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-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterGroup.java55
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterHandler.java77
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantParameters.java59
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantStateChangeParameters.java53
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantUpdateParameters.java54
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/ControlLoopAafFilter.java38
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/RestController.java115
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeActivator.java186
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeCommandLineArguments.java151
-rw-r--r--runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/Main.java156
10 files changed, 944 insertions, 0 deletions
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterGroup.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterGroup.java
new file mode 100644
index 000000000..4c99b8e57
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterGroup.java
@@ -0,0 +1,55 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.parameters;
+
+import java.util.List;
+import javax.validation.constraints.NotBlank;
+import lombok.Getter;
+import org.onap.policy.common.endpoints.event.comm.bus.internal.BusTopicParams;
+import org.onap.policy.common.endpoints.parameters.RestServerParameters;
+import org.onap.policy.common.endpoints.parameters.TopicParameterGroup;
+import org.onap.policy.common.parameters.ParameterGroupImpl;
+import org.onap.policy.common.parameters.annotations.NotNull;
+import org.onap.policy.models.provider.PolicyModelsProviderParameters;
+
+/**
+ * Class to hold all parameters needed for the Control Loop runtime component.
+ *
+ */
+@NotNull
+@NotBlank
+@Getter
+public class ClRuntimeParameterGroup extends ParameterGroupImpl {
+ private RestServerParameters restServerParameters;
+ private PolicyModelsProviderParameters databaseProviderParameters;
+ private ParticipantParameters participantParameters;
+ private TopicParameterGroup topicParameterGroup;
+ private List<BusTopicParams> healthCheckRestClientParameters;
+
+ /**
+ * Create the Control Loop parameter group.
+ *
+ * @param name the parameter group name
+ */
+ public ClRuntimeParameterGroup(final String name) {
+ super(name);
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterHandler.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterHandler.java
new file mode 100644
index 000000000..a463ad171
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ClRuntimeParameterHandler.java
@@ -0,0 +1,77 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.parameters;
+
+import java.io.File;
+import javax.ws.rs.core.Response;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.runtime.main.startstop.ClRuntimeCommandLineArguments;
+import org.onap.policy.common.parameters.ValidationResult;
+import org.onap.policy.common.utils.coder.Coder;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardCoder;
+
+/**
+ * This class handles reading, parsing and validating of control loop runtime parameters from JSON files.
+ */
+public class ClRuntimeParameterHandler {
+
+ private static final Coder CODER = new StandardCoder();
+
+ /**
+ * Read the parameters from the parameter file.
+ *
+ * @param arguments the arguments passed to control loop runtime
+ * @return the parameters read from the configuration file
+ * @throws ControlLoopException on parameter exceptions
+ */
+ public ClRuntimeParameterGroup getParameters(final ClRuntimeCommandLineArguments arguments)
+ throws ControlLoopException {
+ ClRuntimeParameterGroup clRuntimeParameterGroup = null;
+
+ // Read the parameters
+ try {
+ // Read the parameters from JSON
+ File file = new File(arguments.getFullConfigurationFilePath());
+ clRuntimeParameterGroup = CODER.decode(file, ClRuntimeParameterGroup.class);
+ } catch (final CoderException e) {
+ throw new ControlLoopException(
+ Response.Status.NOT_ACCEPTABLE, "error reading parameters from \""
+ + arguments.getConfigurationFilePath() + "\"\n" + "(" + e.getClass().getSimpleName() + ")",
+ e);
+ }
+
+ // The JSON processing returns null if there is an empty file
+ if (clRuntimeParameterGroup == null) {
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
+ "no parameters found in \"" + arguments.getConfigurationFilePath() + "\"");
+ }
+
+ // validate the parameters
+ final ValidationResult validationResult = clRuntimeParameterGroup.validate();
+ if (!validationResult.isValid()) {
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE, "validation error(s) on parameters from \""
+ + arguments.getConfigurationFilePath() + "\"\n" + validationResult.getResult());
+ }
+
+ return clRuntimeParameterGroup;
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantParameters.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantParameters.java
new file mode 100644
index 000000000..dfc1b2806
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantParameters.java
@@ -0,0 +1,59 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.onap.policy.clamp.controlloop.runtime.main.parameters;
+
+import java.util.concurrent.TimeUnit;
+import lombok.Getter;
+import org.onap.policy.common.parameters.ParameterGroupImpl;
+import org.onap.policy.common.parameters.annotations.Min;
+import org.onap.policy.common.parameters.annotations.NotBlank;
+import org.onap.policy.common.parameters.annotations.NotNull;
+
+/**
+ * Parameters for communicating with participants.
