mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-10-31 13:50:01 +00:00
109 lines
4.3 KiB
Bash
Executable File
109 lines
4.3 KiB
Bash
Executable File
#!/bin/bash
|
|
|
|
# Copyright 2014 The Kubernetes Authors All rights reserved.
|
|
#
|
|
# 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=${1:-"8.8.8.18"}
|
|
ETCD_SERVERS=${2:-"http://8.8.8.18:4001"}
|
|
SERVICE_CLUSTER_IP_RANGE=${3:-"10.10.10.0/24"}
|
|
ADMISSION_CONTROL=${4:-""}
|
|
|
|
cat <<EOF >/opt/kubernetes/cfg/kube-apiserver
|
|
# --logtostderr=true: log to standard error instead of files
|
|
KUBE_LOGTOSTDERR="--logtostderr=true"
|
|
|
|
# --v=0: log level for V logs
|
|
KUBE_LOG_LEVEL="--v=4"
|
|
|
|
# --etcd-servers=[]: List of etcd servers to watch (http://ip:port),
|
|
# comma separated. Mutually exclusive with -etcd-config
|
|
KUBE_ETCD_SERVERS="--etcd-servers=${ETCD_SERVERS}"
|
|
|
|
# --insecure-bind-address=127.0.0.1: The IP address on which to serve the --insecure-port.
|
|
KUBE_API_ADDRESS="--insecure-bind-address=${MASTER_ADDRESS}"
|
|
|
|
# --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"
|
|
|
|
# --advertise-address=<nil>: The IP address on which to advertise
|
|
# the apiserver to members of the cluster.
|
|
KUBE_ADVERTISE_ADDR="--advertise-address=${MASTER_ADDRESS}"
|
|
|
|
# --allow-privileged=false: If true, allow privileged containers.
|
|
KUBE_ALLOW_PRIV="--allow-privileged=false"
|
|
|
|
# --service-cluster-ip-range=<nil>: A CIDR notation IP range from which to assign service cluster IPs.
|
|
# This must not overlap with any IP ranges assigned to nodes for pods.
|
|
KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=${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
|
|
KUBE_ADMISSION_CONTROL="--admission-control=${ADMISSION_CONTROL}"
|
|
|
|
# --client-ca-file="": If set, any request presenting a client certificate signed
|
|
# by one of the authorities in the client-ca-file is authenticated with an identity
|
|
# corresponding to the CommonName of the client certificate.
|
|
KUBE_API_CLIENT_CA_FILE="--client-ca-file=/srv/kubernetes/ca.crt"
|
|
|
|
# --tls-cert-file="": File containing x509 Certificate for HTTPS. (CA cert, if any,
|
|
# concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file
|
|
# and --tls-private-key-file are not provided, a self-signed certificate and key are
|
|
# generated for the public address and saved to /var/run/kubernetes.
|
|
KUBE_API_TLS_CERT_FILE="--tls-cert-file=/srv/kubernetes/server.cert"
|
|
|
|
# --tls-private-key-file="": File containing x509 private key matching --tls-cert-file.
|
|
KUBE_API_TLS_PRIVATE_KEY_FILE="--tls-private-key-file=/srv/kubernetes/server.key"
|
|
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_CLIENT_CA_FILE} \\
|
|
\${KUBE_API_TLS_CERT_FILE} \\
|
|
\${KUBE_API_TLS_PRIVATE_KEY_FILE}"
|
|
|
|
|
|
cat <<EOF >/usr/lib/systemd/system/kube-apiserver.service
|
|
[Unit]
|
|
Description=Kubernetes API Server
|
|
Documentation=https://github.com/GoogleCloudPlatform/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 start kube-apiserver
|