Class: VCenterDriver::ClusterComputeResource

Inherits:
Object
  • Object
show all
Includes:
Memoize
Defined in:
lib/host.rb

Overview

Class ClusterComputeResource

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Memoize

#[], #[]=, #clear, #clear_all

Constructor Details

#initialize(item, vi_client = nil) ⇒ ClusterComputeResource

Returns a new instance of ClusterComputeResource.



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# File 'lib/host.rb', line 79

def initialize(item, vi_client = nil)
    @item = item
    @vi_client = vi_client
    @rp_list # rubocop:disable Lint/Void
end

Instance Attribute Details

#item ⇒ Object

Returns the value of attribute item.



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# File 'lib/host.rb', line 74

def item
  @item
end

#rp_list ⇒ Object

Returns the value of attribute rp_list.



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# File 'lib/host.rb', line 75

def rp_list
  @rp_list
end

Class Method Details

.new_from_ref(ref, vi_client) ⇒ Object 



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# File 'lib/host.rb', line 981

def self.new_from_ref(ref, vi_client)
    new(
        RbVmomi::VIM::ClusterComputeResource
        .new(
            vi_client.vim,
            ref
        ),
        vi_client
    )
end

.to_one(cluster, con_ops, rp, one_cluster_id) ⇒ Object 



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# File 'lib/host.rb', line 907

def self.to_one(cluster, con_ops, rp, one_cluster_id)
    one_host = VCenterDriver::VIHelper.new_one_item(OpenNebula::Host)

    if OpenNebula.is_error?(one_host)
        raise "Could not create host: #{one_host.message}"
    end

    one_cluster_id ||= -1

    rc = one_host
         .allocate(
             cluster[:cluster_name],
             'vcenter',
             'vcenter',
             one_cluster_id.to_i
         )

    if OpenNebula.is_error?(rc)
        raise "Could not allocate host: #{rc.message}"
    end

    template = "VCENTER_HOST=\"#{con_ops[:host]}\"\n"\
               "VCENTER_PASSWORD=\"#{con_ops[:password]}\"\n"\
               "VCENTER_USER=\"#{con_ops[:user]}\"\n"\
               "VCENTER_CCR_REF=\"#{cluster[:cluster_ref]}\"\n"\
               "VCENTER_INSTANCE_ID=\"#{cluster[:vcenter_uuid]}\"\n"\
               "VCENTER_VERSION=\"#{cluster[:vcenter_version]}\"\n"\

    template << "VCENTER_RESOURCE_POOL=\"#{rp}\"" if rp

    template << "VCENTER_PORT=\"#{con_ops[:port]}\"" if con_ops[:port]

    rc = one_host.update(template, false)

    if OpenNebula.is_error?(rc)
        update_error = rc.message
        rc = one_host.delete

        unless OpenNebula.is_error?(rc)
            raise "Could not update host: #{rc.message}"; end

        raise "Could not update host: #{update_error} "\
                  "and could not delete host: #{rc.message}"
    end

    rc = one_host.offline

    if OpenNebula.is_error?(rc)
        update_error = rc.message
        rc = one_host.delete

        unless OpenNebula.is_error?(rc)
            raise "Could not offline host: #{rc.message}"; end

        raise "Could not offline host: #{update_error} "\
                  "and could not delete host: #{rc.message}"
    end

    rc = one_host.enable

    if OpenNebula.is_error?(rc)
        update_error = rc.message
        rc = one_host.delete

        unless OpenNebula.is_error?(rc)
            raise "Could not enable host: #{rc.message}"; end

        raise "Could not enable host: #{update_error} "\
                  "and could not delete host: #{rc.message}"
    end

    one_host
end

Instance Method Details

#datacenter ⇒ Object

rubocop:disable Naming/AccessorMethodName



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# File 'lib/host.rb', line 894

def datacenter # rubocop:disable Naming/AccessorMethodName
    item = @item

    until item.instance_of? RbVmomi::VIM::Datacenter
        item = item.parent
        if item.nil?
            raise 'Could not find the parent Datacenter'
        end
    end