+ */
+@NotNull
+@NotBlank
+@Getter
+public class ParticipantParameters extends ParameterGroupImpl {
+
+ /**
+ * Default maximum message age, in milliseconds, that should be examined. Any message
+ * older than this is discarded.
+ */
+ public static final long DEFAULT_MAX_AGE_MS = TimeUnit.MILLISECONDS.convert(10, TimeUnit.MINUTES);
+
+
+ @Min(1)
+ private long heartBeatMs;
+
+ @Min(1)
+ private long maxMessageAgeMs = DEFAULT_MAX_AGE_MS;
+
+ private ParticipantUpdateParameters updateParameters;
+ private ParticipantStateChangeParameters stateChangeParameters;
+
+
+ /**
+ * Constructs the object.
+ */
+ public ParticipantParameters() {
+ super(ParticipantParameters.class.getSimpleName());
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantStateChangeParameters.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantStateChangeParameters.java
new file mode 100644
index 000000000..2eea4ab51
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantStateChangeParameters.java
@@ -0,0 +1,53 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.onap.policy.clamp.controlloop.runtime.main.parameters;
+
+import lombok.Getter;
+import org.onap.policy.common.parameters.ParameterGroupImpl;
+import org.onap.policy.common.parameters.annotations.Min;
+import org.onap.policy.common.parameters.annotations.NotBlank;
+import org.onap.policy.common.parameters.annotations.NotNull;
+
+/**
+ * Parameters for Participant STATE-CHANGE requests.
+ */
+@NotNull
+@NotBlank
+@Getter
+public class ParticipantStateChangeParameters extends ParameterGroupImpl {
+
+ /**
+ * Maximum number of times to re-send a request to a PDP.
+ */
+ @Min(value = 0)
+ private int maxRetryCount;
+
+ /**
+ * Maximum time to wait, in milliseconds, for a PDP response.
+ */
+ @Min(value = 0)
+ private long maxWaitMs;
+
+ /**
+ * Constructs the object.
+ */
+ public ParticipantStateChangeParameters() {
+ super(ParticipantStateChangeParameters.class.getSimpleName());
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantUpdateParameters.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantUpdateParameters.java
new file mode 100644
index 000000000..2af5be534
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/parameters/ParticipantUpdateParameters.java
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.onap.policy.clamp.controlloop.runtime.main.parameters;
+
+import lombok.Getter;
+import org.onap.policy.common.parameters.ParameterGroupImpl;
+import org.onap.policy.common.parameters.annotations.Min;
+import org.onap.policy.common.parameters.annotations.NotBlank;
+import org.onap.policy.common.parameters.annotations.NotNull;
+
+/**
+ * Parameters for Participant UPDATE requests.
+ */
+@NotNull
+@NotBlank
+@Getter
+public class ParticipantUpdateParameters extends ParameterGroupImpl {
+
+ /**
+ * Maximum number of times to re-send a request to a PDP.
+ */
+ @Min(value = 0)
+ private int maxRetryCount;
+
+ /**
+ * Maximum time to wait, in milliseconds, for a PDP response.
+ */
+ @Min(value = 0)
+ private long maxWaitMs;
+
+ /**
+ * Constructs the object.
+ */
+ public ParticipantUpdateParameters() {
+ super(ParticipantUpdateParameters.class.getSimpleName());
+ }
+}
+
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/ControlLoopAafFilter.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/ControlLoopAafFilter.java
new file mode 100644
index 000000000..f166de5d6
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/ControlLoopAafFilter.java
@@ -0,0 +1,38 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.rest;
+
+import org.onap.policy.common.endpoints.http.server.aaf.AafGranularAuthFilter;
+import org.onap.policy.common.utils.resources.MessageConstants;
+
+/**
+ * Class to manage AAF filters for the control loop runtime component.
