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6.7. 推荐的安装后集群配置

当集群安装完成后，ZTP 管道会应用运行 DU 工作负载所需的以下自定义资源 (CR)。

注意

在 GitOps ZTP v4.10 及更早版本中，您可以使用 MachineConfig CR 配置 UEFI 安全引导。GitOps ZTP v4.11 及更新的版本中不再需要。在 v4.11 中，您可以通过更新用于安装集群的 SiteConfig CR 中的 spec.clusters.nodes.bootMode 字段来为单节点 OpenShift 集群配置 UEFI 安全引导。如需更多信息，请参阅使用 SiteConfig 和 GitOps ZTP 部署受管集群。

6.7.1. Operator

运行 DU 工作负载的单节点 OpenShift 集群需要安装以下 Operator：

  • Local Storage Operator
  • Logging Operator
  • PTP Operator
  • Cluster Network Operator

您还需要配置自定义 CatalogSource CR，禁用默认的 OperatorHub 配置，并配置可从您安装的集群访问的 ImageContentSourcePolicy 镜像 registry。

推荐的 Storage Operator 命名空间和 Operator 组配置 (StorageNS.yaml,StorageOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-local-storage
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: openshift-local-storage
  namespace: openshift-local-storage
  annotations: {}
spec:
  targetNamespaces:
    - openshift-local-storage

推荐的 Cluster Logging Operator 命名空间和 Operator 组配置 (ClusterLogNS.yaml,ClusterLogOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-logging
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  targetNamespaces:
    - openshift-logging

推荐的 PTP Operator 命名空间和 Operator 组配置 (PtpSubscriptionNS.yaml,PtpSubscriptionOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-ptp
  annotations:
    workload.openshift.io/allowed: management
  labels:
    openshift.io/cluster-monitoring: "true"
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: ptp-operators
  namespace: openshift-ptp
  annotations: {}
spec:
  targetNamespaces:
    - openshift-ptp

推荐的 SR-IOV Operator 命名空间和 Operator 组配置 (SriovSubscriptionNS.yaml,SriovSubscriptionOperGroup.yaml)

---
apiVersion: v1
kind: Namespace
metadata:
  name: openshift-sriov-network-operator
  annotations:
    workload.openshift.io/allowed: management
---
apiVersion: operators.coreos.com/v1
kind: OperatorGroup
metadata:
  name: sriov-network-operators
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  targetNamespaces:
    - openshift-sriov-network-operator

推荐的 CatalogSource 配置 (DefaultCatsrc.yaml)

apiVersion: operators.coreos.com/v1alpha1
kind: CatalogSource
metadata:
  name: default-cat-source
  namespace: openshift-marketplace
  annotations:
    target.workload.openshift.io/management: '{"effect": "PreferredDuringScheduling"}'
spec:
  displayName: default-cat-source
  image: $imageUrl
  publisher: Red Hat
  sourceType: grpc
  updateStrategy:
    registryPoll:
      interval: 1h
status:
  connectionState:
    lastObservedState: READY

推荐的 ImageContentSourcePolicy 配置 (DisconnectedICSP.yaml)

apiVersion: operator.openshift.io/v1alpha1
kind: ImageContentSourcePolicy
metadata:
  name: disconnected-internal-icsp
  annotations: {}
spec:
#    repositoryDigestMirrors:
#    - $mirrors

推荐的 OperatorHub 配置 (OperatorHub.yaml)

apiVersion: config.openshift.io/v1
kind: OperatorHub
metadata:
  name: cluster
  annotations: {}
spec:
  disableAllDefaultSources: true

6.7.2. Operator 订阅

运行 DU 工作负载的单节点 OpenShift 集群需要以下 Subscription CR。订阅提供下载以下 Operator 的位置：

  • Local Storage Operator
  • Logging Operator
  • PTP Operator
  • Cluster Network Operator
  • SRIOV-FEC Operator

对于每个 Operator 订阅，指定要从中获取 Operator 的频道。推荐的频道是 stable。

您可以指定 Manual 或 Automatic 更新。在 Automatic 模式中，Operator 会在 registry 中可用时自动更新到频道中最新版本。在 Manual 模式中，只有在被明确批准时才会安装新的 Operator 版本。

提示

对订阅使用 Manual 模式。这可让您控制 Operator 更新在调度的维护窗口中适合的时间。

推荐的 Local Storage Operator 订阅 (StorageSubscription.yaml)

