Class: Pipely::Deploy::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/pipely/deploy/client.rb

Overview

Client for managing deployment of rendered definitions.

Defined Under Namespace

Classes: PipelineDeployerError

Instance Method Summary collapse

Constructor Details

#initialize(log = nil) ⇒ Client

Returns a new instance of Client.



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# File 'lib/pipely/deploy/client.rb', line 29

def initialize(log=nil)
  @log = log || Logger.new(STDOUT)
  @data_pipelines = Fog::AWS::DataPipeline.new
  @aws = AWS::DataPipeline.new.client
end

Instance Method Details

#create_pipeline(pipeline_name, definition, tags = {}) ⇒ Object 



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# File 'lib/pipely/deploy/client.rb', line 83

def create_pipeline(pipeline_name, definition, tags={})
  definition_objects = JSON.parse(definition)['objects']

  unique_id = UUIDTools::UUID.random_create

  created_pipeline = @data_pipelines.pipelines.create(
    unique_id: unique_id,
    name: pipeline_name,
    tags: default_tags.merge(tags)
  )

  created_pipeline.put(definition_objects)
  created_pipeline.activate

  created_pipeline.id
end

#delete_pipeline(pipeline_id) ⇒ Object 



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# File 'lib/pipely/deploy/client.rb', line 100

def delete_pipeline(pipeline_id)
  @data_pipelines.pipelines.get(pipeline_id).destroy
end

#deploy_pipeline(pipeline_basename, definition) ⇒ Object 



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# File 'lib/pipely/deploy/client.rb', line 35

def deploy_pipeline(pipeline_basename, definition)
  pipeline_name = [
    ('P' if ENV['env'] == 'production'),
    ENV['USER'],
    pipeline_basename
  ].compact.join(':')

  tags = { "basename" => pipeline_basename }

  # Get a list of all existing pipelines
  pipeline_ids = existing_pipelines(pipeline_name)
  @log.info("#{pipeline_ids.count} existing pipelines: #{pipeline_ids}")

  # Create new pipeline
  created_pipeline_id = create_pipeline(pipeline_name,
                                        definition,
                                        tags)
  @log.info("Created pipeline id '#{created_pipeline_id}'")

  # Delete old pipelines
  pipeline_ids.each do |pipeline_id|
    begin
      delete_pipeline(pipeline_id)
      @log.info("Deleted pipeline '#{pipeline_id}'")

    rescue PipelineDeployerError => error
      @log.warn(error)
    end
  end
end

#existing_pipelines(pipeline_name) ⇒ Object 



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# File 'lib/pipely/deploy/client.rb', line 66

def existing_pipelines(pipeline_name)
  ids = []
  marker = nil

  begin
    options = marker ? { marker: marker } : {}
    result = @aws.list_pipelines(options)

    ids += result[:pipeline_id_list].
             select { |p| p[:name] == pipeline_name }.
             map { |p| p[:id] }

  end while (result[:has_more_results] && marker = result[:marker])

  ids
end