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  • k8s v1.9.9 二进制部署 (5)master安装apiserver、cheduler,controller-manager

    1.确认二进制文件是否部署

    $cd /root/

    $ll /usr/bin/kube*

    -rwxr-xr-x 1 root root 211557415 Dec 28 13:34 /usr/bin/kube-apiserver

    -rwxr-xr-x 1 root root 138876075 Dec 28 13:34 /usr/bin/kube-controller-manager

    -rwxr-xr-x 1 root root  68354770 Dec 28 13:34 /usr/bin/kubectl

    -rwxr-xr-x 1 root root  62517228 Dec 28 13:34 /usr/bin/kube-scheduler

    2.配置和启动kube-apiserver

    2.1 创建apiserver的systemd unit文件

    注:

    这一步建议vim编辑,我用eof方式写入时,发现vim将变量内容当成变量读取,结果为空,导致丢失部分内容。

    $vim /usr/lib/systemd/system/kube-apiserver.service

    [Unit]

    Description=Kubernetes API Service

    Documentation=https://github.com/GoogleCloudPlatform/kubernetes

    After=network.target

    After=etcd.service

    [Service]

    EnvironmentFile=-/etc/kubernetes/config

    EnvironmentFile=-/etc/kubernetes/apiserver

    ExecStart=/usr/bin/kube-apiserver

           $KUBE_LOGTOSTDERR

           $KUBE_LOG_LEVEL

           $KUBE_ETCD_SERVERS

           $KUBE_API_ADDRESS

           $KUBE_API_PORT

           $KUBELET_PORT

           $KUBE_ALLOW_PRIV

           $KUBE_SERVICE_ADDRESSES

           $KUBE_ADMISSION_CONTROL

           $KUBE_API_ARGS

    Restart=on-failure

    Type=notify

    LimitNOFILE=65536

    [Install]

    WantedBy=multi-user.target

     

    2.2 配置文件: /etc/kubernetes/config

    :文档中所有配置文件中的注释,请去掉。

    $cat > /etc/kubernetes/config <<eof

    ###

    # kubernetes system config

    #

    # The following values are used to configure various aspects of all

    # kubernetes services, including

    #

    #   kube-apiserver.service

    #   kube-controller-manager.service

    #   kube-scheduler.service

    #   kubelet.service

    #   kube-proxy.service

    # logging to stderr means we get it in the systemd journal

    KUBE_LOGTOSTDERR="--logtostderr=true"

    # journal message level, 0 is debug

    KUBE_LOG_LEVEL="--v=0"

    # Should this cluster be allowed to run privileged docker containers

    KUBE_ALLOW_PRIV="--allow-privileged=true"

    # How the controller-manager, scheduler, and proxy find the apiserver

    KUBE_MASTER="--master=http://192.168.7.131:8080" #master地址

    eof

    2.3 配置文件: /etc/kubernetes/apiserver

    :请去掉文档中的注释部分

    $cat > /etc/kubernetes/apiserver <<eof

    ###

    ## kubernetes system config

    ##

    ## The following values are used to configure the kube-apiserver

    ##

    #

    ## The address on the local server to listen to.

    KUBE_API_ADDRESS="--advertise-address=192.168.7.131 --bind-address=192.168.7.131 --insecure-bind-address=192.168.7.131"  # 本机地址

    #

    ## The port on the local server to listen on.

    #KUBE_API_PORT="--port=8080"

    #

    ## Port minions listen on

    #KUBELET_PORT="--kubelet-port=10250"

    #

    ## Comma separated list of nodes in the etcd cluster

    KUBE_ETCD_SERVERS="--etcd-servers=https://192.168.7.131:2379,https://192.168.7.132:2379,https://192.168.7.133:2379" #etcd集群地址

    #

    ## Address range to use for services

    KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=10.254.0.0/16"

    #

    ## default admission control policies

    KUBE_ADMISSION_CONTROL="--admission-control=ServiceAccount,NamespaceLifecycle,NamespaceExists,LimitRanger,ResourceQuota"