+ */
+public class ControlLoopAafFilter extends AafGranularAuthFilter {
+
+ public static final String AAF_NODETYPE = MessageConstants.POLICY_CLAMP;
+ public static final String AAF_ROOT_PERMISSION = DEFAULT_NAMESPACE + "." + AAF_NODETYPE;
+
+ @Override
+ public String getPermissionTypeRoot() {
+ return AAF_ROOT_PERMISSION;
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/RestController.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/RestController.java
new file mode 100644
index 000000000..dd3fa30fc
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/rest/RestController.java
@@ -0,0 +1,115 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.rest;
+
+import io.swagger.annotations.Api;
+import io.swagger.annotations.BasicAuthDefinition;
+import io.swagger.annotations.Info;
+import io.swagger.annotations.SecurityDefinition;
+import io.swagger.annotations.SwaggerDefinition;
+import io.swagger.annotations.Tag;
+import java.net.HttpURLConnection;
+import java.util.UUID;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response.ResponseBuilder;
+
+/**
+ * Common superclass to provide REST endpoints for the control loop service.
+ */
+// @formatter:off
+@Path("/onap/controlloop/v2")
+@Api(value = "Control Loop API")
+@Produces({MediaType.APPLICATION_JSON, RestController.APPLICATION_YAML})
+@SwaggerDefinition(
+ info = @Info(description =
+ "Control Loop Service", version = "v1.0",
+ title = "Control Loop"),
+ consumes = {MediaType.APPLICATION_JSON, RestController.APPLICATION_YAML},
+ produces = {MediaType.APPLICATION_JSON, RestController.APPLICATION_YAML},
+ schemes = {SwaggerDefinition.Scheme.HTTP, SwaggerDefinition.Scheme.HTTPS},
+ tags = {@Tag(name = "controlloop", description = "Control Loop Service")},
+ securityDefinition = @SecurityDefinition(basicAuthDefinitions = {@BasicAuthDefinition(key = "basicAuth")}))
+// @formatter:on
+public class RestController {
+ public static final String APPLICATION_YAML = "application/yaml";
+
+ public static final String EXTENSION_NAME = "interface info";
+
+ public static final String API_VERSION_NAME = "api-version";
+ public static final String API_VERSION = "1.0.0";
+
+ public static final String LAST_MOD_NAME = "last-mod-release";
+ public static final String LAST_MOD_RELEASE = "Dublin";
+
+ public static final String VERSION_MINOR_NAME = "X-MinorVersion";
+ public static final String VERSION_MINOR_DESCRIPTION =
+ "Used to request or communicate a MINOR version back from the client"
+ + " to the server, and from the server back to the client";
+
+ public static final String VERSION_PATCH_NAME = "X-PatchVersion";
+ public static final String VERSION_PATCH_DESCRIPTION = "Used only to communicate a PATCH version in a response for"
+ + " troubleshooting purposes only, and will not be provided by" + " the client on request";
+
+ public static final String VERSION_LATEST_NAME = "X-LatestVersion";
+ public static final String VERSION_LATEST_DESCRIPTION = "Used only to communicate an API's latest version";
+
+ public static final String REQUEST_ID_NAME = "X-ONAP-RequestID";
+ public static final String REQUEST_ID_HDR_DESCRIPTION = "Used to track REST transactions for logging purpose";
+ public static final String REQUEST_ID_PARAM_DESCRIPTION = "RequestID for http transaction";
+
+ public static final String AUTHORIZATION_TYPE = "basicAuth";
+
+ public static final int AUTHENTICATION_ERROR_CODE = HttpURLConnection.HTTP_UNAUTHORIZED;
+ public static final int AUTHORIZATION_ERROR_CODE = HttpURLConnection.HTTP_FORBIDDEN;
+ public static final int SERVER_ERROR_CODE = HttpURLConnection.HTTP_INTERNAL_ERROR;
+
+ public static final String AUTHENTICATION_ERROR_MESSAGE = "Authentication Error";
+ public static final String AUTHORIZATION_ERROR_MESSAGE = "Authorization Error";
+ public static final String SERVER_ERROR_MESSAGE = "Internal Server Error";
+
+ /**
+ * Adds version headers to the response.
