kubernetes容器集群管理部署master节点组件

集群部署获取k8s二进制包

[[email protected] ~]# wget https://dl.k8s.io/v1.15.0/kubernetes-server-linux-amd64.tar.gz
[[email protected] ~]# ls
kubernetes-server-linux-amd64.tar.gz
[[email protected] ~]# mkdir master
[[email protected] ~]# mv kubernetes-server-linux-amd64.tar.tar master/
[[email protected] ~]# cd master/
[[email protected] master]# tar -zxf kubernetes-server-linux-amd64.tar.gz
[[email protected] master]# ls
kubernetes  kubernetes-server-linux-amd64.tar.gz
[[email protected] master]# cd /root/master/kubernetes/server/bin
[[email protected] bin]# pwd
/root/master/kubernetes/server/bin
[[email protected] 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
[[email protected] bin]# cp kube-controller-manager kube-scheduler kube-apiserver /opt/kubernetes/bin/
[[email protected] bin]# chmod +x /opt/kubernetes/bin/*
[[email protected] bin]# ls /opt/kubernetes/bin/
etcd     flanneld        kube-controller-manager  kube-scheduler
etcdctl  kube-apiserver  kubectl                  mk-docker-opts.sh
[[email protected] 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
[[email protected] 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.
[[email protected] 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"
[[email protected] 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
[[email protected] bin]# cp /root/token.csv /opt/kubernetes/cfg/
[[email protected] bin]# systemctl daemon-reload
[[email protected] bin]# systemctl start kube-apiserver
[[email protected] 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.

[[email protected] 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
[[email protected] 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.
[[email protected] 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.
[[email protected] 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
[[email protected] 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.
[[email protected] 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.
[[email protected] 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"
[[email protected] 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
[[email protected] 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"}

原文地址：https://www.cnblogs.com/yinshoucheng-golden/p/11147886.html

时间： 2024-08-28 06:12:13

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