    Datacenter.new(item)
end

#error_monitoring(e, id, vm_ref, _vc_uuid, info = {}) ⇒ Object 



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# File 'lib/host.rb', line 861

def error_monitoring(e, id, vm_ref, _vc_uuid, info = {})
    error_info = ''
    vm_name = info['name'] || nil
    tmp_str = e.inspect
    tmp_str << e.backtrace.join("\n")

    error_info << "VM = [ ID=\"#{id}\", "
    error_info << "VM_NAME=\"#{vm_name}\", "
    error_info << "DEPLOY_ID=\"#{vm_ref}\", "
    error_info <<
        "ERROR=\"#{Base64.encode64(tmp_str).gsub("\n", '')}\"]\n"
end

#fetch_resource_pools(rp, rp_array = []) ⇒ Object 



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# File 'lib/host.rb', line 85

def fetch_resource_pools(rp, rp_array = [])
    rp_array << rp

    rp.resourcePool.each do |child_rp|
        fetch_resource_pools(child_rp, rp_array)
    end

    rp_array
end

#filter_hosts ⇒ Object 



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# File 'lib/host.rb', line 512

def filter_hosts
    view =
        @vi_client
        .vim
        .serviceContent
        .viewManager
        .CreateContainerView(
            {
                # View for Hosts inside this cluster
                :container => @item,
                :type => ['HostSystem'],
                :recursive => true
            }
        )

    pc = @vi_client.vim.serviceContent.propertyCollector

    monitored_properties = [
        'name',
        'runtime.connectionState',
        'summary.hardware.numCpuCores',
        'summary.hardware.memorySize',
        'summary.hardware.cpuModel',
        'summary.hardware.cpuMhz',
        'summary.quickStats.overallCpuUsage',
        'summary.quickStats.overallMemoryUsage'
    ]

    filter_spec = RbVmomi::VIM.PropertyFilterSpec(
        :objectSet => [
            { :obj => view,
            :skip => true,
            :selectSet => [
                RbVmomi::VIM.TraversalSpec(
                    :name => 'traverseEntities',
                    :type => 'ContainerView',
                    :path => 'view',
                    :skip => false
                )
            ] }
        ],
        :propSet => [
            { :type => 'HostSystem', :pathSet => monitored_properties }
        ]
    )

    result = pc.RetrieveProperties(:specSet => [filter_spec])
    view.DestroyView # Destroy the view
    result
end

#get_resource_pool_list(rp = @item .resourcePool, parent_prefix = '', rp_array = []) ⇒ Object 



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# File 'lib/host.rb', line 103

def get_resource_pool_list(
    rp = @item
        .resourcePool,
    parent_prefix = '',
    rp_array = []
)
    current_rp = ''

    if !parent_prefix.empty?
        current_rp << parent_prefix
        current_rp << '/'
    end

    resource_pool, name = rp.collect('resourcePool', 'name')
    current_rp << name if name != 'Resources'

    resource_pool.each do |child_rp|
        get_resource_pool_list(child_rp, current_rp, rp_array)
    end

    rp_info = {}
    rp_info[:name] = current_rp
    rp_info[:ref]  = rp._ref
    rp_array << rp_info unless current_rp.empty?

    rp_array
end

#hostname_to_moref(hostname) ⇒ Object 



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# File 'lib/host.rb', line 497

def hostname_to_moref(hostname)
    result = filter_hosts

    moref = ''
    result.each do |r|
        if r.obj.name == hostname
            moref = r.obj._ref
            break
        end
    end
    raise "Host #{hostname} was not found" if moref.empty?

    moref
end

#monitor ⇒ Object 



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# File 'lib/host.rb', line 300

def monitor
    total_cpu,
    num_cpu_cores,
    effective_cpu,
    total_memory,
    effective_mem,
    num_hosts,
    num_eff_hosts,
    overall_status,
    drs_enabled,
    ha_enabled= @item.collect('summary.totalCpu',
                              'summary.numCpuCores',
                              'summary.effectiveCpu',
                              'summary.totalMemory',
                              'summary.effectiveMemory',
                              'summary.numHosts',
                              'summary.numEffectiveHosts',
                              'summary.overallStatus',
                              'configuration.drsConfig.enabled',
                              'configuration.dasConfig.enabled')

    mhz_core = total_cpu.to_f / num_cpu_cores.to_f
    eff_core = effective_cpu.to_f / mhz_core

    free_cpu  = format('%.2f', eff_core * 100).to_f # rubocop:disable Style/FormatStringToken
    total_cpu = num_cpu_cores.to_f * 100
    used_cpu  = format('%.2f', total_cpu - free_cpu).to_f # rubocop:disable Style/FormatStringToken

    total_mem = total_memory.to_i / 1024
    free_mem  = effective_mem.to_i * 1024

    str_info = ''

