集群部署获取k8s二进制包

[root@master ~]# wget https://dl.k8s.io/v1.15.0/kubernetes-server-linux-amd64.tar.gz

[root@master ~]# ls

kubernetes-server-linux-amd64.tar.gz

[root@master ~]# mkdir master

[root@master ~]# mv kubernetes-server-linux-amd64.tar.tar master/

[root@master ~]# cd master/

[root@master master]# tar -zxf kubernetes-server-linux-amd64.tar.gz

[root@master master]# ls

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

[root@master master]# cd /root/master/kubernetes/server/bin

[root@master bin]# pwd

/root/master/kubernetes/server/bin

[root@master bin]# ls

apiextensions-apiserver              kube-controller-manager.tar

cloud-controller-manager             kubectl

cloud-controller-manager.docker_tag  kubelet

cloud-controller-manager.tar         kube-proxy

hyperkube                            kube-proxy.docker_tag

kubeadm                              kube-proxy.tar

kube-apiserver                       kube-scheduler

kube-apiserver.docker_tag            kube-scheduler.docker_tag

kube-apiserver.tar                   kube-scheduler.tar

kube-controller-manager              mounter

kube-controller-manager.docker_tag

[root@master bin]# cp kube-controller-manager kube-scheduler kube-apiserver /opt/kubernetes/bin/

[root@master bin]# chmod +x /opt/kubernetes/bin/*

[root@master bin]# ls /opt/kubernetes/bin/

etcd     flanneld        kube-controller-manager  kube-scheduler

etcdctl  kube-apiserver  kubectl                  mk-docker-opts.sh

[root@master bin]# cat apiserver.sh

#!/bin/bash

MASTER_ADDRESS=${1:-"192.168.230.130"}

ETCD_SERVERS=${2:-"http://127.0.0.01:2379"}

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

KUBE_APISERVER_OPTS="--logtostderr=true \\

--v=4 \\

--etcd-servers=${ETCD_SERVERS} \\

--insecure-bind-address=127.0.0.1 \\

--bind-address=${MASTER_ADDRESS} \\

--insecure-port=8080 \\

--secure-port=6443 \\

--advertise-address=${MASTER_ADDRESS} \\

--allow_privileged=true \\

--service-cluster-ip-range=10.10.10.0/24 \\

--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

[root@master bin]# sh apiserver.sh 192.168.238.130 https://192.168.238.130:2379,https://192.168.238.129:2379,https://192.168.238.128:2379

Created symlink from /etc/systemd/system/multi-user.target.wants/kube-apiserver.service to /usr/lib/systemd/system/kube-apiserver.service.

[root@master bin]# cat /opt/kubernetes/cfg/kube-apiserver

KUBE_APISERVER_OPTS=“--logtostderr=true \

--v=4 \

--etcd-servers=https://192.168.238.130:2379,https://192.168.238.129:2379,https://192.168.238.128:2379 \

--insecure-bind-address=127.0.0.1 \

--bind-address=192.168.238.130 \

--insecure-port=8080 \

--secure-port=6443 \

--advertise-address=192.168.238.130 \

--allow_privileged=true \

--service-cluster-ip-range=10.10.10.0/24 \

--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"

[root@master bin]# cat /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

[root@master bin]# cp /root/token.csv /opt/kubernetes/cfg/

[root@master bin]# systemctl daemon-reload

[root@master bin]# systemctl start kube-apiserver

[root@master bin]# systemctl status kube-apiserver

● kube-apiserver.service - Kubernetes API Server

   Loaded: loaded (/usr/lib/systemd/system/kube-apiserver.service; enabled; vendor preset: disabled)

   Active: active (running) since Mon 2019-07-08 00:19:12 CST; 5s ago

     Docs: https://github.com/kubernetes/kubernetes

 Main PID: 9389 (kube-apiserver)

   Memory: 237.0M

   CGroup: /system.slice/kube-apiserver.service

           └─9389 /opt/kubernetes/bin/kube-apiserver --logtostderr=true --v=4 --etcd-servers=https://192.168.238.130:2379,https://...

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.303440    9389 wrap.go:42] GET /apis/rbac.authorization.k8s.io/v...40304]

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.306232    9389 wrap.go:42] POST /apis/rbac.authorization.k8s.io/...40304]

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.306446    9389 storage_rbac.go:208] created clusterrole.rbac.aut...o-edit

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.312507    9389 wrap.go:42] GET /apis/rbac.authorization.k8s.io/v...40304]

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.315463    9389 wrap.go:42] POST /apis/rbac.authorization.k8s.io/...40304]

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.315628    9389 storage_rbac.go:208] created clusterrole.rbac.aut...o-view

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.317279    9389 wrap.go:42] GET /apis/rbac.authorization.k8s.io/v...40304]

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.320248    9389 wrap.go:42] POST /apis/rbac.authorization.k8s.io/...40304]

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.320381    9389 storage_rbac.go:208] created clusterrole.rbac.aut...apster

Jul 08 00:19:17 master kube-apiserver[9389]: I0708 00:19:17.321952    9389 wrap.go:42] GET /apis/rbac.authorization.k8s.io/v...40304]

Hint: Some lines were ellipsized, use -l to show in full.

