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instance.js
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/**
* Copyright 2020 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 createInstance(instanceId, projectId) {
// [START spanner_create_instance]
// Imports the Google Cloud client library
const {Spanner} = require('@google-cloud/spanner');
/**
* TODO(developer): Uncomment the following lines before running the sample.
*/
// const projectId = 'my-project-id';
// const instanceId = 'my-instance';
// Creates a client
const spanner = new Spanner({
projectId: projectId,
});
const instance = spanner.instance(instanceId);
// Creates a new instance
try {
console.log(`Creating instance ${instance.formattedName_}.`);
const [, operation] = await instance.create({
config: 'regional-us-west1',
nodes: 1,
displayName: 'This is a display name.',
labels: {
['cloud_spanner_samples']: 'true',
created: Math.round(Date.now() / 1000).toString(), // current time
},
});
console.log(`Waiting for operation on ${instance.id} to complete...`);
await operation.promise();
console.log(`Created instance ${instanceId}.`);
} catch (err) {
console.error('ERROR:', err);
}
// [END spanner_create_instance]
}
const {
createInstanceWithProcessingUnits,
} = require('./instance-with-processing-units');
require('yargs')
.demand(1)
.command(
'createInstance <instanceName> <projectId>',
'Creates an example instance in a Cloud Spanner instance.',
{},
opts => createInstance(opts.instanceName, opts.projectId),
)
.example('node $0 createInstance "my-instance" "my-project-id"')
.command(
'createInstanceWithProcessingUnits <instanceName> <projectId>',
'Creates an example instance in a Cloud Spanner instance with processing units.',
{},
opts =>
createInstanceWithProcessingUnits(opts.instanceName, opts.projectId),
)
.example(
'node $0 createInstanceWithProcessingUnits "my-instance" "my-project-id"',
)
.wrap(120)
.recommendCommands()
.epilogue('For more information, see https://cloud.google.com/spanner/docs')
.strict()
.help().argv;