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Kubernetes多master部署(6)---安装master

时间:2019-05-05 18:56:50      阅读:135      评论:0      收藏:0      [点我收藏+]
  • 获取K8S二进制包

包:kubernetes-server-linux-amd64.tar.gz

 

三台master都要操作

master需要三个组件:kube-apiserver kube-controller-manager kube-scheduler

我们将其拿出来 放入指定目录:

tar -zxvf kubernetes-server-linux-amd64.tar.gz
cp kubernetes/server/bin/kube-scheduler ./
cp kubernetes/server/bin/kube-controller-manager ./
cp kubernetes/server/bin/kube-apiserver ./
[root@localhost kubernetes]# ls
apiserver.sh controller-manager.sh kube-apiserver kube-controller-manager kubectl kube-scheduler master.zip scheduler.sh

mv kube-apiserver kube-controller-manager kube-scheduler /opt/kubernetes/bin/
赋予权限
chmod +x /opt/kubernetes/bin/*


echo "export PATH=$PATH:/opt/kubernetes/bin" >> /etc/profile

 

安装kube-apiserver

#################################################################################

#readme
#./apiserver.sh 10.50.182.65 https://10.50.182.65:2379,https://10.50.182.66:2379,https://10.50.182.67:2379

MASTER_ADDRESS=${1:-"10.50.182.65"}
ETCD_SERVERS=${2:-"http://127.0.0.1:2379"}

cat <<EOF >/opt/kubernetes/cfg/kube-apiserver

KUBE_APISERVER_OPTS="--logtostderr=true \\
--v=4 \--etcd-servers=${ETCD_SERVERS} \--insecure-bind-address=0.0.0.0 \--bind-address=${MASTER_ADDRESS} \--insecure-port=8080 \--secure-port=6443 \--advertise-address=${MASTER_ADDRESS} \--allow-privileged=true \--service-cluster-ip-range=10.147.224.0/20 \--admission-control=NamespaceLifecycle,LimitRanger,SecurityContextDeny,ServiceAccount,ResourceQuota,NodeRestriction --authorization-mode=RBAC,Node \--kubelet-https=true \--enable-bootstrap-token-auth \--token-auth-file=/opt/kubernetes/cfg/token.csv \--service-node-port-range=30000-50000 \--tls-cert-file=/opt/kubernetes/ssl/server.pem \--tls-private-key-file=/opt/kubernetes/ssl/server-key.pem \--client-ca-file=/opt/kubernetes/ssl/ca.pem \--service-account-key-file=/opt/kubernetes/ssl/ca-key.pem \--etcd-cafile=/opt/kubernetes/ssl/ca.pem \--etcd-certfile=/opt/kubernetes/ssl/server.pem \--etcd-keyfile=/opt/kubernetes/ssl/server-key.pem"

EOF

cat <<EOF >/usr/lib/systemd/system/kube-apiserver.service
[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/kubernetes/kubernetes

[Service]
EnvironmentFile=-/opt/kubernetes/cfg/kube-apiserver
ExecStart=/opt/kubernetes/bin/kube-apiserver \$KUBE_APISERVER_OPTS
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable kube-apiserver
systemctl restart kube-apiserver

 

执行脚本:

./apiserver.sh 10.50.182.65 https://10.50.182.65:2379,https://10.50.182.66:2379,https://10.50.182.67:2379

 

安装:controller-manager

[root@localhost master_pkg]# cat controller-manager.sh
#!/bin/bash

MASTER_ADDRESS=${1:-"127.0.0.1"}

cat <<EOF >/opt/kubernetes/cfg/kube-controller-manager


KUBE_CONTROLLER_MANAGER_OPTS="--logtostderr=true \\
--v=4 \--master=${MASTER_ADDRESS}:8080 \--leader-elect=true \--address=127.0.0.1 \--service-cluster-ip-range=10.10.10.0/24 \--cluster-name=kubernetes \--cluster-signing-cert-file=/opt/kubernetes/ssl/ca.pem \--cluster-signing-key-file=/opt/kubernetes/ssl/ca-key.pem \--service-account-private-key-file=/opt/kubernetes/ssl/ca-key.pem \--root-ca-file=/opt/kubernetes/ssl/ca.pem"

EOF

cat <<EOF >/usr/lib/systemd/system/kube-controller-manager.service
[Unit]
Description=Kubernetes Controller Manager
Documentation=https://github.com/kubernetes/kubernetes

[Service]
EnvironmentFile=-/opt/kubernetes/cfg/kube-controller-manager
ExecStart=/opt/kubernetes/bin/kube-controller-manager \$KUBE_CONTROLLER_MANAGER_OPTS
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable kube-controller-manager
systemctl restart kube-controller-manager

 

执行脚本安装启动,日志在/var/log/messages:

./controller-manager.sh 127.0.0.1
ps uxa |grep controller-manager

 

安装scheduler:

编写安装脚本:

[root@localhost master_pkg]# cat scheduler.sh
#!/bin/bash

MASTER_ADDRESS=${1:-"127.0.0.1"}

cat <<EOF >/opt/kubernetes/cfg/kube-scheduler

KUBE_SCHEDULER_OPTS="--logtostderr=true \\
--v=4 \--master=${MASTER_ADDRESS}:8080 \--leader-elect"

EOF

cat <<EOF >/usr/lib/systemd/system/kube-scheduler.service
[Unit]
Description=Kubernetes Scheduler
Documentation=https://github.com/kubernetes/kubernetes

[Service]
EnvironmentFile=-/opt/kubernetes/cfg/kube-scheduler
ExecStart=/opt/kubernetes/bin/kube-scheduler \$KUBE_SCHEDULER_OPTS
Restart=on-failure

[Install]
WantedBy=multi-user.target
EOF

systemctl daemon-reload
systemctl enable kube-scheduler
systemctl restart kube-scheduler

执行脚本安装启动,日志在/var/log/messages:

./scheduler.sh 127.0.0.1
ps aux |grep scheduler

测试集群:

技术分享图片

 

Kubernetes多master部署(6)---安装master

原文:https://www.cnblogs.com/litzhiai/p/10815235.html

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