kubernetes部署教程

1. etcd配置

/usr/lib/systemd/system/etcd.service

[Unit]
Description=Etcd Server
Documentation=https://github.com/coreos/etcd
After=network.target

[Service]
User=root
Type=notify
EnvironmentFile=-/opt/etcd/config/etcd.conf
ExecStart=/usr/local/bin/etcd
Restart=on-failure
RestartSec=10s
LimitNOFILE=40000

[Install]
WantedBy=multi-user.target

/opt/etcd/config/etcd.conf

ETCD_NAME="etcd"
ETCD_DATA_DIR=/var/lib/etcd

2. kube-apiserver配置

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

[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/kubernetes/kubernetes
After=etcd.service
Wants=etcd.service

[Service]
EnvironmentFile=/etc/kubernetes/apiserver
ExecStart=/usr/local/bin/kube-apiserver $KUBE_API_ARGS
Restart=on-failure
Type=notify
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target

/etc/kubernetes/apiserver

KUBE_API_ARGS="--etcd-servers=http://127.0.0.1:2379 --insecure-bind-address=0.0.0.0 --insecure-port=8080 --service-cluster-ip-range=169.169.0.0/16 --service-node-port-range=1-65535 --logtostderr=false --log-dir=/var/log/kubernets --v=2"

3. kube-controller-manager配置

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

[Unit]
Description=Kubernetes Controller Manager
Documentation=https://github.com/kubernetes/kubernetes
After=kube-apiserver.service
Requires=kube-apiserver.service

[Service]
EnvironmentFile=/etc/kubernetes/controller-manager
ExecStart=/usr/local/bin/kube-controller-manager $KUBE_CONTROLLER_MANAGER_ARGS
Restart=on-failure
Type=notify
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target

/etc/kubernetes/controller-manager

KUBE_CONTROLLER_MANAGER_ARGS="--master=http://127.0.0.1:8080 --logtostderr=false --log-dir=/var/log/kubernetes --v=2"

4. kube-scheduler配置

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

[Unit]
Description=Kubernetes API Server
Documentation=https://github.com/kubernetes/kubernetes
After=kube-apiserver.service
Wants=kube-apiserver.service

[Service]
EnvironmentFile=/etc/kubernetes/scheduler
ExecStart=/usr/local/bin/kube-scheduler $KUBE_SCHEDULER_ARGS
Restart=on-failure
Type=notify
LimitNOFILE=65536

[Install]
WantedBy=multi-user.target

/etc/kubernetes/scheduler

KUBE_SCHEDULER_ARGS="--master=http://127.0.0.1:8080 --logtostderr=false --log-dir=/var/log/kubernetes --v=2"

5. 启动

systemctl daemon-reload
systemctl enable etcd
systemctl start etcd

systemctl enable kube-apiserver
systemctl start kube-apiserver

systemctl enable kube-controller-manager
systemctl start kube-controller-manager

systemctl enable kube-scheduler
systemctl start kube-scheduler