Class: Fog::Image::OpenStack::Real

Inherits:
Object
  • Object
show all
Defined in:
lib/fog/openstack/image.rb,
lib/fog/openstack/requests/image/get_image.rb,
lib/fog/openstack/requests/image/set_tenant.rb,
lib/fog/openstack/requests/image/create_image.rb,
lib/fog/openstack/requests/image/delete_image.rb,
lib/fog/openstack/requests/image/update_image.rb,
lib/fog/openstack/requests/image/get_image_by_id.rb,
lib/fog/openstack/requests/image/get_image_members.rb,
lib/fog/openstack/requests/image/get_shared_images.rb,
lib/fog/openstack/requests/image/list_public_images.rb,
lib/fog/openstack/requests/image/add_member_to_image.rb,
lib/fog/openstack/requests/image/update_image_members.rb,
lib/fog/openstack/requests/image/remove_member_from_image.rb,
lib/fog/openstack/requests/image/list_public_images_detailed.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Real

Returns a new instance of Real.



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# File 'lib/fog/openstack/image.rb', line 94

def initialize(options={})
  require 'multi_json'

  @openstack_auth_token = options[:openstack_auth_token]

  unless @openstack_auth_token
    missing_credentials = Array.new
    @openstack_api_key  = options[:openstack_api_key]
    @openstack_username = options[:openstack_username]

    missing_credentials << :openstack_api_key  unless @openstack_api_key
    missing_credentials << :openstack_username unless @openstack_username
    raise ArgumentError, "Missing required arguments: #{missing_credentials.join(', ')}" unless missing_credentials.empty?
  end

  @openstack_tenant               = options[:openstack_tenant]
  @openstack_auth_uri             = URI.parse(options[:openstack_auth_url])
  @openstack_management_url       = options[:openstack_management_url]
  @openstack_must_reauthenticate  = false
  @openstack_service_type         = options[:openstack_service_type] || ['image']
  @openstack_service_name         = options[:openstack_service_name]
  @openstack_endpoint_type        = options[:openstack_endpoint_type] || 'adminURL'
  @openstack_region               = options[:openstack_region]

  @connection_options = options[:connection_options] || {}

  @current_user = options[:current_user]
  @current_tenant = options[:current_tenant]

  authenticate

  @persistent = options[:persistent] || false
  @connection = Fog::Connection.new("#{@scheme}://#{@host}:#{@port}", @persistent, @connection_options)
end

Instance Attribute Details

#current_tenant ⇒ Object (readonly)

Returns the value of attribute current_tenant.



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# File 'lib/fog/openstack/image.rb', line 92

def current_tenant
  @current_tenant
end

#current_user ⇒ Object (readonly)

Returns the value of attribute current_user.



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# File 'lib/fog/openstack/image.rb', line 91

def current_user
  @current_user
end

Instance Method Details

#add_member_to_image(image_id, tenant_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/add_member_to_image.rb', line 5

def add_member_to_image(image_id, tenant_id)
  request(
    :expects => [200, 204],
    :method  => 'PUT',
    :path    => "images/#{image_id}/members/#{tenant_id}"
  )
end

#create_image(attributes) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/create_image.rb', line 6

def create_image(attributes)
  data = {
    'Content-Type'=>'application/octet-stream',
    'x-image-meta-name' => attributes[:name],
    'x-image-meta-disk-format' => attributes[:disk_format],
    'x-image-meta-container-format' => attributes[:container_format],
    'x-image-meta-size' => attributes[:size],
    'x-image-meta-is-public' => attributes[:is_public],
    'x-image-meta-min-ram'  => attributes[:min_ram],
    'x-image-meta-min-disk' => attributes[:min_disk],
    'x-image-meta-checksum' => attributes[:checksum],
    'x-image-meta-owner' => attributes[:owner],
    'x-glance-api-copy-from' => attributes[:copy_from]
  }.reject { |k,v| v.nil? }

  body = String.new
  if attributes[:location]
    body = File.open(attributes[:location], "rb")
    # Make sure the image file size is always present
    data['x-image-meta-size'] = File.size(body)
  end

  unless attributes[:properties].nil?
    attributes[:properties].each do |key,value|
      data["x-image-meta-property-#{key}"] = value
    end
  end

  request(
    :headers  => data,
    :body     => body,
    :expects  => 201,
    :method   => 'POST',
    :path     => "images"
  )
ensure
  body.close if body.respond_to?(:close)
end

#credentials ⇒ Object 



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# File 'lib/fog/openstack/image.rb', line 129

def credentials
  { :provider                 => 'openstack',
    :openstack_auth_url       => @openstack_auth_uri.to_s,
    :openstack_auth_token     => @auth_token,
    :openstack_management_url => @openstack_management_url,
    :current_user             => @current_user,
    :current_tenant           => @current_tenant }
end

