Class: VCenterDriver::VCenterVm

Inherits:
Object
  • Object
show all
Defined in:
lib/vcenter_driver.rb

Overview

This class is a high level abstraction of a VI VirtualMachine class with OpenNebula semantics.

Constant Summary collapse

POLL_ATTRIBUTE = 
VirtualMachineDriver::POLL_ATTRIBUTE
VM_STATE = 
VirtualMachineDriver::VM_STATE

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(client, vm_vi) ⇒ VCenterVm

Creates a new VIVm using a RbVmomi::VirtualMachine object

@param client [VCenterClient] client to connect to vCenter
@param vm_vi [RbVmomi::VirtualMachine] it will be used if not nil



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# File 'lib/vcenter_driver.rb', line 1367

def initialize(client, vm_vi )
    @vm     = vm_vi
    @client = client

    @used_cpu    = 0
    @used_memory = 0

    @netrx = 0
    @nettx = 0
end

Instance Attribute Details

#vm ⇒ Object (readonly)

Returns the value of attribute vm.



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# File 'lib/vcenter_driver.rb', line 1357

def vm
  @vm
end

Class Method Details

.attach_nic(deploy_id, mac, bridge, model, host) ⇒ Object

Attach NIC to a VM

@param deploy_id vcenter identifier of the VM
@param mac MAC address of the NIC to be attached
@param bridge name of the Network in vCenter
@param model model of the NIC to be attached
@param host hostname of the ESX where the VM is running



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# File 'lib/vcenter_driver.rb', line 1681

def self.attach_nic(deploy_id, mac, bridge, model, host)
    hid         = VIClient::translate_hostname(host)
    connection  = VIClient.new(hid)

    vm          = connection.find_vm_template(deploy_id)

    spec_hash   = calculate_addnic_spec(vm, mac, bridge, model)

    spec        = RbVmomi::VIM.VirtualMachineConfigSpec({:deviceChange =>
                                                          [spec_hash]})

    vm.ReconfigVM_Task(:spec => spec).wait_for_completion
end

.cancel(deploy_id, hostname, lcm_state, keep_disks, disks, to_template) ⇒ Object

Cancels a VM

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)
@param lcm_state state of the VM
@param keep_disks keep or not VM disks in datastore
@param disks VM attached disks



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# File 'lib/vcenter_driver.rb', line 1406

def self.cancel(deploy_id, hostname, lcm_state, keep_disks, disks, to_template)
    case lcm_state
        when "SHUTDOWN_POWEROFF", "SHUTDOWN_UNDEPLOY"
            shutdown(deploy_id, hostname, lcm_state, keep_disks, disks, to_template)
        when "CANCEL", "LCM_INIT", "CLEANUP_RESUBMIT", "SHUTDOWN", "CLEANUP_DELETE"
            hid         = VIClient::translate_hostname(hostname)
            connection  = VIClient.new(hid)
            vm          = connection.find_vm_template(deploy_id)

            begin
                if vm.summary.runtime.powerState == "poweredOn"
                    vm.PowerOffVM_Task.wait_for_completion
                end
            rescue
            end
            if keep_disks
                detach_all_disks(vm)
            else
                detach_attached_disks(vm, disks, hostname) if disks
            end

            # If the VM was instantiated to persistent, convert the VM to 
            # vCenter VM Template and update the OpenNebula new 
            # VM Template to point to the new vCenter VM Template
            if !to_template.nil?
                vm.MarkAsTemplate

                new_template = OpenNebula::Template.new_with_id(to_template,
                                                     OpenNebula::Client.new)
                new_template.info

                public_cloud_str = "PUBLIC_CLOUD=["

                new_template.to_hash["VMTEMPLATE"]["TEMPLATE"]["PUBLIC_CLOUD"].each{|k,v|
                    if k == "VM_TEMPLATE"
                        public_cloud_str += "VM_TEMPLATE=\"#{deploy_id}\",\n"
                    else
                        public_cloud_str += "#{k}=\"#{v}\",\n"
                    end
                }

                public_cloud_str = public_cloud_str + "]"

                new_template.update(public_cloud_str, true)
            else
                vm.Destroy_Task.wait_for_completion
            end
        else
            raise "LCM_STATE #{lcm_state} not supported for cancel"
    end
end

.create_snapshot(deploy_id, hostname, snapshot_name) ⇒ Object

Create VM snapshot

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)
@param snaphot_name name of the snapshot



