diff options
Diffstat (limited to 'sdnr/northbound/energysavings/provider/src/main')
3 files changed, 310 insertions, 0 deletions
diff --git a/sdnr/northbound/energysavings/provider/src/main/java/org/onap/ccsdk/features/sdnr/northbound/impl/EnergysavingsProvider.java b/sdnr/northbound/energysavings/provider/src/main/java/org/onap/ccsdk/features/sdnr/northbound/impl/EnergysavingsProvider.java new file mode 100644 index 000000000..d39ce9baa --- /dev/null +++ b/sdnr/northbound/energysavings/provider/src/main/java/org/onap/ccsdk/features/sdnr/northbound/impl/EnergysavingsProvider.java @@ -0,0 +1,273 @@ +/*- + * ============LICENSE_START======================================================= + * ONAP : CCSDK + * ================================================================================ + * 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.onap.ccsdk.features.sdnr.northbound.impl; + +import java.io.FileInputStream; +import java.io.FileNotFoundException; +import java.io.IOException; +import java.util.Collections; +import java.util.HashMap; +import java.util.Properties; +import java.util.concurrent.Future; +import javax.ws.rs.HttpMethod; +import javax.ws.rs.core.MediaType; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.energysavings.rev150105.EnergysavingsService; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.energysavings.rev150105.PayloadInput; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.energysavings.rev150105.PayloadInputBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.energysavings.rev150105.PayloadOutput; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.energysavings.rev150105.PayloadOutputBuilder; +import org.opendaylight.yangtools.yang.common.RpcResult; +import org.opendaylight.yangtools.yang.common.RpcResultBuilder; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.opendaylight.controller.sal.binding.api.RpcProviderRegistry; +import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.RpcRegistration; +import com.google.common.base.Preconditions; +import com.google.common.util.concurrent.Futures; +import com.sun.jersey.api.client.Client; +import com.sun.jersey.api.client.ClientResponse; +import com.sun.jersey.api.client.WebResource; +import com.sun.jersey.api.client.config.ClientConfig; +import com.sun.jersey.api.client.config.DefaultClientConfig; +import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter; + +public class EnergysavingsProvider implements EnergysavingsService { + + private static final Logger LOG = LoggerFactory.getLogger(EnergysavingsProvider.class); + + private final String appName = "EnergySavings"; + + private final DataBroker dataBroker; + private final RpcProviderRegistry rpcProviderRegistry; + private RpcRegistration<EnergysavingsService> serviceRegistration; + + // Locations and names of the configuration files + private static final String SDNC_CONFIG_DIR = "SDNC_CONFIG_DIR"; + private static final String PROPERTIES_FILE_NAME = "sdnr-energy-savings.properties"; + private static final String PARSING_ERROR = + "Could not create the request message to send to the server; no message will be sent"; + + /* + * Use a flag veryFirstTime to ensure that some tasks are done only once. The value is set here and + * during initialization. + */ + private Boolean veryFirstTime = true; + + // Parameters for the REST calls + + // to publish SDNR_TO_POLICY DMaaP topic + private WebResource dmaapSdnrToPolicyWebResource = null; + + // to the Energy Savings server + private WebResource energySavingsWebResource = null; + + public EnergysavingsProvider(final DataBroker dataBroker, RpcProviderRegistry rpcProviderRegistry) { + this.dataBroker = dataBroker; + this.rpcProviderRegistry = rpcProviderRegistry; + } + + /** + * Method called when the blueprint container is created. + */ + public void init() { + serviceRegistration = rpcProviderRegistry.addRpcImplementation(EnergysavingsService.class, this); + + LOG.debug("Initializing provider for " + appName); + + Preconditions.checkNotNull(dataBroker, "dataBroker must be set"); + + // Set the initialization flag so some tasks will be done only once + veryFirstTime = true; + + // Read parameters from the properties file in SDNC_CONFIG_DIR + String propDir = System.getenv(SDNC_CONFIG_DIR); + if (propDir == null) { + LOG.error("Environment variable SDNC_CONFIG_DIR