+ *
+ * @param respBuilder response builder
+ * @return the response builder, with version headers
+ */
+ public ResponseBuilder addVersionControlHeaders(ResponseBuilder respBuilder) {
+ return respBuilder.header(VERSION_MINOR_NAME, "0").header(VERSION_PATCH_NAME, "0").header(VERSION_LATEST_NAME,
+ API_VERSION);
+ }
+
+ /**
+ * Adds logging headers to the response.
+ *
+ * @param respBuilder response builder
+ * @return the response builder, with version logging
+ */
+ public ResponseBuilder addLoggingHeaders(ResponseBuilder respBuilder, UUID requestId) {
+ if (requestId == null) {
+ // Generate a random uuid if client does not embed requestId in rest request
+ return respBuilder.header(REQUEST_ID_NAME, UUID.randomUUID());
+ }
+
+ return respBuilder.header(REQUEST_ID_NAME, requestId);
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeActivator.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeActivator.java
new file mode 100644
index 000000000..a4238a9c4
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeActivator.java
@@ -0,0 +1,186 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.startstop;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.atomic.AtomicReference;
+import javax.ws.rs.core.Response.Status;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
+import org.onap.policy.clamp.controlloop.common.handler.ControlLoopHandler;
+import org.onap.policy.clamp.controlloop.runtime.commissioning.CommissioningHandler;
+import org.onap.policy.clamp.controlloop.runtime.instantiation.InstantiationHandler;
+import org.onap.policy.clamp.controlloop.runtime.main.parameters.ClRuntimeParameterGroup;
+import org.onap.policy.clamp.controlloop.runtime.main.rest.ControlLoopAafFilter;
+import org.onap.policy.clamp.controlloop.runtime.monitoring.MonitoringHandler;
+import org.onap.policy.clamp.controlloop.runtime.supervision.SupervisionHandler;
+import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
+import org.onap.policy.common.endpoints.event.comm.TopicSink;
+import org.onap.policy.common.endpoints.event.comm.TopicSource;
+import org.onap.policy.common.endpoints.http.server.RestServer;
+import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher;
+import org.onap.policy.common.parameters.ParameterService;
+import org.onap.policy.common.utils.services.ServiceManagerContainer;
+
+/**
+ * This class activates the control loop runtime component as a complete service together with all its controllers,
+ * listeners & handlers.
+ */
+public class ClRuntimeActivator extends ServiceManagerContainer {
+ // Name of the message type for messages on topics
+ private static final String[] MSG_TYPE_NAMES = {"messageType"};
+
+ private final ClRuntimeParameterGroup clRuntimeParameterGroup;
+
+ // Topics from which the application receives and to which the application sends messages
+ private List<TopicSink> topicSinks;
+ private List<TopicSource> topicSources;
+
+ /**
+ * Listens for messages on the topic, decodes them into a message, and then dispatches them.
+ */
+ private final MessageTypeDispatcher msgDispatcher;
+
+ /**
+ * Instantiate the activator for the control loop runtime as a complete service.
+ *
+ * @param clRuntimeParameterGroup the parameters for the control loop runtime service
+ */
+ public ClRuntimeActivator(final ClRuntimeParameterGroup clRuntimeParameterGroup) {
+
+ if (clRuntimeParameterGroup == null || !clRuntimeParameterGroup.isValid()) {
+ throw new ControlLoopRuntimeException(Status.INTERNAL_SERVER_ERROR, "ParameterGroup not valid");
+ }
+
+ this.clRuntimeParameterGroup = clRuntimeParameterGroup;
+
+ topicSinks = TopicEndpointManager.getManager()
+ .addTopicSinks(clRuntimeParameterGroup.getTopicParameterGroup().getTopicSinks());
+
+ topicSources = TopicEndpointManager.getManager()
+ .addTopicSources(clRuntimeParameterGroup.getTopicParameterGroup().getTopicSources());
