Class: Humidifier::Reservoir::Stack

Inherits:
Object
  • Object
show all
Defined in:
lib/humidifier/reservoir/stack.rb

Overview

Represents a CloudFormation stack. This contains all of the logic for interfacing with humidifier to deploy stacks, validate them, and display them.

Defined Under Namespace

Classes: Export

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, pattern: nil, prefix: nil) ⇒ Stack

Returns a new instance of Stack



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# File 'lib/humidifier/reservoir/stack.rb', line 22

def initialize(name, pattern: nil, prefix: nil)
  @name    = name
  @pattern = pattern
  @prefix  = prefix
  @exports = []
end

Instance Attribute Details

#exports ⇒ Object (readonly)

Returns the value of attribute exports



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# File 'lib/humidifier/reservoir/stack.rb', line 20

def exports
  @exports
end

#name ⇒ Object (readonly)

Returns the value of attribute name



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# File 'lib/humidifier/reservoir/stack.rb', line 20

def name
  @name
end

#pattern ⇒ Object (readonly)

Returns the value of attribute pattern



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# File 'lib/humidifier/reservoir/stack.rb', line 20

def pattern
  @pattern
end

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix



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# File 'lib/humidifier/reservoir/stack.rb', line 20

def prefix
  @prefix
end

Instance Method Details

#create_change_set ⇒ Object 



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# File 'lib/humidifier/reservoir/stack.rb', line 29

def create_change_set
  return unless ensure_resources
  valid?

  opts = { capabilities: %w[CAPABILITY_IAM CAPABILITY_NAMED_IAM] }
  humidifier_stack.create_change_set(opts)
end

#deploy(wait = false) ⇒ Object 



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# File 'lib/humidifier/reservoir/stack.rb', line 37

def deploy(wait = false)
  return unless ensure_resources
  valid?

  opts = { capabilities: %w[CAPABILITY_IAM CAPABILITY_NAMED_IAM] }
  humidifier_stack.public_send(wait ? :deploy_and_wait : :deploy, opts)
end

#resources ⇒ Object 



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# File 'lib/humidifier/reservoir/stack.rb', line 45

def resources
  Reservoir.files_for(name).each_with_object({}) do |filepath, resources|
    resources.merge!(parse(filepath, File.basename(filepath, '.yml')))
  end
end

#stack_name ⇒ Object 



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# File 'lib/humidifier/reservoir/stack.rb', line 51

def stack_name
  @stack_name ||= "#{prefix || Reservoir.stack_prefix}#{name}"
end

#to_cf ⇒ Object 



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# File 'lib/humidifier/reservoir/stack.rb', line 55

def to_cf
  humidifier_stack.to_cf
end

#upload ⇒ Object 



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# File 'lib/humidifier/reservoir/stack.rb', line 59

def upload
  humidifier_stack.upload
end

#valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/humidifier/reservoir/stack.rb', line 63

def valid?
  humidifier_stack.valid?
rescue Aws::CloudFormation::Errors::AccessDenied
  raise Error, <<~MSG
    The authenticated AWS profile does not have the requisite permissions
    to run this command. Ensure the profile has
    cloudformation:ValidateTemplate.
  MSG
end