private static final String TERMINATE_STACK = "terminateStack"; + + /** + * The name of the service to snapshot a stack + */ + @SuppressWarnings("nls") + private static final String SNAPSHOT_STACK = "snapshotStack"; + + /** + * The name of a service to start a server + */ + @SuppressWarnings("nls") + private static final String START_SERVICE = "startServer"; + + /** + * The name of the service to stop a server + */ + @SuppressWarnings("nls") + private static final String STOP_SERVICE = "stopServer"; + + /** + * The name of the service to stop a server + */ + @SuppressWarnings("nls") + private static final String TERMINATE_SERVICE = "terminateServer"; + + /** + * The name of the service to lookup a server + */ + @SuppressWarnings("nls") + private static final String LOOKUP_SERVICE = "lookupServer"; + + /** + * The logger to be used + */ + private static final EELFLogger logger = EELFManager.getInstance().getLogger(ProviderAdapterImpl.class); + + private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss"; + + /** + * The constant for a left parenthesis + */ + private static final char LPAREN = '('; + + /** + * The constant for a new line control code + */ + private static final char NL = '\n'; + + /** + * The constant for a single quote + */ + private static final char QUOTE = '\''; + + /** + * The constant for a right parenthesis + */ + private static final char RPAREN = ')'; + + /** + * The constant for a space + */ + private static final char SPACE = ' '; + + /** + * A reference to the adapter configuration object. + */ + private Configuration configuration; + + /** + * A cache of providers that are predefined. + */ + private Map<String /* provider name */, ProviderCache> providerCache; + + /** + * A list of valid initial VM statuses for a migrate operations + */ + private static final Collection<Status> migratableStatuses = Arrays.asList(Status.READY, Status.RUNNING, Status.SUSPENDED); + + /** + * This default constructor is used as a work around because the activator wasnt getting called + */ + @SuppressWarnings("all") + public ProviderAdapterImpl() { + initialize(); + + } + + /** + * This constructor is used primarily in the test cases to bypass initialization of the adapter for isolated, + * disconnected testing + * + * @param initialize + * True if the adapter is to be initialized, can false if not + */ + @SuppressWarnings("all") + public ProviderAdapterImpl(boolean initialize) { + configuration = ConfigurationFactory.getConfiguration(); + if (initialize) { + initialize(); + } + } + + /** + * @param props + * not used + */ + public ProviderAdapterImpl(@SuppressWarnings("unused") Properties props) { + initialize(); + + } + + /** + * Returns the symbolic name of the adapter + * + * @return The adapter name + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#getAdapterName() + */ + @Override + public String getAdapterName() { + return configuration.getProperty(Constants.PROPERTY_ADAPTER_NAME); + } + + @SuppressWarnings("nls") + @Override + public Image createSnapshot(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Image snapshot = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, SNAPSHOT_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:Snapshot"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.SNAPSHOTING_SERVER, appName); + String msg; + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + debugParameters(params); + debugContext(ctx); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + Server server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + + if (hasImageAccess(rc, context)) { + snapshot = createSnapshot(rc, server); + doSuccess(rc); + } else { + msg = EELFResourceManager.format(Msg.REBUILD_SERVER_FAILED, server.getName(), server.getId(), + "Accessing Image Service Failed"); + logger.error(msg); + doFailure(rc, HttpStatus.FORBIDDEN_403, msg); + } + context.close(); + } + } catch (ResourceNotFoundException e) { + msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + SNAPSHOT_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + return snapshot; + } + + private boolean validateVM(RequestContext rc, String appName, String vm_url, VMURL vm) + throws RequestFailedException { + String msg; + if (vm == null) { + msg = EELFResourceManager.format(Msg.INVALID_SELF_LINK_URL, appName, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + return true; + } + validateVMURL(vm); + return false; + } + + private Image createSnapshot(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + Context context = server.getContext(); + Provider provider = context.getProvider(); + ImageService service = context.getImageService(); // Already checked access by this point + + String snapshotName = generateSnapshotName(server.getName()); + + logger.info(String.format("Creating snapshot of server %s (%s) with name %s", server.getName(), server.getId(), + snapshotName)); + + // Request Snapshot + String msg; + while (rc.attempt()) { + try { + server.createSnapshot(snapshotName); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Stop Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + + // Locate snapshot image + Image snapshot = null; + while (rc.attempt()) { + try { + snapshot = service.getImageByName(snapshotName); + if (snapshot != null) { + break; + } + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Stop Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + + // Wait for it to be ready + waitForStateChange(rc, snapshot, Image.Status.ACTIVE); + + return snapshot; + } + + private String generateSnapshotName(String server) { + SimpleDateFormat df = new SimpleDateFormat(DATE_FORMAT); + return String.format("Snapshot of %s at %s", server, df.format(new Date())); + } + + /** + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#evacuateServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server evacuateServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, EVACUATE_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:Evacuate"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.EVACUATING_SERVER, appName); + String msg; + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + String providerName = params.get(ProviderAdapter.PROPERTY_PROVIDER_NAME); + debugParameters(params); + debugContext(ctx); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + Context context = null; + try { + context = getContext(rc, vm_url, providerName); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + evacuateServer(rc, server); + server.refreshStatus(); + context.close(); + doSuccess(rc); + } + } catch (ResourceNotFoundException e) { + msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + EVACUATE_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + /** + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#migrateServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server migrateServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, MIGRATE_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:Migrate"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.MIGRATING_SERVER, appName); + String msg; + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + debugParameters(params); + debugContext(ctx); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + migrateServer(rc, server); + server.refreshStatus(); + context.close(); + doSuccess(rc); + } + } catch (ResourceNotFoundException e) { + msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + MIGRATE_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + private void evacuateServer(RequestContext rc, @SuppressWarnings("unused") Server server) throws ZoneException, RequestFailedException { + doFailure(rc, HttpStatus.NOT_IMPLEMENTED_501, "The operation 'EVACUATE' is not yet implemented"); + } + + private void migrateServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + String msg; + Context ctx = server.getContext(); + ComputeService service = ctx.getComputeService(); + + // Init status will equal final status + Status initialStatus = server.getStatus(); + + if (initialStatus == null) { + throw new ZoneException("Failed to determine server's starting status"); + } + + // We can only migrate certain statuses + if (!migratableStatuses.contains(initialStatus)) { + throw new ZoneException(String.format("Cannot migrate server that is in %s state. Must be in one of [%s]", + initialStatus, migratableStatuses)); + } + + boolean inConfirmPhase = false; + try { + while (rc.attempt()) { + try { + if (!inConfirmPhase) { + // Initial migrate request + service.migrateServer(server.getId()); + // Wait for change to verify resize + waitForStateChange(rc, server, Status.READY); + inConfirmPhase = true; + } + + // Verify resize + service.processResize(server); + // Wait for complete. will go back to init status + waitForStateChange(rc, server, initialStatus); + logger.info("Completed migrate