Class: VCenterDriver::VmmImporter

Inherits:
VcImporter show all
Defined in:
lib/vmm_importer.rb

Overview

Functionality to import vCenter VMs into OpenNebula

Instance Method Summary collapse

Methods inherited from VcImporter

#get_indexes, import_clusters, new_child, #one_str, #output, #process_import, #retrieve_resources, sanitize, #stdout

Constructor Details

#initialize(one_client, vi_client) ⇒ VmmImporter

Returns a new instance of VmmImporter.



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# File 'lib/vmm_importer.rb', line 6

def initialize(one_client, vi_client)
    super(one_client, vi_client)
    @one_class = OpenNebula::VirtualMachine
    @defaults = {}
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/vmm_importer.rb', line 38

def build
    xml = OpenNebula::VirtualMachine.build_xml
    OpenNebula::VirtualMachine.new(xml, @one_client)
end

#import(selected) ⇒ Object 



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# File 'lib/vmm_importer.rb', line 43

def import(selected)
    import_tmplt = selected['IMPORT_TEMPLATE']
    import_tmplt = Base64.decode64(import_tmplt) if import_tmplt
    vm_ref     = selected['DEPLOY_ID'] || selected[:wild]['DEPLOY_ID']
    vm         = selected[:one_item]   || build
    template   = selected[:template]   || import_tmplt
    template = "DEPLOY_ID = #{vm_ref}\n" + template

    # Index where start GRAPHICS block
    graphics_index = template.index('GRAPHICS = [')
    unless graphics_index.nil?
        # Index where finish GRAPHICS block
        end_of_graphics = template[graphics_index..-1].index(']') + 1

        # GRAPHICS block
        graphics_sub_string =
            template[graphics_index, end_of_graphics]

        # GRAPHICS block with PORT removed
        # OpenNebula will asing a new not used PORT
        graphics_sub_string =
            graphics_sub_string.gsub(/PORT(.*?),[\r\n]/, '')

        # Index where graphics block finish
        before_graphics = template[0, graphics_index]

        # Block after graphics block
        after_graphics =
            template[graphics_index..-1][end_of_graphics..-1]

        # Template with out PORT inside GRAPHICS
        template =
            before_graphics +
            graphics_sub_string +
            after_graphics
    end

    host_id    = selected[:host] || @list.keys[0]

    vc_uuid    = @vi_client.vim.serviceContent.about.instanceUuid
    vc_name    = @vi_client.vim.host
    dpool, ipool, npool, hpool = create_pools

    vc_vm = VCenterDriver::VirtualMachine.new_without_id(@vi_client,
                                                         vm_ref)

    # clear OpenNebula attributes
    vc_vm.clear_tags

    # Importing Wild VMs with snapshots is not supported
    # https://github.com/OpenNebula/one/issues/1268
    if vc_vm.snapshots? && vc_vm.disk_keys.empty?
        raise 'Disk metadata not present and snapshots exist, '\
              'cannot import this VM'
    end

    vname = vc_vm['name']

    type = { :object => 'VM', :id => vname }
    error, template_disks = vc_vm.import_vcenter_disks(vc_uuid, dpool,
                                                       ipool, type)
    raise error unless error.empty?

    template << template_disks

    opts = {
        :vi_client      => @vi_client,
        :vc_uuid        => vc_uuid,
        :npool          => npool,
        :hpool          => hpool,
        :vcenter        => vc_name,
        :template_moref => vm_ref,
        :vm_object      => vc_vm,
        :ipv4           => selected[:ipv4],
        :ipv6           => selected[:ipv6]
    }

    # Create images or get nics information for template
    error, template_nics, ar_ids =
        vc_vm.import_vcenter_nics(opts)
    opts = { :uuid => vc_uuid, :npool => npool, :error => error }
    Raction.delete_ars(ar_ids, opts) unless error.empty?

    template << template_nics
    template << "VCENTER_ESX_HOST = #{vc_vm['runtime.host.name']}\n"

    # Get DS_ID for the deployment, the wild VM needs a System DS
    dc_ref = vc_vm.datacenter.item._ref
    ds_ref = template.match(/^VCENTER_DS_REF *= *"(.*)" *$/)[1]

    ds_one = dpool.select do |e|
        e['TEMPLATE/TYPE'] == 'SYSTEM_DS' &&
            e['TEMPLATE/VCENTER_DS_REF']      == ds_ref &&
            e['TEMPLATE/VCENTER_DC_REF']      == dc_ref &&
            e['TEMPLATE/VCENTER_INSTANCE_ID'] == vc_uuid
    end.first
    opts[:error] = "ds with ref #{ds_ref} is not imported, aborting"
    Raction.delete_ars(ar_ids, opts) unless ds_one

    rc = vm.allocate(template)
    if OpenNebula.is_error?(rc)
        Raction.delete_ars(ar_ids, opts.merge(:error => rc.message))
    end

    rc = vm.deploy(host_id, false, ds_one.id)
    if OpenNebula.is_error?(rc)
        Raction.delete_ars(ar_ids, opts.merge(:error => rc.message))
    end

    # Set reference to template disks and nics in VM template
    vc_vm.one_item = vm

    request_vnc(vc_vm)

    # Sync disks with extraConfig
    vc_vm.reference_all_disks

    vm.id
end

#list(key, list) ⇒ Object 



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# File 'lib/vmm_importer.rb', line 12

def list(key, list)
    @list = { key => list }
end

#request_vnc(vc_vm) ⇒ Object 



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# File 'lib/vmm_importer.rb', line 16

def request_vnc(vc_vm)
    one_vm = vc_vm.one_item
    vnc_port = one_vm['TEMPLATE/GRAPHICS/PORT']
    elapsed_seconds = 0

    # Let's update the info to gather VNC port
    until vnc_port || elapsed_seconds > 30
        sleep(1)
        one_vm.info
        vnc_port = one_vm['TEMPLATE/GRAPHICS/PORT']
        elapsed_seconds += 1
    end

    return unless vnc_port

    extraconfig   = []
    extraconfig  += vc_vm.extraconfig_vnc
    spec_hash     = { :extraConfig => extraconfig }
    spec = RbVmomi::VIM.VirtualMachineConfigSpec(spec_hash)
    vc_vm.item.ReconfigVM_Task(:spec => spec).wait_for_completion
end