    # Get cluster name for informative purposes
    # (replace space with _ if any)
    str_info << 'VCENTER_NAME=' << self['name'].tr(' ', '_') << "\n"

    # System
    str_info << "HYPERVISOR=vcenter\n"
    str_info << 'TOTALHOST=' << num_hosts.to_s << "\n"
    str_info << 'AVAILHOST=' << num_eff_hosts.to_s << "\n"
    str_info << 'STATUS=' << overall_status << "\n"

    # CPU
    str_info << 'CPUSPEED=' << mhz_core.to_s   << "\n"
    str_info << 'TOTALCPU=' << total_cpu.to_s << "\n"
    str_info << 'USEDCPU='  << used_cpu.to_s  << "\n"
    str_info << 'FREECPU='  << free_cpu.to_s << "\n"

    # Memory
    str_info << 'TOTALMEMORY=' << total_mem.to_s << "\n"
    str_info << 'FREEMEMORY='  << free_mem.to_s << "\n"
    str_info << 'USEDMEMORY='  << (total_mem - free_mem).to_s << "\n"

    # DRS enabled
    str_info << 'VCENTER_DRS=' << drs_enabled.to_s << "\n"

    # HA enabled
    str_info << 'VCENTER_HA=' << ha_enabled.to_s << "\n"

    # NSX info
    str_info << nsx_get
    str_info << tz_get

    str_info << monitor_resource_pools(mhz_core)
end

#monitor_customizations ⇒ Object 



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# File 'lib/host.rb', line 874

def monitor_customizations
    customizations =
        self['_connection']
        .serviceContent
        .customizationSpecManager
        .info

    text = ''

    customizations.each do |c|
        t = 'CUSTOMIZATION = [ '
        t << %(NAME = "#{c.name}", )
        t << %(TYPE = "#{c.type}" ]\n)

        text << t
    end

    text
end

#monitor_host_systems ⇒ Object 



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# File 'lib/host.rb', line 563

def monitor_host_systems
    host_info = ''
    result = filter_hosts
    hosts = {}
    result.each do |r|
        hashed_properties = r.to_hash
        if r.obj.is_a?(RbVmomi::VIM::HostSystem)
            hosts[r.obj._ref] = hashed_properties
        end
    end

    hosts.each do |_ref, info|
        next if info['runtime.connectionState'] != 'connected'

        total_cpu = info['summary.hardware.numCpuCores'] * 100
        used_cpu  =
            (
                info['summary.quickStats.overallCpuUsage']
                .to_f / info['summary.hardware.cpuMhz']
                .to_f
            ) * 100
        # Trim precission
        used_cpu  = format('%.2f', used_cpu).to_f # rubocop:disable Style/FormatStringToken
        free_cpu  = total_cpu - used_cpu

        total_memory =
            info['summary.hardware.memorySize']/1024
        used_memory =
            info['summary.quickStats.overallMemoryUsage']*1024
        free_memory = total_memory - used_memory

        host_info <<  "\nHOST=["
        host_info <<  'STATE=on,'
        host_info << 'HOSTNAME="' <<
            info['name'].to_s << '",'
        host_info <<
            'MODELNAME="' <<
            info['summary.hardware.cpuModel'].to_s << '",'
        host_info << 'CPUSPEED=' <<
            info['summary.hardware.cpuMhz'].to_s << ','
        host_info << 'MAX_CPU='     << total_cpu.to_s    << ','
        host_info << 'USED_CPU='    << used_cpu.to_s     << ','
        host_info << 'FREE_CPU='    << free_cpu.to_s     << ','
        host_info << 'MAX_MEM='     << total_memory.to_s << ','
        host_info << 'USED_MEM='    << used_memory.to_s  << ','
        host_info << 'FREE_MEM='    << free_memory.to_s
        host_info << ']'
    end

    host_info
end

#monitor_resource_pools(mhz_core) ⇒ Object 



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# File 'lib/host.rb', line 367