request successfully"); + return; + } catch (ContextConnectionException e) { + msg = getConnectionExceptionMessage(rc, ctx, e); + logger.error(msg, e); + rc.delay(); + } + } + } catch (ZoneException e) { + String phase = inConfirmPhase ? "VERIFY MIGRATE" : "REQUEST MIGRATE"; + msg = EELFResourceManager.format(Msg.MIGRATE_SERVER_FAILED, server.getName(), server.getId(), phase, + e.getMessage()); + generateEvent(rc, false, msg); + logger.error(msg, e); + throw new RequestFailedException("Migrate Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server); + } + + } + + /** + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#rebuildServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server rebuildServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, REBUILD_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:Rebuild"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.REBUILDING_SERVER, appName); + String msg; + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + debugParameters(params); + debugContext(ctx); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + + // Manually checking image service until new PAL release + if (hasImageAccess(rc, context)) { + rebuildServer(rc, server); + doSuccess(rc); + } else { + msg = EELFResourceManager.format(Msg.REBUILD_SERVER_FAILED, server.getName(), server.getId(), + "Accessing Image Service Failed"); + logger.error(msg); + doFailure(rc, HttpStatus.FORBIDDEN_403, msg); + } + context.close(); + } + } catch (ResourceNotFoundException e) { + msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + STOP_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + /** + * This method is used to restart an existing virtual machine given the fully qualified URL of the machine. + * <p> + * The fully qualified URL contains enough information to locate the appropriate server. The URL is of the form + * <pre> + * [scheme]://[host[:port]] / [path] / [tenant_id] / servers / [vm_id] + * </pre> Where the various parts of the URL can be parsed and extracted and used to locate the appropriate service + * in the provider service catalog. This then allows us to open a context using the CDP abstraction, obtain the + * server by its UUID, and then perform the restart. + * </p> + * + * @throws UnknownProviderException + * If the provider cannot be found + * @throws IllegalArgumentException + * if the expected argument(s) are not defined or are invalid + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#restartServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server restartServer(Map<String, String> params, SvcLogicContext ctx) + throws UnknownProviderException, IllegalArgumentException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, RESTART_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:Restart"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.RESTARTING_SERVER, appName); + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + debugParameters(params); + debugContext(ctx); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + restartServer(rc, server); + context.close(); + doSuccess(rc); + } + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + RESTART_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + /* *********************************************************************************/ + /* DEVEN PANCHAL: This method is used to check the status of the VM */ + /**********************************************************************************/ + public Server vmStatuschecker(Map<String, String> params, SvcLogicContext ctx) throws UnknownProviderException, IllegalArgumentException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, VMSTATUSCHECK_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter: vmstatuscheck"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + debugParameters(params); + debugContext(ctx); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + + String statusvm; + switch (server.getStatus()) { + case DELETED: + statusvm = "deleted"; + break; + + case RUNNING: + statusvm = "running"; + break; + + case ERROR: + statusvm = "error"; + break; + + case READY: + statusvm = "ready"; + break; + + case PAUSED: + statusvm = "paused"; + break; + + case SUSPENDED: + statusvm = "suspended"; + break; + + case PENDING: + statusvm = "pending"; + break; + + default: + statusvm = "default-unknown state-should never occur"; + break; + } + + + String statusofVM = statusvm; + context.close(); + SvcLogicContext svcLogic = rc.getSvcLogicContext(); + svcLogic.setStatus(OUTCOME_SUCCESS); + svcLogic.setAttribute("org.openecomp.statusofvm", statusofVM); + svcLogic.setAttribute(Constants.STATUS_OF_VM, statusofVM); + svcLogic.setAttribute(Constants.ATTRIBUTE_ERROR_CODE, Integer.toString(HttpStatus.OK_200.getStatusCode())); + } + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + RESTART_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + /* *********************************************************************************/ + + + /** + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#startServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server startServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, START_SERVICE); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.RESTARTING_SERVER, appName); + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + debugParameters(params); + debugContext(ctx); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + String providerName = params.get(ProviderAdapter.PROPERTY_PROVIDER_NAME); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + Context context = null; + try { + context = getContext(rc, vm_url, providerName); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + stopServer(rc, server); + server.refreshStatus(); + context.close(); + doSuccess(rc); + } + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + START_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + /** + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#stopServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server stopServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, STOP_SERVICE); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + logger.info(Msg.STOPPING_SERVER, appName); + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + debugParameters(params); + debugContext(ctx); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + ctx.setAttribute("STOP_STATUS", "SUCCESS"); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + if (server.getStatus().equals(Status.PENDING)) { + throw new RequestFailedException("Server is in pending Status"); + } + stopServer(rc, server); + server.refreshStatus(); + if (server.getStatus().equals(Status.ERROR)) { + throw new RequestFailedException("Server is in ERROR state after operation"); + } + context.close(); + doSuccess(rc); + }else{ + ctx.setAttribute("STOP_STATUS", "SERVER_NOT_FOUND"); + } + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + ctx.setAttribute("STOP_STATUS", "SERVER_NOT_FOUND"); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + STOP_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + ctx.setAttribute("STOP_STATUS", "ERROR"); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + logger.error(EELFResourceManager.format(Msg.STOP_SERVER_FAILED, appName, "n/a", "n/a", e.getMessage())); + ctx.setAttribute("STOP_STATUS", "ERROR"); + doFailure(rc, e.getStatus(), e.getMessage()); + } + + return server; + } + + /** + * This method is used to validate that the parameters contain all required property names, and that the values are + * non-null and non-empty strings. We are still not ensured that the value is valid, but at least it exists. + * + * @param ctx + * The request context object that manages the request + * @param parameters + * The parameters to be checked + * @param propertyNames + * The list of property names that are required to be present. + * @throws RequestFailedException + * If the parameters are not valid + */ + @SuppressWarnings({ + "nls", "static-method" + }) + private void validateParametersExist(@SuppressWarnings("unused") RequestContext ctx, Map<String, String> parameters, String... propertyNames) + throws RequestFailedException { + boolean success = true; + StringBuilder msg = new StringBuilder(EELFResourceManager.format(Msg.MISSING_REQUIRED_PROPERTIES, MDC.get(MDC_SERVICE))); + msg.append(NL); + for (String propertyName : propertyNames) { + String value = parameters.get(propertyName); + if (value == null || value.trim().length() == 0) { + success = false; + msg.append(QUOTE); + msg.append(propertyName); + msg.append(QUOTE); + msg.append(SPACE); + } + } + + if (!success) { + logger.error(msg.toString()); + throw new RequestFailedException("Check Parameters", msg.toString(), HttpStatus.BAD_REQUEST_400, (Server)null); + } + } + + /** + * This method is used to create a