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create-config.sh
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create-config.sh
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#!/bin/bash
#######################################
# all masters settings below must be same
#######################################
# master01 ip address
export K8SHA_IP1=10.73.71.25
# master02 ip address
export K8SHA_IP2=10.73.71.26
# master03 ip address
export K8SHA_IP3=10.73.71.27
# master01 hostname
export K8SHA_HOSTNAME1=master01
# master02 hostname
export K8SHA_HOSTNAME2=master02
# master03 hostname
export K8SHA_HOSTNAME3=master03
#etcd tocken:
export ETCD_TOKEN=9489bf67bdfe1b3ae077d6fd9e7efefd
#etcd version
export ETCD_VERSION="v3.3.10"
##############################
# please do not modify anything below
##############################
# config etcd cluster
if [[ $1 == 'etcd' ]] || [[ $1 == 'all' ]]; then
touch /etc/etcd.env
echo PEER_NAME=$(hostname) > /etc/etcd.env
echo PRIVATE_IP=$(hostname -i) >> /etc/etcd.env
sed \
-e "s/K8SHA_IPLOCAL/$(hostname -i)/g" \
-e "s/K8SHA_IP1/$K8SHA_IP1/g" \
-e "s/K8SHA_IP2/$K8SHA_IP2/g" \
-e "s/K8SHA_IP3/$K8SHA_IP3/g" \
-e "s/K8SHA_ETCDNAME/$(hostname)/g" \
-e "s/K8SHA_HOSTNAME1/$K8SHA_HOSTNAME1/g" \
-e "s/K8SHA_HOSTNAME2/$K8SHA_HOSTNAME2/g" \
-e "s/K8SHA_HOSTNAME3/$K8SHA_HOSTNAME3/g" \
etcd/etcd.service.tmpl > /etc/systemd/system/etcd.service
echo etcd config copy to /etc/systemd/system/etcd.service
cat /etc/systemd/system/etcd.service
fi
if [[ $1 == 'docker' ]]; then
if [[ $(hostname) == master01 ]]; then
etcd_host=etcd1
elif [[ $(hostname) == master02 ]]; then
etcd_host=etcd2
elif [[ $(hostname) == master03 ]]; then
etcd_host=etcd3
fi
sed \
-e "s/IPLOCAL/$(hostname -i)/g" \
-e "s/HOSTNAME/$etcd_host/g" \
-e "s/K8SHA_IP1/$K8SHA_IP1/g" \
-e "s/K8SHA_IP2/$K8SHA_IP2/g" \
-e "s/K8SHA_IP3/$K8SHA_IP3/g" \
etcd-docker/docker-compose.yaml.tpl > etcd-docker/docker-compose.yaml
echo docker-compose file create
cat etcd-docker/docker-compose.yaml
fi
if [[ $1 == 'kubeadm' ]] || [[ $1 == 'all' ]]; then
sed \
-e "s/IPLOCAL/$(hostname -i)/g" \
-e "s/HOSTNAME/$etcd_host/g" \
-e "s/K8SHA_IP1/$K8SHA_IP1/g" \
-e "s/K8SHA_IP2/$K8SHA_IP2/g" \
-e "s/K8SHA_IP3/$K8SHA_IP3/g" \
kubeadmin/kubeadm-init.yaml.tmpl > kubeadmin/kubeadm-init.yaml
echo kubeadm-init file create
cat kubeadmin/kubeadm-init.yaml
fi
if [[ $1 == 'haproxy' ]] || [[ $1 == 'all' ]]; then
sed \
-e "s/IPLOCAL/$(hostname -i)/g" \
-e "s/K8SHA_IP1/$K8SHA_IP1/g" \
-e "s/K8SHA_IP2/$K8SHA_IP2/g" \
-e "s/K8SHA_IP3/$K8SHA_IP3/g" \
haproxy/haproxy.cfg.tmpl > /etc/haproxy/haproxy.cfg
systemctl restart haproxy.service
fi
if [[ $1 == 'ingress' ]] || [[ $1 == 'all' ]]; then
sed \
-e "s/K8SHA_IP1/$K8SHA_IP1/g" \
-e "s/K8SHA_IP2/$K8SHA_IP2/g" \
-e "s/K8SHA_IP3/$K8SHA_IP3/g" \
ingress/service-nodeport.yaml.tmpl > ingress/service-nodeport.yaml
cat ingress/service-nodeport.yaml
fi