varconfig={projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'};vardatastore=require('@google-cloud/datastore')(config);varstorage=require('@google-cloud/storage')(config);

varstorage=require('@google-cloud/storage')();// ...you're good to go! See the next section to get started using the APIs.

vardatastore=require('@google-cloud/datastore');

vardatastoreClient=datastore({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});varkey=datastoreClient.key(['Product','Computer']);datastoreClient.get(key,function(err,entity){console.log(err||entity);});// Save data to Datastore.varblogPostData={title: 'How to make the perfect homemade pasta',author: 'Andrew Chilton',isDraft: true};varblogPostKey=datastoreClient.key('BlogPost');datastoreClient.save({key: blogPostKey,data: blogPostData},function(err){// `blogPostKey` has been updated with an ID so you can do more operations// with it, such as an update.blogPostData.isDraft=false;datastoreClient.save({key: blogPostKey,data: blogPostData},function(err){if(!err){// The blog post is now published!}});});

varlanguage=require('@google-cloud/language');

varlanguageClient=language({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});varcontent='Hello, world!';vartype=language.v1.types.Document.Type.PLAIN_TEXT;vardocument={content : content,type : type};languageClient.analyzeSentiment({document: document}).then(function(responses){varresponse=responses[0];// doThingsWith(response)}).catch(function(err){console.error(err);});

varstorage=require('@google-cloud/storage');

varfs=require('fs');vargcs=storage({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Create a new bucket.gcs.createBucket('my-new-bucket',function(err,bucket){if(!err){// "my-new-bucket" was successfully created.}});// Reference an existing bucket.varbucket=gcs.bucket('my-existing-bucket');// Upload a local file to a new file to be created in your bucket.bucket.upload('/photos/zoo/zebra.jpg',function(err,file){if(!err){// "zebra.jpg" is now in your bucket.}});// Download a file from your bucket.bucket.file('giraffe.jpg').download({destination: '/photos/zoo/giraffe.jpg'},function(err){});// Streams are also supported for reading and writing files.varremoteReadStream=bucket.file('giraffe.jpg').createReadStream();varlocalWriteStream=fs.createWriteStream('/photos/zoo/giraffe.jpg');remoteReadStream.pipe(localWriteStream);varlocalReadStream=fs.createReadStream('/photos/zoo/zebra.jpg');varremoteWriteStream=bucket.file('zebra.jpg').createWriteStream();localReadStream.pipe(remoteWriteStream);

vartranslate=require('@google-cloud/translate');

vartranslateClient=translate({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Translate a string of text.translateClient.translate('Hello','es',function(err,translation){if(!err){// translation = 'Hola'}});// Detect a language from a string of text.translateClient.detect('Hello',function(err,results){if(!err){// results ={// language: 'en',// confidence: 1,// input: 'Hello'// }}});// Get a list of supported languages.translateClient.getLanguages(function(err,languages){if(!err){// languages = [// 'af',// 'ar',// 'az',// ...// ]}});

varlogging=require('@google-cloud/logging');

varloggingClient=logging({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Create a sink using a Bucket as a destination.vargcs=storage();loggingClient.createSink('my-new-sink',{destination: gcs.bucket('my-sink')},function(err,sink){});// Write a critical entry to a log.varsyslog=loggingClient.log('syslog');varmetadata={resource: {type: 'gce_instance',labels: {zone: 'global',instance_id: '3'}}};varentry=syslog.entry(metadata,{delegate: process.env.user});syslog.critical(entry,function(err){});// Get all entries in your project.loggingClient.getEntries(function(err,entries){if(!err){// `entries` contains all of the entries from the logs in your project.}});

constFirestore=require('@google-cloud/firestore');

constfirestore=newFirestore({projectId: 'YOUR_PROJECT_ID',keyFilename: '/path/to/keyfile.json',});constdocument=firestore.doc('posts/intro-to-firestore');// Enter new data into the document.document.set({title: 'Welcome to Firestore',body: 'Hello World',}).then(()=>{// Document created successfully.});// Update an existing document.document.update({body: 'My first Firestore app',}).then(()=>{// Document updated successfully.});// Read the document.document.get().then(doc=>{// Document read successfully.});// Delete the document.document.delete().then(()=>{// Document deleted successfully.});

varpubsub=require('@google-cloud/pubsub');

varpubsubClient=pubsub({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Reference a topic that has been previously created.vartopic=pubsubClient.topic('my-topic');// Publish a message to the topic.varpublisher=topic.publisher();varmessage=newBuffer('New message!');publisher.publish(message,function(err,messageId){});// Subscribe to the topic.topic.createSubscription('subscription-name',function(err,subscription){// Register listeners to start pulling for messages.functiononError(err){}functiononMessage(message){}subscription.on('error',onError);subscription.on('message',onMessage);// Remove listeners to stop pulling for messages.subscription.removeListener('message',onMessage);subscription.removeListener('error',onError);});

varspanner=require('@google-cloud/spanner');

varspannerClient=spanner({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});varinstance=spannerClient.instance('my-instance');vardatabase=instance.database('my-database');// Create a table.varschema=` CREATE TABLE Singers ( SingerId INT64 NOT NULL, FirstName STRING(1024), LastName STRING(1024), SingerInfo BYTES(MAX), ) PRIMARY KEY(SingerId)`;database.createTable(schema,function(err,table,operation){if(err){// Error handling omitted.}operation.on('error',function(err){}).on('complete',function(){// Table created successfully.});});// Insert data into the table.vartable=database.table('Singers');table.insert({SingerId: 10,FirstName: 'Eddie',LastName: 'Wilson'},function(err){if(!err){// Row inserted successfully.}});// Run a query as a readable object stream.database.runStream('SELECT * FROM Singers').on('error',function(err){}).on('data',function(row){// row.toJSON() ={// SingerId: 10,// FirstName: 'Eddie',// LastName: 'Wilson'// }}}).on('end',function(){// All results retrieved.});