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# File 'lib/vcenter_driver.rb', line 1588

def self.create_snapshot(deploy_id, hostname, snapshot_name)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)

    snapshot_hash = {
        :name => snapshot_name,
        :description => "OpenNebula Snapshot of VM #{deploy_id}",
        :memory => true,
        :quiesce => true
    }

    vm          = connection.find_vm_template(deploy_id)

    vm.CreateSnapshot_Task(snapshot_hash).wait_for_completion

    return snapshot_name
end

.delete_snapshot(deploy_id, hostname, snapshot_name) ⇒ Object

Delete VM snapshot

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)
@param snaphot_name name of the snapshot



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# File 'lib/vcenter_driver.rb', line 1630

def self.delete_snapshot(deploy_id, hostname, snapshot_name)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)

    vm          = connection.find_vm_template(deploy_id)

    list = vm.snapshot.rootSnapshotList

    snapshot = find_snapshot(list, snapshot_name)
    return nil if !snapshot

    delete_snapshot_hash = {
        :_this => snapshot,
        :removeChildren => false
    }

    snapshot.RemoveSnapshot_Task(delete_snapshot_hash).wait_for_completion
end

.deploy(xml_text, lcm_state, deploy_id, hostname, datastore = nil) ⇒ Object

Deploys a VM

@xml_text XML representation of the VM



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# File 'lib/vcenter_driver.rb', line 1382

def self.deploy(xml_text, lcm_state, deploy_id, hostname, datastore = nil)
    if lcm_state == "BOOT" || lcm_state == "BOOT_FAILURE"
        return clone_vm(xml_text, hostname, datastore)
    else
        hid         = VIClient::translate_hostname(hostname)
        connection  = VIClient.new(hid)
        vm          = connection.find_vm_template(deploy_id)
        xml         = REXML::Document.new xml_text

        reconfigure_vm(vm, xml, false, hostname)

        vm.PowerOnVM_Task.wait_for_completion
        return vm.config.uuid
    end
end

.detach_nic(deploy_id, mac, host) ⇒ Object

Detach NIC from a VM



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# File 'lib/vcenter_driver.rb', line 1698

def self.detach_nic(deploy_id, mac, host)
    hid         = VIClient::translate_hostname(host)
    connection  = VIClient.new(hid)

    vm   = connection.find_vm_template(deploy_id)

    nic  = vm.config.hardware.device.find { |d|
            is_nic?(d) && (d.macAddress ==  mac)
    }

    raise "Could not find NIC with mac address #{mac}" if nic.nil?

    spec = {
        :deviceChange => [
            :operation => :remove,
            :device => nic
        ]
    }

    vm.ReconfigVM_Task(:spec => spec).wait_for_completion
end

.find_snapshot(list, snapshot_name) ⇒ Object

Find VM snapshot

@param list root list of VM snapshots
@param snaphot_name name of the snapshot



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# File 'lib/vcenter_driver.rb', line 1611

def self.find_snapshot(list, snapshot_name)
    list.each do |i|
        if i.name == snapshot_name
            return i.snapshot
        elsif !i.childSnapshotList.empty?
            snap = find_snapshot(i.childSnapshotList, snapshot_name)
            return snap if snap
        end
    end

    nil
end

.reboot(deploy_id, hostname) ⇒ Object

Reboots a VM

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)



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# File 'lib/vcenter_driver.rb', line 1495

def self.reboot(deploy_id, hostname)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)

    vm          = connection.find_vm_template(deploy_id)

    vm.RebootGuest.wait_for_completion
end

.reconfigure(deploy_id, hostname, xml_text) ⇒ Object

Reconfigures a VM (context data)

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)
@param xml_text XML repsentation of the VM



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# File 'lib/vcenter_driver.rb', line 1726

def self.reconfigure(deploy_id, hostname, xml_text)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)
    vm          = connection.find_vm_template(deploy_id)

    xml = REXML::Document.new xml_text
    context = xml.root.elements["//TEMPLATE/CONTEXT"]

    if context
        context_text = create_context(context)
        context_spec = {
            :extraConfig => [
                { :key=>"guestinfo.opennebula.context",
                  :value=> Base64.encode64(context_text) }
            ]
        }

        spec      = RbVmomi::VIM.VirtualMachineConfigSpec(context_spec)
        vm.ReconfigVM_Task(:spec => spec).wait_for_completion
    end
end

.reset(deploy_id, hostname) ⇒ Object

Resets a VM

@param deploy_id vcetranslate_hostnamnter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)



