ubuntu16.04下安装kubernetes1.6(二)
4.3 安装etcd
在master上安装etcd,本文对应的是192.168.100.20这台机器
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下载etcd安装包
wget https://github.com/coreos/etcd/releases/download/v3.2.7/etcd-v3.2.7-linux-amd64.tar.gz
解包，将etcd-v3.2.7-linux-amd64下的etcd,etcdctl到/usr/local/bin目录下
cp etcd-v3.2.7-linux-amd64/{etcd,etcdctl} /usr/local/bin
制作etcd启动脚本
cat etcd.sh
#!/bin/sh
ETCD_ADDR=http://0.0.0.0:2379
ETCD_DATA_DIR=/var/lib/etcd
ETCD_NAME=kubernetes
! test -d $ETCD_DATA_DIR && mkdir -p $ETCD_DATA_DIR
cat ? << EOF >/usr/lib/systemd/system/etcd.service
[Unit]
Description=Etcd Server
[Service]
ExecStart=/usr/local/bin/etcd --listen-client-urls='$ETCD_ADDR' --advertise-client-urls='$ETCD_ADDR'
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable etcd
systemctl start etcd
启动etcd
systemctl start etcd.service
4.4 安装apiserver,controller-manager,scheduler,kubectl
在master上安装apiserver
apiserver,controller-manager,sheduler等组件都在kubernetes包中，所以下载kubernetes包即可
wget https://storage.googleapis.com/kubernetes-release/release/v1.6.10/kubernetes-server-linux-amd64.tar.gz
解包，并将kubernetes/server/bin下的kube-apiserver,kube-controller-manager,kube-scheduler,kubectl,kubefed 复制到/usr/local/bin下
cp kubernetes/server/bin/{kube-apiserver,kube-controller-manager,kube-scheduler,kubectl,kubefed} /usr/local/bin
制作apiserver ,controller-manager,scheduler的启动脚本
apiserver 启动脚本
cat apiserver.sh
#!/bin/sh
KUBE_LOGTOSTDERR=true
KUBE_LOG_LEVEL=2
KUBE_ETCD_SERVERS=http://192.168.100.20:2379
KUBE_CLUSTER_IP=10.10.10.0/24
INSECURE_BIND_ADDR=0.0.0.0
INSECURE_PORT=8080
LOG_DIR=/var/log/kubernetes
cat
[Unit]
Description=Kubernetes API Server
After=network.target
After=etcd.service
[Service]
ExecStart=/usr/local/bin/kube-apiserver \\
--logtostderr=${KUBE_LOGTOSTDERR} \\
--v=${KUBE_LOG_LEVEL} \\
--log-dir='${LOG_DIR}' \\
--etcd_servers=${KUBE_ETCD_SERVERS} \\
--service-cluster-ip-range=${KUBE_CLUSTER_IP} \\
--service-node-port-range=1-65535 \\
--admission_control=NamespaceLifecycle,LimitRanger,SecurityContextDeny,ResourceQuota \\
--insecure-bind-address=${INSECURE_BIND_ADDR} \\
--insecure-port=${INSECURE_PORT}
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable apiserver
systemctl start apiserver
启动服务
systemctl start apiserver.service
controller-manager启动脚本
cat controller-mananger.sh
#!/bin/sh
KUBE_LOGTOSTDERR=true
KUBE_LOG_LEVEL=4kubernetes-server-linux-amd64.tar.gz
KUBE_MASTER=192.168.100.20:8080
cat
[Unit]
Description=Kubernetes Controller Manager
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
After=network.target
After=apiserver.service
[Service]
ExecStart=/usr/local/bin/kube-controller-manager \\
--logtostderr=${KUBE_LOGTOSTDERR} \\
--v=${KUBE_LOG_LEVEL} \\
--log-dir="/var/log/controller" \\
--master=${KUBE_MASTER} \\
--service-cluster-ip-range=10.10.10.0/24
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable controller-manager
systemctl start controller-manager
启动服务
systemctl start controller-manager.service
scheduler启动脚本
cat scheduler.sh
#!bin/sh
KUBE_LOGTOSTDERR=true
KUBE_LOG_LEVEL=4
KUBE_MASTER=192.168.100.20:8080
cat ?
[Unit]
Description=Kubernetes Scheduler
Documentation=https://github.com/GoogleCloudPlatform/kubernetes
[Service]
ExecStart=/usr/local/bin/kube-scheduler \\
--logtostderr=${KUBE_LOGTOSTDERR} \\
--v=${KUBE_LOG_LEVEL} \\
--master=${KUBE_MASTER} \\
--log-dir='/var/log/scheduler'
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable scheduler
systemctl start scheduler
启动服务systemctl start scheduler.service
4.5 安装kubelet,kube-proxy
这两个组件安装在minion端，将在master下载的kubernetes-server-linux-amd64.tar.gz解压后的kubernetes/server/bin下的kubelet,kube-proxy复制到minion的/usr/local/bin下
cp kubernetes/server/bin/{kubelet,kube-proxy} /usr/local/bin
制作启动脚本
kubelet启动脚本
cat kubelet.sh
#!/bin/sh
KUBE_LOGTOSTDERR=true
KUBE_LOG_LEVEL=4
KUBE_SERVERS=http://192.168.100.20:8080
MINION_HOSTNAME=192.168.100.93
cat ?
[Unit]
Description=Kubernetes Kubelet
After=docker.socket cadvisor.service
Requires=docker.socket
[Service]
ExecStart=/usr/local/bin/kubelet \\
--logtostderr=${KUBE_LOGTOSTDERR} \\
--v=${KUBE_LOG_LEVEL} \\
--api_servers=${KUBE_SERVERS} \\
--hostname_override=${MINION_HOSTNAME} \\
--cluster-DNS=10.10.10.10 \\
--cluster-domain=cluster.local \\
--allow-privileged=true \\
--pod-infra-container-image=registry:5000/pause-amd64:3.0
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable kubelet
systemctl start kubelet
启动服务
systemctl start kubelet.service
kube-proxy启动脚本
cat proxy.sh
#!/bin/sh
KUBE_LOGTOSTDERR=true
KUBE_LOG_LEVEL=4
KUBE_SERVERS=http://192.168.100.20:8080
cat ?
[Unit]
Description=Kubernetes Proxy
# the proxy crashes if etcd isn't reachable.
# https://github.com/GoogleCloudPlatform/kubernetes/issues/1206
After=network.target
[Service]
ExecStart=/usr/local/bin/kube-proxy \\
--logtostderr=${KUBE_LOGTOSTDERR} \\
--v=${KUBE_LOG_LEVEL} \\
--master=${KUBE_SERVERS}
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable proxy
systemctl start proxy
启动服务systemctl start proxy.service
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