class Instana::Snapshot::FargateTask

Describes the current process in terms of its existence inside of a Fargate task @since 1.197.0

Constants

ID

Public Class Methods

new(metadata_uri: ENV['ECS_CONTAINER_METADATA_URI']) click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 11
def initialize(metadata_uri: ENV['ECS_CONTAINER_METADATA_URI'])
  @metadata_uri = URI(metadata_uri)
  @client = Backend::RequestClient.new(@metadata_uri.host, @metadata_uri.port, use_ssl: @metadata_uri.scheme == "https")
end

Public Instance Methods

data() click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 21
def data
  {
    taskArn: task_metadata['TaskARN'],
    clusterArn: task_metadata['Cluster'],
    taskDefinition: task_metadata['Family'],
    taskDefinitionVersion: task_metadata['Revision'],
    availabilityZone: task_metadata['AvailabilityZone'],
    desiredStatus: task_metadata['DesiredStatus'],
    knownStatus: task_metadata['KnownStatus'],
    pullStartedAt: task_metadata['PullStartedAt'],
    pullStoppedAt: task_metadata['PullStoppedAt'],
    instanaZone: instana_zone,
    tags: instana_tags
  }.reject { |_, v| v.nil? }
end
entity_id() click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 16
def entity_id
  task_metadata['TaskARN']
end
Also aliased as: host_name
host_name()
Alias for: entity_id
snapshot() click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 37
def snapshot
  {
    name: ID,
    entityId: entity_id,
    data: data
  }
end

Private Instance Methods

instana_tags() click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 55
def instana_tags
  ENV.fetch('INSTANA_TAGS', '')
     .split(/,/)
     .map { |t| t.include?('=') ? t.split('=', 2) : [t, nil] }
     .to_h
end
instana_zone() click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 51
def instana_zone
  ENV['INSTANA_ZONE']
end
lookup(resource) click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 62
def lookup(resource)
  path = @metadata_uri.path + resource
  response = @client.send_request('GET', path)

  raise "Unable to get `#{path}`. Got `#{response.code}`." unless response.ok?

  response.json
end
task_metadata() click to toggle source
# File lib/instana/snapshot/fargate_task.rb, line 47
def task_metadata
  lookup('/task')
end