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# File 'lib/vcenter_driver.rb', line 1509

def self.reset(deploy_id, hostname)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)

    vm          = connection.find_vm_template(deploy_id)

    vm.ResetVM_Task.wait_for_completion
end

.resume(deploy_id, hostname) ⇒ Object

Resumes a VM

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)



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# File 'lib/vcenter_driver.rb', line 1482

def self.resume(deploy_id, hostname)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)
    vm          = connection.find_vm_template(deploy_id)

    vm.PowerOnVM_Task.wait_for_completion
end

.revert_snapshot(deploy_id, hostname, snapshot_name) ⇒ Object

Revert VM snapshot

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)
@param snaphot_name name of the snapshot



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# File 'lib/vcenter_driver.rb', line 1655

def self.revert_snapshot(deploy_id, hostname, snapshot_name)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)

    vm          = connection.find_vm_template(deploy_id)

    list = vm.snapshot.rootSnapshotList

    snapshot = find_snapshot(list, snapshot_name)
    return nil if !snapshot

    revert_snapshot_hash = {
        :_this => snapshot
    }

    snapshot.RevertToSnapshot_Task(revert_snapshot_hash).wait_for_completion
end

.save(deploy_id, hostname, lcm_state) ⇒ Object

Saves a VM

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)



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# File 'lib/vcenter_driver.rb', line 1464

def self.save(deploy_id, hostname, lcm_state)
    case lcm_state
        when "SAVE_MIGRATE"
            raise "Migration between vCenters cluster not supported"
        when "SAVE_SUSPEND", "SAVE_STOP"
            hid         = VIClient::translate_hostname(hostname)
            connection  = VIClient.new(hid)
            vm          = connection.find_vm_template(deploy_id)

            vm.SuspendVM_Task.wait_for_completion
    end
end

.shutdown(deploy_id, hostname, lcm_state, keep_disks, disks, to_template) ⇒ Object

Shutdown a VM

@param deploy_id vcenter identifier of the VM
@param hostname name of the host (equals the vCenter cluster)
@param lcm_state state of the VM
@param keep_disks keep or not VM disks in datastore
@param disks VM attached disks
@param to_template whether this VM has been instantiated as persistent



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# File 'lib/vcenter_driver.rb', line 1527

def self.shutdown(deploy_id, hostname, lcm_state, keep_disks, disks, to_template)
    hid         = VIClient::translate_hostname(hostname)
    connection  = VIClient.new(hid)

    vm          = connection.find_vm_template(deploy_id)

    case lcm_state
        when "SHUTDOWN"
            begin
                vm.ShutdownGuest.wait_for_completion
            rescue
            end
            vm.PowerOffVM_Task.wait_for_completion
            if keep_disks
                detach_all_disks(vm)
            else
                detach_attached_disks(vm, disks, hostname) if disks
            end

            # If the VM was instantiated to persistent, convert the VM to 
            # vCenter VM Template and update the OpenNebula new 
            # VM Template to point to the new vCenter VM Template
            if !to_template.nil?
                vm.MarkAsTemplate

                new_template = OpenNebula::Template.new_with_id(to_template,
                                                    OpenNebula::Client.new)
                new_template.info

                public_cloud_str = "PUBLIC_CLOUD=["

                new_template.to_hash["VMTEMPLATE"]["TEMPLATE"]["PUBLIC_CLOUD"].each{|k,v|
                    if k == "VM_TEMPLATE"
                        public_cloud_str += "VM_TEMPLATE=\"#{deploy_id}\"\n"
                    else
                        public_cloud_str += "#{k}=\"#{v}\",\n"
                    end
                }

                public_cloud_str = public_cloud_str + "]"

                new_template.update(public_cloud_str, true)
            else
                vm.Destroy_Task.wait_for_completion
            end

        when "SHUTDOWN_POWEROFF", "SHUTDOWN_UNDEPLOY"
            begin
                vm.ShutdownGuest.wait_for_completion
            rescue
            end
            vm.PowerOffVM_Task.wait_for_completion
    end
end