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: local-storage-operator
  namespace: openshift-local-storage
  annotations: {}
spec:
  channel: "stable"
  name: local-storage-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

推荐的 SR-IOV Operator 订阅 (SriovSubscription.yaml)

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: sriov-network-operator-subscription
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  channel: "stable"
  name: sriov-network-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

推荐的 PTP Operator 订阅 (PtpSubscription.yaml)

---
apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: ptp-operator-subscription
  namespace: openshift-ptp
  annotations: {}
spec:
  channel: "stable"
  name: ptp-operator
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

推荐的 Cluster Logging Operator 订阅 (ClusterLogSubscription.yaml)

apiVersion: operators.coreos.com/v1alpha1
kind: Subscription
metadata:
  name: cluster-logging
  namespace: openshift-logging
  annotations: {}
spec:
  channel: "stable"
  name: cluster-logging
  source: redhat-operators-disconnected
  sourceNamespace: openshift-marketplace
  installPlanApproval: Manual
status:
  state: AtLatestKnown

6.7.3. 集群日志记录和日志转发

运行 DU 工作负载的单节点 OpenShift 集群需要日志记录和日志转发以进行调试。需要以下 ClusterLogging 和 ClusterLogForwarder 自定义资源 (CR)。

推荐的集群日志记录配置 (ClusterLogging.yaml)

apiVersion: logging.openshift.io/v1
kind: ClusterLogging
metadata:
  name: instance
  namespace: openshift-logging
  annotations: {}
spec:
  managementState: "Managed"
  collection:
    type: "vector"

推荐的日志转发配置 (ClusterLogForwarder.yaml)

apiVersion: "logging.openshift.io/v1"
kind: ClusterLogForwarder
metadata:
  name: instance
  namespace: openshift-logging
  annotations: {}
spec:
#  outputs: $outputs
#  pipelines: $pipelines

#apiVersion: "logging.openshift.io/v1"
#kind: ClusterLogForwarder
#metadata:
#  name: instance
#  namespace: openshift-logging
#spec:
#  outputs:
#    - type: "kafka"
#      name: kafka-open
#      url: tcp://10.46.55.190:9092/test
#  pipelines:
#  - inputRefs:
#    - audit
#    - infrastructure
#    labels:
#      label1: test1
#      label2: test2
#      label3: test3
#      label4: test4
#    name: all-to-default
#    outputRefs:
#    - kafka-open

将 spec.outputs.url 字段设置为日志转发到的 Kafka 服务器的 URL。

6.7.4. 性能配置集

运行 DU 工作负载的单节点 OpenShift 集群需要 Node Tuning Operator 性能配置集才能使用实时主机功能和服务。

注意

在早期版本的 OpenShift Container Platform 中，Performance Addon Operator 用来实现自动性能优化，以便为 OpenShift 应用程序实现低延迟性能。在 OpenShift Container Platform 4.11 及更新的版本中，这个功能是 Node Tuning Operator 的一部分。

以下示例 PerformanceProfile CR 演示了所需的单节点 OpenShift 集群配置。

推荐的性能配置集配置 (PerformanceProfile.yaml)

apiVersion: performance.openshift.io/v2
kind: PerformanceProfile
metadata:
  # if you change this name make sure the 'include' line in TunedPerformancePatch.yaml
  # matches this name: include=openshift-node-performance-${PerformanceProfile.metadata.name}
  # Also in file 'validatorCRs/informDuValidator.yaml':
  # name: 50-performance-${PerformanceProfile.metadata.name}
  name: openshift-node-performance-profile
  annotations:
    ran.openshift.io/reference-configuration: "ran-du.redhat.com"
spec:
  additionalKernelArgs:
    - "rcupdate.rcu_normal_after_boot=0"
    - "efi=runtime"
    - "vfio_pci.enable_sriov=1"
    - "vfio_pci.disable_idle_d3=1"
    - "module_blacklist=irdma"
  cpu:
    isolated: $isolated
    reserved: $reserved
  hugepages:
    defaultHugepagesSize: $defaultHugepagesSize
    pages:
      - size: $size
        count: $count
        node: $node
  machineConfigPoolSelector:
    pools.operator.machineconfiguration.openshift.io/$mcp: ""
  nodeSelector:
    node-role.kubernetes.io/$mcp: ''
  numa:
    topologyPolicy: "restricted"
  # To use the standard (non-realtime) kernel, set enabled to false
  realTimeKernel:
    enabled: true
  workloadHints:
    # WorkloadHints defines the set of upper level flags for different type of workloads.
    # See https://github.com/openshift/cluster-node-tuning-operator/blob/master/docs/performanceprofile/performance_profile.md#workloadhints
    # for detailed descriptions of each item.
    # The configuration below is set for a low latency, performance mode.
    realTime: true
    highPowerConsumption: false
    perPodPowerManagement: false