def monitor_resource_pools(mhz_core)
    @rp_list = get_resource_pool_list

    view =
        @vi_client
        .vim
        .serviceContent
        .viewManager
        .CreateContainerView(
            {
                :container => @item, # View for RPs inside this cluster
            :type => ['ResourcePool'],
            :recursive => true
            }
        )

    pc = @vi_client.vim.serviceContent.propertyCollector

    monitored_properties = [
        'config.cpuAllocation.expandableReservation',
        'config.cpuAllocation.limit',
        'config.cpuAllocation.reservation',
        'config.cpuAllocation.shares.level',
        'config.cpuAllocation.shares.shares',
        'config.memoryAllocation.expandableReservation',
        'config.memoryAllocation.limit',
        'config.memoryAllocation.reservation',
        'config.memoryAllocation.shares.level',
        'config.memoryAllocation.shares.shares'
    ]

    filter_spec = RbVmomi::VIM.PropertyFilterSpec(
        :objectSet => [
            { :obj => view,
            :skip => true,
            :selectSet => [
                RbVmomi::VIM.TraversalSpec(
                    :name => 'traverseEntities',
                    :type => 'ContainerView',
                    :path => 'view',
                    :skip => false
                )
            ] }
        ],
        :propSet => [
            {
                :type => 'ResourcePool',
                 :pathSet => monitored_properties
            }
        ]
    )

    result = pc.RetrieveProperties(:specSet => [filter_spec])

    rps = {}
    result.each do |r|
        hashed_properties = r.to_hash
        if r.obj.is_a?(RbVmomi::VIM::ResourcePool)
            rps[r.obj._ref] = hashed_properties
        end
    end

    return '' if rps.empty?

    rp_info = ''

    rps.each  do |ref, info|
        # CPU
        if info['config.cpuAllocation.expandableReservation']
            cpu_expandable = 'YES'
        else
            cpu_expandable = 'NO'
        end
        if info['config.cpuAllocation.limit'] == '-1'
            cpu_limit = 'UNLIMITED'
        else
            cpu_limit = info['config.cpuAllocation.limit']
        end
        cpu_reservation  = info['config.cpuAllocation.reservation']
        cpu_num          = cpu_reservation.to_f / mhz_core
        cpu_shares_level = info['config.cpuAllocation.shares.level']
        cpu_shares       = info['config.cpuAllocation.shares.shares']

        # MEMORY
        if info['config.memoryAllocation.expandableReservation']
            mem_expandable = 'YES'
        else
            mem_expandable = 'NO'
        end
        if info['config.memoryAllocation.limit'] == '-1'
            mem_limit = 'UNLIMITED'
        else
            mem_limit = info['config.memoryAllocation.limit']
        end
        mem_reservation =
            info['config.memoryAllocation.reservation'].to_f
        mem_shares_level =
            info['config.memoryAllocation.shares.level']
        mem_shares =
            info['config.memoryAllocation.shares.shares']

        rp_name =
            @rp_list
            .select do |item|
                item[:ref] == ref
            end.first[:name] rescue ''

        rp_name = 'Resources' if rp_name.empty?

        rp_info << "\nVCENTER_RESOURCE_POOL_INFO = ["
        rp_info << "NAME=\"#{rp_name}\","
        rp_info << "CPU_EXPANDABLE=#{cpu_expandable},"
        rp_info << "CPU_LIMIT=#{cpu_limit},"
        rp_info << "CPU_RESERVATION=#{cpu_reservation},"
        rp_info << "CPU_RESERVATION_NUM_CORES=#{cpu_num},"
        rp_info << "CPU_SHARES=#{cpu_shares},"
        rp_info << "CPU_SHARES_LEVEL=#{cpu_shares_level},"
        rp_info << "MEM_EXPANDABLE=#{mem_expandable},"
        rp_info << "MEM_LIMIT=#{mem_limit},"
        rp_info << "MEM_RESERVATION=#{mem_reservation},"
        rp_info << "MEM_SHARES=#{mem_shares},"
        rp_info << "MEM_SHARES_LEVEL=#{mem_shares_level}"
        rp_info << ']'
    end

    view.DestroyView

    rp_info
end

#monitor_vms(host_id, vm_type) ⇒ Object 



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# File 'lib/host.rb', line 615

def monitor_vms(host_id, vm_type)
    vc_uuid = @vi_client.vim.serviceContent.about.instanceUuid
    cluster_name = self['name']
    cluster_ref = self['_ref']

