Class: Biosphere::Deployment

Inherits:
Object
  • Object
show all
Defined in:
lib/biosphere/deployment.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Deployment

Returns a new instance of Deployment.



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# File 'lib/biosphere/deployment.rb', line 10

def initialize(*args)

    @parent = nil
    @name = "unnamed"
    if args[0].kind_of?(::Biosphere::Deployment) || args[0].kind_of?(::Biosphere::Suite)
        @parent = args.shift
    elsif args[0].kind_of?(String)
        @name = args.shift
    end

    settings = {}
    @_settings = {}
    if args[0].kind_of?(Hash)
        settings = args.shift
        @_settings = settings
    elsif args[0].kind_of?(::Biosphere::Settings)
        @_settings = args.shift
        settings = @_settings.settings
        @feature_manifests = @_settings.feature_manifests
    end


    @export = {
        "provider" => {},
        "resource" => {},
        "variable" => {},
        "output" => {}
    }

    if @parent.is_a?(::Biosphere::Suite)
        if settings[:deployment_name]
            @name = settings[:deployment_name]
        else
            puts "\nYou need to specify :deployment_name in the Deployment settings. For example:"
            puts "cluster = AdsDeliveryCluster.new(suite, MyDeliveryTestSettings.new({deployment_name: \"my-delivery-test-cluster\"})\n\n"
            raise RuntimeError.new "No :deployment_name specified in Deployment settings"
        end
        
        @parent.register(self)
    elsif @parent
        @node = @parent.node
        @state = @parent.state
        @export = @parent.export
        @parent.register(self)
        
    else
        @node = Node.new
    end

    @delayed = []
    @resources = []
    @actions = {}
    @deployments = []
    @outputs = []

    if @feature_manifests
        node[:feature_manifests] = @feature_manifests
    end

    self.setup(settings)

end

Instance Attribute Details

#_settings ⇒ Object (readonly)

Returns the value of attribute _settings.



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# File 'lib/biosphere/deployment.rb', line 8

def _settings
  @_settings
end

#export ⇒ Object (readonly)

Returns the value of attribute export.



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# File 'lib/biosphere/deployment.rb', line 8

def export
  @export
end

#feature_manifests ⇒ Object (readonly)

Returns the value of attribute feature_manifests.



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# File 'lib/biosphere/deployment.rb', line 8

def feature_manifests
  @feature_manifests
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/biosphere/deployment.rb', line 8

def name
  @name
end

#node ⇒ Object

Returns the value of attribute node.



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# File 'lib/biosphere/deployment.rb', line 9

def node
  @node
end

#state ⇒ Object

Returns the value of attribute state.



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# File 'lib/biosphere/deployment.rb', line 9

def state
  @state
end

Instance Method Details

#delayed(&block) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 104

def delayed(&block)
    delayed_call = {
        :block => block
    }
    @delayed << delayed_call
end

#evaluate_outputs(outputs) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 149

def evaluate_outputs(outputs)

    # Call first sub-deployments
    @deployments.each do |deployment|
        deployment.evaluate_outputs(outputs)
    end
    
    @outputs.each do |output|
        value = outputs[output[:name]]
        instance_exec(output[:name], value["value"], value, &output[:block])
    end
end

#evaluate_resources ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 176

def evaluate_resources()

    # Call first sub-deployments
    @deployments.each do |deployment|
        deployment.evaluate_resources()
    end

    # Then all delayed calls
    @delayed.each do |delayed_call|
        proxy = ResourceProxy.new(self)
        proxy.instance_eval(&delayed_call[:block])
    end

    # And finish with our own resources
    @resources.each do |resource|
        proxy = ResourceProxy.new(self)
        proxy.instance_eval(&resource[:block])

        @export["resource"][resource[:type].to_s][resource[:name].to_s] = proxy.output
    end
end

#load_outputs(tfstate_filename) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 162

def load_outputs(tfstate_filename)

    begin
        tf_state = JSON.parse(File.read(tfstate_filename))
    rescue SystemCallError
        puts "Couldn't read Terraform statefile, can't continue"
        exit
    end

    outputs = tf_state["modules"].first["outputs"]

    evaluate_outputs(outputs)
end

#output(name, value, &block) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 134

def output(name, value, &block)
    @export["output"][name] = {
        "value" => value
    }

    if block_given?
        output = {
            :name => name,
            :block => block
        }

        @outputs << output
    end
end

#provider(name, spec = {}) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 100

def provider(name, spec={})
    @export["provider"][name.to_s] = spec
end

#register(deployment) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 90

def register(deployment)
    @deployments << deployment
end

#resource(type, name, &block) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 111

def resource(type, name, &block)
    @export["resource"][type.to_s] ||= {}
    if @export["resource"][type.to_s][name.to_s]
        throw "Tried to create a resource of type #{type} called '#{name}' when one already exists"
    end

    spec = {}
    resource = {
        :name => name,
        :type => type,
        :location => caller[0] + "a"
    }

    if block_given?
        resource[:block] = block
    else
        STDERR.puts("WARNING: No block set for resource call '#{type}', '#{name}' at #{caller[0]}")
    end

    @resources << resource

end

#setup(settings) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 73

def setup(settings)
end

#to_json(pretty = false) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 198

def to_json(pretty=false)
    if pretty
        return JSON.pretty_generate(@export)
    else
        return JSON.generate(@export)
    end
end

#variable(name, value) ⇒ Object 



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# File 'lib/biosphere/deployment.rb', line 94

def variable(name, value)
    @export["variable"][name] = {
        "default" => value
    }
end