表 6.3. 单节点 OpenShift 集群的 PerformanceProfile CR 选项
PerformanceProfile CR 字段描述

metadata.name

确保名称与相关 GitOps ZTP 自定义资源(CR)中设置的以下字段匹配：

  • TunedPerformancePatch.yaml 中的 include=openshift-node-performance-${PerformanceProfile.metadata.name}
  • validatorCRs/informDuValidator.yaml 中的 name: 50-performance-${PerformanceProfile.metadata.name}

spec.additionalKernelArgs

"efi=runtime" 为集群主机配置 UEFI 安全引导。

spec.cpu.isolated

设置隔离的 CPU。确保所有 Hyper-Threading 对都匹配。

重要

保留和隔离的 CPU 池不得重叠，并且必须一起跨越所有可用的内核。未考虑导致系统中未定义的 CPU 内核。

spec.cpu.reserved

设置保留的 CPU。启用工作负载分区时，系统进程、内核线程和系统容器线程仅限于这些 CPU。所有不是隔离的 CPU 都应保留。

spec.hugepages.pages

  • 设置巨页数量(数量)
  • 设置巨页大小(大小)。
  • 将 node 设置为 NUMA 节点，它是 hugepages 分配的位置 (node)

spec.realTimeKernel

将 enabled 设置为 true 以使用实时内核。

spec.workloadHints

使用 workloadHints 为不同类型的工作负载定义顶级标记集合。示例配置为低延迟和高性能配置集群。

6.7.5. 配置集群时间同步

为 control plane 或 worker 节点运行一次性系统时间同步作业。

推荐的 control plane 节点一次同步 (99-sync-time-once-master.yaml)

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 99-sync-time-once-master
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=Sync time once
            After=network-online.target
            Wants=network-online.target
            [Service]
            Type=oneshot
            TimeoutStartSec=300
            ExecCondition=/bin/bash -c 'systemctl is-enabled chronyd.service --quiet && exit 1 || exit 0'
            ExecStart=/usr/sbin/chronyd -n -f /etc/chrony.conf -q
            RemainAfterExit=yes
            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: sync-time-once.service

推荐的 worker 节点一次同步时间 (99-sync-time-once-worker.yaml)

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: worker
  name: 99-sync-time-once-worker
spec:
  config:
    ignition:
      version: 3.2.0
    systemd:
      units:
        - contents: |
            [Unit]
            Description=Sync time once
            After=network-online.target
            Wants=network-online.target
            [Service]
            Type=oneshot
            TimeoutStartSec=300
            ExecCondition=/bin/bash -c 'systemctl is-enabled chronyd.service --quiet && exit 1 || exit 0'
            ExecStart=/usr/sbin/chronyd -n -f /etc/chrony.conf -q
            RemainAfterExit=yes
            [Install]
            WantedBy=multi-user.target
          enabled: true
          name: sync-time-once.service

6.7.6. PTP

单节点 OpenShift 集群使用 Precision Time Protocol (PTP) 进行网络时间同步。以下示例 PtpConfig CR 演示了普通时钟、边界时钟和 grandmaster 时钟所需的 PTP 配置。您应用的确切配置将取决于节点硬件和特定用例。

推荐的 PTP 普通时钟配置 (PtpConfigSlave.yaml)

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: du-ptp-slave
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "slave"
      # The interface name is hardware-specific
      interface: $interface
      ptp4lOpts: "-2 -s"
      phc2sysOpts: "-a -r -n 24"
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      ptp4lConf: |
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        slaveOnly 1
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 255
        clockAccuracy 0xFE
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval 0
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 7
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        max_frequency 900000000
        clock_servo pi
        sanity_freq_limit 200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type OC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0xA0
  recommend:
    - profile: "slave"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