varspeech=require('@google-cloud/speech');

varspeechClient=speech({projectId: 'my-project',keyFilename: '/path/to/keyfile.json'});varlanguageCode='en-US';varsampleRateHertz=44100;varencoding=speech.v1.types.RecognitionConfig.AudioEncoding.FLAC;varconfig={languageCode : languageCode,sampleRateHertz : sampleRateHertz,encoding : encoding};varuri='gs://gapic-toolkit/hello.flac';varaudio={uri : uri};varrequest={config: config,audio: audio};speechClient.recognize(request).then(function(responses){varresponse=responses[0];// doThingsWith(response)}).catch(function(err){console.error(err);});

varvision=require('@google-cloud/vision');

varvisionClient=vision({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});vargcsImageUri='gs://gapic-toolkit/President_Barack_Obama.jpg';varsource={gcsImageUri : gcsImageUri};varimage={source : source};vartype=vision.v1.types.Feature.Type.FACE_DETECTION;varfeaturesElement={type : type};varfeatures=[featuresElement];varrequestsElement={image : image,features : features};varrequests=[requestsElement];visionClient.batchAnnotateImages({requests: requests}).then(function(responses){varresponse=responses[0];// doThingsWith(response)}).catch(function(err){console.error(err);});

varbigquery=require('@google-cloud/bigquery');

varbigqueryClient=bigquery({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Access an existing dataset and table.varschoolsDataset=bigqueryClient.dataset('schools');varschoolsTable=schoolsDataset.table('schoolsData');// Import data into a table.schoolsTable.import('/local/file.json',function(err,job){});// Get results from a query job.varjob=bigqueryClient.job('job-id');// Use a callback.job.getQueryResults(function(err,rows){});// Or get the same results as a readable stream.job.getQueryResults().on('data',function(row){});

varmonitoring=require('@google-cloud/monitoring');

varclient=monitoring.metric({// optional auth parameters.});// Iterate over all elements.varformattedName=client.projectPath(projectId);client.listMonitoredResourceDescriptors({name: formattedName}).then(function(responses){varresources=responses[0];for(vari=0;i<resources.length;++i){// doThingsWith(resources[i])}}).catch(function(err){console.error(err);});// Or obtain the paged response.varformattedName=client.projectPath(projectId);varoptions={autoPaginate: false};functioncallback(responses){// The actual resources in a response.varresources=responses[0];// The next request if the response shows there's more responses.varnextRequest=responses[1];// The actual response object, if necessary.// var rawResponse = responses[2];for(vari=0;i<resources.length;++i){// doThingsWith(resources[i]);}if(nextRequest){// Fetch the next page.returnclient.listMonitoredResourceDescriptors(nextRequest,options).then(callback);}}client.listMonitoredResourceDescriptors({name: formattedName},options).then(callback).catch(function(err){console.error(err);});

varbigtable=require('@google-cloud/bigtable');

varbigtableClient=bigtable({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});varinstance=bigtableClient.instance('my-instance');vartable=instance.table('prezzy');table.getRows(function(err,rows){});// Update a row in your table.varrow=table.row('alincoln');row.save('follows:gwashington',1,function(err){if(err){// Error handling omitted.}row.get('follows:gwashington',function(err,data){if(err){// Error handling omitted.}// data ={// follows:{// gwashington: [//{// value: 1// }// ]// }// }});});

vardns=require('@google-cloud/dns');

vardnsClient=dns({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Create a managed zone.dnsClient.createZone('my-new-zone',{dnsName: 'my-domain.com.'},function(err,zone){});// Reference an existing zone.varzone=dnsClient.zone('my-existing-zone');// Create an NS record.varnsRecord=zone.record('ns',{ttl: 86400,name: 'my-domain.com.',data: 'ns-cloud1.googledomains.com.'});zone.addRecords([nsRecord],function(err,change){});// Create a zonefile from the records in your zone.zone.export('/zonefile.zone',function(err){});

varresource=require('@google-cloud/resource');

varresourceClient=resource({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Get all of the projects you maintain.resourceClient.getProjects(function(err,projects){if(!err){// `projects` contains all of your projects.}});// Get the metadata from your project. (defaults to `grape-spaceship-123`)varproject=resourceClient.project();project.getMetadata(function(err,metadata){// `metadata` describes your project.});

varcompute=require('@google-cloud/compute');

vargce=compute({projectId: 'grape-spaceship-123',keyFilename: '/path/to/keyfile.json'});// Create a new VM using the latest OS image of your choice.varzone=gce.zone('us-central1-a');varname='ubuntu-http';zone.createVM(name,{os: 'ubuntu'},function(err,vm,operation){// `operation` lets you check the status of long-running tasks.operation.on('error',function(err){}).on('running',function(metadata){}).on('complete',function(metadata){// Virtual machine created!});});

require('@google-cloud/debug-agent').start({allowExpressions: true});

varerrors=require('@google-cloud/error-reporting')();

errors.report(newError('Something broke!'));

vartrace=require('@google-cloud/trace-agent').start();