js-openstack-lib/src/nova.js

72 lines
2.3 KiB
JavaScript

/*
* Copyright (c) 2016 Michael Krotscheck.
*
* 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.
*/
import AbstractService from './util/abstractService'
/**
* A list of all supported versions. Please keep this array sorted by most recent.
*
* @type {Array}
* @ignore
*/
const supportedNovaVersions = [
'v2.1'
]
export default class Nova extends AbstractService {
/**
* This class provides direct, idempotent, low-level access to the Nova API of a specific
* cloud. The constructor requires that you provide a specific nova interface endpoint
* descriptor, as received from keystone's catalog list.
*
* @example
* {
* region_id: "RegionOne",
* url: "http://127.0.0.1:8774/",
* region: "RegionOne",
* interface: "admin",
* id: "0b8b5f0f14904136ab5a4f83f27ec49a"
* }
* @param {{}} endpointConfig The configuration element for a specific nova endpoint.
*/
constructor (endpointConfig) {
// Sanity checks.
if (!endpointConfig || !endpointConfig.url) {
throw new Error('An endpoint configuration is required.')
}
// Clone the config, so that this instance is immutable
// at runtime (no modifying the config after the fact).
endpointConfig = Object.assign({}, endpointConfig)
super(endpointConfig.url, supportedNovaVersions)
this._config = endpointConfig
}
/**
* List the flavors available on nova.
*
* @param {String} token An authorization token, or a promise which will resolve into one.
* @returns {Promise.<T>} A promise which will resolve with the list of flavors.
*/
flavorList (token = null) {
return this
._requestComponents(token)
.then(([url, headers]) => this.http.httpRequest('GET', `${url}flavors`, headers))
.then((response) => response.json())
.then((body) => body.flavors)
}
}