Module: Common::Utils::CredentialsInfo

Defined in:
lib/fluent/plugin/common.rb

Overview

TODO: This functionality should eventually be available in another library, but implement it ourselves for now.

Class Method Summary collapse

Class Method Details

.extract_project_id(str) ⇒ Object

Extracts the project id (either name or number) from str and returns it (as a string) on success, or nil on failure.

Recognizes IAM format ([email protected]) as well as the legacy format with a project number at the front of the string, terminated by a dash (-) which is not part of the ID, i.e.: <PROJECT_ID>-<OTHER_PARTS>.apps.googleusercontent.com



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# File 'lib/fluent/plugin/common.rb', line 389

def self.extract_project_id(str)
  [/^.*@(?<project_id>.+)\.iam\.gserviceaccount\.com/,
   /^(?<project_id>\d+)-/].each do |exp|
    match_data = exp.match(str)
    return match_data['project_id'] unless match_data.nil?
  end
  nil
end

.project_id ⇒ Object

Determine the project ID from the credentials, if possible. Returns the project ID (as a string) on success, or nil on failure.



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# File 'lib/fluent/plugin/common.rb', line 367

def self.project_id
  creds = Google::Auth.get_application_default(LOGGING_SCOPE)
  return creds.project_id if creds.respond_to?(:project_id) && creds.project_id

  if creds.issuer
    id = extract_project_id(creds.issuer)
    return id unless id.nil?
  end
  if creds.client_id
    id = extract_project_id(creds.client_id)
    return id unless id.nil?
  end
  nil
end