diagnostic dump of the context for the log + * + * @param context + * The context to be dumped + */ + @SuppressWarnings({ + "nls", "static-method" + }) + private void debugContext(SvcLogicContext context) { + Set<String> keys = context.getAttributeKeySet(); + StringBuilder builder = new StringBuilder(); + + builder.append("Service Logic Context: Status "); + builder.append(LPAREN); + builder.append(context.getStatus()); + builder.append(RPAREN); + builder.append(", Attribute count "); + builder.append(LPAREN); + builder.append(keys == null ? "none" : Integer.toString(keys.size())); + builder.append(RPAREN); + if (keys != null && !keys.isEmpty()) { + builder.append(NL); + for (String key : keys) { + String value = context.getAttribute(key); + builder.append("Attribute "); + builder.append(LPAREN); + builder.append(key); + builder.append(RPAREN); + builder.append(", value "); + builder.append(LPAREN); + builder.append(value == null ? "" : value); + builder.append(RPAREN); + builder.append(NL); + } + } + + logger.debug(builder.toString()); + } + + void validateVMURL(VMURL vm) throws RequestFailedException { + String name = "vm-id"; + if (vm == null) { + throw new RequestFailedException(String.format("The value %s cannot be null.", name)); + } + + // Check that its a good uri + // This will probably never get hit bc of an earlier check while parsing + // the string to a VMURL + try { + //noinspection ResultOfMethodCallIgnored + URI.create(vm.toString()); + } catch (Exception e) { + throw new RequestFailedException( + String.format("The value %s is not well formed [%s].", name, vm.toString())); + } + + // Check the tenant and vmid segments + String patternRegex = "([0-9a-f]{8}(-)?[0-9a-f]{4}(-)?[0-9a-f]{4}(-)?[0-9a-f]{4}(-)?[0-9a-f]{12})"; + Pattern pattern = Pattern.compile(patternRegex, Pattern.CASE_INSENSITIVE); + + if (!pattern.matcher(vm.getTenantId()).matches()) { + throw new RequestFailedException( + String.format("The value %s has an invalid tenantId [%s].", name, vm.getTenantId())); + } + if (!pattern.matcher(vm.getServerId()).matches()) { + throw new RequestFailedException( + String.format("The value %s has an invalid serverId [%s].", name, vm.getServerId())); + } + } + + @SuppressWarnings("unused") + private void validateIdentityURL(IdentityURL id) throws RequestFailedException { + String name = "identity-url"; + if (id == null) { + throw new RequestFailedException(String.format("The value %s cannot be null.", name)); + } + + // Check that its a good uri + // This will probably never get hit bc of an earlier check while parsing + // the string to a VMURL + try { + //noinspection ResultOfMethodCallIgnored + URI.create(id.toString()); + } catch (Exception e) { + throw new RequestFailedException( + String.format("The value %s is not well formed [%s].", name, id.toString())); + } + } + + /** + * This method is used to dump the value of the parameters to the log for debugging purposes. + * + * @param parameters + * The parameters to be printed to the log + */ + @SuppressWarnings("static-method") + private void debugParameters(Map<String, String> parameters) { + for (String key : parameters.keySet()) { + logger.debug(Msg.PROPERTY_VALUE, key, parameters.get(key)); + } + } + + /** + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param code + * @param message + */ + @SuppressWarnings("static-method") + private void doFailure(RequestContext rc, HttpStatus code, String message) { + try { + doFailure(rc, code, message, null); + } catch (APPCException ignored) {/* never happens */} + } + + + private void doFailure(RequestContext rc, HttpStatus code, String message, Throwable cause) throws APPCException { + SvcLogicContext svcLogic = rc.getSvcLogicContext(); + String msg = (message == null) ? code.getReasonPhrase() : message; + if (msg.contains("\n")) { + msg = msg.substring(0, msg.indexOf("\n")); + } + String status; + try { + status = Integer.toString(code.getStatusCode()); + } catch (Exception e) { + status = "500"; + } + svcLogic.setStatus(OUTCOME_FAILURE); + svcLogic.setAttribute(Constants.ATTRIBUTE_ERROR_CODE, status); + svcLogic.setAttribute(Constants.ATTRIBUTE_ERROR_MESSAGE, msg); + svcLogic.setAttribute(Constants.DG_OUTPUT_STATUS_MESSAGE, msg); + + if (null != cause) throw new APPCException(cause); + } + + /** + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + */ + @SuppressWarnings("static-method") + private void doSuccess(RequestContext rc) { + SvcLogicContext svcLogic = rc.getSvcLogicContext(); + svcLogic.setStatus(OUTCOME_SUCCESS); + svcLogic.setAttribute(Constants.ATTRIBUTE_ERROR_CODE, Integer.toString(HttpStatus.OK_200.getStatusCode())); + } + + /** + * Generates the event indicating what happened + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param success + * True if the event represents a successful outcome + * @param msg + * The detailed message + */ + private void generateEvent(@SuppressWarnings("unused") RequestContext rc, @SuppressWarnings("unused") boolean success, @SuppressWarnings("unused") String msg) { + // indication to the DG to generate the event? + } + + /** + * This method is a general helper method used to locate a server given its fully-qualified self-link URL on a + * supported provider, regardless of region(s), and to return an opened context that can be used to access that + * server. + * + * @param rc + * The request context that wraps and manages the state of the request + * @param selfLinkURL + * The fully-qualified self-link URL of the server + * @param providerName + * The name of the provider to be searched + * @return The context that can be used to access the server, or null if not found. + */ + @SuppressWarnings("nls") + private Context getContext(RequestContext rc, String selfLinkURL, String providerName) { + VMURL vm = VMURL.parseURL(selfLinkURL); + IdentityURL ident = IdentityURL.parseURL(providerName); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + if (vm == null) { + String msg = EELFResourceManager.format(Msg.INVALID_SELF_LINK_URL, appName, selfLinkURL); + logger.error(msg); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + return null; + } + + /* + * Get the cache of tenants and contexts for the named provider, if one exists + */ + ProviderCache cache = providerCache.get(providerName); + + /* + * If one doesn't exist, try and create it. If we have enough information to create it successfully, add it to + * the cache and continue, otherwise fail the request. + */ + if (cache == null) { + if (ident != null) { + cache = createProviderCache(vm, ident); + } + if (cache != null) { + providerCache.put(cache.getProviderName(), cache); + } else { + String msg = + EELFResourceManager.format(Msg.UNKNOWN_PROVIDER, providerName, providerCache.keySet().toString()); + logger.error(msg); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + return null; + } + } + + if (providerName == null) { + logger + .debug(String.format("Using the default provider cache [%s] since no valid identity url was passed in.", + cache.getIdentityURL())); + } + + // get the tenant cache for the vm + String identityURL = cache.getIdentityURL(); + TenantCache tenantCache = cache.getTenant(vm.getTenantId()); + + if(tenantCache == null){ + //no tenantCache matching tenant, add tenant to the provider cache + tenantCache = cache.addTenant(vm.getTenantId(),null,DEFAULT_USER, DEFAULT_PASS); + + if(tenantCache == null){ + //tenant not found + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, selfLinkURL); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + return null; + } + } + + //reserve the context + String tenantName = tenantCache.getTenantName(); + String tenantId = tenantCache.getTenantId(); + String region = tenantCache.determineRegion(vm); + + if (region != null) { + Pool<Context> pool = tenantCache.getPools().get(region); + + while (rc.attempt()) { + try { + Context context = pool.reserve(); + + /* + * Insert logic here to test the context for connectivity because we may have gotten one from + * the pool that was previously created. + */ + if (context.isStale()) { + context.relogin(); + } + return context; + } catch (PoolExtensionException e) { + String msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, providerName, identityURL, + tenantName, tenantId, e.getMessage(), Long.toString(rc.getRetryDelay()), + Integer.toString(rc.getAttempts()), Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } catch (Exception e) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e, + e.getClass().getSimpleName(), "find", selfLinkURL, tenantCache.getTenantName()); + + logger.error(msg, e); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + return null; + } + } + + String msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, providerName, identityURL); + logger.error(msg); + doFailure(rc, HttpStatus.BAD_GATEWAY_502, msg); + return null; + } + + + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, selfLinkURL); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + return null; + } + + /** + * initialize the provider adapter by building the context cache + */ + private void initialize() { + configuration = ConfigurationFactory.getConfiguration(); + + /* + * Initialize the provider cache for all defined providers. The definition of the providers uses a structured + * property set, where the names form a hierarchical name space (dotted notation, such as one.two.three). Each + * name in the name space can also be serialized by appending a sequence number. All nodes at the same level + * with the same serial number are grouped together in the namespace hierarchy. This allows a hierarchical + * multi-valued property to be defined, which can then be used to setup the provider and tenant caches. + * <p> + * For example, the following definitions show how the namespace hierarchy is defined for two providers, with + * two tenants on the first provider and a single tenant for the second provider. <pre> + * provider1.type=OpenStackProvider1 + * provider1.name=OpenStackProviderName1 + * provider1.identity=http://192.168.1.2:5000/v2.0 + * provider1.tenant1.name=MY-TENANT-NAME + * provider1.tenant1.userid=userid + * provider1.tenant1.password=userid@123 + * provider1.tenant2.name=MY-TENANT-NAME + * provider1.tenant2.userid=userid + * provider1.tenant2.password=userid@123 + * provider2.type=OpenStackProvider2 + * provider2.name=OpenStackProviderName2 + * provider2.identity=http://192.168.1.2:5000/v2.0 + * provider2.tenant1.name=MY-TENANT-NAME + * provider2.tenant1.userid=userid + * provider2.tenant1.password=userid@123 + * </pre> + * </p> + */ + providerCache = new HashMap<>(); + Properties properties = configuration.getProperties(); + List<Node> providers = StructuredPropertyHelper.getStructuredProperties(properties, PROPERTY_PROVIDER); + + for (Node provider : providers) { + ProviderCache cache = new ProviderCache(); + List<Node> providerNodes = provider.getChildren(); + for (Node node : providerNodes) { + if (node.getName().equals(PROPERTY_PROVIDER_TYPE)) { + cache.setProviderType(node.getValue()); + } else if (node.getName().equals(PROPERTY_PROVIDER_IDENTITY)) { + cache.setIdentityURL(node.getValue()); + cache.setProviderName(node.getValue()); + } else if (node.getName().startsWith(PROPERTY_PROVIDER_TENANT)) { + String tenantName = null; + String userId = null; + String password = null; + for (Node node2 : node.getChildren()) { + switch (node2.getName()) { + case PROPERTY_PROVIDER_TENANT_NAME: + tenantName = node2.getValue(); + break; + case PROPERTY_PROVIDER_TENANT_USERID: + userId = node2.getValue(); + DEFAULT_USER = node2.getValue(); + break; + case PROPERTY_PROVIDER_TENANT_PASSWORD: + password = node2.getValue(); + DEFAULT_PASS = node2.getValue(); + break; + } + } + + cache.addTenant(null, tenantName, userId, password); + } + } + + /* + * Add the provider to the set of providers cached + */ + if (cache.getIdentityURL() != null && cache.getProviderType() != null) { + providerCache.put(null, cache); + providerCache.put(cache.getIdentityURL(), cache); + } + + /* + * Now, initialize the cache for the loaded provider + */ + cache.initialize(); + } + } + + /** + * This method is called to rebuild the provided server. + * <p> + * If the server was booted from a volume, then the request is failed immediately and no action is taken. Rebuilding + * a VM from a bootable volume, where the bootable volume itself is not rebuilt, serves no purpose. + * </p> + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * @throws ZoneException + * @throws RequestFailedException + */ + @SuppressWarnings("nls") + private void rebuildServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + + ServerBootSource builtFrom = server.getBootSource(); + String msg; + + // Throw exception for non image/snap boot source + if (ServerBootSource.VOLUME.equals(builtFrom)) { + msg = String.format("Rebuilding is currently not supported for servers built from bootable volumes [%s]", + server.getId()); + generateEvent(rc, false, msg); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.FORBIDDEN_403, server); + } + /* + * Pending is a bit of a special case. If we find the server is in a pending state, then the provider is in the + * process of changing state of the server. So, lets try to wait a little bit and see if the state settles down + * to one we can deal with. If not, then we have to fail the request. + */ + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + if (server.getStatus().equals(Status.PENDING)) { + waitForStateChange(rc, server, Status.READY, Status.RUNNING, Status.ERROR, Status.SUSPENDED, Status.PAUSED); + } + + /* + * Get the image to use. This is determined by the presence or absence of snapshot images. If any snapshots + * exist, then the latest snapshot is used, otherwise the image used to construct the VM is used. + */ + List<Image> snapshots = server.getSnapshots(); + String imageToUse; + if (snapshots != null && !snapshots.isEmpty()) { + imageToUse = snapshots.get(0).getId(); + } else { + imageToUse = server.getImage(); + ImageService imageService = server.getContext().getImageService(); + try { + while (rc.attempt()) { + try { + /* + * We are just trying to make sure that the image exists. We arent interested in the details at + * this point. + */ + imageService.getImage(imageToUse); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), + imageService.getURL(), context.getTenant().getName(), context.getTenant().getId(), + e.getMessage(), Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + } catch (ZoneException e) { + msg = EELFResourceManager.format(Msg.IMAGE_NOT_FOUND, imageToUse, "rebuild"); + generateEvent(rc, false, msg); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + + /* + * We determine what to do based on the current state of the server + */ + switch (server.getStatus()) { + case DELETED: + // Nothing to do, the server is gone + msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(), + server.getTenantId(), "rebuilt"); + generateEvent(rc, false, msg); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server); + + case RUNNING: + // Attempt to stop the server, then rebuild it + stopServer(rc, server); + rebuildServer(rc, server, imageToUse); + startServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case ERROR: + msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(), + server.getTenantId(), "rebuild"); + generateEvent(rc, false, msg); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server); + + case READY: + // Attempt to rebuild the server + rebuildServer(rc, server, imageToUse); + startServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case PAUSED: + // if paused, un-pause it, stop it, and rebuild it + unpauseServer(rc, server); + stopServer(rc, server); + rebuildServer(rc, server, imageToUse); + startServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case SUSPENDED: + // Attempt to resume the suspended server, stop it, and rebuild it + resumeServer(rc, server); + stopServer(rc, server); + rebuildServer(rc, server, imageToUse); + startServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + default: + // Hmmm, unknown status, should never occur + msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(), + server.getTenantId(), server.getStatus().name()); + generateEvent(rc, false, msg); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server); + } + } + + /** + * This method handles the case of restarting a server once we have found the server and have obtained the abstract + * representation of the server via the context (i.e., the "Server" object from the CDP-Zones abstraction). + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server object representing the server we want to operate on + * @throws ZoneException + */ + @SuppressWarnings("nls") + private void restartServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + /* + * Pending is a bit of a special case. If we find the server is in a pending state, then the provider is in the + * process of changing state of the server. So, lets try to wait a little bit and see if the state settles down + * to one we can deal with. If not, then we have to fail the request. + */ + String msg; + if (server.getStatus().equals(Status.PENDING)) { + waitForStateChange(rc, server, Status.READY, Status.RUNNING, Status.ERROR, Status.SUSPENDED, Status.PAUSED); + } + + /* + * We determine what to do based on the current state of the server + */ + switch (server.getStatus()) { + case DELETED: + // Nothing to do, the server is gone + msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(), + server.getTenantId(), "restarted"); + generateEvent(rc, false, msg); + logger.error(msg); + break; + + case