is not set"); + propDir = "/opt/onap/ccsdk/data/properties/"; + } else if (!propDir.endsWith("/")) { + propDir = propDir + "/"; + } + + // Get the parameters for the REST calls + HashMap<String, String> dmaapPolicyHttpParams = new HashMap<String, String>(); + HashMap<String, String> energySavingsServerHttpParams = new HashMap<String, String>(); + + try { + FileInputStream fileInput = new FileInputStream(propDir + PROPERTIES_FILE_NAME); + Properties properties = new Properties(); + properties.load(fileInput); + fileInput.close(); + + for (String param : new String[] {"url", "httpMethod", "authentication", "user", "password"}) { + dmaapPolicyHttpParams.put(param, properties.getProperty("dmaapPolicy." + param)); + energySavingsServerHttpParams.put(param, properties.getProperty("energySavingsServer." + param)); + } + } catch (FileNotFoundException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } + + // Create a web resource for the Energy Savings server + ClientConfig esClientConfig = new DefaultClientConfig(); + // 3 minute read time out + esClientConfig.getProperties().put(ClientConfig.PROPERTY_READ_TIMEOUT, 180000); + // 1 minute connect time out + esClientConfig.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 60000); + Client esClient = Client.create(esClientConfig); + + // Authentication for the Energy Savings server + if (energySavingsServerHttpParams.get("authentication").equals("basic")) { + esClient.addFilter(new HTTPBasicAuthFilter(energySavingsServerHttpParams.get("user"), + energySavingsServerHttpParams.get("password"))); + energySavingsWebResource = esClient.resource(energySavingsServerHttpParams.get("url")); + } else if (energySavingsServerHttpParams.get("authentication").equals("none")) { + energySavingsWebResource = esClient.resource(energySavingsServerHttpParams.get("url")); + } else { + LOG.error("Unexpected value for energy savings server authentication: " + + energySavingsServerHttpParams.get("authentication")); + } + + // Create a web resource for the DMaaP SDNR_TO_POLICY topic + ClientConfig dmaapClientConfig = new DefaultClientConfig(); + // 3 minute read time out + dmaapClientConfig.getProperties().put(ClientConfig.PROPERTY_READ_TIMEOUT, 180000); + // 1 minute connect time out + dmaapClientConfig.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 60000); + Client dmaapClient = Client.create(dmaapClientConfig); + + // Authentication for the DMaaP message router + if (dmaapPolicyHttpParams.get("authentication").equals("basic")) { + dmaapClient.addFilter( + new HTTPBasicAuthFilter(dmaapPolicyHttpParams.get("user"), dmaapPolicyHttpParams.get("password"))); + dmaapSdnrToPolicyWebResource = dmaapClient.resource(dmaapPolicyHttpParams.get("url")); + } else if (dmaapPolicyHttpParams.get("authentication").equals("none")) { + dmaapSdnrToPolicyWebResource = dmaapClient.resource(dmaapPolicyHttpParams.get("url")); + } else { + LOG.error("Unexpected value for DMaaP message router authentication: " + + dmaapPolicyHttpParams.get("authentication")); + } + + LOG.debug("energySavingsServerHttpParams: " + Collections.singletonList(energySavingsServerHttpParams)); + LOG.debug("dmaapPolicyHttpParams: " + Collections.singletonList(dmaapPolicyHttpParams)); + LOG.debug("Initialization complete for " + appName); + } + + /** + * Method called when the blueprint container is destroyed. + */ + public void close() { + LOG.debug("EnergysavingsProvider Closed"); + } + + @Override + public Future<RpcResult<PayloadOutput>> payload(PayloadInput input) { + + /* + * Policy has published a POLICY_TO_SDNR DMaaP topic. Currently, this feature simply forwards the + * input to the Energy Savings server untouched. + */ + + // Assume success + Boolean requestSucceeded = true; + + // Build the result now so error messages can be included in the response + PayloadOutputBuilder resultBuilder = new PayloadOutputBuilder(); + + if (input == null) { + LOG.error("Input is null"); + resultBuilder.setResult("Input is null"); + requestSucceeded = false; + } else { + try { + PayloadInputBuilder inputBuilder = new PayloadInputBuilder(input); + input = inputBuilder.build(); + LOG.debug("Received payload: " + input.getPayload()); + } catch (Exception e) { + LOG.error("Cannot build input"); + resultBuilder.setResult(e.toString() + " : " + e.getMessage()); + requestSucceeded = false; + } + } + + /* + * See if the web resources were created during initialization. No use in proceeding if not. + */ + if (energySavingsWebResource == null) { + LOG.error("energySavingsWebResouce is null"); + resultBuilder.setResult("energySavingsWebResource is null"); + requestSucceeded = false; + } + + if (dmaapSdnrToPolicyWebResource == null) { + LOG.error("dmaapSdnrToPolicyWebResouce is null"); + resultBuilder.setResult("dmaapSdnrToPolicyWebResource is null"); + requestSucceeded = false; + } + + /* + * Forward the POLICY_TO_SDNR message to the Energy Savings server + */ + + ClientResponse response = null; + if (requestSucceeded) { + try { + LOG.debug("Sending message to controller: \n" + input.getPayload()); + response = energySavingsWebResource.type(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON) + .method(HttpMethod.POST, ClientResponse.class, input.getPayload()); + LOG.debug("Received response from Energy Savings server: \n" + response.toString()); + } catch (Exception e) { + LOG.error("Error while posting POLICY_TO_SDNR input to server:", e); + resultBuilder.setResult("Error while posting POLICY_TO_SDNR input to server\n" + e.toString()); + requestSucceeded = false; + } + } + + /* + * Return the response from the server to Policy using the SDNR_TO_POLICY topic + */ + + if (requestSucceeded) { + String esServerResponse = response.getEntity(String.class); + try { + LOG.debug("Sending SDNR_TO_POLICY topic: \n" + esServerResponse); + response = + dmaapSdnrToPolicyWebResource.type(MediaType.APPLICATION_JSON).accept(MediaType.APPLICATION_JSON) + .method(HttpMethod.POST, ClientResponse.class, esServerResponse); + LOG.debug("Received response from DMaaP message router: \n" + response.toString()); + } catch (Exception e) { + LOG.error("Error while posting SDNR_TO_POLICY topic: ", e); + resultBuilder.setResult("Error while posting SDNR_TO_POLICY topic:\n" + e.toString()); + requestSucceeded = false; + } + } + + if (requestSucceeded) { + return Futures.immediateFuture( + RpcResultBuilder.<PayloadOutput>success().withResult(resultBuilder.build()).build()); + } else { + return Futures.immediateFuture( + RpcResultBuilder.<PayloadOutput>failed().withResult(resultBuilder.build()).build()); + } + } +} diff --git a/sdnr/northbound/energysavings/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml b/sdnr/northbound/energysavings/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml new file mode 100644 index 000000000..80d1d1a3f --- /dev/null +++ b/sdnr/northbound/energysavings/provider/src/main/resources/org/opendaylight/blueprint/impl-blueprint.xml @@ -0,0 +1,24 @@ +<?xml version="1.0" encoding="UTF-8"?> +<!-- vi: set et smarttab sw=4 tabstop=4: --> +<!-- +Copyright © ${copyrightYear} ${copyright} and others. All rights reserved. + +This program and the accompanying materials are made available under the +terms of the Eclipse Public License v1.0 which accompanies this distribution, +and is available at http://www.eclipse.org/legal/epl-v10.html +--> +<blueprint xmlns="http://www.osgi.org/xmlns/blueprint/v1.0.0" + xmlns:odl="http://opendaylight.org/xmlns/blueprint/v1.0.0" + odl:use-default-for-reference-types="true"> + + <reference id="dataBroker" + interface="org.opendaylight.controller.md.sal.binding.api.DataBroker" + odl:type="default" /> + + <bean id="provider" + class="org.onap.sdnc.northbound.sdnr.impl.EnergysavingsProvider" + init-method="init" destroy-method="close"> + <argument ref="dataBroker" /> + </bean> + +</blueprint> diff --git a/sdnr/northbound/energysavings/provider/src/main/resources/sdnr-energy-savings.properties b/sdnr/northbound/energysavings/provider/src/main/resources/sdnr-energy-savings.properties new file mode 100644 index 000000000..90c773a7e --- /dev/null +++ b/sdnr/northbound/energysavings/provider/src/main/resources/sdnr-energy-savings.properties @@ -0,0 +1,13 @@ +# Parameters for the different REST messages + +# To the Energy Savings server +energySavings.url = http://energy-savings-server +energySavings.httpMethod = post +energySavings.authentication = none + +# To publish a DMaaP topic that is a response to a energy savings request +dmaapPolicy.url = https://dmaap-message-router/events +dmaapPolicy.httpMethod = post +energySavings.authentication = basic +energySavings.user = user +energySavings.password = password |