Class: ActiveAws::CloudFormationProvisioner

Inherits:
Base
  • Object
show all
Defined in:
lib/active_aws/cloud_formation_provisioner.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

configure, inherited, load_config!

Constructor Details

#initialize(name, template_path, parameters = {}) ⇒ CloudFormationProvisioner

Returns a new instance of CloudFormationProvisioner.



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 16

def initialize( name, template_path, parameters={} )
  @name = name
  @template_path = template_path
  @parameters = parameters
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 4

def name
  @name
end

#parameters ⇒ Object (readonly)

Returns the value of attribute parameters.



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 4

def parameters
  @parameters
end

#template_path ⇒ Object (readonly)

Returns the value of attribute template_path.



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 4

def template_path
  @template_path
end

Class Method Details

.client ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 7

def client
  Aws::CloudFormation::Client.new( **configure.default_client_params )
end

.find(stack_name) ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 11

def find( stack_name )
  response = client.describe_stacks( stack_name: stack_name )
end

Instance Method Details

#exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 50

def exists?
  res = self.class.client.describe_stacks( stack_name: normalized_name )
  return res.stacks.length > 0
rescue => e
  return false
end

#normalized_name ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 26

def normalized_name
  # self.class.configure.cfn_stack_name_prefix + name
  name
end

#normalized_parameters ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 31

def normalized_parameters
  parameters.map do |k,v|
    {
      parameter_key: k,
      parameter_value: v,
    }
  end
end

#save! ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 57

def save!
  response = if exists?
    self.class.client.update_stack( self.to_h )
  else
    self.class.client.create_stack( self.to_h )
  end
end

#template_body ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 22

def template_body
  @template_body ||= File.read( template_path )
end

#to_h ⇒ Object 



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 40

def to_h
  {
    stack_name: normalized_name,
    template_body: template_body,
    parameters: normalized_parameters,
    capabilities: ["CAPABILITY_IAM"],
    # on_failure: "DELETE",
  }
end

#wait_until(waiter_name, &block) ⇒ Object

‘waiter_name` can be checked with the command below. ActiveAws::CloudFormationProvisioner.client.waiter_names

Usage: prov.wait_until :instance_running do |i|

i.max_attempts = 5
i.delay = 5

end



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# File 'lib/active_aws/cloud_formation_provisioner.rb', line 73

def wait_until( waiter_name, &block )
  self.class.client.wait_until(waiter_name, stack_name: normalized_name, &block)
end