    # Get info of the host where the VM/template is located
    one_host =
        VCenterDriver::VIHelper
        .one_item(
            OpenNebula::Host,
            host_id
        )
    if !one_host
        STDERR.puts "Failed to retieve host with id #{host.id}"
        if VCenterDriver::CONFIG[:debug_information]
            STDERR.puts "#{message} #{e.backtrace}"
        end
    end

    esx_hosts = {}
    @item.host.each do |esx_host|
        esx_hosts[esx_host._ref] = {
            :name => esx_host.name,
            :cpu  => esx_host.summary.hardware.cpuMhz.to_f
        }
    end

    monitored_vms = Set.new
    str_info = ''

    view =
        @vi_client
        .vim
        .serviceContent
        .viewManager
        .CreateContainerView(
            {
                :container => @item, # View for VMs inside this cluster
                :type => ['VirtualMachine'],
                :recursive => true
            }
        )

    pc = @vi_client.vim.serviceContent.propertyCollector

    monitored_properties = [
        'name', # VM name
        'config.template', # To filter out templates
        'summary.runtime.powerState', # VM power state
        'summary.quickStats.hostMemoryUsage', # Memory usage
        'summary.quickStats.overallCpuUsage', # CPU used by VM
        'runtime.host', # ESX host
        'resourcePool', # RP
        'guest.guestFullName',
        # IP addresses as seen by guest tools,
        'guest.net',
        'guest.guestState',
        'guest.toolsVersion',
        'guest.toolsRunningStatus',
        # IP addresses as seen by guest tools,
        'guest.toolsVersionStatus2',
        # VM extraconfig info e.g opennebula.vm.running
        'config.extraConfig',
        'config.hardware.numCPU',
        'config.hardware.memoryMB',
        'config.annotation',
        'datastore'
    ]

    filter_spec = RbVmomi::VIM.PropertyFilterSpec(
        :objectSet => [
            { :obj => view,
            :skip => true,
            :selectSet => [
                RbVmomi::VIM.TraversalSpec(
                    :name => 'traverseEntities',
                    :type => 'ContainerView',
                    :path => 'view',
                    :skip => false
                )
            ] }
        ],
        :propSet => [
            {
                :type => 'VirtualMachine',
                 :pathSet => monitored_properties
            }
        ]
    )

    result = pc.RetrieveProperties(:specSet => [filter_spec])

    vms = {}
    vm_objects = []
    result.each do |r|
        hashed_properties = r.to_hash
        next unless r.obj.is_a?(RbVmomi::VIM::VirtualMachine)

        # Only take care of VMs, not templates
        if !hashed_properties['config.template']
            vms[r.obj._ref + '_' + vc_uuid] = hashed_properties
            vm_objects << r.obj
        end
    end

    pm = @vi_client.vim.serviceContent.perfManager

    stats = {}

    max_samples = 9
    refresh_rate = 20 # Real time stats takes samples every 20 seconds

    last_mon_time = one_host['TEMPLATE/VCENTER_LAST_PERF_POLL']

    if last_mon_time
        interval = (Time.now.to_i - last_mon_time.to_i)
        interval = 3601 if interval < 0
        samples = (interval / refresh_rate)
        samples = 1 if samples == 0
        interval > 3600 ? max_samples = 9 : max_samples = samples
    end

    if !vm_objects.empty?
        stats = pm.retrieve_stats(
            vm_objects,
            [
                'net.transmitted',
                'net.bytesRx',
                'net.bytesTx',
                'net.received',
                'virtualDisk.numberReadAveraged',
                'virtualDisk.numberWriteAveraged',
                'virtualDisk.read',
                'virtualDisk.write'
            ],
            {
                :max_samples => max_samples
            }
        ) rescue {}
    end

    if !stats.empty?
        last_mon_time = Time.now.to_i.to_s
    end

    @rp_list ||= get_resource_pool_list

    vm_pool =
        VCenterDriver::VIHelper
        .one_pool(
            OpenNebula::VirtualMachinePool
        )
    # We filter to retrieve only those VMs
    # running in the host that we are monitoring
    host_vms =
        vm_pool
        .retrieve_xmlelements(
            "/VM_POOL/VM[HISTORY_RECORDS/HISTORY/HID='#{host_id}']"
        )

    vms.each do |vm_ref, info|
        vm_info = ''
        begin
            esx_host = esx_hosts[info['runtime.host']._ref]
            info[:esx_host_name] = esx_host[:name]
            info[:esx_host_cpu] = esx_host[:cpu]
            info[:cluster_name] = cluster_name
            info[:cluster_ref] = cluster_ref
            info[:vc_uuid] = vc_uuid
            info[:host_id] = host_id
            info[:rp_list] = @rp_list

