Google Cloud Ruby Client

Idiomatic Ruby client for Google Cloud Platform services.

This client supports the following Google Cloud Platform services at a Beta quality level:

BigQuery (Beta)
Cloud Datastore (Beta)
Stackdriver Logging (Beta)
Cloud Storage (Beta)
Cloud Vision API (Beta)

This client supports the following Google Cloud Platform services at an Alpha quality level:

Cloud DNS (Alpha)
Cloud Natural Language API (Alpha)
Cloud Pub/Sub (Alpha)
Cloud Resource Manager (Alpha)
Cloud Speech API (Alpha)
Cloud Translation API (Alpha)

The support for each service is distributed as a separate gem. However, for your convenience, the google-cloud gem lets you install the entire collection.

If you need support for other Google APIs, check out the Google API Ruby Client library.

Quick Start

$ gem install google-cloud

The google-cloud gem shown above provides all of the individual service gems in the google-cloud-ruby project, making it easy to explore Google Cloud Platform. To avoid unnecessary dependencies, you can also install the service gems independently.

Authentication

In general, the google-cloud-ruby library uses Service Account credentials to connect to Google Cloud services. When running on Compute Engine the credentials will be discovered automatically. When running on other environments, the Service Account credentials can be specified by providing the path to the JSON keyfile for the account (or the JSON itself) in environment variables. Additionally, Cloud SDK credentials can also be discovered automatically, but this is only recommended during development.

General instructions, environment variables, and configuration options are covered in the general Authentication guide for the google-cloud umbrella package. Specific instructions and environment variables for each individual service are linked from the README documents listed below for each service.

The preview examples below demonstrate how to provide the Project ID and Credentials JSON file path directly in code.

BigQuery (Beta)

Quick Start

$ gem install google-cloud-bigquery

Preview

require "google/cloud/bigquery"

bigquery = Google::Cloud::Bigquery.new(
  project: "my-todo-project",
  keyfile: "/path/to/keyfile.json"
)

# Create a new table to archive todos
dataset = bigquery.dataset "my-todo-archive"
table = dataset.create_table "todos",
          name: "Todos Archive",
          description: "Archive for completed TODO records"

# Load data into the table
file = File.open "/archive/todos/completed-todos.csv"
load_job = table.load file

# Run a query for the number of completed todos by owner
count_sql = "SELECT owner, COUNT(*) AS complete_count FROM todos GROUP BY owner"
data = bigquery.query count_sql
data.each do |row|
  puts row["name"]
end

Cloud Datastore (Beta)

Follow the activation instructions to use the Google Cloud Datastore API with your project.

Quick Start

$ gem install google-cloud-datastore

Preview

require "google/cloud/datastore"

datastore = Google::Cloud::Datastore.new(
  project: "my-todo-project",
  keyfile: "/path/to/keyfile.json"
)

# Create a new task to demo datastore
task = datastore.entity "Task", "sampleTask" do |t|
  t["type"] = "Personal"
  t["done"] = false
  t["priority"] = 4
  t["description"] = "Learn Cloud Datastore"
end

# Save the new task
datastore.save task

# Run a query for all completed tasks
query = datastore.query("Task").
  where("done", "=", false)
tasks = datastore.run query

Cloud DNS (Alpha)

Quick Start

$ gem install google-cloud-dns

Preview

require "google/cloud/dns"

dns = Google::Cloud::Dns.new

# Retrieve a zone
zone = dns.zone "example-com"

# Update records in the zone
change = zone.update do |tx|
  tx.add     "www", "A",  86400, "1.2.3.4"
  tx.remove  "example.com.", "TXT"
  tx.replace "example.com.", "MX", 86400, ["10 mail1.example.com.",
                                           "20 mail2.example.com."]
  tx.modify "www.example.com.", "CNAME" do |r|
    r.ttl = 86400 # only change the TTL
  end
end

Stackdriver Logging (Beta)

Quick Start

$ gem install google-cloud-logging

Preview

require "google/cloud/logging"

logging = Google::Cloud::Logging.new

# List all log entries
logging.entries.each do |e|
  puts "[#{e.timestamp}] #{e.log_name} #{e.payload.inspect}"
end

# List only entries from a single log
entries = logging.entries filter: "log:syslog"

# Write a log entry
entry = logging.entry
entry.payload = "Job started."
entry.log_name = "my_app_log"
entry.resource.type = "gae_app"
entry.resource.labels[:module_id] = "1"
entry.resource.labels[:version_id] = "20150925t173233"

logging.write_entries entry

Cloud Natural Language API (Alpha)

Quick Start

$ gem install google-cloud-language

Preview

require "google/cloud/language"

language = Google::Cloud::Language.new

content = "Star Wars is a great movie. The Death Star is fearsome."
document = language.document content
annotation = document.annotate

annotation.entities.count #=> 3
annotation.sentiment.score #=> 0.10000000149011612
annotation.sentiment.magnitude #=> 1.100000023841858
annotation.sentences.count #=> 2
annotation.tokens.count #=> 13

Cloud Pub/Sub (Alpha)

Quick Start

$ gem install google-cloud-pubsub

Preview

require "google/cloud/pubsub"

pubsub = Google::Cloud::Pubsub.new(
  project: "my-todo-project",
  keyfile: "/path/to/keyfile.json"
)

# Retrieve a topic
topic = pubsub.topic "my-topic"

# Publish a new message
msg = topic.publish "new-message"

# Retrieve a subscription
sub = pubsub.subscription "my-topic-sub"

# Pull available messages
msgs = sub.pull

Cloud Resource Manager (Alpha)