RUNNING: + // Attempt to stop and start the server + stopServer(rc, server); + startServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case ERROR: + msg = EELFResourceManager.format(Msg.SERVER_ERROR_STATE, server.getName(), server.getId(), + server.getTenantId(), "rebuild"); + generateEvent(rc, false, msg); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.METHOD_NOT_ALLOWED_405, server); + + case READY: + // Attempt to start the server + startServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case PAUSED: + // if paused, un-pause it + unpauseServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case SUSPENDED: + // Attempt to resume the suspended server + resumeServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + default: + // Hmmm, unknown status, should never occur + msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(), + server.getTenantId(), server.getStatus().name()); + generateEvent(rc, false, msg); + logger.error(msg); + break; + } + + } + + /** + * Resume a suspended server and wait for it to enter a running state + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server to be resumed + * @throws ZoneException + * @throws RequestFailedException + */ + @SuppressWarnings("nls") + private void resumeServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + logger.debug(Msg.RESUME_SERVER, server.getId()); + + Context context = server.getContext(); + String msg; + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + while (rc.attempt()) { + try { + server.resume(); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Resume Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + waitForStateChange(rc, server, Status.RUNNING); + } + + /** + * Start the server and wait for it to enter a running state + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server to be started + * @throws ZoneException + * @throws RequestFailedException + */ + @SuppressWarnings("nls") + private void startServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + logger.debug(Msg.START_SERVER, server.getId()); + String msg; + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + while (rc.attempt()) { + try { + server.start(); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Start Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + waitForStateChange(rc, server, Status.RUNNING); + } + + /** + * Stop the specified server and wait for it to stop + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server to be stopped + * @throws ZoneException + * @throws RequestFailedException + */ + @SuppressWarnings("nls") + private void stopServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + logger.debug(Msg.STOP_SERVER, server.getId()); + + String msg; + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + while (rc.attempt()) { + try { + server.stop(); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Stop Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + waitForStateChange(rc, server, Status.READY, Status.ERROR); + } + + /** + * Un-Pause a paused server and wait for it to enter a running state + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server to be un-paused + * @throws ZoneException + * @throws RequestFailedException + */ + @SuppressWarnings("nls") + private void unpauseServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + logger.debug(Msg.UNPAUSE_SERVER, server.getId()); + + String msg; + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + while (rc.attempt()) { + try { + server.unpause(); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Unpause Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + waitForStateChange(rc, server, Status.RUNNING, Status.READY); + } + + /** + * Enter a pool-wait loop checking the server state to see if it has entered one of the desired states or not. + * <p> + * This method checks the state of the server periodically for one of the desired states. When the server enters one + * of the desired states, the method returns a successful indication (true). If the server never enters one of the + * desired states within the allocated timeout period, then the method returns a failed response (false). No + * exceptions are thrown from this method. + * </p> + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server to wait on + * @param desiredStates + * A variable list of desired states, any one of which is allowed. + * @throws RequestFailedException + * If the request times out or fails for some reason + */ + @SuppressWarnings("nls") + private void waitForStateChange(RequestContext rc, Server server, Server.Status... desiredStates) + throws RequestFailedException { + int pollInterval = configuration.getIntegerProperty(Constants.PROPERTY_OPENSTACK_POLL_INTERVAL); + int timeout = configuration.getIntegerProperty(Constants.PROPERTY_SERVER_STATE_CHANGE_TIMEOUT); + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + String msg; + + long endTime = System.currentTimeMillis() + (timeout * 1000); // + + while (rc.attempt()) { + try { + try { + server.waitForStateChange(pollInterval, timeout, desiredStates); + break; + } catch (TimeoutException e) { + @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") + List<String> list = new ArrayList<>(); + for (Server.Status desiredState : desiredStates) { + list.add(desiredState.name()); + } + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } catch (ZoneException e) { + List<String> list = new ArrayList<>(); + for (Server.Status desiredState : desiredStates) { + list.add(desiredState.name()); + } + String reason = EELFResourceManager.format(Msg.STATE_CHANGE_EXCEPTION, e.getClass().getSimpleName(), + "server", server.getName(), server.getId(), StringHelper.asList(list), server.getStatus().name(), + e.getMessage()); + logger.error(reason); + logger.error(EELFResourceManager.format(e)); + + // Instead of failing we are going to wait and try again. + // Timeout is reduced by delay time + logger.info(String.format("Retrying in %ds", rc.getRetryDelay())); + rc.delay(); + timeout = (int) (endTime - System.currentTimeMillis()) / 1000; + // throw new RequestFailedException(e, operation, reason, + // HttpStatus.BAD_GATEWAY_502, server); + } + } + + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Waiting for State Change", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + } + + /** + * Enter a pool-wait loop checking the server state to see if it has entered one of the desired states or not. + * <p> + * This method checks the state of the server periodically for one of the desired states. When the server enters one + * of the desired states, the method returns a successful indication (true). If the server never enters one of the + * desired states within the allocated timeout period, then the method returns a failed response (false). No + * exceptions are thrown from this method. + * </p> + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param image + * The server to wait on + * @param desiredStates + * A variable list of desired states, any one of which is allowed. + * @throws RequestFailedException + * If the request times out or fails for some reason + * @throws NotLoggedInException + */ + @SuppressWarnings("nls") + private void waitForStateChange(RequestContext rc, Image image, Image.Status... desiredStates) + throws RequestFailedException, NotLoggedInException { + int pollInterval = configuration.getIntegerProperty(Constants.PROPERTY_OPENSTACK_POLL_INTERVAL); + int timeout = configuration.getIntegerProperty(Constants.PROPERTY_SERVER_STATE_CHANGE_TIMEOUT); + Context context = image.getContext(); + Provider provider = context.getProvider(); + ImageService service = context.getImageService(); + String msg; + + long endTime = System.currentTimeMillis() + (timeout * 1000); // + + while (rc.attempt()) { + try { + try { + image.waitForStateChange(pollInterval, timeout, desiredStates); + break; + } catch (TimeoutException e) { + @SuppressWarnings("MismatchedQueryAndUpdateOfCollection") + List<String> list = new ArrayList<>(); + for (Image.Status desiredState : desiredStates) { + list.add(desiredState.name()); + } + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } catch (ZoneException e) { + List<String> list = new ArrayList<>(); + for (Image.Status desiredState : desiredStates) { + list.add(desiredState.name()); + } + String reason = EELFResourceManager.format(Msg.STATE_CHANGE_EXCEPTION, e.getClass().getSimpleName(), + "server", image.getName(), image.getId(), StringHelper.asList(list), image.getStatus().name(), + e.getMessage()); + logger.error(reason); + logger.error(EELFResourceManager.format(e)); + + // Instead of failing we are going to wait and try again. + // Timeout is reduced by delay time + logger.info(String.format("Retrying in %ds", rc.getRetryDelay())); + rc.delay(); + timeout = (int) (endTime - System.currentTimeMillis()) / 