diff options
Diffstat (limited to 'appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/provider/operation/impl/TerminateServer.java')
-rw-r--r-- | appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/provider/operation/impl/TerminateServer.java | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/provider/operation/impl/TerminateServer.java b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/provider/operation/impl/TerminateServer.java new file mode 100644 index 000000000..73385ee35 --- /dev/null +++ b/appc-adapters/appc-iaas-adapter/appc-iaas-adapter-bundle/src/main/java/org/onap/appc/adapter/iaas/provider/operation/impl/TerminateServer.java @@ -0,0 +1,245 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP : APPC + * ================================================================================ + * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. + * ================================================================================ + * Copyright (C) 2017 Amdocs + * ============================================================================= + * 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. + * + * ECOMP is a trademark and service mark of AT&T Intellectual Property. + * ============LICENSE_END========================================================= + */ + +package org.onap.appc.adapter.iaas.provider.operation.impl; + +import com.att.cdp.exceptions.ContextConnectionException; +import com.att.cdp.exceptions.ResourceNotFoundException; +import com.att.cdp.exceptions.ZoneException; +import com.att.cdp.zones.ComputeService; +import com.att.cdp.zones.Context; +import com.att.cdp.zones.Provider; +import com.att.cdp.zones.model.ModelObject; +import com.att.cdp.zones.model.Server; +import com.att.eelf.configuration.EELFLogger; +import com.att.eelf.configuration.EELFManager; +import com.att.eelf.i18n.EELFResourceManager; +import org.glassfish.grizzly.http.util.HttpStatus; +import org.onap.appc.Constants; +import org.onap.appc.adapter.iaas.ProviderAdapter; +import org.onap.appc.adapter.iaas.impl.IdentityURL; +import org.onap.appc.adapter.iaas.impl.RequestContext; +import org.onap.appc.adapter.iaas.impl.RequestFailedException; +import org.onap.appc.adapter.iaas.impl.VMURL; +import org.onap.appc.adapter.iaas.provider.operation.common.enums.Outcome; +import org.onap.appc.adapter.iaas.provider.operation.impl.base.ProviderServerOperation; +import org.onap.appc.exceptions.UnknownProviderException; +import org.onap.appc.i18n.Msg; +import org.onap.ccsdk.sli.core.sli.SvcLogicContext; +import java.util.Map; +import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.RESTART_SERVICE; +import static org.onap.appc.adapter.iaas.provider.operation.common.enums.Operation.TERMINATE_SERVICE; +import static org.onap.appc.adapter.utils.Constants.ADAPTER_NAME; + +public class TerminateServer extends ProviderServerOperation { + + private static final EELFLogger logger = EELFManager.getInstance().getLogger(EvacuateServer.class); + + /** + * 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 when error occurs + * @throws RequestFailedException when request failed + */ + @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(); + } + + /** + * 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 when error occurs + */ + @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(Server.Status.PENDING)) { + waitForStateChange(rc, server, Server.Status.READY, Server.Status.RUNNING, Server.Status.ERROR, + Server.Status.SUSPENDED, Server.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.toString()); + break; + + case ERROR: + + case READY: + + case PAUSED: + + case SUSPENDED: + // Attempt to delete the suspended server + deleteServer(rc, server); + generateEvent(rc, true, Outcome.SUCCESS.toString()); + 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; + } + + } + + /** + * 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.onap.appc.adapter.iaas.ProviderAdapter#terminateServer(java.util.Map, + * org.openecomp.sdnc.sli.SvcLogicContext) + */ + @SuppressWarnings("nls") + public Server terminateServer(Map<String, String> params, SvcLogicContext ctx) + throws UnknownProviderException, IllegalArgumentException { + Server server = null; + RequestContext rc = new RequestContext(ctx); + rc.isAlive(); + + String appName = configuration.getProperty(Constants.PROPERTY_APPLICATION_NAME); + + try { + validateParametersExist(params, ProviderAdapter.PROPERTY_INSTANCE_URL, + ProviderAdapter.PROPERTY_PROVIDER_NAME); + + 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 (Exception e1) { + String msg = EELFResourceManager.format(Msg.SERVER_OPERATION_EXCEPTION, e1, + e1.getClass().getSimpleName(), RESTART_SERVICE.toString(), vm_url, + context == null ? "Unknown" : context.getTenantName()); + logger.error(msg, e1); + 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; + } + + @Override + protected ModelObject executeProviderOperation(Map<String, String> params, SvcLogicContext context) + throws UnknownProviderException { + setMDC(TERMINATE_SERVICE.toString(), "App-C IaaS Adapter:Terminate", ADAPTER_NAME); + logOperation(Msg.TERMINATING_SERVER, params, context); + return terminateServer(params, context); + } +} |