Module: Google::Cloud

Defined in:
lib/google-cloud-pubsub.rb,
lib/google/cloud/pubsub.rb,
lib/google/cloud/pubsub/topic.rb,
lib/google/cloud/pubsub/policy.rb,
lib/google/cloud/pubsub/message.rb,
lib/google/cloud/pubsub/project.rb,
lib/google/cloud/pubsub/service.rb,
lib/google/cloud/pubsub/version.rb,
lib/google/cloud/pubsub/topic/list.rb,
lib/google/cloud/pubsub/credentials.rb,
lib/google/cloud/pubsub/subscription.rb,
lib/google/cloud/pubsub/topic/publisher.rb,
lib/google/cloud/pubsub/received_message.rb,
lib/google/cloud/pubsub/subscription/list.rb

Defined Under Namespace

Modules: Pubsub

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.pubsub(project = nil, keyfile = nil, scope: nil, retries: nil, timeout: nil) ⇒ Google::Cloud::Pubsub::Project

Creates a new object for connecting to the Pub/Sub service. Each call creates a new connection.

For more information on connecting to Google Cloud see the Authentication Guide.

Examples:

require "google/cloud/pubsub"

pubsub = Google::Cloud.pubsub

topic = pubsub.topic "my-topic"
topic.publish "task completed"

Parameters:

  • project (String) (defaults to: nil) —

    Project identifier for the Pub/Sub service you are connecting to.

  • keyfile (String, Hash) (defaults to: nil) —

    Keyfile downloaded from Google Cloud. If file path the file must be readable.

  • scope (String, Array<String>) —

    The OAuth 2.0 scopes controlling the set of resources and operations that the connection can access. See Using OAuth 2.0 to Access Google APIs.

    The default scope is:

    • https://www.googleapis.com/auth/pubsub
  • retries (Integer) —

    Number of times to retry requests on server error. The default value is 3. Optional.

  • timeout (Integer) —

    Default timeout to use in requests. Optional.

Returns:



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# File 'lib/google-cloud-pubsub.rb', line 101

def self.pubsub project = nil, keyfile = nil, scope: nil, retries: nil,
                timeout: nil
  require "google/cloud/pubsub"
  project ||= Google::Cloud::Pubsub::Project.default_project
  if ENV["PUBSUB_EMULATOR_HOST"]
    ps = Google::Cloud::Pubsub::Project.new(
      project, :this_channel_is_insecure)
    ps.service.host = ENV["PUBSUB_EMULATOR_HOST"]
    return ps
  end
  if keyfile.nil?
    credentials = Google::Cloud::Pubsub::Credentials.default scope: scope
  else
    credentials = Google::Cloud::Pubsub::Credentials.new(
      keyfile, scope: scope)
  end
  Google::Cloud::Pubsub::Project.new(
    Google::Cloud::Pubsub::Service.new(
      project, credentials, retries: retries, timeout: timeout))
end

Instance Method Details

#pubsub(scope: nil, retries: nil, timeout: nil) ⇒ Google::Cloud::Pubsub::Project

Creates a new object for connecting to the Pub/Sub service. Each call creates a new connection.

For more information on connecting to Google Cloud see the Authentication Guide.

Examples:

require "google/cloud"

gcloud = Google::Cloud.new
pubsub = gcloud.pubsub
topic = pubsub.topic "my-topic"
topic.publish "task completed"

The default scope can be overridden with the scope option:

require "google/cloud"

gcloud  = Google::Cloud.new
platform_scope = "https://www.googleapis.com/auth/cloud-platform"
pubsub = gcloud.pubsub scope: platform_scope

Parameters:

  • scope (String, Array<String>) —

    The OAuth 2.0 scopes controlling the set of resources and operations that the connection can access. See Using OAuth 2.0 to Access Google APIs.

    The default scope is:

    • https://www.googleapis.com/auth/pubsub
  • retries (Integer) —

    Number of times to retry requests on server error. The default value is 3. Optional.

  • timeout (Integer) —

    Default timeout to use in requests. Optional.

Returns:



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# File 'lib/google-cloud-pubsub.rb', line 62

def pubsub scope: nil, retries: nil, timeout: nil
  Google::Cloud.pubsub @project, @keyfile, scope: scope,
                                           retries: (retries || @retries),
                                           timeout: (timeout || @timeout)
end