Add StartOS 0.4.0 packaging
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"use strict";
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// Copyright 2013 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.Compute = void 0;
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const gaxios_1 = require("gaxios");
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const gcpMetadata = require("gcp-metadata");
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const oauth2client_1 = require("./oauth2client");
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class Compute extends oauth2client_1.OAuth2Client {
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serviceAccountEmail;
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scopes;
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/**
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* Google Compute Engine service account credentials.
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*
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* Retrieve access token from the metadata server.
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* See: https://cloud.google.com/compute/docs/access/authenticate-workloads#applications
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*/
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constructor(options = {}) {
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super(options);
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// Start with an expired refresh token, which will automatically be
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// refreshed before the first API call is made.
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this.credentials = { expiry_date: 1, refresh_token: 'compute-placeholder' };
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this.serviceAccountEmail = options.serviceAccountEmail || 'default';
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this.scopes = Array.isArray(options.scopes)
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? options.scopes
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: options.scopes
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? [options.scopes]
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: [];
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}
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/**
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* Refreshes the access token.
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* @param refreshToken Unused parameter
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*/
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async refreshTokenNoCache() {
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const tokenPath = `service-accounts/${this.serviceAccountEmail}/token`;
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let data;
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try {
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const instanceOptions = {
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property: tokenPath,
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};
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if (this.scopes.length > 0) {
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instanceOptions.params = {
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scopes: this.scopes.join(','),
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};
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}
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data = await gcpMetadata.instance(instanceOptions);
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}
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catch (e) {
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if (e instanceof gaxios_1.GaxiosError) {
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e.message = `Could not refresh access token: ${e.message}`;
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this.wrapError(e);
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}
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throw e;
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}
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const tokens = data;
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if (data && data.expires_in) {
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tokens.expiry_date = new Date().getTime() + data.expires_in * 1000;
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delete tokens.expires_in;
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}
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this.emit('tokens', tokens);
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return { tokens, res: null };
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}
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/**
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* Fetches an ID token.
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* @param targetAudience the audience for the fetched ID token.
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*/
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async fetchIdToken(targetAudience) {
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const idTokenPath = `service-accounts/${this.serviceAccountEmail}/identity` +
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`?format=full&audience=${targetAudience}`;
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let idToken;
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try {
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const instanceOptions = {
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property: idTokenPath,
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};
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idToken = await gcpMetadata.instance(instanceOptions);
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}
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catch (e) {
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if (e instanceof Error) {
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e.message = `Could not fetch ID token: ${e.message}`;
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}
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throw e;
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}
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return idToken;
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}
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wrapError(e) {
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const res = e.response;
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if (res && res.status) {
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e.status = res.status;
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if (res.status === 403) {
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e.message =
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'A Forbidden error was returned while attempting to retrieve an access ' +
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'token for the Compute Engine built-in service account. This may be because the Compute ' +
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'Engine instance does not have the correct permission scopes specified: ' +
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e.message;
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}
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else if (res.status === 404) {
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e.message =
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'A Not Found error was returned while attempting to retrieve an access' +
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'token for the Compute Engine built-in service account. This may be because the Compute ' +
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'Engine instance does not have any permission scopes specified: ' +
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e.message;
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}
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}
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}
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}
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exports.Compute = Compute;
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//# sourceMappingURL=computeclient.js.map
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