+
+ try {
+ msgDispatcher = new MessageTypeDispatcher(MSG_TYPE_NAMES);
+ } catch (final RuntimeException e) {
+ throw new ControlLoopRuntimeException(Status.INTERNAL_SERVER_ERROR,
+ "topic message dispatcher failed to start", e);
+ }
+
+ final AtomicReference<ControlLoopHandler> commissioningHandler = new AtomicReference<>();
+ final AtomicReference<ControlLoopHandler> instantiationHandler = new AtomicReference<>();
+ final AtomicReference<ControlLoopHandler> supervisionHandler = new AtomicReference<>();
+ final AtomicReference<ControlLoopHandler> monitoringHandler = new AtomicReference<>();
+ final AtomicReference<RestServer> restServer = new AtomicReference<>();
+
+ // @formatter:off
+ addAction("Control loop runtime parameters",
+ () -> ParameterService.register(clRuntimeParameterGroup),
+ () -> ParameterService.deregister(clRuntimeParameterGroup.getName()));
+
+ addAction("Topic endpoint management",
+ () -> TopicEndpointManager.getManager().start(),
+ () -> TopicEndpointManager.getManager().shutdown());
+
+ addAction("Commissioning Handler",
+ () -> commissioningHandler.set(new CommissioningHandler(clRuntimeParameterGroup)),
+ () -> commissioningHandler.get().close());
+
+ addAction("Instantiation Handler",
+ () -> instantiationHandler.set(new InstantiationHandler(clRuntimeParameterGroup)),
+ () -> instantiationHandler.get().close());
+
+ addAction("Supervision Handler",
+ () -> supervisionHandler.set(new SupervisionHandler(clRuntimeParameterGroup)),
+ () -> supervisionHandler.get().close());
+
+ addAction("Monitoring Handler",
+ () -> monitoringHandler.set(new MonitoringHandler(clRuntimeParameterGroup)),
+ () -> monitoringHandler.get().close());
+
+ addHandlerActions("Commissioning", commissioningHandler);
+ addHandlerActions("Instantiation", instantiationHandler);
+ addHandlerActions("Supervision", supervisionHandler);
+ addHandlerActions("Monitoring", monitoringHandler);
+
+ addAction("Topic Message Dispatcher", this::registerMsgDispatcher, this::unregisterMsgDispatcher);
+
+ clRuntimeParameterGroup.getRestServerParameters().setName(clRuntimeParameterGroup.getName());
+
+ addAction("REST server",
+ () -> {
+ Set<Class<?>> providerClasses = new HashSet<>();
+ providerClasses.addAll(commissioningHandler.get().getProviderClasses());
+ providerClasses.addAll(instantiationHandler.get().getProviderClasses());
+ providerClasses.addAll(supervisionHandler.get().getProviderClasses());
+ providerClasses.addAll(monitoringHandler.get().getProviderClasses());
+
+ RestServer server = new RestServer(clRuntimeParameterGroup.getRestServerParameters(),
+ ControlLoopAafFilter.class,
+ providerClasses.toArray(new Class<?>[providerClasses.size()]));
+
+ restServer.set(server);
+ restServer.get().start();
+ },
+ () -> restServer.get().stop());
+ // @formatter:on
+ }
+
+ private void addHandlerActions(final String name, final AtomicReference<ControlLoopHandler> handler) {
+ addAction(name + " Providers",
+ () -> handler.get().startProviders(),
+ () -> handler.get().stopProviders());
+ addAction(name + " Listeners",
+ () -> handler.get().startAndRegisterListeners(msgDispatcher),
+ () -> handler.get().stopAndUnregisterListeners(msgDispatcher));
+ addAction(name + " Publishers",
+ () -> handler.get().startAndRegisterPublishers(topicSinks),
+ () -> handler.get().stopAndUnregisterPublishers());
+ }
+
+ /**
+ * Registers the dispatcher with the topic source(s).
+ */
+ private void registerMsgDispatcher() {
+ for (final TopicSource source : topicSources) {
+ source.register(msgDispatcher);
+ }
+ }
+
+ /**
+ * Unregisters the dispatcher from the topic source(s).
+ */
+ private void unregisterMsgDispatcher() {
+ for (final TopicSource source : topicSources) {
+ source.unregister(msgDispatcher);
+ }
+ }
+
+ /**
+ * Get the parameters used by the activator.