#delete_image(image_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/delete_image.rb', line 6

def delete_image(image_id)
  request(
    :expects  => 200,
    :method   => 'DELETE',
    :path     => "images/#{image_id}"
  )
end

#get_image(image_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/get_image.rb', line 5

def get_image(image_id)
  request(
    :expects => [200, 204],
    :method  => 'HEAD',
    :path    => "images/#{image_id}"
  )
end

#get_image_by_id(image_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/get_image_by_id.rb', line 5

def get_image_by_id(image_id)
  request(
    :expects => [200, 204],
    :method  => 'GET',
    :path    => "images/#{image_id}"
  )
end

#get_image_members(image_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/get_image_members.rb', line 5

def get_image_members(image_id)
  request(
    :expects => [200, 204],
    :method  => 'GET',
    :path    => "images/#{image_id}/members"
  )
end

#get_shared_images(tenant_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/get_shared_images.rb', line 5

def get_shared_images(tenant_id)
  request(
    :expects => [200, 204],
    :method  => 'GET',
    :path    => "shared-images/#{tenant_id}"
  )
end

#list_public_images ⇒ Object 



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# File 'lib/fog/openstack/requests/image/list_public_images.rb', line 5

def list_public_images
  request(
    :expects => [200, 204],
    :method  => 'GET',
    :path    => 'images'
  )
end

#list_public_images_detailed(attribute = nil, query = nil) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/list_public_images_detailed.rb', line 5

def list_public_images_detailed(attribute=nil, query=nil)

  if attribute
    path = "images/detail?#{attribute}=#{URI::encode(query)}"
  else
    path = 'images/detail'
  end

  request(
    :expects => [200, 204],
    :method  => 'GET',
    :path    => path
  )
end

#reload ⇒ Object 



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# File 'lib/fog/openstack/image.rb', line 138

def reload
  @connection.reset
end

#remove_member_from_image(image_id, member_id) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/remove_member_from_image.rb', line 5

def remove_member_from_image(image_id, member_id)
  request(
    :expects => [200, 204],
    :method  => 'DELETE',
    :path    => "images/#{image_id}/members/#{member_id}"
  )
end

#request(params) ⇒ Object 



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# File 'lib/fog/openstack/image.rb', line 142

def request(params)
  begin
    response = @connection.request(params.merge({
      :headers  => {
        'Content-Type' => 'application/json',
        'X-Auth-Token' => @auth_token
      }.merge!(params[:headers] || {}),
      :host     => @host,
      :path     => "#{@path}/#{params[:path]}"#,
      # Causes errors for some requests like tenants?limit=1
      # :query    => ('ignore_awful_caching' << Time.now.to_i.to_s)
    }))
  rescue Excon::Errors::Unauthorized => error
    if error.response.body != 'Bad username or password' # token expiration
      @openstack_must_reauthenticate = true
      authenticate
      retry
    else # bad credentials
      raise error
    end
  rescue Excon::Errors::HTTPStatusError => error
    raise case error
    when Excon::Errors::NotFound
      Fog::Compute::OpenStack::NotFound.slurp(error)
    else
      error
    end
  end
  unless response.body.empty?
    response.body = MultiJson.decode(response.body)
  end
  response
end

#set_tenant(tenant) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/set_tenant.rb', line 6

def set_tenant(tenant)
  @openstack_must_reauthenticate = true
  @openstack_tenant = tenant.to_s
  authenticate
end

#update_image(attributes) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/update_image.rb', line 6

def update_image(attributes)

 data = {
      "x-image-meta-name" => attributes[:name],
      "x-image-meta-disk-format" => attributes[:disk_format],
      "x-image-meta-container-format" => attributes[:container_format],
      "x-image-meta-size" => attributes[:size],
      "x-image-meta-is-public" => attributes[:is_public],
      "x-image-meta-min-ram"  => attributes[:min_ram],
      "x-image-meta-min-disk" => attributes[:min_disk],
      "x-image-meta-checksum" => attributes[:checksum],
      "x-image-meta-owner" => attributes[:owner]
  }

  unless attributes[:properties].nil?
    attributes[:properties].each do |key,value|
      data["x-image-meta-property-#{key}"] = value
    end
  end

  request(
    :headers  => data,
    :expects  => 200,
    :method   => 'PUT',
    :path     => "images/#{attributes[:id]}"
  )
end

#update_image_members(image_id, members) ⇒ Object 



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# File 'lib/fog/openstack/requests/image/update_image_members.rb', line 5

def update_image_members(image_id, members)
  # Sample members
  # [
  #   {'member_id' => 'tenant1', 'can_share' => true  },
  #   {'member_id' => 'tenant2', 'can_share' => false }
  # ]
  data = { 'memberships' => members }

  request(
    :body    => MultiJson.encode(data),
    :expects => [200, 202],
    :method  => 'PUT',
    :path    => "images/#{image_id}/members"
  )
end