Class: StackdriverSimple

Inherits:
Object
  • Object
show all
Defined in:
lib/stackdriver_simple.rb

Instance Method Summary collapse

Constructor Details

#initialize(google_cloud_project:) ⇒ StackdriverSimple

Returns a new instance of StackdriverSimple.

Raises:

  • (ArgumentError) 


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# File 'lib/stackdriver_simple.rb', line 7

def initialize(google_cloud_project:)
  @google_cloud_project = google_cloud_project.to_s

  raise ArgumentError if @google_cloud_project.include?(" ")
end

Instance Method Details

#submit_gauge(name, value) ⇒ Object

This assumes the following ENV var is set:

  • GOOGLE_APPLICATION_CREDENTIALS=<path-to-credentials>

Raises:

  • (ArgumentError) 


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# File 'lib/stackdriver_simple.rb', line 16

def submit_gauge(name, value)
  raise ArgumentError, "name cannot include spaces" if name.to_s.include?(" ")
  raise ArgumentError, "name cannot include /" if name.to_s.include?("/")
  raise ArgumentError, "value cannot be nil" if value.nil?

  client = Google::Cloud::Monitoring.metric_service #do |config|
  # The client can be initialised with a block to explicitly provide credentials. This
  # gem is already published  with the assumption that credentials will be loaded automatically
  # based on the GOOGLE_APPLICATION_CREDENTIALS env var, and I don't have the energy to change
  # that behaviour for now.
  # client = Google::Cloud::Monitoring.metric_service do |config|
  #  config.credentials = "/path/to/credentials.json"
  #end

  project_name = Google::Cloud::Monitoring::V3::MetricService::Paths.project_path(project: @google_cloud_project)

  series = Google::Cloud::Monitoring::V3::TimeSeries.new
  metric = Google::Api::Metric.new type: "custom.googleapis.com/#{name}"
  series.metric = metric

  resource = Google::Api::MonitoredResource.new type: "global"
  series.resource = resource

  point = Google::Cloud::Monitoring::V3::Point.new
  point.value = Google::Cloud::Monitoring::V3::TypedValue.new double_value: value
  now = Time.now
  end_time = Google::Protobuf::Timestamp.new seconds: now.to_i, nanos: now.usec
  point.interval = Google::Cloud::Monitoring::V3::TimeInterval.new end_time: end_time
  series.points << point

  client.create_time_series name: project_name, time_series: [series]
end