            # Check the running flag
            running_flag = info['config.extraConfig'].select do |val|
                val[:key] == 'opennebula.vm.running'
            end

            if !running_flag.empty? && running_flag.first
                running_flag = running_flag[0][:value]
            end

            next if running_flag == 'no'

            id = -1
            # Find the VM by its deploy_id,
            # which in the vCenter driver is
            # the vCenter managed object reference
            found_vm =
                host_vms
                .select do |vm|
                    vm['DEPLOY_ID'] == vm_ref ||
                    vm['DEPLOY_ID'] == VIHelper.get_deploy_id(vm_ref)
                end.first
            id = found_vm['ID'] if found_vm

            # skip if it is a wild and
            # we are looking for OpenNebula VMs
            next if (vm_type == 'ones') && (id == -1)
            # skip if it is not a wild and we are looking for wilds
            next if (vm_type == 'wilds') && (id != -1)
            # skip if already monitored
            next if monitored_vms.include? vm_ref

            monitored_vms << vm_ref

            vm =
                VCenterDriver::VirtualMachine
                .new(
                    @vi_client,
                    vm_ref,
                    id
                )
            vm.vm_info = info
            vm.monitor(stats)

            vm_name = "#{info['name']} - #{cluster_name}"
            vm_info << "VM = [ ID=\"#{id}\", "
            vm_info << "VM_NAME=\"#{vm_name}\", "
            vm_info << "DEPLOY_ID=\"#{vm_ref}\", "

            # if the machine does not exist in
            # opennebula it means that is a wild:
            if vm.one_exist?
                mon_s64 = Base64.strict_encode64(vm.info)
                vm_info << "MONITOR=\"#{mon_s64}\"]\n"
            else
                vm_template64 =
                    Base64
                    .encode64(
                        vm.vm_to_one(vm_name)
                    ).gsub("\n", '')
                vm_info << 'VCENTER_TEMPLATE="YES",'
                vm_info << "IMPORT_TEMPLATE=\"#{vm_template64}\"]\n"
            end
        rescue StandardError => e
            vm_info = error_monitoring(e, id, vm_ref, vc_uuid, info)
        end

        str_info << vm_info
    end

    view.DestroyView # Destroy the view

    [str_info, last_mon_time]
end

#nsx_get ⇒ Object 



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# File 'lib/host.rb', line 131

def nsx_get
    nsx_info = ''
    nsx_obj = {}
    # In the future add more than one nsx manager
    extension_list =
        @vi_client
        .vim
        .serviceContent
        .extensionManager
        .extensionList
    extension_list.each do |ext_list|
        case ext_list.key
        when NSXDriver::NSXConstants::NSXV_EXTENSION_LIST
            nsx_obj['type'] = NSXDriver::NSXConstants::NSXV
            url_full = ext_list.client[0].url
            url_split = url_full.split('/')
            # protocol = "https://"
            protocol = url_split[0] + '//'
            # ip_port = ip:port
            ip_port = url_split[2]
            nsx_obj['url'] = protocol + ip_port
            nsx_obj['version'] = ext_list.version
            nsx_obj['label'] = ext_list.description.label
        when NSXDriver::NSXConstants::NSXT_EXTENSION_LIST
            nsx_obj['type'] = NSXDriver::NSXConstants::NSXT
            nsx_obj['url'] = ext_list.server[0].url
            nsx_obj['version'] = ext_list.version
            nsx_obj['label'] = ext_list.description.label
        else
            next
        end
    end
    unless nsx_obj.empty?
        nsx_info << "NSX_MANAGER=\"#{nsx_obj['url']}\"\n"
        nsx_info << "NSX_TYPE=\"#{nsx_obj['type']}\"\n"
        nsx_info << "NSX_VERSION=\"#{nsx_obj['version']}\"\n"
        nsx_info << "NSX_LABEL=\"#{nsx_obj['label']}\"\n"
    end
    nsx_info
end

