pipelines/frontend/server/handlers/gke-metadata.ts

59 lines
1.8 KiB
TypeScript

// Copyright 2019 The Kubeflow Authors
//
// 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 { Handler } from 'express';
import * as k8sHelper from '../k8s-helper';
import fetch from 'node-fetch';
import { GkeMetadataConfigs } from '../configs';
const disabledHandler: Handler = async (_, res) => {
res.status(500).send('GKE metadata endpoints are disabled.');
};
export const getClusterNameHandler = (options: GkeMetadataConfigs) => {
if (options.disabled) {
return disabledHandler;
}
return clusterNameHandler;
};
const clusterNameHandler: Handler = async (_, res) => {
const response = await fetch(
'http://metadata/computeMetadata/v1/instance/attributes/cluster-name',
{ headers: { 'Metadata-Flavor': 'Google' } },
);
if (!response.ok) {
res.status(500).send('Failed fetching GKE cluster name');
return;
}
res.send(await response.text());
};
export const getProjectIdHandler = (options: GkeMetadataConfigs) => {
if (options.disabled) {
return disabledHandler;
}
return projectIdHandler;
};
const projectIdHandler: Handler = async (_, res) => {
const response = await fetch('http://metadata/computeMetadata/v1/project/project-id', {
headers: { 'Metadata-Flavor': 'Google' },
});
if (!response.ok) {
res.status(500).send('Failed fetching GKE project id');
return;
}
res.send(await response.text());
};