Module: Chef::Knife::XenserverBase

Included in:
XenserverHostList, XenserverNetworkList, XenserverSrCreate, XenserverSrList, XenserverTemplateCreate, XenserverTemplateList, XenserverVmCreate, XenserverVmDelete, XenserverVmList, XenserverVmPoweroff, XenserverVmPoweron
Defined in:
lib/chef/knife/xenserver_base.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(includer) ⇒ Object 



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# File 'lib/chef/knife/xenserver_base.rb', line 28

def self.included(includer)
  includer.class_eval do

    deps do
      require 'net/ssh/multi'
      require 'readline'
      require 'chef/json_compat'
      require 'terminal-table/import'
    end

    option :xenserver_password,
      :long => "--xenserver-password PASSWORD",
      :description => "Your XenServer password"

    option :xenserver_username,
      :long => "--xenserver-username USERNAME",
      :default => "root",
      :description => "Your XenServer username (default 'root')"

    option :xenserver_host,
      :long => "--xenserver-host ADDRESS",
      :description => "Your XenServer host address"
  end
end

Instance Method Details

#bytes_to_megabytes(bytes) ⇒ Object 



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# File 'lib/chef/knife/xenserver_base.rb', line 94

def bytes_to_megabytes(bytes)
  (bytes.to_i / (1024.0 * 1024.0)).round
end

#connection ⇒ Object 



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# File 'lib/chef/knife/xenserver_base.rb', line 53

def connection
  if not @connection
    host = config[:xenserver_host] || Chef::Config[:knife][:xenserver_host]
    if host.nil?
      ui.error "XenServer host not defined." 
      ui.error "Use --xenserver-host or add it to the knife config file." 
      exit 1
    end
    username = config[:xenserver_username] || Chef::Config[:knife][:xenserver_username]
    password = config[:xenserver_password] || Chef::Config[:knife][:xenserver_password]
    ui.info "Connecting to XenServer host #{host.yellow}..."
    begin
      @connection = Fog::Compute.new({
        :provider => 'XenServer',
        :xenserver_url => host,
        :xenserver_username => username,
        :xenserver_password => password,
      })
    rescue SocketError => e
      ui.error "Error connecting to the hypervisor: #{host}" 
      exit 1
    rescue Fog::XenServer::InvalidLogin => e
      ui.error "Error connecting to the hypervisor: #{host}" 
      ui.error "Check the username and password."
      exit 1
    rescue => e
      ui.error "Error connecting to the hypervisor" 
      ui.error "#{e.class} #{e.message}" 
      exit 1
    end

  else
    @connection
  end
end

#locate_config_value(key) ⇒ Object 



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# File 'lib/chef/knife/xenserver_base.rb', line 89

def locate_config_value(key)
  key = key.to_sym
  Chef::Config[:knife][key] || config[key]
end