| <?php |
| /* |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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. |
| * |
| */ |
| |
| |
| include_once '../util/Logger.php'; |
| include_once '../conf/Config.inc'; |
| include_once "../util/lock.php"; |
| include_once '../db/HMCDBAccessor.php'; |
| |
| include_once "../orchestrator/HMC.php"; |
| include_once "../orchestrator/Service.php"; |
| include_once "../orchestrator/ServiceComponent.php"; |
| include_once "../db/Transaction.php"; |
| include_once "../db/OrchestratorDB.php"; |
| include_once "../puppet/DBReader.php"; |
| include_once "../puppet/PuppetInvoker.php"; |
| include_once "configUtils.php"; |
| include_once '../util/suggestProperties.php'; |
| include_once "../util/clusterState.php"; |
| |
| function performServiceManagement( $hmc, $requestObj ) |
| { |
| global $logger; |
| global $dbAccessor; |
| global $clusterName; |
| |
| /* What we're here to return. */ |
| $serviceManagementResult = array(); |
| |
| $action = $requestObj['action']; |
| |
| $serviceNames = array_keys($requestObj['services']); |
| |
| switch( $action ) |
| { |
| case 'startAll': |
| $serviceManagementResult = $hmc->startAllServices(); |
| break; |
| |
| case 'stopAll': |
| $serviceManagementResult = $hmc->stopAllServices(); |
| break; |
| |
| case 'start': |
| if( count($serviceNames) > 0 ) { |
| $serviceManagementResult = $hmc->startServices( $serviceNames ); |
| } |
| break; |
| |
| case 'stop': |
| if( count($serviceNames) > 0 ) { |
| $serviceManagementResult = $hmc->stopServices( $serviceNames ); |
| } |
| break; |
| |
| case 'reconfigure': |
| |
| if( count($serviceNames) > 0 ) { |
| |
| /* Read additional data from $requestObj and update the DB |
| * accordingly before attempting to call $hmc->reconfigureServices(). |
| */ |
| // re-using persistConfigs code |
| $finalProperties = sanitizeConfigs($requestObj['services'], $logger); |
| $serviceManagementResult = validateAndPersistConfigsFromUser($dbAccessor, $logger, $clusterName, $finalProperties); |
| if ($serviceManagementResult['result'] != 0) { |
| $logger->log_error("Failed to validate configs from user, error=" . $serviceManagementResult["error"]); |
| return $serviceManagementResult; |
| } |
| |
| /* Also, remember to save a snapshot of the outgoing service |
| * config in the 'ConfigHistory' table. |
| */ |
| $changeMsg = "Reconfiguring services, list=" . implode(",", $serviceNames); |
| $serviceManagementResult = $dbAccessor->createServiceConfigSnapshot($clusterName, $changeMsg); |
| if ($serviceManagementResult['result'] != 0) { |
| $logger->log_error("Failed to create config snapshot in DB, error=" . $serviceManagementResult["error"]); |
| return $serviceManagementResult; |
| } |
| |
| $serviceManagementResult = $hmc->reconfigureServices( $serviceNames ); |
| } |
| break; |
| |
| default: |
| $logger->log_error( "Unrecognized action '" . $action . "' requested" ); |
| $serviceManagementResult = array ( "result" => -1 , "error" => "Invalid action, action=" . $action); |
| break; |
| } |
| |
| return $serviceManagementResult; |
| } |
| |
| $dbPath = $GLOBALS["DB_PATH"]; |
| $clusterName = $_GET['clusterName']; |
| |
| /* For returning in our JSON at the very end. */ |
| $result = 0; |
| $error = ""; |
| |
| $txnId = -1; |
| |
| $logger = new HMCLogger("ManageServices"); |
| |
| $dbAccessor = new HMCDBAccessor($dbPath); |
| $clusterStateResponse = $dbAccessor->getClusterState($clusterName); |
| |
| if ($clusterStateResponse['result'] != 0) { |
| print json_encode($clusterStateResponse); |
| return; |
| } |
| |
| $clusterState = json_decode($clusterStateResponse['state'], true); |
| |
| /* Perform the actual management only if this cluster is in a deployed state |
| * (regardless of whether the deploy was a success or failure). |
| */ |
| if ($clusterState['state'] == 'DEPLOYED') { |
| |
| $hmc = new HMC($dbPath, $clusterName); |
| |
| /* Slurp in the POST body. */ |
| $requestData = file_get_contents('php://input'); |
| $requestObj = json_decode($requestData, true); |
| |
| /* The Main Event. */ |
| $serviceManagementResult = performServiceManagement($hmc, $requestObj); |
| |
| if ($serviceManagementResult["result"] != 0 ) { |
| $logger->log_error("Failed to take an action in manage services, error=" . $serviceManagementResult["error"]); |
| print json_encode($serviceManagementResult); |
| return; |
| } |
| |
| $txnId = $serviceManagementResult["txnId"]; |
| |
| /* (And when we kick off the management action is the only time to update the |
| * state of the cluster). |
| */ |
| $state = "SERVICE_MANAGEMENT_IN_PROGRESS"; |
| $displayName = "Service management in progress"; |
| $context = array ( |
| 'txnId' => $txnId, |
| /* We've come here only if the cluster is in the "DEPLOYED" state, so the |
| * state we stash is the state at the end of the deploy - we'll restore |
| * this state at the end of the service management action. |
| */ |
| 'stashedDeployState' => $clusterState |
| ); |
| |
| $retval = updateClusterState($clusterName, $state, $displayName, $context); |
| if ($retval['result'] != 0) { |
| $result = $retval['result']; |
| $error = $retval['error']; |
| } |
| } |
| /* In case a management operation is already running, just return the txnId |
| * from the DB instead of kicking off a fresh managemen action - this is so |
| * we can try and preclude multiple managements occurring in parallel. |
| */ |
| elseif ($clusterState['state'] == 'SERVICE_MANAGEMENT_IN_PROGRESS') { |
| |
| $txnId = $clusterState['context']['txnId']; |
| } |
| |
| /* Create the output data... */ |
| $jsonOutput = array( |
| 'clusterName' => $clusterName, |
| 'txnId' => $txnId |
| ); |
| |
| /* ...and spit it out. */ |
| header("Content-type: application/json"); |
| |
| print (json_encode(array("result" => $result, "error" => $error, "response" => $jsonOutput))); |
| |
| ?> |