| <?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. |
| */ |
| |
| /** |
| * State of both Services (HDFS, MapReduce etc.) and |
| * ServiceComponents (NameNode, JobTracker etc.). |
| */ |
| class State { |
| const UNKNOWN = 0; |
| const UNINSTALLING = 1; |
| const UNINSTALLED = 2; |
| const INSTALLING = 3; |
| const INSTALLED = 4; |
| const STARTING = 5; |
| const STARTED = 6; |
| const STOPPING = 7; |
| const STOPPED = 8; |
| const FAILED = 9; |
| |
| public static $STATE = |
| array ( |
| "UNKNOWN", |
| "UNINSTALLING", |
| "UNINSTALLED", |
| "INSTALLING", |
| "INSTALLED", |
| "STARTING", |
| "STARTED", |
| "STOPPING", |
| "STOPPED", |
| "FAILED" |
| ); |
| |
| public static $DESIRED_STATE = |
| array ( |
| self::UNINSTALLING => "uninstalled", |
| self::UNINSTALLED => "uninstalled", |
| self::INSTALLING => "installed_and_configured", |
| self::INSTALLED => "installed_and_configured", |
| self::STARTING => "running", |
| self::STARTED => "running", |
| self::STOPPING => "stopped", |
| self::STOPPED => "stopped" |
| ); |
| |
| public static function getStateFromString($stateStr) { |
| $found = array_keys(self::$STATE, $stateStr); |
| if (is_array($found) && count($found) == 1) { |
| return $found[0]; |
| } |
| return FALSE; |
| } |
| |
| /** |
| * Converts INSTALLED to INSTALLING and likewise. |
| * No-op for failed or unknown states |
| * @param int $state |
| */ |
| public static function convertStateToProgressingState($state) { |
| $retState = self::UNKNOWN; |
| switch ($state) { |
| case State::UNKNOWN: |
| case State::UNINSTALLING: |
| case State::INSTALLING: |
| case State::STARTING: |
| case State::STOPPING: |
| case State::FAILED: |
| $retState = $state; |
| break; |
| case State::UNINSTALLED: |
| $retState = self::UNINSTALLING; |
| break; |
| case State::INSTALLED: |
| $retState = self::INSTALLING; |
| break; |
| case State::STARTED: |
| $retState = self::STARTING; |
| break; |
| case State::STOPPED: |
| $retState = self::STOPPING; |
| break; |
| default: |
| $retState = self::UNKNOWN; |
| break; |
| } |
| return $retState; |
| } |
| |
| } |
| |
| class TransactionProgress { |
| const PENDING = 0; |
| const IN_PROGRESS = 1; |
| const COMPLETED = 2; |
| const FAILED = 3; |
| |
| public static $PROGRESS = |
| array ( |
| "PENDING", |
| "IN_PROGRESS", |
| "COMPLETED", |
| "FAILED" |
| ); |
| |
| public static function getProgressFromString($progressStr) { |
| $found = array_keys(self::$PROGRESS, $progressStr); |
| if (is_array($found) && count($found) == 1) { |
| return $found[0]; |
| } |
| return FALSE; |
| } |
| |
| } |
| |
| function getTransactionProgressFromState($state) { |
| $txnState = TransactionProgress::PENDING; |
| switch ($state) { |
| case State::UNKNOWN: |
| $txnState = TransactionProgress::PENDING; |
| break; |
| case State::UNINSTALLING: |
| case State::INSTALLING: |
| case State::STARTING: |
| case State::STOPPING: |
| $txnState = TransactionProgress::IN_PROGRESS; |
| break; |
| case State::UNINSTALLED: |
| case State::INSTALLED: |
| case State::STARTED: |
| case State::STOPPED: |
| $txnState = TransactionProgress::COMPLETED; |
| break; |
| case State::FAILED: |
| $txnState = TransactionProgress::FAILED; |
| break; |
| default: |
| $txnState = TransactionProgress::PENDING; |
| } |
| return $txnState; |
| } |
| |
| function getActionDescription($name, $action, $state) { |
| /* |
| $stateInfo = ""; |
| if ($state == "PENDING") { |
| $stateInfo = "is $state"; |
| } else if ($state == "IN_PROGRESS") { |
| $stateInfo = "is IN PROGRESS"; |
| } else if ($state == "COMPLETED" || $state =="FAILED") { |
| $stateInfo = "has $state"; |
| } |
| $description = $name . " " . strtolower($action) . " " . strtolower($stateInfo); |
| */ |
| $description = $name.' '.$action; |
| return $description; |
| } |
| ?> |