openshift-docs
  • 不知所措的openshift kubernetes
  • 3scale
    • 在openshift使用3scale-operator部署3scale
  • Hyperledger-Fabric
    • Hyperledger Fabric on openshift 3.11
  • adminer
    • helm部署adminer
  • admission-controller
    • k8s nameapce增加默认node-selector和defaultTolerations
  • cert-manager
    • cert-manager-1.5升级到1.6
  • cicd
    • Argocd定时备份到us3
    • Argocd添加服务流程
    • Argocd自定义健康检查
    • helm安装argocd
    • k8s1.22部署gitlab对接keycloak
    • 使用Tekton+Helm-Chart+ArgoCD构建GitOps CICD
    • 使用 Tekton 构建CI流程
    • 使用argocd-notifications通知Tekton触发api-test
    • 使用 docker buildx 构建多CPU架构镜像
    • 使用image-syncer同步多CPU架构镜像到私有仓库
    • 开源helm chart 发布到 https://artifacthub.io/
    • 快速编写通用helm chart
  • client-go
    • k8s client-go 创建ingress示例
  • cluster-monitor-opertor
    • Openshift3.11 alertmanager 持久化
    • cluster-monitor-operator alertmanager配置
    • cluster-monitor-operator添加外部metrics
    • openshift3.11-cluster-monitoring-operator数据持久化
  • config-syncer
    • k8s使用config-syncer(kubed)同步secret
  • dns
    • k8s coredns 优化
    • k8s 使用coredns 自定义hosts 解析
  • dnsmasq
    • MAC 环境使用 dnsmasq 配置openshift相关自定义域名
    • 配置dnsmasq apps通配解析
  • elasticsearch
    • Elasticsearch查询重复数据
    • elasticsearch-kibana-8.10创建向量索引模板
    • openshift3.11中使用ECK安装filebeat+elasticsearch+kibana收集日志初探
    • openshift3.11部署eck1.6+es7.14.1
    • 使用kibana修改数据流索引mapping
  • etcd
    • k8s 1.22 使用cronjob 备份etcd
    • k8s1.22使用CronJob定时备份etcd到US3
    • 使用cronjob备份etcd
    • 恢复openshift3.11-etcd数据快照
  • flowiseai
    • argocd2.2.1+helm3.9-chart+k8s1.22部署flowise
  • ingress-nginx
    • ingress-nginx启用header名称中下划线
  • ipfs
    • golang计算文件ipfs cid
    • helm安装ipfs-cluster
  • kafka
    • banzaicloud-stable/kafka-operator+local-path迁移主机
    • 使用bitnami/kafka部署外部可访问的 kafka
  • keycloak
    • openshift使用keycloak登录
  • kong
    • Kong使用ip-pestriction插件配置IP白名单
    • kong admin api 使用 go-kong 调用
    • kong manager页面显示空白,报错net:ERR_HTTP2_PROTOCOL_ERROR
    • kong helm 安装
    • kong 自定义默认error html
    • 使用kong转发TCP服务
  • kube-flannel
    • kube-flannel-v0.20.1升级v0.22.2
  • kubeadm
    • RockLinux+kubeadm+k8s-1.22.16 升级到1.22.17
    • RockLinux+kubeadm+k8s-1.22.2 升级到1.22.16
  • kubevirt
    • Kubevirt on Openshift
    • kubebirt 中使用 cloud-init
    • kubevirt限制vm发布主机
    • openshift-3.11-kubevirt从v0.19.0升级到v0.27.0
    • 使用alpine-make-vm-image制作alpine-qcow2云镜像
    • 使用virtualbox自定义Alpine-vrit云镜像
  • load-balance
    • ucloud 添加负载均衡报文转发配置
  • metrics-sever
    • k8s-1.22安装metrics-server
  • mongodb
    • 使用argocd部署mongo-express
    • 阿里云 Mongodb副本集实例使用
  • mysql
    • Helm部署mysql
    • helm安装phpmyadmin
    • mysql批量修改utf8mb3为utf8mb4字符集
    • 部署MySQL Server Exporter
  • openfaas
    • OpenFaaS定时任务
    • OpenFaas使用Go模板创建Function
    • helm 安装openfaas
  • operator
    • 使用Operator-SDK构建基于Helm 的 Operator
  • playwright
    • 使用playwright截图Kibana图表
  • prometheus-operator
    • helm+kube-prometheus-stack-prometheus-operator+local-path(storageclass)部署的prometheus迁移主机
    • k8s 1.22 环境 kube-prometheus-stack 22.x 升级至 41.x
    • 使用helm+kube-prometheus-stack只部署prometheus
  • proxy
    • 使用快代理使用海外代理访问海外网站
  • rancher
    • helm 安装rancher 2.6.3
    • rancher-backup使用US3备份
    • rancher2.6.3升级至rancher2.6.9
    • rancher2.6.9对接keycloak
    • 解决rancher-v2.6.3报helm-operator更新rancher-webhook异常问题
    • 解决更新rancher2.6.13后报webhook和fleet chart版本不支持
  • raspberry-pi
    • mac os golang编译ARM环境go-sqlite3项目
    • 无头(headless) raspberry pi 4 ssh wifi 安装(mac)
    • 树莓派4B+raspberry-pi-os-buster在线安装k3s
    • 树莓派Raspberry Pi OS 设置静态ip
    • 树莓派raspberry-pi-os(32bit)安装docker
    • 树莓派raspberry pi os开启ssh
    • 树莓派安装centos7并简单优化
  • rbac
    • openshift给没能打开web terminal终端的用户添加权限
  • registry
    • 使用image-syncer同步所需镜像到仓库
  • ssh
    • Mac OSX ssh隧道使用方法
  • storage
    • lvm分区配置备份与恢复测试
    • openshift3.11使用nfs-client-provisioner+UCloud-UFS提供动态pv存储
    • openshift3.11使用nfs-client-provisioner+阿里云NAS提供动态nfs
    • openshift3.11配置local volume
    • openshift动态nfs
  • tracing
    • Ipfs cluseter使用分布式追踪系统jaeper tracing
  • troubleshooting
    • coredns service 连接超时(connection timed out; no servers could be reached)
    • etcdDatabaseHighFragmentationRatio 异常处理
    • helm更新服务报错提示statefulset更新是被禁止的
    • k8s如果防止容器中出现僵尸进程
    • kubevirt api server 证书过期问题导致openshfit调度异常
    • macOS Chrome访问https://registry-console-default.appsxxx.xxx.xxx/页面显示ERR_CERT_INVALID,且不能点继续
    • master 主机df 卡死
    • openshift project Terminaing处理
    • OpenShift Docker Registry 500
    • 解决openshift3.11 node NotReady csr Pending
    • openshift3.11-pvc-delete-Terminating-hang
    • openshift3.11清理Terminating 状态project
    • pod pending event报错cni无可用IP
    • ucloud环境开启selinux后/var/log/messages不能写入问题
    • ucloud环境开启selinux
    • 解决openshift3.11不能下载redhat registry.access.redhat.com中镜像问题
    • 证书未过期但是报NET::ERR_CERT_AUTHORITY_INVALID证书错误处理
  • walletconnect
    • WalletConnect-Relay 部署
Powered by GitBook
On this page
  • 设置主机污点及label
  • 设置kubevirt 相关插件及vm发布主机
  • 发布容忍污点的vm