+ *
+ * @return the parameters of the activator
+ */
+ public ClRuntimeParameterGroup getParameterGroup() {
+ return clRuntimeParameterGroup;
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeCommandLineArguments.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeCommandLineArguments.java
new file mode 100644
index 000000000..f36bb858b
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/ClRuntimeCommandLineArguments.java
@@ -0,0 +1,151 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.startstop;
+
+import java.io.File;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.net.URL;
+import java.util.Arrays;
+import javax.ws.rs.core.Response;
+import lombok.Getter;
+import lombok.Setter;
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.DefaultParser;
+import org.apache.commons.cli.HelpFormatter;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+import org.apache.commons.lang3.StringUtils;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
+import org.onap.policy.clamp.controlloop.common.startstop.CommonCommandLineArguments;
+import org.onap.policy.common.utils.resources.ResourceUtils;
+
+/**
+ * This class reads and handles command line parameters for the control loop runtime service.
+ */
+public class ClRuntimeCommandLineArguments {
+ private static final String FILE_MESSAGE_PREAMBLE = " file \"";
+ private static final int HELP_LINE_LENGTH = 120;
+
+ private final Options options;
+ private final CommonCommandLineArguments commonCommandLineArguments;
+
+ @Getter()
+ @Setter()
+ private String configurationFilePath = null;
+
+ /**
+ * Construct the options for the control loop runtime component.
+ */
+ public ClRuntimeCommandLineArguments() {
+ options = new Options();
+ commonCommandLineArguments = new CommonCommandLineArguments(options);
+ }
+
+ /**
+ * Construct the options for the CLI editor and parse in the given arguments.
+ *
+ * @param args The command line arguments
+ */
+ public ClRuntimeCommandLineArguments(final String[] args) {
+ // Set up the options with the default constructor
+ this();
+
+ // Parse the arguments
+ try {
+ parse(args);
+ } catch (final ControlLoopException e) {
+ throw new ControlLoopRuntimeException(Response.Status.NOT_ACCEPTABLE,
+ "parse error on control loop runtime parameters", e);
+ }
+ }
+
+ /**
+ * Parse the command line options.
+ *
+ * @param args The command line arguments
+ * @return a string with a message for help and version, or null if there is no message
+ * @throws ControlLoopException on command argument errors
+ */
+ public String parse(final String[] args) throws ControlLoopException {
+ // Clear all our arguments
+ setConfigurationFilePath(null);
+ CommandLine commandLine = null;
+ try {
+ commandLine = new DefaultParser().parse(options, args);
+ } catch (final ParseException e) {
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
+ "invalid command line arguments specified : " + e.getMessage());
+ }
+
+ // Arguments left over after Commons CLI does its stuff
+ final String[] remainingArgs = commandLine.getArgs();
+
+ if (remainingArgs.length > 0) {
+ throw new ControlLoopException(Response.Status.NOT_ACCEPTABLE,
+ "too many command line arguments specified : " + Arrays.toString(args));
+ }
+
+ if (commandLine.hasOption('h')) {
+ return commonCommandLineArguments.help(Main.class.getName(), options);
+ }
+
+ if (commandLine.hasOption('v')) {
+ return commonCommandLineArguments.version();
+ }
+
+ if (commandLine.hasOption('c')) {
+ setConfigurationFilePath(commandLine.getOptionValue('c'));
+ }
+
+ return null;
+ }
+
+ /**
+ * Validate the command line options.
+ *
+ * @throws ControlLoopException on command argument validation errors
+ */
+ public void validate() throws ControlLoopException {
+ commonCommandLineArguments.validate(configurationFilePath);
+ }
+
+ /**
+ * Gets the full expanded configuration file path.
+ *
+ * @return the configuration file path
+ */
+ public String getFullConfigurationFilePath() {
+ return ResourceUtils.getFilePath4Resource(getConfigurationFilePath());
+ }
+
+ /**
+ * Sets the configuration file path.
+ *
+ * @param configurationFilePath the configuration file path
+ */
+ public void setConfigurationFilePath(final String configurationFilePath) {
+ this.configurationFilePath = configurationFilePath;
+
+ }
+}
diff --git a/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/Main.java b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/Main.java
new file mode 100644
index 000000000..8e60d68cf
--- /dev/null
+++ b/runtime-controlloop/src/main/java/org/onap/policy/clamp/controlloop/runtime/main/startstop/Main.java
@@ -0,0 +1,156 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * Copyright (C) 2021 Nordix Foundation.