1000; + // throw new RequestFailedException(e, operation, reason, + // HttpStatus.BAD_GATEWAY_502, server); + } + } + + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Waiting for State Change", msg, HttpStatus.BAD_GATEWAY_502, new Server()); + } + rc.reset(); + } + + /** + * Rebuild the indicated server with the indicated image. This method assumes the server has been determined to be + * in the correct state to do the rebuild. + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * the server to be rebuilt + * @param image + * The image to be used (or snapshot) + * @throws RequestFailedException + * if the server does not change state in the allotted time + */ + @SuppressWarnings("nls") + private void rebuildServer(RequestContext rc, Server server, String image) throws RequestFailedException { + String msg; + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + + try { + while (rc.attempt()) { + try { + server.rebuild(image); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + + /* + * We need to provide some time for OpenStack to start processing the request. + */ + try { + Thread.sleep(10L * 1000L); + } catch (InterruptedException e) { + logger.trace("Sleep threw interrupted exception, should never occur"); + } + } catch (ZoneException e) { + msg = + EELFResourceManager.format(Msg.REBUILD_SERVER_FAILED, server.getName(), server.getId(), e.getMessage()); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + + /* + * Once we have started the process, now we wait for the final state of stopped. This should be the final state + * (since we started the rebuild with the server stopped). + */ + waitForStateChange(rc, server, Status.READY); + + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Rebuild Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + } + + /** + * Looks up the indicated server using the provided context and returns the server to the caller + * + * @param rc + * The request context + * @param context + * The provider context + * @param id + * The id of the server + * @return The server, or null if there is a problem + * @throws ZoneException + * If the server cannot be found + * @throws RequestFailedException + * If the server cannot be found because we cant connect to the provider + */ + @SuppressWarnings("nls") + private Server lookupServer(RequestContext rc, Context context, String id) + throws ZoneException, RequestFailedException { + ComputeService service = context.getComputeService(); + Server server = null; + String msg; + Provider provider = context.getProvider(); + + while (rc.attempt()) { + try { + server = service.getServer(id); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + doFailure(rc, HttpStatus.BAD_GATEWAY_502, msg); + throw new RequestFailedException("Lookup Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + return server; + } + + private String getConnectionExceptionMessage(RequestContext rc, Context ctx, ContextConnectionException e) + throws ZoneException { + return EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, ctx.getProvider().getName(), + ctx.getComputeService().getURL(), ctx.getTenant().getName(), ctx.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + } + + private ProviderCache createProviderCache(VMURL vm, IdentityURL ident) { + if (vm != null && ident != null) { + ProviderCache cache = new ProviderCache(); + + cache.setIdentityURL(ident.toString()); + cache.setProviderName(ident.toString()); + // cache.setProviderType("OpenStack"); + + TenantCache tenant = cache.addTenant(vm.getTenantId(),null, DEFAULT_USER, DEFAULT_PASS); + + // Make sure we could initialize the the cache otherwise return null + if (tenant != null && tenant.isInitialized()) { + return cache; + } + } + return null; + } + + /** + * This method is used to delete an existing virtual machine given the fully qualified URL of the machine. + * <p> + * The fully qualified URL contains enough information to locate the appropriate server. The URL is of the form + * <pre> + * [scheme]://[host[:port]] / [path] / [tenant_id] / servers / [vm_id] + * </pre> Where the various parts of the URL can be parsed and extracted and used to locate the appropriate service + * in the provider service catalog. This then allows us to open a context using the CDP abstraction, obtain the + * server by its UUID, and then perform the restart. + * </p> + * + * @throws UnknownProviderException + * If the provider cannot be found + * @throws IllegalArgumentException + * if the expected argument(s) are not defined or are invalid + * @see org.openecomp.appc.adapter.iaas.ProviderAdapter#terminateServer(java.util.Map, org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + @Override + public Server terminateServer(Map<String, String> params, SvcLogicContext ctx) + throws UnknownProviderException, IllegalArgumentException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, TERMINATE_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:Terminate"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + if (logger.isDebugEnabled()) { + logger.debug("Inside org.openecomp.appc.adapter.iaas.impl.ProviderAdapter.terminateServer"); + } + + try { + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + debugParameters(params); + debugContext(ctx); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + ctx.setAttribute("TERMINATE_STATUS", "SUCCESS"); + + VMURL vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + Context context = null; + try { + context = getContext(rc, vm_url, identStr); + if (context != null) { + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + logger.info(EELFResourceManager.format(Msg.TERMINATING_SERVER, server.getName())); + terminateServer(rc, server); + logger.info(EELFResourceManager.format(Msg.TERMINATE_SERVER, server.getName())); + context.close(); + doSuccess(rc); + }else{ + ctx.setAttribute("TERMINATE_STATUS", "SERVER_NOT_FOUND"); + } + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + ctx.setAttribute("TERMINATE_STATUS", "SERVER_NOT_FOUND"); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + RESTART_SERVICE, vm_url, context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + logger.error(EELFResourceManager.format(Msg.TERMINATE_SERVER_FAILED, appName, "n/a", "n/a", e.getMessage())); + doFailure(rc, e.getStatus(), e.getMessage()); + ctx.setAttribute("TERMINATE_STATUS", "ERROR"); + } + + return server; + } + + /** + * This method handles the case of restarting a server once we have found the server and have obtained the abstract + * representation of the server via the context (i.e., the "Server" object from the CDP-Zones abstraction). + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server object representing the server we want to operate on + * @throws ZoneException + */ + @SuppressWarnings("nls") + private void terminateServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + /* + * Pending is a bit of a special case. If we find the server is in a pending state, then the provider is in the + * process of changing state of the server. So, lets try to wait a little bit and see if the state settles down + * to one we can deal with. If not, then we have to fail the request. + */ + String msg; + if (server.getStatus().equals(Status.PENDING)) { + waitForStateChange(rc, server, Status.READY, Status.RUNNING, Status.ERROR, Status.SUSPENDED, Status.PAUSED); + } + + /* + * We determine what to do based on the current state of the server + */ + switch (server.getStatus()) { + case DELETED: + // Nothing to do, the server is gone + msg = EELFResourceManager.format(Msg.SERVER_DELETED, server.getName(), server.getId(), + server.getTenantId(), "restarted"); + generateEvent(rc, false, msg); + logger.error(msg); + break; + + case RUNNING: + // Attempt to stop and start the server + logger.info("stopping SERVER"); + stopServer(rc, server); + deleteServer(rc, server); + logger.info("after delete SERVER"); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + case ERROR: + + case READY: + + case PAUSED: + + case SUSPENDED: + // Attempt to delete the suspended server + deleteServer(rc, server); + generateEvent(rc, true, OUTCOME_SUCCESS); + break; + + default: + // Hmmm, unknown status, should never occur + msg = EELFResourceManager.format(Msg.UNKNOWN_SERVER_STATE, server.getName(), server.getId(), + server.getTenantId(), server.getStatus().name()); + generateEvent(rc, false, msg); + logger.error(msg); + break; + } + + } + + /** + * Start the server and wait for it to enter a running state + * + * @param rc + * The request context that manages the state and recovery of the request for the life of its processing. + * @param server + * The server to be started + * @throws ZoneException + * @throws RequestFailedException + */ + @SuppressWarnings("nls") + private void deleteServer(RequestContext rc, Server server) throws ZoneException, RequestFailedException { + String msg; + Context context = server.getContext(); + Provider provider = context.getProvider(); + ComputeService service = context.getComputeService(); + while (rc.attempt()) { + try { + logger.info("deleting SERVER"); + server.delete(); + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), service.