#nsx_ready? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/host.rb', line 172

def nsx_ready?
    @one_item =
        VCenterDriver::VIHelper
        .one_item(
            OpenNebula::Host,
            @vi_client
            .instance_variable_get(
                :@host_id
            ).to_i
        )

    # Check if NSX_MANAGER is into the host template
    if [nil, ''].include?(@one_item['TEMPLATE/NSX_MANAGER'])
        @nsx_status = "NSX_STATUS = \"Missing NSX_MANAGER\"\n"
        return false
    end

    # Check if NSX_USER is into the host template
    if [nil, ''].include?(@one_item['TEMPLATE/NSX_USER'])
        @nsx_status = "NSX_STATUS = \"Missing NSX_USER\"\n"
        return false
    end

    # Check if NSX_PASSWORD is into the host template
    if [nil, ''].include?(@one_item['TEMPLATE/NSX_PASSWORD'])
        @nsx_status = "NSX_STATUS = \"Missing NSX_PASSWORD\"\n"
        return false
    end

    # Check if NSX_TYPE is into the host template
    if [nil, ''].include?(@one_item['TEMPLATE/NSX_TYPE'])
        @nsx_status = "NSX_STATUS = \"Missing NSX_TYPE\"\n"
        return false
    end

    # Try a connection as part of NSX_STATUS
    nsx_client = NSXDriver::NSXClient
                 .new_from_id(
                     @vi_client
                     .instance_variable_get(
                         :@host_id
                     ).to_i
                 )

    if @one_item['TEMPLATE/NSX_TYPE'] == NSXDriver::NSXConstants::NSXV
        # URL to test a connection
        url = '/api/2.0/vdn/scopes'
        begin
            if nsx_client.get(url)
                @nsx_status = "NSX_STATUS = \"OK\"\n"
                return true
            else
                @nsx_status =
                    "NSX_STATUS = \"Response code incorrect\"\n"
                return false
            end
        rescue StandardError
            @nsx_status = 'NSX_STATUS = "Error connecting to ' \
                          "NSX_MANAGER\"\n"
            return false
        end
    end

    nxs_type = @one_item['TEMPLATE/NSX_TYPE']
    return unless nxs_type == NSXDriver::NSXConstants::NSXT

    # URL to test a connection
    url = '/api/v1/transport-zones'
    begin
        if nsx_client.get(url)
            @nsx_status = "NSX_STATUS = \"OK\"\n"
            true
        else
            @nsx_status =
                "NSX_STATUS = \"Response code incorrect\"\n"
            false
        end
    rescue StandardError
        @nsx_status = 'NSX_STATUS = "Error connecting to '\
                        "NSX_MANAGER\"\n"
        false
    end
end

#resource_pools ⇒ Object 



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# File 'lib/host.rb', line 95

def resource_pools
    if @resource_pools.nil?
        @resource_pools = fetch_resource_pools(@item.resourcePool)
    end

    @resource_pools
end

#tz_get ⇒ Object 



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# File 'lib/host.rb', line 256

def tz_get
    @nsx_status = ''
    if !nsx_ready?
        tz_info = @nsx_status
    else
        tz_info = "NSX_STATUS = OK\n"
        tz_info << 'NSX_TRANSPORT_ZONES = ['

        nsx_client =
            NSXDriver::NSXClient
            .new_from_id(
                @vi_client
                .instance_variable_get(
                    :@host_id
                ).to_i
            )
        tz_object = NSXDriver::TransportZone.new_child(nsx_client)

        # NSX request to get Transport Zones
        case @one_item['TEMPLATE/NSX_TYPE']
        when NSXDriver::NSXConstants::NSXV
            tzs = tz_object.tzs
            tzs.each do |tz|
                tz_info << tz.xpath('name').text << '="'
                tz_info << tz.xpath('objectId').text << '",'
            end
            tz_info.chomp!(',')
        when NSXDriver::NSXConstants::NSXT
            r = tz_object.tzs
            r['results'].each do |tz|
                tz_info << tz['display_name'] << '="'
                tz_info << tz['id'] << '",'
            end
            tz_info.chomp!(',')
        else
            raise "Unknown Port Group type \
            #{@one_item['TEMPLATE/NSX_TYPE']}"
        end
        tz_info << ']'
        return tz_info
    end
    tz_info
end