Class: Puppet::Provider::Nova

Inherits:
Openstack
  • Object
show all
Extended by:
Openstack::Auth
Defined in:
lib/puppet/provider/nova.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.auth_endpoint ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 118

def self.auth_endpoint
  @auth_endpoint ||= get_auth_endpoint
end

.conf_filename ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 62

def self.conf_filename
  '/etc/nova/nova.conf'
end

.get_auth_endpoint ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 113

def self.get_auth_endpoint
  q = nova_credentials
  "#{q['auth_url']}"
end

.get_nova_credentials ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 81

def self.get_nova_credentials
  #needed keys for authentication
  auth_keys = ['auth_url', 'project_name', 'username', 'password']
  conf = nova_conf
  if conf and conf['keystone_authtoken'] and
      auth_keys.all?{|k| !conf['keystone_authtoken'][k].nil?}
    creds = Hash[ auth_keys.map \
                 { |k| [k, conf['keystone_authtoken'][k].strip] } ]
    if !conf['keystone_authtoken']['region_name'].nil?
      creds['region_name'] = conf['keystone_authtoken']['region_name'].strip
    end

    if !conf['keystone_authtoken']['project_domain_name'].nil?
      creds['project_domain_name'] = conf['keystone_authtoken']['project_domain_name'].strip
    else
      creds['project_domain_name'] = 'Default'
    end

    if !conf['keystone_authtoken']['user_domain_name'].nil?
      creds['user_domain_name'] = conf['keystone_authtoken']['user_domain_name'].strip
    else
      creds['user_domain_name'] = 'Default'
    end

    return creds
  else
    raise(Puppet::Error, "File: #{conf_filename} does not contain all " +
          "required sections.  Nova types will not work if nova is not " +
          "correctly configured.")
  end
end

.nova_conf ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 66

def self.nova_conf
  return @nova_conf if @nova_conf
  @nova_conf = Puppet::Util::IniConfig::File.new
  @nova_conf.read(conf_filename)
  @nova_conf
end

.nova_credentials ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 73

def self.nova_credentials
  @nova_credentials ||= get_nova_credentials
end

.nova_manage_request(*args) ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 39

def self.nova_manage_request(*args)
  # Not using the nova-manage command directly,
  # so we can disable combining of stderr/stdout output.
  args.unshift(Puppet::Util.which('nova-manage'))

  # NOTE(mnaser): We pass the arguments as an array to avoid problems with
  #               symbols in the arguments breaking things.
  Puppet::Util::Execution.execute(args, {
    :uid                => nova_user,
    :failonfail         => true,
    :combine            => false,
    :custom_environment => {}
  })
end

.nova_request(service, action, error, properties = nil) ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 24

def self.nova_request(service, action, error, properties=nil)
  properties ||= []
  @credentials.username = nova_credentials['username']
  @credentials.password = nova_credentials['password']
  @credentials.project_name = nova_credentials['project_name']
  @credentials.auth_url = auth_endpoint
  @credentials.user_domain_name = nova_credentials['user_domain_name']
  @credentials.project_domain_name = nova_credentials['project_domain_name']
  if nova_credentials['region_name']
    @credentials.region_name = nova_credentials['region_name']
  end
  raise error unless @credentials.set?
  Puppet::Provider::Openstack.request(service, action, properties, @credentials)
end

.nova_user ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 58

def self.nova_user
  'nova'
end

.request(service, action, properties = nil) ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 16

def self.request(service, action, properties=nil)
  begin
    super
  rescue Puppet::Error::OpenstackAuthInputError => error
    nova_request(service, action, error, properties)
  end
end

.reset ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 122

def self.reset
  @auth_endpoint = nil
  @nova_conf = nil
  @nova_credentials = nil
end

Instance Method Details

#nova_credentials ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 77

def nova_credentials
  self.class.nova_credentials
end

#nova_manage_request(*args) ⇒ Object 



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# File 'lib/puppet/provider/nova.rb', line 54

def nova_manage_request(*args)
  self.class.nova_manage_request(args)
end