Class: Veewee::Provider::Kvm::Provider

Inherits:
Core::Provider show all
Defined in:
lib/veewee/provider/kvm/provider.rb

Instance Attribute Summary

Attributes inherited from Core::Provider

#env, #name, #options, #type

Instance Method Summary collapse

Methods inherited from Core::Provider

available?, #gem_available?, #gems_available?, #get_box, #initialize, #ui

Methods included from Core::Helper::Shell

#shell_exec

Constructor Details

This class inherits a constructor from Veewee::Provider::Core::Provider

Instance Method Details

#build(definition_name, box_name, options) ⇒ Object 



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# File 'lib/veewee/provider/kvm/provider.rb', line 61

def build(definition_name,box_name,options)

  super(definition_name,box_name,options)

end

#check_requirements ⇒ Object

Translate the definition ssh options to ssh options that can be passed to Net::Ssh calls We expect plain ssh for a connection



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# File 'lib/veewee/provider/kvm/provider.rb', line 11

def check_requirements
  ["ruby-libvirt","fog"].each do |gemname|
    unless gem_available?(gemname)
      raise Veewee::Error,"The kvm provider requires the gem '#{gemname}' to be installed\n"    + "gem install #{gemname}"
    end
  end

  env.logger.info "Checking for version of libvirt"
  begin
    require 'libvirt'
    env.logger.info "Opening a libvirt connection to qemu:///system"
    conn = ::Libvirt::open("qemu:///system")
    env.logger.info "Libvirt connection established"

    env.logger.info "Found capabilities:"
    env.logger.info "#{conn.capabilities}"

    env.logger.info "Checking available storagepools"
    pools=conn.list_storage_pools
    env.logger.info "Storagepools: #{pools.join(',')}"
    if pools.count < 1
      raise Veewee::Error,"You need at least one (active) storage pool defined. This needs to be available if you connect to qemu:///system"
    end

    #env.logger.info "Checking available networks"
    #networks=conn.list_networks
    #env.logger.info "Networks: #{networks.join(',')}"
    #if networks.count < 1
    #  raise Veewee::Error,"You need at least one (active) network defined. This needs to be available if you connect to qemu:///system"
    #end

    # http://www.libvirt.org/html/libvirt-libvirt.html#virGetVersion
    # format major * 1,000,000 + minor * 1,000 + release
    env.logger.info "Checking libvirt version"
    libvirt_version=conn.version
    if libvirt_version < 8003
      raise Veewee::Error,"You need at least libvirt version 0.8.3 or higher "
    end
    conn.close
  rescue Exception => ex
    raise Veewee::Error, "There was a problem opening a connection to libvirt: #{ex}"
  end

  unless self.shell_exec("arp").status == 0
    raise Veewee::Error,"Could not execute the arp command. This is required to find the IP address of the VM"
  end

end