推荐的边界时钟配置 (PtpConfigBoundary.yaml)

apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: boundary
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "boundary"
      ptp4lOpts: "-2"
      phc2sysOpts: "-a -r -n 24"
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      ptp4lConf: |
        # The interface name is hardware-specific
        [$iface_slave]
        masterOnly 0
        [$iface_master_1]
        masterOnly 1
        [$iface_master_2]
        masterOnly 1
        [$iface_master_3]
        masterOnly 1
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        slaveOnly 0
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 248
        clockAccuracy 0xFE
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval -4
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval 0
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 135
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        max_frequency 900000000
        clock_servo pi
        sanity_freq_limit 200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type BC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0xA0
  recommend:
    - profile: "boundary"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

推荐的 PTP Westport Channel e810 grandmaster 时钟配置 (PtpConfigGmWpc.yaml)

# The grandmaster profile is provided for testing only
# It is not installed on production clusters
apiVersion: ptp.openshift.io/v1
kind: PtpConfig
metadata:
  name: grandmaster
  namespace: openshift-ptp
  annotations: {}
spec:
  profile:
    - name: "grandmaster"
      ptp4lOpts: "-2 --summary_interval -4"
      phc2sysOpts: -r -u 0 -m -w -N 8 -R 16 -s $iface_master -n 24
      ptpSchedulingPolicy: SCHED_FIFO
      ptpSchedulingPriority: 10
      ptpSettings:
        logReduce: "true"
      plugins:
        e810:
          enableDefaultConfig: false
          settings:
            LocalMaxHoldoverOffSet: 1500
            LocalHoldoverTimeout: 14400
            MaxInSpecOffset: 100
          pins: $e810_pins
          #  "$iface_master":
          #    "U.FL2": "0 2"
          #    "U.FL1": "0 1"
          #    "SMA2": "0 2"
          #    "SMA1": "0 1"
          ublxCmds:
            - args: #ubxtool -P 29.20 -z CFG-HW-ANT_CFG_VOLTCTRL,1
                - "-P"
                - "29.20"
                - "-z"
                - "CFG-HW-ANT_CFG_VOLTCTRL,1"
              reportOutput: false
            - args: #ubxtool -P 29.20 -e GPS
                - "-P"
                - "29.20"
                - "-e"
                - "GPS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d Galileo
                - "-P"
                - "29.20"
                - "-d"
                - "Galileo"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d GLONASS
                - "-P"
                - "29.20"
                - "-d"
                - "GLONASS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d BeiDou
                - "-P"
                - "29.20"
                - "-d"
                - "BeiDou"
              reportOutput: false
            - args: #ubxtool -P 29.20 -d SBAS
                - "-P"
                - "29.20"
                - "-d"
                - "SBAS"
              reportOutput: false
            - args: #ubxtool -P 29.20 -t -w 5 -v 1 -e SURVEYIN,600,50000
                - "-P"
                - "29.20"
                - "-t"
                - "-w"
                - "5"
                - "-v"
                - "1"
                - "-e"
                - "SURVEYIN,600,50000"
              reportOutput: true
            - args: #ubxtool -P 29.20 -p MON-HW
                - "-P"
                - "29.20"
                - "-p"
                - "MON-HW"
              reportOutput: true
            - args: #ubxtool -P 29.20 -p CFG-MSG,1,38,300
                - "-P"
                - "29.20"
                - "-p"
                - "CFG-MSG,1,38,300"
              reportOutput: true
      ts2phcOpts: " "
      ts2phcConf: |
        [nmea]
        ts2phc.master 1
        [global]
        use_syslog  0
        verbose 1
        logging_level 7
        ts2phc.pulsewidth 100000000
        #cat /dev/GNSS to find available serial port
        #example value of gnss_serialport is /dev/ttyGNSS_1700_0
        ts2phc.nmea_serialport $gnss_serialport
        leapfile  /usr/share/zoneinfo/leap-seconds.list
        [$iface_master]
        ts2phc.extts_polarity rising
        ts2phc.extts_correction 0
      ptp4lConf: |
        [$iface_master]
        masterOnly 1
        [$iface_master_1]
        masterOnly 1
        [$iface_master_2]
        masterOnly 1
        [$iface_master_3]
        masterOnly 1
        [global]
        #
        # Default Data Set
        #
        twoStepFlag 1
        priority1 128
        priority2 128
        domainNumber 24
        #utc_offset 37
        clockClass 6
        clockAccuracy 0x27
        offsetScaledLogVariance 0xFFFF
        free_running 0
        freq_est_interval 1
        dscp_event 0
        dscp_general 0
        dataset_comparison G.8275.x
        G.8275.defaultDS.localPriority 128
        #
        # Port Data Set
        #
        logAnnounceInterval -3
        logSyncInterval -4
        logMinDelayReqInterval -4
        logMinPdelayReqInterval 0
        announceReceiptTimeout 3
        syncReceiptTimeout 0
        delayAsymmetry 0
        fault_reset_interval -4
        neighborPropDelayThresh 20000000
        masterOnly 0
        G.8275.portDS.localPriority 128
        #
        # Run time options
        #
        assume_two_step 0
        logging_level 6
        path_trace_enabled 0
        follow_up_info 0
        hybrid_e2e 0
        inhibit_multicast_service 0
        net_sync_monitor 0
        tc_spanning_tree 0
        tx_timestamp_timeout 50
        unicast_listen 0
        unicast_master_table 0
        unicast_req_duration 3600
        use_syslog 1
        verbose 0
        summary_interval -4
        kernel_leap 1
        check_fup_sync 0
        clock_class_threshold 7
        #
        # Servo Options
        #
        pi_proportional_const 0.0
        pi_integral_const 0.0
        pi_proportional_scale 0.0
        pi_proportional_exponent -0.3
        pi_proportional_norm_max 0.7
        pi_integral_scale 0.0
        pi_integral_exponent 0.4
        pi_integral_norm_max 0.3
        step_threshold 2.0
        first_step_threshold 0.00002
        clock_servo pi
        sanity_freq_limit  200000000
        ntpshm_segment 0
        #
        # Transport options
        #
        transportSpecific 0x0
        ptp_dst_mac 01:1B:19:00:00:00
        p2p_dst_mac 01:80:C2:00:00:0E
        udp_ttl 1
        udp6_scope 0x0E
        uds_address /var/run/ptp4l
        #
        # Default interface options
        #
        clock_type BC
        network_transport L2
        delay_mechanism E2E
        time_stamping hardware
        tsproc_mode filter
        delay_filter moving_median
        delay_filter_length 10
        egressLatency 0
        ingressLatency 0
        boundary_clock_jbod 0
        #
        # Clock description
        #
        productDescription ;;
        revisionData ;;
        manufacturerIdentity 00:00:00
        userDescription ;
        timeSource 0x20
  recommend:
    - profile: "grandmaster"
      priority: 4
      match:
        - nodeLabel: "node-role.kubernetes.io/$mcp"

