108 lines
4.3 KiB
Bash
Executable file
108 lines
4.3 KiB
Bash
Executable file
#!/bin/bash
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# Copyright 2014 The Kubernetes Authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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MASTER_ADDRESS=${1:-"8.8.8.18"}
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ETCD_SERVERS=${2:-"http://8.8.8.18:2379"}
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SERVICE_CLUSTER_IP_RANGE=${3:-"10.10.10.0/24"}
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ADMISSION_CONTROL=${4:-""}
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cat <<EOF >/opt/kubernetes/cfg/kube-apiserver
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# --logtostderr=true: log to standard error instead of files
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KUBE_LOGTOSTDERR="--logtostderr=true"
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# --v=0: log level for V logs
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KUBE_LOG_LEVEL="--v=4"
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# --etcd-servers=[]: List of etcd servers to watch (http://ip:port),
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# comma separated. Mutually exclusive with -etcd-config
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KUBE_ETCD_SERVERS="--etcd-servers=${ETCD_SERVERS}"
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# --insecure-bind-address=127.0.0.1: The IP address on which to serve the --insecure-port.
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KUBE_API_ADDRESS="--insecure-bind-address=${MASTER_ADDRESS}"
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# --insecure-port=8080: The port on which to serve unsecured, unauthenticated access.
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KUBE_API_PORT="--insecure-port=8080"
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# --kubelet-port=10250: Kubelet port
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NODE_PORT="--kubelet-port=10250"
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# --advertise-address=<nil>: The IP address on which to advertise
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# the apiserver to members of the cluster.
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KUBE_ADVERTISE_ADDR="--advertise-address=${MASTER_ADDRESS}"
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# --allow-privileged=false: If true, allow privileged containers.
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KUBE_ALLOW_PRIV="--allow-privileged=false"
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# --service-cluster-ip-range=<nil>: A CIDR notation IP range from which to assign service cluster IPs.
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# This must not overlap with any IP ranges assigned to nodes for pods.
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KUBE_SERVICE_ADDRESSES="--service-cluster-ip-range=${SERVICE_CLUSTER_IP_RANGE}"
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# --admission-control="AlwaysAdmit": Ordered list of plug-ins
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# to do admission control of resources into cluster.
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# Comma-delimited list of:
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# LimitRanger, AlwaysDeny, SecurityContextDeny, NamespaceExists,
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# NamespaceLifecycle, NamespaceAutoProvision,
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# AlwaysAdmit, ServiceAccount, ResourceQuota, DefaultStorageClass
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KUBE_ADMISSION_CONTROL="--admission-control=${ADMISSION_CONTROL}"
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# --client-ca-file="": If set, any request presenting a client certificate signed
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# by one of the authorities in the client-ca-file is authenticated with an identity
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# corresponding to the CommonName of the client certificate.
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KUBE_API_CLIENT_CA_FILE="--client-ca-file=/srv/kubernetes/ca.crt"
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# --tls-cert-file="": File containing x509 Certificate for HTTPS. (CA cert, if any,
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# concatenated after server cert). If HTTPS serving is enabled, and --tls-cert-file
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# and --tls-private-key-file are not provided, a self-signed certificate and key are
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# generated for the public address and saved to /var/run/kubernetes.
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KUBE_API_TLS_CERT_FILE="--tls-cert-file=/srv/kubernetes/server.cert"
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# --tls-private-key-file="": File containing x509 private key matching --tls-cert-file.
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KUBE_API_TLS_PRIVATE_KEY_FILE="--tls-private-key-file=/srv/kubernetes/server.key"
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EOF
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KUBE_APISERVER_OPTS=" \${KUBE_LOGTOSTDERR} \\
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\${KUBE_LOG_LEVEL} \\
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\${KUBE_ETCD_SERVERS} \\
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\${KUBE_API_ADDRESS} \\
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\${KUBE_API_PORT} \\
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\${NODE_PORT} \\
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\${KUBE_ADVERTISE_ADDR} \\
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\${KUBE_ALLOW_PRIV} \\
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\${KUBE_SERVICE_ADDRESSES} \\
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\${KUBE_ADMISSION_CONTROL} \\
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\${KUBE_API_CLIENT_CA_FILE} \\
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\${KUBE_API_TLS_CERT_FILE} \\
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\${KUBE_API_TLS_PRIVATE_KEY_FILE}"
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cat <<EOF >/usr/lib/systemd/system/kube-apiserver.service
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[Unit]
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Description=Kubernetes API Server
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Documentation=https://github.com/kubernetes/kubernetes
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[Service]
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EnvironmentFile=-/opt/kubernetes/cfg/kube-apiserver
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ExecStart=/opt/kubernetes/bin/kube-apiserver ${KUBE_APISERVER_OPTS}
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Restart=on-failure
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[Install]
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WantedBy=multi-user.target
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EOF
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systemctl daemon-reload
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systemctl enable kube-apiserver
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systemctl restart kube-apiserver
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