+ * ================================================================================
+ * 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.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.clamp.controlloop.runtime.main.startstop;
+
+import java.util.Arrays;
+import javax.ws.rs.core.Response;
+import org.onap.policy.clamp.controlloop.common.ControlLoopConstants;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopException;
+import org.onap.policy.clamp.controlloop.common.exception.ControlLoopRuntimeException;
+import org.onap.policy.clamp.controlloop.runtime.main.parameters.ClRuntimeParameterGroup;
+import org.onap.policy.clamp.controlloop.runtime.main.parameters.ClRuntimeParameterHandler;
+import org.onap.policy.common.utils.resources.MessageConstants;
+import org.onap.policy.common.utils.services.Registry;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * This class initiates ONAP Policy Framework Control Loop runtime component.
+ */
+public class Main {
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(Main.class);
+
+ private ClRuntimeActivator activator;
+ private ClRuntimeParameterGroup parameterGroup;
+
+ /**
+ * Instantiates the control loop runtime service.
+ *
+ * @param args the command line arguments
+ */
+ public Main(final String[] args) {
+ final String argumentString = Arrays.toString(args);
+ LOGGER.info("Starting the control loop runtime service with arguments - {}", argumentString);
+
+ // Check the arguments
+ final ClRuntimeCommandLineArguments arguments = new ClRuntimeCommandLineArguments();
+ try {
+ // The arguments return a string if there is a message to print and we should exit
+ final String argumentMessage = arguments.parse(args);
+ if (argumentMessage != null) {
+ LOGGER.info(argumentMessage);
+ return;
+ }
+ // Validate that the arguments are sane
+ arguments.validate();
+
+ // Read the parameters
+ parameterGroup = new ClRuntimeParameterHandler().getParameters(arguments);
+
+ // Now, create the activator for the service
+ activator = new ClRuntimeActivator(parameterGroup);
+ Registry.register(ControlLoopConstants.REG_CLRUNTIME_ACTIVATOR, activator);
+
+ // Start the activator
+ activator.start();
+ } catch (Exception exp) {
+ if (null != activator) {
+ Registry.unregister(ControlLoopConstants.REG_CLRUNTIME_ACTIVATOR);
+ }
+ throw new ControlLoopRuntimeException(Response.Status.BAD_REQUEST,
+ String.format(MessageConstants.START_FAILURE_MSG, MessageConstants.POLICY_CLAMP), exp);
+ }
+
+ // Add a shutdown hook to shut everything down in an orderly manner
+ Runtime.getRuntime().addShutdownHook(new ClRuntimeShutdownHookClass());
+ String successMsg = String.format(MessageConstants.START_SUCCESS_MSG, MessageConstants.POLICY_CLAMP);
+ LOGGER.info(successMsg);
+ }
+
+ /**
+ * Check if main is running.
+ */
+ public boolean isRunning() {
+ return activator != null && activator.isAlive();
+ }
+
+ /**
+ * Get the parameters specified in JSON.
+ *
+ * @return the parameters
+ */
+ public ClRuntimeParameterGroup getParameters() {
+ return parameterGroup;
+ }
+
+ /**
+ * Shut down Execution.
+ *
+ * @throws ControlLoopException on shutdown errors
+ */
+ public void shutdown() throws ControlLoopException {
+ // clear the parameterGroup variable
+ parameterGroup = null;
+
+ // clear the cl runtime activator
+ if (activator != null) {
+ activator.stop();
+ }
+ }
+
+ /**
+ * The Class ClRuntimeShutdownHookClass terminates the control loop runtime service when its run method is called.
+ */
+ private class ClRuntimeShutdownHookClass extends Thread {
+ /*
+ * (non-Javadoc)
+ *
+ * @see java.lang.Runnable#run()
+ */
+ @Override
+ public void run() {
+ if (!activator.isAlive()) {
+ return;
+ }
+
+ try {
+ // Shutdown the control loop runtime service and wait for everything to stop
+ activator.stop();
+ } catch (final RuntimeException e) {
+ LOGGER.warn("error occured during shut down of the control loop runtime service", e);
+ }
+ }
+ }
+
+ /**
+ * The main method.
+ *
+ * @param args the arguments
+ */
+ public static void main(final String[] args) { // NOSONAR
+ /*
+ * NOTE: arguments are validated by the constructor, thus sonar is disabled.
+ */
+
+ new Main(args);
+ }
+}