以下可选 PtpOperatorConfig CR 为节点配置 PTP 事件报告。

推荐的 PTP 事件配置 (PtpOperatorConfigForEvent.yaml)

apiVersion: ptp.openshift.io/v1
kind: PtpOperatorConfig
metadata:
  name: default
  namespace: openshift-ptp
  annotations: {}
spec:
  daemonNodeSelector:
    node-role.kubernetes.io/$mcp: ""
  ptpEventConfig:
    enableEventPublisher: true
    transportHost: "http://ptp-event-publisher-service-NODE_NAME.openshift-ptp.svc.cluster.local:9043"

6.7.7. 扩展的 Tuned 配置集

运行 DU 工作负载的单节点 OpenShift 集群需要额外的高性能工作负载所需的性能调优配置。以下 Tuned CR 示例扩展了 Tuned 配置集：

推荐的扩展 Tuned 配置集配置 (Tuned PerformancePatch.yaml)

apiVersion: tuned.openshift.io/v1
kind: Tuned
metadata:
  name: performance-patch
  namespace: openshift-cluster-node-tuning-operator
  annotations: {}
spec:
  profile:
    - name: performance-patch
      # Please note:
      # - The 'include' line must match the associated PerformanceProfile name, following below pattern
      #   include=openshift-node-performance-${PerformanceProfile.metadata.name}
      # - When using the standard (non-realtime) kernel, remove the kernel.timer_migration override from
      #   the [sysctl] section and remove the entire section if it is empty.
      data: |
        [main]
        summary=Configuration changes profile inherited from performance created tuned
        include=openshift-node-performance-openshift-node-performance-profile
        [scheduler]
        group.ice-ptp=0:f:10:*:ice-ptp.*
        group.ice-gnss=0:f:10:*:ice-gnss.*
        group.ice-dplls=0:f:10:*:ice-dplls.*
        [service]
        service.stalld=start,enable
        service.chronyd=stop,disable
  recommend:
    - machineConfigLabels:
        machineconfiguration.openshift.io/role: "$mcp"
      priority: 19
      profile: performance-patch

