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October 7, 2015 09:11
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Google Apps Script library for the OpenStack RESTful API
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// 34567890123456789012345678901234567890123456789012345678901234567890123456789 | |
/** | |
* @fileOverview GAS Library for accessing an <a href="http://developer.openstack.org/api-ref.html">OpenStack API</a>. Library ID - Mo6MqgzKidu5VYzZ7NzIM-tnfWGfgtIUb | |
* @author <a href="mailto:andrew@roberts.net">Andrew Roberts</a> | |
* @copyright <a href="http://www.andrewroberts.net">Andrew Roberts</a> | |
*/ | |
/* | |
* This program is free software: you can redistribute it and/or modify it under | |
* the terms of the GNU General Public License as published by the Free Software | |
* Foundation, either version 3 of the License, or (at your option) any later | |
* version. | |
* | |
* This program is distributed in the hope that it will be useful, but WITHOUT | |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | |
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. | |
* | |
* You should have received a copy of the GNU General Public License along with | |
* this program. If not, see http://www.gnu.org/licenses/. | |
*/ | |
// JSHint - April 10 2015 18:14 GMT+1 | |
/* jshint asi: true */ | |
// OpenStack.gs | |
// ============ | |
// Public Functions | |
// ---------------- | |
/** | |
* Connect to Memset's OpenStack API | |
* | |
* @param {string} rootUrl | |
* @param {string} tenant | |
* @param {string} username | |
* @param {string} password | |
* | |
* @return {object}: | |
* {string} authToken | |
* {string} endpoint | |
*/ | |
function connect(rootUrl, tenant, username, password) { | |
var functionName = 'OpenStack.connect()' | |
assertStringNotEmpty_( | |
tenant, | |
'You must specify a tenant in call to ' + functionName) | |
assertStringNotEmpty_( | |
username, | |
'You must specify a username in call to ' + functionName) | |
assertStringNotEmpty_( | |
password, | |
'You must specify a password in call to ' + functionName) | |
var payload = { | |
auth: { | |
tenantName: tenant, | |
passwordCredentials: { | |
username: username, | |
password: password | |
} | |
} | |
} | |
var options = { | |
contentType: 'application/json', | |
method: 'post', | |
muteHttpExceptions: false, | |
payload: JSON.stringify(payload), | |
} | |
var jsonResponse = UrlFetchApp.fetch(rootUrl + 'tokens', options) | |
// Assume error thrown if call fails | |
var response = JSON.parse(jsonResponse) | |
var authToken = response.access.token.id | |
var endpoint = response.access.serviceCatalog[0].endpoints[0].publicURL | |
return { | |
authToken: authToken, | |
endpoint: endpoint | |
} | |
} // OpenStack.connect() | |
/** | |
* Send a GET request to Memset's OpenStack API | |
* | |
* @param {object}: | |
* {string} authToken | |
* (string) endpoint | |
* @param {string} path | |
*/ | |
function get(authTokenData, path){ | |
assertStringNotEmpty_( | |
authTokenData.authToken, | |
'No auth token in call to OpenStack.get()') | |
assertStringNotEmpty_( | |
authTokenData.authToken, | |
'No endpoint in call to OpenStack.get()') | |
assertStringNotEmpty_( | |
path, | |
'No path in call to OpenStack.get()') | |
var authToken = authTokenData.authToken | |
var endpoint = authTokenData.endpoint | |
var options = { | |
headers: { | |
"X-Auth-Token": authToken | |
}, | |
muteHttpExceptions: false, | |
} | |
var response = UrlFetchApp.fetch(endpoint + path, options) | |
return response.getContentText() | |
} // OpenStack.get() | |
// Private Functions | |
// ----------------- | |
/** | |
* Assert a value is a string | |
* | |
* @param {object} testValue The value to test | |
* @param {string} errorMessage The error message to throw | |
*/ | |
function assertStringNotEmpty_(testValue, errorMessage) { | |
if (typeof testValue !== 'string' && testValue !== '') { | |
throw new TypeError(errorMessage) | |
} | |
} // assertStringNotEmpty_() |
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