[root@master bin]# 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

[root@master bin]# sh controller-manager.sh 127.0.0.1

Created symlink from /etc/systemd/system/multi-user.target.wants/kube-controller-manager.service to /usr/lib/systemd/system/kube-controller-manager.service.

[root@master bin]# systemctl status kube-controller-manager

● kube-controller-manager.service - Kubernetes Controller Manager

   Loaded: loaded (/usr/lib/systemd/system/kube-controller-manager.service; enabled; vendor preset: disabled)

   Active: active (running) since Mon 2019-07-08 01:11:38 CST; 52s ago

     Docs: https://github.com/kubernetes/kubernetes

 Main PID: 9647 (kube-controller)

   Memory: 125.4M

   CGroup: /system.slice/kube-controller-manager.service

           └─9647 /opt/kubernetes/bin/kube-controller-manager --logtostderr=true --v=4 --master=127.0.0.1:8080 --leader-elect=true...

Jul 08 01:12:29 master kube-controller-manager[9647]: I0708 01:12:29.568788    9647 cronjob_controller.go:128] Found 0 jobs

Jul 08 01:12:29 master kube-controller-manager[9647]: I0708 01:12:29.568802    9647 cronjob_controller.go:134] Found 0 groups

Jul 08 01:12:29 master kube-controller-manager[9647]: I0708 01:12:29.795439    9647 reflector.go:160] Listing and watching *v...o:133

Jul 08 01:12:29 master kube-controller-manager[9647]: E0708 01:12:29.796578    9647 reflector.go:125] k8s.io/client-go/inform...ource

Jul 08 01:12:29 master kube-controller-manager[9647]: I0708 01:12:29.801372    9647 reflector.go:160] Listing and watching *v...o:133

Jul 08 01:12:29 master kube-controller-manager[9647]: E0708 01:12:29.801927    9647 reflector.go:125] k8s.io/client-go/inform...s.io)

Jul 08 01:12:30 master kube-controller-manager[9647]: I0708 01:12:30.797753    9647 reflector.go:160] Listing and watching *v...o:133

Jul 08 01:12:30 master kube-controller-manager[9647]: E0708 01:12:30.798917    9647 reflector.go:125] k8s.io/client-go/inform...ource

Jul 08 01:12:30 master kube-controller-manager[9647]: I0708 01:12:30.802656    9647 reflector.go:160] Listing and watching *v...o:133

Jul 08 01:12:30 master kube-controller-manager[9647]: E0708 01:12:30.803446    9647 reflector.go:125] k8s.io/client-go/inform...s.io)

Hint: Some lines were ellipsized, use -l to show in full.

[root@master bin]# 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

[root@master bin]# sh scheduler.sh 127.0.0.1

Created symlink from /etc/systemd/system/multi-user.target.wants/kube-scheduler.service to /usr/lib/systemd/system/kube-scheduler.service.

[root@master bin]# systemctl status kube-scheduler

● kube-scheduler.service - Kubernetes Scheduler

   Loaded: loaded (/usr/lib/systemd/system/kube-scheduler.service; enabled; vendor preset: disabled)

   Active: active (running) since Mon 2019-07-08 01:19:33 CST; 20s ago

     Docs: https://github.com/kubernetes/kubernetes

 Main PID: 9717 (kube-scheduler)

   Memory: 41.8M

   CGroup: /system.slice/kube-scheduler.service

           └─9717 /opt/kubernetes/bin/kube-scheduler --logtostderr=true --v=4 --master=127.0.0.1:8080 --leader-elect

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.039679    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.140505    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.241452    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.342335    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.443425    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.543503    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.643839    9717 shared_informer.go:176] caches populated

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.643976    9717 leaderelection.go:235] attempting to acquire lead...ler...

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.653106    9717 leaderelection.go:245] successfully acquired leas...eduler

Jul 08 01:19:35 master kube-scheduler[9717]: I0708 01:19:35.754649    9717 shared_informer.go:176] caches populated

Hint: Some lines were ellipsized, use -l to show in full.

[root@master bin]# cat /opt/kubernetes/cfg/kube-controller-manager

KUBE_CONTROLLER_MANAGER_OPTS="--logtostderr=true \

--v=4 \

--master=127.0.0.1:8080 \

--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"

[root@master bin]# cat /opt/kubernetes/cfg/kube-scheduler

KUBE_SCHEDULER_OPTS="--logtostderr=true \

--v=4 \

--master=127.0.0.1:8080 \

--leader-elect"

查看状态

[root@master bin]# kubectl get cs

NAME                 STATUS    MESSAGE              ERROR

scheduler            Healthy   ok

controller-manager   Healthy   ok

etcd-1               Healthy   {"health": "true"}

etcd-2               Healthy   {"health": "true"}

etcd-0               Healthy   {"health": "true"}  

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