Class: CfDeployer::Driver::CloudFormation

Inherits:
Object
  • Object
show all
Defined in:
lib/cf_deployer/driver/cloud_formation_driver.rb

Instance Method Summary collapse

Constructor Details

#initialize(stack_name) ⇒ CloudFormation

Returns a new instance of CloudFormation.



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 5

def initialize stack_name
  @stack_name = stack_name
end

Instance Method Details

#create_stack(template, opts) ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 13

def create_stack template, opts
  CfDeployer::Driver::DryRun.guard "Skipping create_stack" do
    cloud_formation.stacks.create @stack_name, template, opts
  end
end

#delete_stack ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 53

def delete_stack
  if stack_exists?
    CfDeployer::Driver::DryRun.guard "Skipping create_stack" do
      aws_stack.delete
    end
  else
    Log.info "Stack #{@stack_name} does not exist!"
  end
end

#outputs ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 37

def outputs
  aws_stack.outputs.inject({}) do |memo, o|
    memo[o.key] = o.value
    memo
  end
end

#parameters ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 44

def parameters
  aws_stack.parameters
end

#query_output(key) ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 48

def query_output key
  output = aws_stack.outputs.find { |o| o.key == key }
  output && output.value
end

#resource_statuses ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 63

def resource_statuses
  resources = {}
  aws_stack.resource_summaries.each do |rs|
    resources[rs[:resource_type]] ||= {}
    resources[rs[:resource_type]][rs[:physical_resource_id]] = rs[:resource_status]
  end
  resources
end

#stack_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 9

def stack_exists?
  aws_stack.exists?
end

#stack_status ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 33

def stack_status
  aws_stack.status.downcase.to_sym
end

#template ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 72

def template
  aws_stack.template
end

#update_stack(template, opts) ⇒ Object 



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# File 'lib/cf_deployer/driver/cloud_formation_driver.rb', line 19

def update_stack template, opts
  begin
    CfDeployer::Driver::DryRun.guard "Skipping update_stack" do
      aws_stack.update opts.merge(:template => template)
    end
  rescue AWS::CloudFormation::Errors::ValidationError => e
    if e.message =~ /No updates are to be performed/
      Log.info e.message
    else
      raise
    end
  end
end