Was this helpful?

  1. kubevirt

kubevirt限制vm发布主机

Previouskubebirt 中使用 cloud-initNextopenshift-3.11-kubevirt从v0.19.0升级到v0.27.0

Last updated 5 years ago

Was this helpful?

参考:

设置主机污点及label

oc adm taint nodes node52.hisun.com vm=true:NoExecute
oc label node node52.hisun.com vm=true

设置kubevirt 相关插件及vm发布主机

for item in kube-cni-plugins-amd64 kube-multus-amd64 kube-ovs-cni-amd64 kube-sriov-cni-amd64 kube-sriov-device-plugin-amd64
do
    kubectl patch ds/$item -n kube-system -p '{"spec":{"template":{"spec":{"nodeSelector":{"vm":"true"},"tolerations":[{"key":"vm","operator":"Equal","value":"true","effect":"NoExecute"}]}}}}'
done

kubectl patch ds/virt-handler -n kubevirt -p '{"spec":{"template":{"spec":{"nodeSelector":{"vm":"true"},"tolerations":[{"key":"vm","operator":"Equal","value":"true","effect":"NoExecute"}]}}}}'

发布容忍污点的vm

亲和性相关配置

...
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: vm
                operator: In
                values:
                - 'true'
...

容忍相关主机配置

        ...
      hostname: alpine3115-v0270-virt
      tolerations:
        - key: "vm"
          operator: "Equal"
          value: "true"
          effect: "NoExecute"
      networks:
      ...

完整yaml

apiVersion: kubevirt.io/v1alpha3
kind: VirtualMachine
metadata:
  name: alpine3115-v0270-virt
spec:
  dataVolumeTemplates:
    - metadata:
        name: alpine3115-v0270-virt-rootdisk
      spec:
        pvc:
          accessModes:
            - ReadWriteOnce
          resources:
            requests:
              storage: 1Gi
          storageClassName: custom-nas-storage
        source:
          http: 
            url: http://172.26.163.182:8081/packages/kubevirt-image/alpine3115-virt-base-20200403121456.qcow2.gz
      status: {}
  running: true
  template:
    metadata:
      creationTimestamp: null
      labels:
        vm.kubevirt.io/name: alpine3115-v0270-virt
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
            - matchExpressions:
              - key: vm
                operator: In
                values:
                - 'true'
      domain:
        cpu:
          cores: 1
        devices:
          disks:
            - bootOrder: 1
              disk:
                bus: virtio
              name: rootdisk
            - bootOrder: 3
              cdrom:
                bus: sata
              name: cloudinitdisk
          interfaces:
            - bootOrder: 2
              masquerade: {}
              name: nic0
          rng: {}
        machine:
          type: ''
        resources:
          requests:
            memory: 128M
      hostname: alpine3115-v0270-virt
      tolerations:
        - key: "vm"
          operator: "Equal"
          value: "true"
          effect: "NoExecute"
      networks:
        - name: nic0
          pod: {}
      terminationGracePeriodSeconds: 0
      volumes:
        - dataVolume:
            name: alpine3115-v0270-virt-rootdisk
          name: rootdisk 
        - name: cloudinitdisk
          cloudInitNoCloud:  
            userData: |
              # env
              export SERVER_PORT=5140
              export SERVER_TRACKROOTS=http://x.x.x.x:5145/
              export LEVELDB_OPENPATH=/data/dbfile
              export SECRETKEY_DIR=/data/secretkey
              export SERVER_VERSION=v0.5.3.3
              export PN_DATADIR=/data/pndata
https://kubevirt.io/user-guide/#/usage/node-placement?id=taints-and-tolerations
https://docs.openshift.com/container-platform/3.11/admin_guide/scheduling/taints_tolerations.html#admin-guide-taints-add