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// Copyright 2017 Google LLC
//
// 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.
'use strict';
async function runInstanceOperations(instanceID, clusterID) {
console.log('Check Instance Exists');
// [START bigtable_check_instance_exists]
let instanceExists = true;
try {
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
await instanceAdminClient.getInstance({
name: `projects/${projectId}/instances/${instanceID}`,
});
} catch (e) {
if (e.code === 5) {
instanceExists = false;
}
}
// [END bigtable_check_instance_exists]
// Create instance if does not exists
if (!instanceExists) {
console.log('Creating a PRODUCTION Instance');
// [START bigtable_create_prod_instance]
// Creates a Production Instance with the ID "ssd-instance"
// with cluster id "ssd-cluster", 3 nodes and location us-central1-f
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
const instanceOptions = {
parent: `projects/${projectId}`,
instanceId: instanceID,
instance: {
displayName: instanceID,
labels: {'prod-label': 'prod-label'},
type: 'PRODUCTION',
},
clusters: {
[clusterID]: {
location: `projects/${projectId}/locations/us-central1-f`,
serveNodes: 3,
defaultStorageType: 'SSD',
},
},
};
// Create production instance with given options
const [prodInstance, operation] =
await instanceAdminClient.createInstance(instanceOptions);
await operation.promise();
console.log(`Created Instance: ${prodInstance.name}`);
// [END bigtable_create_prod_instance]
} else {
console.log(`Instance ${instanceID} exists`);
}
console.log(); //for just a new-line
console.log('Listing Instances:');
{
// [START bigtable_list_instances]
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
const [instances] = await instanceAdminClient.listInstances({
parent: `projects/${projectId}`,
});
instances.instances.forEach(instance => {
console.log(instance.name);
});
// [END bigtable_list_instances]
}
console.log(); //for just a new-line
console.log('Get Instance');
{
// [START bigtable_get_instance]
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
const [instance2] = await instanceAdminClient.getInstance({
name: `projects/${projectId}/instances/${instanceID}`,
});
console.log(`Instance ID: ${instance2.name}`);
console.log(`Instance Meta: ${JSON.stringify(instance2.labels)}`);
// [END bigtable_get_instance]
}
console.log(); //for just a new-line
console.log('Listing Clusters...');
{
// [START bigtable_get_clusters]
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
const [clusters] = await instanceAdminClient.listClusters({
parent: `projects/${projectId}/instances/${instanceID}`,
});
clusters.clusters.forEach(cluster => {
console.log(cluster.name);
});
// [END bigtable_get_clusters]
}
}
// Creates a Development instance with the ID "hdd-instance"
// with cluster ID "hdd-cluster" and location us-central1-f
// Cluster nodes should not be set while creating Development Instance
async function createDevInstance(instanceID, clusterID) {
// [START bigtable_create_dev_instance]
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
console.log(); //for just a new-line
console.log('Creating a DEVELOPMENT Instance');
// Set options to create an Instance
const options = {
parent: `projects/${projectId}`,
instanceId: instanceID,
instance: {
displayName: instanceID,
labels: {'dev-label': 'dev-label'},
type: 'DEVELOPMENT',
},
clusters: [
{
id: clusterID,
location: `projects/${projectId}/locations/us-central1-f`,
serveNodes: 1,
defaultStorageType: 'HDD',
},
],
};
// Create development instance with given options
const [instance, operation] =
await instanceAdminClient.createInstance(options);
await operation.promise();
console.log(`Created development instance: ${instance.name}`);
// [END bigtable_create_dev_instance]
}
// Delete the Instance
async function deleteInstance(instanceID) {
console.log(); //for just a new-line
// [START bigtable_delete_instance]
console.log('Deleting Instance');
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
await instanceAdminClient.deleteInstance({
name: `projects/${projectId}/instances/${instanceID}`,
});
console.log(`Instance deleted: ${instanceID}`);
// [END bigtable_delete_instance]
}
// Add Cluster
async function addCluster(instanceID, clusterID) {
let instanceExists = true;
try {
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
await instanceAdminClient.getInstance({
name: `projects/${projectId}/instances/${instanceID}`,
});
} catch (e) {
if (e.code === 5) {
instanceExists = false;
}
}
if (!instanceExists) {
console.log('Instance does not exists');
} else {
console.log(); //for just a new-line
console.log(`Adding Cluster to Instance ${instanceID}`);
// [START bigtable_create_cluster]
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
const clusterOptions = {
parent: `projects/${projectId}/instances/${instanceID}`,
clusterId: clusterID,
cluster: {
location: `projects/${projectId}/locations/us-central1-c`,
serveNodes: 3,
defaultStorageType: 'SSD',
},
};
const [cluster, operation] =
await instanceAdminClient.createCluster(clusterOptions);
await operation.promise();
console.log(`Cluster created: ${cluster.name}`);
// [END bigtable_create_cluster]
}
}
// Delete the Cluster
async function deleteCluster(instanceID, clusterID) {
// [START bigtable_delete_cluster]
const {BigtableInstanceAdminClient} = require('@google-cloud/bigtable').v2;
const instanceAdminClient = new BigtableInstanceAdminClient();
const projectId = await instanceAdminClient.getProjectId();
console.log(); //for just a new-line
console.log('Deleting Cluster');
await instanceAdminClient.deleteCluster({
name: `projects/${projectId}/instances/${instanceID}/clusters/${clusterID}`,
});
console.log(`Cluster deleted: ${clusterID}`);
// [END bigtable_delete_cluster]
}
require('yargs')
.demand(1)
.command(
'run',
'Creates an Instance(type: PRODUCTION) and run basic instance-operations',
{},
argv => runInstanceOperations(argv.instance, argv.cluster),
)
.example(
'node $0 run --instance [instanceID] --cluster [clusterID]',
'Run instance operations',
)
.command('dev-instance', 'Create Development Instance', {}, argv =>
createDevInstance(argv.instance, argv.cluster),
)
.example(
'node $0 dev-instance --instance [instanceID]',
'Create Development Instance',
)
.command('del-instance', 'Delete the Instance', {}, argv =>
deleteInstance(argv.instance),
)
.example(
'node $0 del-instance --instance [instanceID]',
'Delete the Instance.',
)
.command('add-cluster', 'Add Cluster', {}, argv =>
addCluster(argv.instance, argv.cluster),
)
.example(
'node $0 add-cluster --instance [instanceID] --cluster [clusterID]',
'Add Cluster',
)
.command('del-cluster', 'Delete the Cluster', {}, argv =>
deleteCluster(argv.instance, argv.cluster),
)
.example(
'node $0 del-cluster --instance [instanceID] --cluster [clusterID]',
'Delete the Cluster',
)
.wrap(120)
.nargs('instance', 1)
.nargs('cluster', 1)
.describe('instance', 'Cloud Bigtable Instance ID')
.describe('cluster', 'Cloud Bigtable Cluster ID')
.recommendCommands()
.epilogue('For more information, see https://cloud.google.com/bigtable/docs')
.help()
.strict().argv;