78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
"use strict";
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// Copyright 2018 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.getEnv = exports.clear = exports.GCPEnv = void 0;
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const gcpMetadata = require("gcp-metadata");
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var GCPEnv;
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(function (GCPEnv) {
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GCPEnv["APP_ENGINE"] = "APP_ENGINE";
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GCPEnv["KUBERNETES_ENGINE"] = "KUBERNETES_ENGINE";
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GCPEnv["CLOUD_FUNCTIONS"] = "CLOUD_FUNCTIONS";
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GCPEnv["COMPUTE_ENGINE"] = "COMPUTE_ENGINE";
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GCPEnv["NONE"] = "NONE";
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})(GCPEnv = exports.GCPEnv || (exports.GCPEnv = {}));
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let envPromise;
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function clear() {
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envPromise = undefined;
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}
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exports.clear = clear;
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async function getEnv() {
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if (envPromise) {
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return envPromise;
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}
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envPromise = getEnvMemoized();
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return envPromise;
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}
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exports.getEnv = getEnv;
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async function getEnvMemoized() {
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let env = GCPEnv.NONE;
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if (isAppEngine()) {
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env = GCPEnv.APP_ENGINE;
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}
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else if (isCloudFunction()) {
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env = GCPEnv.CLOUD_FUNCTIONS;
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}
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else if (await isComputeEngine()) {
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if (await isKubernetesEngine()) {
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env = GCPEnv.KUBERNETES_ENGINE;
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}
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else {
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env = GCPEnv.COMPUTE_ENGINE;
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}
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}
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else {
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env = GCPEnv.NONE;
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}
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return env;
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}
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function isAppEngine() {
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return !!(process.env.GAE_SERVICE || process.env.GAE_MODULE_NAME);
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}
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function isCloudFunction() {
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return !!(process.env.FUNCTION_NAME || process.env.FUNCTION_TARGET);
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}
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async function isKubernetesEngine() {
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try {
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await gcpMetadata.instance('attributes/cluster-name');
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return true;
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}
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catch (e) {
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return false;
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}
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}
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async function isComputeEngine() {
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return gcpMetadata.isAvailable();
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}
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//# sourceMappingURL=envDetect.js.map
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