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), service.getURL()); + logger.error(msg); + throw new RequestFailedException("Delete Server", msg, HttpStatus.BAD_GATEWAY_502, server); + } + rc.reset(); + } + + private boolean hasImageAccess(@SuppressWarnings("unused") RequestContext rc, Context context) { + logger.info("Checking permissions for image service."); + try { + ImageService service = context.getImageService(); + service.getImageByName("CHECK_IMAGE_ACCESS"); + logger.info("Image service is accessible."); + return true; + } catch (ZoneException e) { + logger.warn("Image service could not be accessed. Some operations may fail.", e); + return false; + } + } + + @SuppressWarnings("nls") + @Override + public Stack terminateStack(Map<String, String> params, SvcLogicContext ctx) throws IllegalArgumentException, APPCException { + Stack stack = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + + ctx.setAttribute("TERMINATE_STATUS", "STACK_NOT_FOUND"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + try { + + logAndValidate(params, ctx, rc, TERMINATE_STACK, "Terminate Stack", + ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME, + ProviderAdapter.PROPERTY_STACK_ID); + + String stackId = params.get(ProviderAdapter.PROPERTY_STACK_ID); + String vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + + Context context = resolveContext(rc, params, appName, vm_url); + + try { + if (context != null) { + stack = lookupStack(rc, context, stackId); + logger.debug(Msg.STACK_FOUND, vm_url, context.getTenantName(), stack.getStatus().toString()); + logger.info(EELFResourceManager.format(Msg.TERMINATING_STACK, stack.getName())); + deleteStack(rc, stack); + logger.info(EELFResourceManager.format(Msg.TERMINATE_STACK, stack.getName())); + context.close(); + doSuccess(rc); + }else{ + ctx.setAttribute("TERMINATE_STATUS", "SERVER_NOT_FOUND"); + } + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.STACK_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.STACK_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + TERMINATE_STACK, vm_url, context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + } catch (RequestFailedException e) { + logger.error(EELFResourceManager.format(Msg.TERMINATE_STACK_FAILED, appName, "n/a", "n/a")); + doFailure(rc, e.getStatus(), e.getMessage()); + } + return stack; + } + + @Override + public Stack snapshotStack(Map<String, String> params, SvcLogicContext ctx) throws IllegalArgumentException, APPCException { + Stack stack = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + + ctx.setAttribute("SNAPSHOT_STATUS", "STACK_NOT_FOUND"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + String vm_url = null; + Context context = null; + try { + + logAndValidate(params, ctx, rc, SNAPSHOT_STACK, "Snapshot Stack", + ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME, + ProviderAdapter.PROPERTY_STACK_ID); + + String stackId = params.get(ProviderAdapter.PROPERTY_STACK_ID); + vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + + context = resolveContext(rc, params, appName, vm_url); + + if (context != null) { + stack = lookupStack(rc, context, stackId); + logger.debug(Msg.STACK_FOUND, vm_url, context.getTenantName(), stack.getStatus().toString()); + logger.info(EELFResourceManager.format(Msg.SNAPSHOTING_STACK, stack.getName())); + + Snapshot snapshot = snapshotStack(rc, stack); + + ctx.setAttribute(ProviderAdapter.DG_OUTPUT_PARAM_NAMESPACE + + ProviderAdapter.PROPERTY_SNAPSHOT_ID, snapshot.getId()); + + logger.info(EELFResourceManager.format(Msg.STACK_SNAPSHOTED, stack.getName(), snapshot.getId())); + context.close(); + doSuccess(rc); + } else { + ctx.setAttribute(Constants.DG_ATTRIBUTE_STATUS, "failure"); + } + + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.STACK_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg, e); + } catch (RequestFailedException e) { + logger.error(EELFResourceManager.format(Msg.MISSING_PARAMETER_IN_REQUEST, e.getReason(), "snapshotStack")); + doFailure(rc, e.getStatus(), e.getMessage(), e); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.STACK_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + "snapshotStack", vm_url, null == context ? "n/a" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg, t); + } + return stack; + } + + @Override + public Stack restoreStack(Map<String, String> params, SvcLogicContext ctx) throws IllegalArgumentException, APPCException { + Stack stack = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + + ctx.setAttribute("SNAPSHOT_STATUS", "STACK_NOT_FOUND"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + String vm_url = null; + Context context = null; + + try { + + logAndValidate(params, ctx, rc, SNAPSHOT_STACK, "Snapshot Stack", + ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME, + ProviderAdapter.PROPERTY_STACK_ID, + ProviderAdapter.PROPERTY_INPUT_SNAPSHOT_ID); + + String stackId = params.get(ProviderAdapter.PROPERTY_STACK_ID); + vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + + String snapshotId = params.get(ProviderAdapter.PROPERTY_INPUT_SNAPSHOT_ID); + + context = resolveContext(rc, params, appName, vm_url); + + if (context != null) { + stack = lookupStack(rc, context, stackId); + logger.debug(Msg.STACK_FOUND, vm_url, context.getTenantName(), stack.getStatus().toString()); + logger.info(EELFResourceManager.format(Msg.RESTORING_STACK, stack.getName(), snapshotId)); + restoreStack(stack, snapshotId); + logger.info(EELFResourceManager.format(Msg.STACK_RESTORED, stack.getName(), snapshotId)); + context.close(); + doSuccess(rc); + } else { + ctx.setAttribute(Constants.DG_ATTRIBUTE_STATUS, "failure"); + } + + } catch (ResourceNotFoundException e) { + String msg = EELFResourceManager.format(Msg.STACK_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg, e); + } catch (RequestFailedException e) { + logger.error(EELFResourceManager.format(Msg.MISSING_PARAMETER_IN_REQUEST, e.getReason(), "restoreStack")); + doFailure(rc, e.getStatus(), e.getMessage(), e); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.STACK_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + "restoreStack", vm_url, null == context ? "n/a" : context.getTenantName()); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg, t); + } + return stack; + } + + private void logAndValidate(Map<String, String> params, SvcLogicContext ctx, RequestContext rc, String methodName, String serviceName, String ... attributes) + throws RequestFailedException { + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, SNAPSHOT_STACK); + MDC.put(MDC_SERVICE_NAME, String.format("App-C IaaS Adapter:%s", serviceName)); + if (logger.isDebugEnabled()) { + logger.debug(String.format("Inside org.openecomp.appc.adapter.iaas.impl.ProviderAdapter.%s", methodName)); + } + + validateParametersExist(rc, params, attributes); + + debugParameters(params); + debugContext(ctx); + } + + private Context resolveContext(RequestContext rc, Map<String, String> params, String appName, String vm_url) + throws RequestFailedException { + + VMURL vm = VMURL.parseURL(vm_url); + if (vm == null) { + String msg = EELFResourceManager.format(Msg.INVALID_SELF_LINK_URL, appName, vm_url); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + logger.error(msg); + return null; + } + validateVMURL(vm); + IdentityURL ident = IdentityURL.parseURL(params.get(ProviderAdapter.PROPERTY_IDENTITY_URL)); + String identStr = (ident == null) ? null : ident.toString(); + + return getContext(rc, vm_url, identStr); + + } + + private void deleteStack(RequestContext rc, Stack stack) throws ZoneException, RequestFailedException { + SvcLogicContext ctx = rc.getSvcLogicContext(); + Context context = stack.getContext(); + StackService stackService = context.getStackService(); + logger.debug("Deleting Stack: " + "id:{ " + stack.getId() + "}"); + stackService.deleteStack(stack); + + // wait for the stack deletion + boolean success = waitForStackStatus(rc, stack, Stack.Status.DELETED); + if (success) { + ctx.setAttribute("TERMINATE_STATUS", "SUCCESS"); + } else { + ctx.setAttribute("TERMINATE_STATUS", "ERROR"); + throw new RequestFailedException("Delete Stack failure : " + Msg.STACK_OPERATION_EXCEPTION.toString()); + } + } + + private boolean waitForStackStatus(RequestContext rc, Stack stack, Stack.Status expectedStatus) throws ZoneException, RequestFailedException { + SvcLogicContext ctx = rc.getSvcLogicContext(); + Context context = stack.getContext(); + StackService stackService = context.getStackService(); + + int