Instance Method Details

#info ⇒ Object

Generates a OpenNebula IM Driver valid string with the monitor info



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# File 'lib/vcenter_driver.rb', line 1797

def info
  return 'STATE=d' if @state == 'd'

  str_info = ""

  str_info << "GUEST_IP=" << @guest_ip.to_s << " " if @guest_ip
  if @guest_ip_addresses && !@guest_ip_addresses.empty?
      str_info << "GUEST_IP_ADDRESSES=\\\"" <<
          @guest_ip_addresses.to_s << "\\\" "
  end
  str_info << "#{POLL_ATTRIBUTE[:state]}="  << @state                << " "
  str_info << "#{POLL_ATTRIBUTE[:cpu]}="    << @used_cpu.to_s        << " "
  str_info << "#{POLL_ATTRIBUTE[:memory]}=" << @used_memory.to_s     << " "
  str_info << "#{POLL_ATTRIBUTE[:netrx]}="  << @netrx.to_s           << " "
  str_info << "#{POLL_ATTRIBUTE[:nettx]}="  << @nettx.to_s           << " "
  str_info << "ESX_HOST=\\\""               << @esx_host.to_s        << "\\\" "
  str_info << "GUEST_STATE="                << @guest_state.to_s     << " "
  str_info << "VMWARETOOLS_RUNNING_STATUS=" << @vmware_tools.to_s    << " "
  str_info << "VMWARETOOLS_VERSION="        << @vmtools_ver.to_s     << " "
  str_info << "VMWARETOOLS_VERSION_STATUS=" << @vmtools_verst.to_s   << " "
  str_info << "RESOURCE_POOL=\\\""          << @vm.resourcePool.name << "\\\" "
end

#monitor(host) ⇒ Object

Initialize the vm monitor information



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# File 'lib/vcenter_driver.rb', line 1751

def monitor(host)
    @summary = @vm.summary
    @state   = state_to_c(@summary.runtime.powerState)

    if @state != VM_STATE[:active]
        @used_cpu    = 0
        @used_memory = 0

        @netrx = 0
        @nettx = 0

        return
    end

    @used_memory = @summary.quickStats.hostMemoryUsage * 1024
    cpuMhz       = @vm.runtime.host.summary.hardware.cpuMhz.to_f

    @used_cpu   =
            ((@summary.quickStats.overallCpuUsage.to_f / cpuMhz) * 100).to_s
    @used_cpu   = sprintf('%.2f',@used_cpu).to_s

    # Check for negative values
    @used_memory = 0 if @used_memory.to_i < 0
    @used_cpu    = 0 if @used_cpu.to_i < 0

    @esx_host       = @vm.summary.runtime.host.name
    @guest_ip       = @vm.guest.ipAddress
    @guest_state    = @vm.guest.guestState
    @vmware_tools   = @vm.guest.toolsRunningStatus
    @vmtools_ver    = @vm.guest.toolsVersion
    @vmtools_verst  = @vm.guest.toolsVersionStatus

    guest_ip_addresses = []

    @vm.guest.net.each do |net|
        net.ipConfig.ipAddress.each do |ip|
            guest_ip_addresses << ip.ipAddress
        end if net.ipConfig && net.ipConfig.ipAddress
    end if @vm.guest.net

    @guest_ip_addresses = guest_ip_addresses.join(',')
end

#to_one(host) ⇒ Object

Generates an OpenNebula Template for this VCenterVm



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# File 'lib/vcenter_driver.rb', line 1823

def to_one(host)
    cluster_name = host.cluster_name

    str = "NAME   = \"#{@vm.name} - #{cluster_name}\"\n"\
          "CPU    = \"#{@vm.config.hardware.numCPU}\"\n"\
          "vCPU   = \"#{@vm.config.hardware.numCPU}\"\n"\
          "MEMORY = \"#{@vm.config.hardware.memoryMB}\"\n"\
          "HYPERVISOR = \"vcenter\"\n"\
          "PUBLIC_CLOUD = [\n"\
          "  TYPE        =\"vcenter\",\n"\
          "  VM_TEMPLATE =\"#{@vm.config.uuid}\",\n"\
          "  HOST        =\"#{cluster_name}\"\n"\
          "]\n"\
          "GRAPHICS = [\n"\
          "  TYPE     =\"vnc\",\n"\
          "  LISTEN   =\"0.0.0.0\"\n"\
          "]\n"\
     "SCHED_REQUIREMENTS=\"NAME=\\\"#{cluster_name}\\\"\"\n"\
          "CONTEXT = ["\
          "  NETWORK = \"YES\","\
          "  SSH_PUBLIC_KEY = \"$USER[SSH_PUBLIC_KEY]\" ]"

    if @vm.config.annotation.nil? || @vm.config.annotation.empty?
        str << "DESCRIPTION = \"vCenter Template imported by OpenNebula"\
            " from Cluster #{@vm.runtime.host.parent.name}\"\n"
    else
        notes = @vm.config.annotation.gsub("\\", "\\\\").gsub("\"", "\\\"")
        str << "DESCRIPTION = \"#{notes}\"\n"
    end

    case @vm.guest.guestFullName
        when /CentOS/i
            str << "LOGO=images/logos/centos.png"
        when /Debian/i
            str << "LOGO=images/logos/debian.png"
        when /Red Hat/i
            str << "LOGO=images/logos/redhat.png"
        when /Ubuntu/i
            str << "LOGO=images/logos/ubuntu.png"
        when /Windows XP/i
            str << "LOGO=images/logos/windowsxp.png"
        when /Windows/i
            str << "LOGO=images/logos/windows8.png"
        when /Linux/i
            str << "LOGO=images/logos/linux.png"
    end
    return str
end

