blueprints/iotgateway/scripts/k8smaster_centos.sh

   1 #!/bin/bash -ex
   2 ##############################################################################
   3 # Copyright (c) 2019 Huawei Tech and others.                                 #
   4 #                                                                            #
   5 # All rights reserved. This program and the accompanying materials           #
   6 # are made available under the terms of the Apache License, Version 2.0      #
   7 # which accompanies this distribution, and is available at                   #
   8 # http://www.apache.org/licenses/LICENSE-2.0                                 #
   9 ##############################################################################
  10
  11 # constants
  12
  13 POD_NETWORK_CIDR=192.168.0.0/16
  14 KUBE_VERSION=1.17.2-0
  15 KUBERNETES_CNI=0.7.5-0
  16
  17 # start
  18
  19 hostname -I > hostname.tmp
  20 MASTER_IP="$(cut -d ' ' -f 1 hostname.tmp)"
  21 rm hostname.tmp
  22
  23 # kubernetes installation
  24
  25 sudo yum install -y kubelet-${KUBE_VERSION} kubectl-${KUBE_VERSION} \
  26 kubernetes-cni-${KUBERNETES_CNI}
  27
  28 sudo systemctl daemon-reload
  29 sudo systemctl restart kubelet
  30
  31 # Initialize kubernetes on master
  32
  33 sudo kubeadm init \
  34         --apiserver-advertise-address="${MASTER_IP}" \
  35         --pod-network-cidr="${POD_NETWORK_CIDR}"
  36
  37 mkdir -p "${HOME}/.kube"
  38 sudo cp -i /etc/kubernetes/admin.conf "${HOME}/.kube/config"
  39 sudo chown "$(id -u)":"$(id -g)" "${HOME}/.kube/config"