Class: OsCtl::Image::Operations::Image::Instantiate

Inherits:
Base
  • Object
show all
Includes:
Lib::Utils::Log, Lib::Utils::System
Defined in:
lib/osctl/image/operations/image/instantiate.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

run

Constructor Details

#initialize(base_dir, image, opts) ⇒ Instantiate

Returns a new instance of Instantiate.

Parameters:

  • base_dir (String)
  • image (Image)
  • opts (Hash)

Options Hash (opts):

  • :build_dataset (String)
  • :output_dir (String)
  • :vendor (String)
  • :rebuild (Boolean)
  • :ctid (String) 


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# File 'lib/osctl/image/operations/image/instantiate.rb', line 24

def initialize(base_dir, image, opts)
  super()
  @base_dir = base_dir
  @image = image
  @opts = opts
  @client = OsCtldClient.new
  @ctid = opts[:ctid] || gen_ctid
  @reinstall = opts[:ctid] ? true : false
end

Instance Attribute Details

#base_dir ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/osctl/image/operations/image/instantiate.rb', line 11

def base_dir
  @base_dir
end

#client ⇒ Object (readonly, protected)

Returns the value of attribute client.



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 50

def client
  @client
end

#ctid ⇒ Object (readonly, protected)

Returns the value of attribute ctid.



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 50

def ctid
  @ctid
end

#image ⇒ Image (readonly)

Returns:



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 14

def image
  @image
end

#opts ⇒ Object (readonly, protected)

Returns the value of attribute opts.



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 50

def opts
  @opts
end

#reinstall ⇒ Object (readonly, protected)

Returns the value of attribute reinstall.



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 50

def reinstall
  @reinstall
end

Instance Method Details

#create_container(image_path) ⇒ Object (protected) 



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 63

def create_container(image_path)
  if reinstall
    client.stop_container(ctid)
    client.reinstall_container_from_image(
      ctid,
      image_path,
      remove_snapshots: true
    )
  else
    client.create_container_from_file(ctid, image_path)
    sleep(3) # FIXME: wait for osctld...
    client.set_container_attr(
      ctid,
      'org.vpsadminos.osctl-image:type',
      'instance'
    )
  end
end

#execute ⇒ String

Returns ctid.

Returns:

  • (String) —

    ctid



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 35

def execute
  build = Operations::Image::Build.new(base_dir, image, opts)
  build.execute if opts[:rebuild]

  if (!File.exist?(build.output_stream) && !File.exist?(build.output_tar)) \
     || opts[:rebuild]
    build.execute
  end

  instantiate(build)
  ctid
end

#gen_ctid ⇒ Object (protected) 



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 82

def gen_ctid
  "instance-#{SecureRandom.hex(4)}"
end

#instantiate(build) ⇒ Object (protected) 



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# File 'lib/osctl/image/operations/image/instantiate.rb', line 52

def instantiate(build)
  if File.exist?(build.output_stream)
    create_container(build.output_stream)
  elsif File.exist?(build.output_tar)
    create_container(build.output_tar)
  else
    raise OperationError,
          "no image file for '#{build.image}' found in output directory"
  end
end