#to_one_ds(host, default_ds) ⇒ Object

Generates a Datastore user input



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# File 'lib/vcenter_driver.rb', line 1875

def to_one_ds(host, default_ds)
   # Datastores User Input
   str = ""

   if host.ds_list != ""
       str    =  "M|list|Which datastore you want this VM to run on?|"\
              << "#{host.ds_list}|#{default_ds}"
   end

   return str
end

#to_one_rp(host) ⇒ Object

Generates a Resource Pool user input



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# File 'lib/vcenter_driver.rb', line 1890

def to_one_rp(host)
    # Resource Pool User Input
    str = ""

    if host.rp_list != ""
        str    =  "M|list|Which resource pool you want this VM to run"\
                  " in?|#{host.rp_list}|#{host.rp_list.split(",")[0]}"
    end

    return str
end

#vm_to_one(host) ⇒ Object

Generates an OpenNebula VirtualMachine for this VCenterVm



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# File 'lib/vcenter_driver.rb', line 1907

def vm_to_one(host)
    cluster_name = host.cluster_name

    state = case state_to_c(@summary.runtime.powerState)
                when 'a'
                    "RUNNING"
                when 'd'
                    "POWEROFF"
            end

    str = "NAME   = \"#{@vm.name} - #{cluster_name}\"\n"\
          "CPU    = \"#{@vm.config.hardware.numCPU}\"\n"\
          "vCPU   = \"#{@vm.config.hardware.numCPU}\"\n"\
          "MEMORY = \"#{@vm.config.hardware.memoryMB}\"\n"\
          "HYPERVISOR = \"vcenter\"\n"\
          "PUBLIC_CLOUD = [\n"\
          "  TYPE        =\"vcenter\",\n"\
          "  VM_TEMPLATE =\"#{@vm.config.uuid}\",\n"\
          "  HOST        =\"#{cluster_name}\"\n"\
          "]\n"\
          "IMPORT_VM_ID    = \"#{@vm.config.uuid}\"\n"\
          "IMPORT_STATE   = \"#{state}\"\n"\
          "SCHED_REQUIREMENTS=\"NAME=\\\"#{cluster_name}\\\"\"\n"

    vp     = @vm.config.extraConfig.select{|v|
                                       v[:key].downcase=="remotedisplay.vnc.port"}
    keymap = @vm.config.extraConfig.select{|v|
                                       v[:key].downcase=="remotedisplay.vnc.keymap"}

    if vp.size > 0
        str << "GRAPHICS = [\n"\
               "  TYPE     =\"vnc\",\n"\
               "  LISTEN   =\"0.0.0.0\",\n"\
               "  PORT     =\"#{vp[0][:value]}\"\n"
        str << " ,KEYMAP   =\"#{keymap[0][:value]}\"\n" if keymap[0]
        str << "]\n"
    end

    if @vm.config.annotation.nil? || @vm.config.annotation.empty?
        str << "DESCRIPTION = \"vCenter Virtual Machine imported by"\
            " OpenNebula from Cluster #{cluster_name}\"\n"
    else
        notes = @vm.config.annotation.gsub("\\", "\\\\").gsub("\"", "\\\"")
        str << "DESCRIPTION = \"#{notes}\"\n"
    end

    case @vm.guest.guestFullName
        when /CentOS/i
            str << "LOGO=images/logos/centos.png"
        when /Debian/i
            str << "LOGO=images/logos/debian.png"
        when /Red Hat/i
            str << "LOGO=images/logos/redhat.png"
        when /Ubuntu/i
            str << "LOGO=images/logos/ubuntu.png"
        when /Windows XP/i
            str << "LOGO=images/logos/windowsxp.png"
        when /Windows/i
            str << "LOGO=images/logos/windows8.png"
        when /Linux/i
            str << "LOGO=images/logos/linux.png"
    end

    return str
end