    #

    ## Add your own!

    KUBE_API_ARGS="--authorization-mode=Node,RBAC --runtime-config=rbac.authorization.k8s.io/v1beta1 --kubelet-https=true --enable-bootstrap-token-auth --token-auth-file=/etc/kubernetes/token.csv --service-node-port-range=30000-32767 --tls-cert-file=/etc/kubernetes/ssl/kubernetes.pem --tls-private-key-file=/etc/kubernetes/ssl/kubernetes-key.pem --client-ca-file=/etc/kubernetes/ssl/ca.pem --service-account-key-file=/etc/kubernetes/ssl/ca-key.pem --etcd-cafile=/etc/kubernetes/ssl/ca.pem --etcd-certfile=/etc/kubernetes/ssl/kubernetes.pem --etcd-keyfile=/etc/kubernetes/ssl/kubernetes-key.pem --enable-swagger-ui=true --apiserver-count=3 --audit-log-maxage=30 --audit-log-maxbackup=3 --audit-log-maxsize=100 --audit-log-path=/var/lib/audit.log --event-ttl=1h"

    eof

     

    2.4启动 kube-apiserver

    systemctl daemon-reload

    systemctl enable kube-apiserver

    systemctl start kube-apiserver

    systemctl status kube-apiserver

     

    3.配置和启动 kube-controller-manager

     

    3.1 配置文件:/usr/lib/systemd/system/kube-controller-manager.service  

    这一步建议vim编辑,我用eof方式写入时,发现vim将变量内容当成变量读取,结果为空,导致丢失部分内容。

    $vim /usr/lib/systemd/system/kube-controller-manager.service

    [Unit]

    Description=Kubernetes Controller Manager

    Documentation=https://github.com/GoogleCloudPlatform/kubernetes

    [Service]

    EnvironmentFile=-/etc/kubernetes/config

    EnvironmentFile=-/etc/kubernetes/controller-manager

    ExecStart=/usr/bin/kube-controller-manager

           $KUBE_LOGTOSTDERR

           $KUBE_LOG_LEVEL

           $KUBE_MASTER

           $KUBE_CONTROLLER_MANAGER_ARGS

    Restart=on-failure

    LimitNOFILE=65536

    [Install]

    WantedBy=multi-user.target

     

    3.2 配置文件:/etc/kubernetes/controller-manager

    $cat > /etc/kubernetes/controller-manager <<eof

    # The following values are used to configure the kubernetes controller-manager

    # defaults from config and apiserver should be adequate

    # Add your own!

    KUBE_CONTROLLER_MANAGER_ARGS="--address=127.0.0.1 --service-cluster-ip-range=10.254.0.0/16 --cluster-name=kubernetes --cluster-signing-cert-file=/etc/kubernetes/ssl/ca.pem --cluster-signing-key-file=/etc/kubernetes/ssl/ca-key.pem  --service-account-private-key-file=/etc/kubernetes/ssl/ca-key.pem --root-ca-file=/etc/kubernetes/ssl/ca.pem --leader-elect=true"

    eof

    3.3 启动 kube-controller-manager

    systemctl daemon-reload

    systemctl enable kube-controller-manager

    systemctl start kube-controller-manager

    systemctl status kube-controller-manager

     

    4.配置和启动 kube-scheduler

    4.1 配置文件:/usr/lib/systemd/system/kube-scheduler.service

    这一步建议vim编辑,我用eof方式写入时,发现vim将变量内容当成变量读取,结果为空,导致丢失部分内容。

    $vim /usr/lib/systemd/system/kube-scheduler.service

    [Unit]

    Description=Kubernetes Scheduler Plugin

    Documentation=https://github.com/GoogleCloudPlatform/kubernetes

     

    [Service]

    EnvironmentFile=-/etc/kubernetes/config

    EnvironmentFile=-/etc/kubernetes/scheduler

    ExecStart=/usr/bin/kube-scheduler

               $KUBE_LOGTOSTDERR

               $KUBE_LOG_LEVEL

               $KUBE_MASTER

               $KUBE_SCHEDULER_ARGS

    Restart=on-failure

    LimitNOFILE=65536

     

    [Install]

    WantedBy=multi-user.target

    4.2 配置文件:/etc/kubernetes/scheduler

    $cat > /etc/kubernetes/scheduler <<eof

    ###

    # kubernetes scheduler config

    # default config should be adequate

    # Add your own!

    KUBE_SCHEDULER_ARGS="--leader-elect=true --address=127.0.0.1"

    eof

    4.3 启动 kube-scheduler

    systemctl daemon-reload

    systemctl enable kube-scheduler

    systemctl start kube-scheduler

    systemctl status kube-scheduler

     

    5.验证功能

    master上执行:

    如图说明前面的步骤都是成功的。

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  • 原文地址:https://www.cnblogs.com/you-xiaoqing/p/14303038.html
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