Quick Start

$ gem install google-cloud-resource_manager

Preview

require "google/cloud/resource_manager"

resource_manager = Google::Cloud::ResourceManager.new

# List all projects
resource_manager.projects.each do |project|
  puts projects.project_id
end

# Label a project as production
project = resource_manager.project "tokyo-rain-123"
project.update do |p|
  p.labels["env"] = "production"
end

# List only projects with the "production" label
projects = resource_manager.projects filter: "labels.env:production"

Cloud Speech API (Alpha)

Quick Start

$ gem install google-cloud-speech

Preview

require "google/cloud/speech"

speech = Google::Cloud::Speech.new

audio = speech.audio "path/to/audio.raw",
                     encoding: :raw, sample_rate: 16000
results = audio.recognize

result = results.first
result.transcript #=> "how old is the Brooklyn Bridge"
result.confidence #=> 0.9826789498329163

Cloud Storage (Beta)

Quick Start

$ gem install google-cloud-storage

Preview

require "google/cloud/storage"

storage = Google::Cloud::Storage.new(
  project: "my-todo-project",
  keyfile: "/path/to/keyfile.json"
)

bucket = storage.bucket "task-attachments"

file = bucket.file "path/to/my-file.ext"

# Download the file to the local file system
file.download "/tasks/attachments/#{file.name}"

# Copy the file to a backup bucket
backup = storage.bucket "task-attachment-backups"
file.copy backup, file.name

Cloud Translation API (Alpha)

Quick Start

$ gem install google-cloud-translate

Preview

require "google/cloud/translate"

translate = Google::Cloud::Translate.new

translation = translate.translate "Hello world!", to: "la"

puts translation #=> Salve mundi!

translation.from #=> "en"
translation.origin #=> "Hello world!"
translation.to #=> "la"
translation.text #=> "Salve mundi!"

Cloud Vision API (Beta)

Quick Start

$ gem install google-cloud-vision

Preview

require "google/cloud/vision"

vision = Google::Cloud::Vision.new

image = vision.image "path/to/landmark.jpg"

landmark = image.landmark
landmark.description #=> "Mount Rushmore"

Supported Ruby Versions

google-cloud-ruby is supported on Ruby 2.0+.

Versioning

This library follows Semantic Versioning.

Please note it is currently under active development. Any release versioned 0.x.y is subject to backwards incompatible changes at any time.

Beta: Libraries defined at a Beta quality level are expected to be mostly stable and we're working towards their release candidate. We will address issues and requests with a higher priority.

Alpha: Libraries defined at an Alpha quality level are still a work-in-progress and are more likely to get backwards-incompatible updates.

Contributing

Contributions to this library are always welcome and highly encouraged.

See CONTRIBUTING for more information on how to get started.

Please note that this project is released with a Contributor Code of Conduct. By participating in this project you agree to abide by its terms. See Code of Conduct for more information.

License

This library is licensed under Apache 2.0. Full license text is available in LICENSE.

Support

Please report bugs at the project on Github. Don't hesitate to ask questions about the client or APIs on StackOverflow.

Name		Name	Last commit message	Last commit date
Latest commit History 2,616 Commits
acceptance/data		acceptance/data
build		build
docs		docs
gcloud		gcloud
google-cloud-bigquery		google-cloud-bigquery
google-cloud-core		google-cloud-core
google-cloud-datastore		google-cloud-datastore
google-cloud-dns		google-cloud-dns
google-cloud-env		google-cloud-env
google-cloud-error_reporting		google-cloud-error_reporting
google-cloud-language		google-cloud-language
google-cloud-logging		google-cloud-logging
google-cloud-monitoring		google-cloud-monitoring
google-cloud-pubsub		google-cloud-pubsub
google-cloud-resource_manager		google-cloud-resource_manager
google-cloud-spanner		google-cloud-spanner
google-cloud-speech		google-cloud-speech
google-cloud-storage		google-cloud-storage
google-cloud-trace		google-cloud-trace
google-cloud-translate		google-cloud-translate
google-cloud-vision		google-cloud-vision
google-cloud		google-cloud
integration		integration
stackdriver-core		stackdriver-core
stackdriver		stackdriver
.appveyor.yml		.appveyor.yml
.gitignore		.gitignore
.travis.yml		.travis.yml
AUTHENTICATION.md		AUTHENTICATION.md
CODE_OF_CONDUCT.md		CODE_OF_CONDUCT.md
CONTRIBUTING.md		CONTRIBUTING.md
Gemfile		Gemfile
LICENSE		LICENSE
README.md		README.md
RELEASING.md		RELEASING.md
Rakefile		Rakefile
Vagrantfile		Vagrantfile
circle.yml		circle.yml
keyfile.json.enc		keyfile.json.enc

License

reklov/google-cloud-ruby

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Google Cloud Ruby Client

Quick Start

Authentication

BigQuery (Beta)

Quick Start

Preview

Cloud Datastore (Beta)

Quick Start

Preview

Cloud DNS (Alpha)

Quick Start

Preview

Stackdriver Logging (Beta)

Quick Start

Preview

Cloud Natural Language API (Alpha)

Quick Start

Preview

Cloud Pub/Sub (Alpha)

Quick Start

Preview

Cloud Resource Manager (Alpha)

Quick Start

Preview

Cloud Speech API (Alpha)

Quick Start

Preview

Cloud Storage (Beta)

Quick Start

Preview

Cloud Translation API (Alpha)

Quick Start

Preview

Cloud Vision API (Beta)

Quick Start

Preview

Supported Ruby Versions

Versioning

Contributing

License

Support

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