表 6.4. 单节点 OpenShift 集群的 Tuned CR 选项
TuneD CR 字段描述

spec.profile.data

  • 您在 spec.profile.data 中设置的 include 行必须与关联的 PerformanceProfile CR 名称匹配。例如 include=openshift-node-performance-${PerformanceProfile.metadata.name}。

6.7.8. SR-IOV

单根 I/O 虚拟化(SR-IOV)通常用于启用前端和中间网络。以下 YAML 示例为单节点 OpenShift 集群配置 SR-IOV。

注意

SriovNetwork CR 的配置会根据您的特定网络和基础架构要求而有所不同。

推荐的 SriovOperatorConfig CR 配置 (SriovOperatorConfig.yaml)

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovOperatorConfig
metadata:
  name: default
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  configDaemonNodeSelector:
    "node-role.kubernetes.io/$mcp": ""
  # Injector and OperatorWebhook pods can be disabled (set to "false") below
  # to reduce the number of management pods. It is recommended to start with the
  # webhook and injector pods enabled, and only disable them after verifying the
  # correctness of user manifests.
  #   If the injector is disabled, containers using sr-iov resources must explicitly assign
  #   them in the  "requests"/"limits" section of the container spec, for example:
  #    containers:
  #    - name: my-sriov-workload-container
  #      resources:
  #        limits:
  #          openshift.io/<resource_name>:  "1"
  #        requests:
  #          openshift.io/<resource_name>:  "1"
  enableInjector: false
  enableOperatorWebhook: false
  logLevel: 0

表 6.5. 用于单节点 OpenShift 集群的 SriovOperatorConfig CR 选项
SriovOperatorConfig CR 字段描述

spec.enableInjector

禁用 Injector pod 以减少管理 pod 的数量。从启用 Injector pod 开始，仅在验证用户清单后禁用它们。如果 Injector 被禁用，使用 SR-IOV 资源的容器必须在容器 spec 的 requests 和 limits 部分中明确分配它们。

例如： 

containers:
- name: my-sriov-workload-container
  resources:
    limits:
      openshift.io/<resource_name>:  "1"
    requests:
      openshift.io/<resource_name>:  "1"

spec.enableOperatorWebhook

禁用 OperatorWebhook pod 以减少管理 pod 的数量。从启用 OperatorWebhook pod 开始，仅在验证用户清单后禁用它们。

推荐的 SriovNetwork 配置 (SriovNetwork.yaml)

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetwork
metadata:
  name: ""
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  #  resourceName: ""
  networkNamespace: openshift-sriov-network-operator
#  vlan: ""
#  spoofChk: ""
#  ipam: ""
#  linkState: ""
#  maxTxRate: ""
#  minTxRate: ""
#  vlanQoS: ""
#  trust: ""
#  capabilities: ""

表 6.6. 用于单节点 OpenShift 集群的 SriovNetwork CR 选项
SriovNetwork CR 字段描述

spec.vlan

为 midhaul 网络配置 VLAN 的 vlan。

推荐的 SriovNetworkNodePolicy CR 配置 (SriovNetworkNodePolicy.yaml)

apiVersion: sriovnetwork.openshift.io/v1
kind: SriovNetworkNodePolicy
metadata:
  name: $name
  namespace: openshift-sriov-network-operator
  annotations: {}
spec:
  # The attributes for Mellanox/Intel based NICs as below.
  #     deviceType: netdevice/vfio-pci
  #     isRdma: true/false
  deviceType: $deviceType
  isRdma: $isRdma
  nicSelector:
    # The exact physical function name must match the hardware used
    pfNames: [$pfNames]
  nodeSelector:
    node-role.kubernetes.io/$mcp: ""
  numVfs: $numVfs
  priority: $priority
  resourceName: $resourceName

