CentOS7.2中使用Kubernetes（k8s)1.4.6源码搭建k8s容器集群环境
#!/bin/bash # Copyright 2016 The Kubernetes Authors.#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
MASTER_ADDRESS=${1:-"192.168.3.87"}
ETCD_SERVERS=${2:-"http://192.168.3.87:2379"}
SERVICE_CLUSTER_IP_RANGE=${3:-"10.254.0.0/16"}
ADMISSION_CONTROL=${4:-"NamespaceLifecycle,NamespaceExists,LimitRanger,SecurityContextDeny,ResourceQuota"}
cat <<EOF >/etc/kubernetes/config
# --logtostderr=true: log to standard error instead of files
KUBE_LOGTOSTDERR="--logtostderr=true"
# --v=0: log level for V logs
KUBE_LOG_LEVEL="--v=0"
# --allow-privileged=false: If true, allow privileged containers.
KUBE_ALLOW_PRIV="--allow-privileged=false"
# How the controller-manager, scheduler, and proxy find the apiserver
KUBE_MASTER="--master=${MASTER_ADDRESS}:8080"
EOF
cat <<EOF >/etc/kubernetes/apiserver
# --insecure-bind-address=127.0.0.1: The IP address on which to serve the --insecure-port.
KUBE_API_ADDRESS="--insecure-bind-address=0.0.0.0"
# --insecure-port=8080: The port on which to serve unsecured, unauthenticated access.
KUBE_API_PORT="--insecure-port=8080"
# --kubelet-port=10250: Kubelet port
NODE_PORT="--kubelet-port=10250"
# --etcd-servers=[]: List of etcd servers to watch (http://ip:port),
# comma separated. Mutually exclusive with -etcd-config
KUBE_ETCD_SERVERS="--etcd-servers=${ETCD_SERVERS}"
# --advertise-address=<nil>: The IP address on which to advertise
# the apiserver to members of the cluster.
KUBE_ADVERTISE_ADDR="--advertise-address=${MASTER_ADDRESS}"
# --service-cluster-ip-range=<nil>: A CIDR notation IP range from which to assign service cluster IPs.
# This must not overlap with any IP ranges assigned to nodes for pods.
KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=${SERVICE_CLUSTER_IP_RANGE}"
# --admission-control="AlwaysAdmit": Ordered list of plug-ins
# to do admission control of resources into cluster.
# Comma-delimited list of:
# LimitRanger, AlwaysDeny, SecurityContextDeny, NamespaceExists,
# NamespaceLifecycle, NamespaceAutoProvision,
# AlwaysAdmit, ServiceAccount, ResourceQuota, DefaultStorageClass
KUBE_ADMISSION_CONTROL="--admission-control=${ADMISSION_CONTROL}"
# Add your own!
KUBE_API_ARGS=""
EOF
KUBE_APISERVER_OPTS=" \${KUBE_LOGTOSTDERR} \\
\${KUBE_LOG_LEVEL} \\
\${KUBE_ETCD_SERVERS} \\
\${KUBE_API_ADDRESS} \\
\${KUBE_API_PORT} \\
\${NODE_PORT} \\
\${KUBE_ADVERTISE_ADDR} \\
\${KUBE_ALLOW_PRIV} \\
\${KUBE_SERVICE_ADDRESSES} \\
\${KUBE_ADMISSION_CONTROL} \\
\${KUBE_API_ARGS}"
cat <<EOF >/usr/lib/systemd/system/kube-apiserver.service
Description=Kubernetes API Server
Documentation=https://github.com/kubernetes/kubernetes
After=network.target
After=etcd.service
EnvironmentFile=-/etc/kubernetes/config
EnvironmentFile=-/etc/kubernetes/apiserver
ExecStart=/usr/bin/kube-apiserver ${KUBE_APISERVER_OPTS}
Restart=on-failure
Type=notify
LimitNOFILE=65536
WantedBy=multi-user.target
EOF
cat <<EOF >/etc/kubernetes/controller-manager
###
# The following values are used to configure the kubernetes controller-manager
# defaults from config and apiserver should be adequate
# Add your own!
KUBE_CONTROLLER_MANAGER_ARGS=""
EOF
KUBE_CONTROLLER_MANAGER_OPTS="\${KUBE_LOGTOSTDERR} \\
\${KUBE_LOG_LEVEL} \\
\${KUBE_MASTER} \\
\${KUBE_CONTROLLER_MANAGER_ARGS}"
cat <<EOF >/usr/lib/systemd/system/kube-controller-manager.service
Description=Kubernetes Controller Manager
Documentation=https://github.com/kubernetes/kubernetes
EnvironmentFile=-/etc/kubernetes/config
EnvironmentFile=-/etc/kubernetes/controller-manager
ExecStart=/usr/bin/kube-controller-manager ${KUBE_CONTROLLER_MANAGER_OPTS}
Restart=on-failure
LimitNOFILE=65536
WantedBy=multi-user.target
EOF
cat <<EOF >/etc/kubernetes/scheduler
###
# kubernetes scheduler config
# Add your own!
KUBE_SCHEDULER_ARGS=""
EOF
KUBE_SCHEDULER_OPTS=" \${KUBE_LOGTOSTDERR} \\
\${KUBE_LOG_LEVEL} \\
\${KUBE_MASTER} \\
\${KUBE_SCHEDULER_ARGS}"
cat <<EOF >/usr/lib/systemd/system/kube-scheduler.service
Description=Kubernetes Scheduler
Documentation=https://github.com/kubernetes/kubernetes
EnvironmentFile=-/etc/kubernetes/config
EnvironmentFile=-/etc/kubernetes/scheduler
ExecStart=/usr/bin/kube-scheduler ${KUBE_SCHEDULER_OPTS}
Restart=on-failure
LimitNOFILE=65536
WantedBy=multi-user.target
EOF
systemctl daemon-reload
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