pollInterval = configuration.getIntegerProperty(Constants.PROPERTY_OPENSTACK_POLL_INTERVAL); + int timeout = configuration.getIntegerProperty(Constants.PROPERTY_STACK_STATE_CHANGE_TIMEOUT); + long maxTimeToWait = System.currentTimeMillis() + (long) timeout * 1000; + Stack.Status stackStatus; + while (System.currentTimeMillis() < maxTimeToWait) { + stackStatus = stackService.getStack(stack.getName(), stack.getId()).getStatus(); + logger.debug("Stack status : " + stackStatus.toString()); + if (stackStatus == expectedStatus) { + return true; + } else if (stackStatus == Stack.Status.FAILED) { + return false; + } else { + try { + Thread.sleep(pollInterval * 1000); + } catch (InterruptedException e) { + logger.trace("Sleep threw interrupted exception, should never occur"); + } + } + } + + ctx.setAttribute("TERMINATE_STATUS", "ERROR"); + throw new TimeoutException("Timeout waiting for stack status change"); + + } + + private Snapshot snapshotStack(@SuppressWarnings("unused") RequestContext rc, Stack stack) throws ZoneException, RequestFailedException { + Snapshot snapshot = new Snapshot(); + Context context = stack.getContext(); + + OpenStackContext osContext = (OpenStackContext)context; + + final HeatConnector heatConnector = osContext.getHeatConnector(); + ((OpenStackContext)context).refreshIfStale(heatConnector); + + trackRequest(context); + RequestState.put("SERVICE", "Orchestration"); + RequestState.put("SERVICE_URL", heatConnector.getEndpoint()); + + Heat heat = heatConnector.getClient(); + + SnapshotResource snapshotResource = new SnapshotResource(heat); + + try { + + snapshot = snapshotResource.create(stack.getName(), stack.getId(), new CreateSnapshotParams()).execute(); + + // wait for the stack deletion + StackResource stackResource = new StackResource(heat); + if (!waitForStack(stack, stackResource, "SNAPSHOT_COMPLETE")) { + throw new RequestFailedException("Stack Snapshot failed."); + } + + } catch (OpenStackBaseException e) { + ExceptionMapper.mapException(e); + } + + return snapshot; + } + + private void restoreStack(Stack stack, String snapshotId) throws ZoneException, RequestFailedException { + Context context = stack.getContext(); + + OpenStackContext osContext = (OpenStackContext)context; + + final HeatConnector heatConnector = osContext.getHeatConnector(); + ((OpenStackContext)context).refreshIfStale(heatConnector); + + trackRequest(context); + RequestState.put("SERVICE", "Orchestration"); + RequestState.put("SERVICE_URL", heatConnector.getEndpoint()); + + Heat heat = heatConnector.getClient(); + + SnapshotResource snapshotResource = new SnapshotResource(heat); + + try { + + snapshotResource.restore(stack.getName(), stack.getId(), snapshotId).execute(); + + // wait for the snapshot restore + StackResource stackResource = new StackResource(heat); + if (!waitForStack(stack, stackResource, "RESTORE_COMPLETE")) { + throw new RequestFailedException("Snapshot restore failed."); + } + + } catch (OpenStackBaseException e) { + ExceptionMapper.mapException(e); + } + + } + + private boolean waitForStack(Stack stack, StackResource stackResource, String expectedStatus) + throws OpenStackBaseException, TimeoutException { + int pollInterval = configuration.getIntegerProperty(Constants.PROPERTY_OPENSTACK_POLL_INTERVAL); + int timeout = configuration.getIntegerProperty(Constants.PROPERTY_STACK_STATE_CHANGE_TIMEOUT); + long maxTimeToWait = System.currentTimeMillis() + (long) timeout * 1000; + + while (System.currentTimeMillis() < maxTimeToWait) { + String stackStatus = stackResource.show(stack.getName(), stack.getId()).execute().getStackStatus(); + logger.debug("Stack status : " + stackStatus); + if (stackStatus.toUpperCase().contains("FAILED")) return false; + if(checkStatus(expectedStatus, pollInterval, stackStatus)) return true; + } + throw new TimeoutException("Timeout waiting for stack status change"); + } + + private boolean checkStatus(String expectedStatus, int pollInterval, String actualStatus) { + if (actualStatus.toUpperCase().equals(expectedStatus)) { + return true; + } else { + try { + Thread.sleep(pollInterval * 1000); + } catch (InterruptedException ignored) { + } + } + return false; + } + + private void trackRequest(Context context, AbstractService.State... states) { + RequestState.clear(); + + if (null == states) return; + for (AbstractService.State state : states) { + RequestState.put(state.getName(), state.getValue()); + } + + Thread currentThread = Thread.currentThread(); + StackTraceElement[] stack = currentThread.getStackTrace(); + if (stack != null && stack.length > 0) { + int index = 0; + StackTraceElement element; + for (; index < stack.length; index++) { + element = stack[index]; + if ("trackRequest".equals(element.getMethodName())) { //$NON-NLS-1$ + break; + } + } + index++; + + if (index < stack.length) { + element = stack[index]; + RequestState.put(RequestState.METHOD, element.getMethodName()); + RequestState.put(RequestState.CLASS, element.getClassName()); + RequestState.put(RequestState.LINE_NUMBER, Integer.toString(element.getLineNumber())); + RequestState.put(RequestState.THREAD, currentThread.getName()); + RequestState.put(RequestState.PROVIDER, context.getProvider().getName()); + RequestState.put(RequestState.TENANT, context.getTenantName()); + RequestState.put(RequestState.PRINCIPAL, context.getPrincipal()); + } + } + } + + private Stack lookupStack(RequestContext rc, Context context, String id) + throws ZoneException, RequestFailedException { + StackService stackService = context.getStackService(); + Stack stack = null; + String msg; + Provider provider = context.getProvider(); + while (rc.attempt()) { + try { + List<Stack> stackList = stackService.getStacks(); + for (Stack stackObj : stackList) { + if (stackObj.getId().equals(id)) { + stack = stackObj; + break; + } + } + break; + } catch (ContextConnectionException e) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED_RETRY, provider.getName(), stackService.getURL(), + context.getTenant().getName(), context.getTenant().getId(), e.getMessage(), + Long.toString(rc.getRetryDelay()), Integer.toString(rc.getAttempts()), + Integer.toString(rc.getRetryLimit())); + logger.error(msg, e); + rc.delay(); + } + + } + if (rc.isFailed()) { + msg = EELFResourceManager.format(Msg.CONNECTION_FAILED, provider.getName(), stackService.getURL()); + logger.error(msg); + doFailure(rc, HttpStatus.BAD_GATEWAY_502, msg); + throw new RequestFailedException("Lookup Stack", msg, HttpStatus.BAD_GATEWAY_502, stack); + } + + if (stack == null) { + throw new ResourceNotFoundException("Stack not found with Id : {" + id + "}"); + } + return stack; + } + + @SuppressWarnings("nls") + @Override + public Server lookupServer(Map<String, String> params, SvcLogicContext ctx) throws APPCException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); //should we test the return and fail if false? + MDC.put(MDC_ADAPTER, ADAPTER_NAME); + MDC.put(MDC_SERVICE, LOOKUP_SERVICE); + MDC.put(MDC_SERVICE_NAME, "App-C IaaS Adapter:LookupServer"); + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + //for debugging merge into single method? + debugParameters(params); + debugContext(ctx); + + String vm_url = null; + VMURL vm = null; + try { + + //process vm_url + validateParametersExist(rc, params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + vm_url = params.get(ProviderAdapter.PROPERTY_INSTANCE_URL); + vm = VMURL.parseURL(vm_url); + if (validateVM(rc, appName, vm_url, vm)) return null; + + + //use try with resource to ensure context is closed (returned to pool) + try(Context context = resolveContext(rc, params, appName, vm_url)){ + //resloveContext & getContext call doFailure and log errors before returning null + if (context != null){ + server = lookupServer(rc, context, vm.getServerId()); + logger.debug(Msg.SERVER_FOUND, vm_url, context.getTenantName(), server.getStatus().toString()); + ctx.setAttribute("serverFound", "success"); + doSuccess(rc); + } + } catch (ZoneException e) { + //server not found + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + ctx.setAttribute("serverFound", "failure"); + } catch (IOException e) { + //exception closing context + String msg = EELFResourceManager.format(Msg.CLOSE_CONTEXT_FAILED, e, vm_url); + logger.error(msg); + } catch (Throwable t) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, t, t.getClass().getSimpleName(), + LOOKUP_SERVICE, vm_url, "Unknown" ); + logger.error(msg, t); + doFailure(rc, HttpStatus.INTERNAL_SERVER_ERROR_500, msg); + } + + } catch (RequestFailedException e) { + // parameters not valid, unable to connect to provider + String msg = EELFResourceManager.format(Msg.SERVER_NOT_FOUND, e, vm_url); + logger.error(msg); + doFailure(rc, HttpStatus.NOT_FOUND_404, msg); + ctx.setAttribute("serverFound", "failure"); + } + return server; + } +} |