表 6.7. 用于单节点 OpenShift 集群的 SriovNetworkPolicy CR 选项
SriovNetworkNodePolicy CR 字段描述

spec.deviceType

将 deviceType 配置为 vfio-pci 或 netdevice。对于 Mellanox NIC，设置 deviceType: netdevice, 和 isRdma: true。对于基于 Intel 的 NIC，设置 deviceType: vfio-pci 和 isRdma: false。

spec.nicSelector.pfNames

指定连接到前端网络的接口。

spec.numVfs

指定前端网络的 VF 数量。

spec.nicSelector.pfNames

物理功能的确切名称必须与硬件匹配。

推荐的 SR-IOV 内核配置 (07-sriov-related-kernel-args-master.yaml)

# Automatically generated by extra-manifests-builder
# Do not make changes directly.
apiVersion: machineconfiguration.openshift.io/v1
kind: MachineConfig
metadata:
  labels:
    machineconfiguration.openshift.io/role: master
  name: 07-sriov-related-kernel-args-master
spec:
  config:
    ignition:
      version: 3.2.0
  kernelArguments:
    - intel_iommu=on
    - iommu=pt

6.7.9. Console Operator

使用集群功能来防止安装 Console Operator。当节点被集中管理时，不需要它。删除 Operator 为应用程序工作负载提供额外的空间和容量。

要在安装过程中禁用 Console Operator，请在 SiteConfig 自定义资源(CR)的 spec.clusters.0.installConfigOverrides 字段中设置以下内容： 

installConfigOverrides:  "{\"capabilities\":{\"baselineCapabilitySet\": \"None\" }}"

6.7.10. Alertmanager

运行 DU 工作负载的单节点 OpenShift 集群需要减少 OpenShift Container Platform 监控组件所消耗的 CPU 资源。以下 ConfigMap 自定义资源(CR)禁用 Alertmanager。

推荐的集群监控配置 (ReduceMonitoringFootprint.yaml)

apiVersion: v1
kind: ConfigMap
metadata:
  name: cluster-monitoring-config
  namespace: openshift-monitoring
  annotations: {}
data:
  config.yaml: |
    alertmanagerMain:
      enabled: false
    telemeterClient:
      enabled: false
    prometheusK8s:
       retention: 24h

6.7.11. Operator Lifecycle Manager

运行分布式单元工作负载的单节点 OpenShift 集群需要对 CPU 资源进行一致的访问。Operator Lifecycle Manager (OLM) 会定期从 Operator 收集性能数据，从而增加 CPU 利用率。以下 ConfigMap 自定义资源 (CR) 禁用 OLM 的 Operator 性能数据收集。

推荐的集群 OLM 配置 (ReduceOLMFootprint.yaml)

apiVersion: v1
kind: ConfigMap
metadata:
  name: collect-profiles-config
  namespace: openshift-operator-lifecycle-manager
data:
  pprof-config.yaml: |
    disabled: True

6.7.12. LVM 存储

您可以使用逻辑卷管理器(LVM)存储在单节点 OpenShift 集群上动态置备本地存储。

注意

推荐的单节点 OpenShift 存储解决方案是 Local Storage Operator。另外，您可以使用 LVM Storage，但需要额外的 CPU 资源。

以下 YAML 示例将节点的存储配置为可供 OpenShift Container Platform 应用程序使用。

推荐的 LVMCluster 配置 (StorageLVMCluster.yaml)

apiVersion: lvm.topolvm.io/v1alpha1
kind: LVMCluster
metadata:
  name: lvmcluster
  namespace: openshift-storage
  annotations: {}
spec: {}
#example: creating a vg1 volume group leveraging all available disks on the node
#         except the installation disk.
#  storage:
#    deviceClasses:
#    - name: vg1
#      thinPoolConfig:
#        name: thin-pool-1
#        sizePercent: 90
#        overprovisionRatio: 10

表 6.8. 单节点 OpenShift 集群的 LVMCluster CR 选项
LVMCluster CR 字段描述

deviceSelector.paths

配置用于 LVM 存储的磁盘。如果没有指定磁盘，LVM 存储将使用指定精简池中所有未使用的磁盘。

6.7.13. 网络诊断

运行 DU 工作负载的单节点 OpenShift 集群需要较少的 pod 网络连接检查，以减少这些 pod 创建的额外负载。以下自定义资源 (CR) 禁用这些检查。

推荐的网络诊断配置 (DisableSnoNetworkDiag.yaml)

apiVersion: operator.openshift.io/v1
kind: Network
metadata:
  name: cluster
  annotations: {}
spec:
  disableNetworkDiagnostics: true

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