44 lines
1.1 KiB
Bash
Executable File
44 lines
1.1 KiB
Bash
Executable File
#!/bin/bash
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# script that runs
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# https://kubernetes.io/docs/setup/production-environment/container-runtime
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yum install -y vim yum-utils device-mapper-persistent-data lvm2
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yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
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# notice that only verified versions of Docker may be installed
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# verify the documentation to check if a more recent version is available
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yum install -y docker-ce
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[ ! -d /etc/docker ] && mkdir /etc/docker
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cat > /etc/docker/daemon.json <<EOF
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{
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"exec-opts": ["native.cgroupdriver=systemd"],
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"log-driver": "json-file",
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"log-opts": {
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"max-size": "100m"
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},
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"storage-driver": "overlay2",
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"storage-opts": [
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"overlay2.override_kernel_check=true"
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]
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}
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EOF
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cat >> /etc/hosts << EOF
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{
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192.168.4.110 control.example.com control
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192.168.4.111 worker1.example.com worker1
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192.168.4.112 worker2.example.com worker2
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192.168.4.113 worker3.example.com worker3
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}
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EOF
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mkdir -p /etc/systemd/system/docker.service.d
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systemctl daemon-reload
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systemctl restart docker
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systemctl enable docker
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systemctl disable --now firewalld
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