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|
#cloud-config
write_files:
# Setup containerd.
- path: /etc/systemd/system/containerd-installation.service
permissions: 0644
owner: root
content: |
# installed by cloud-init
[Unit]
Description=Download and install containerd binaries and configurations.
After=network-online.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/bin/mkdir -p /home/containerd
ExecStartPre=/bin/mount --bind /home/containerd /home/containerd
ExecStartPre=/bin/mount -o remount,exec /home/containerd
ExecStartPre=/usr/bin/curl --fail --retry 5 --retry-delay 3 --silent --show-error -H "X-Google-Metadata-Request: True" -o /home/containerd/configure.sh http://metadata.google.internal/computeMetadata/v1/instance/attributes/containerd-configure-sh
ExecStartPre=/bin/chmod 544 /home/containerd/configure.sh
ExecStart=/home/containerd/configure.sh
[Install]
WantedBy=containerd.target
- path: /etc/systemd/system/containerd.service
permissions: 0644
owner: root
content: |
# installed by cloud-init
[Unit]
Description=containerd container runtime
Documentation=https://containerd.io
After=containerd-installation.service
[Service]
Restart=always
RestartSec=5
Delegate=yes
KillMode=process
OOMScoreAdjust=-999
LimitNOFILE=1048576
# Having non-zero Limit*s causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
LimitNPROC=infinity
LimitCORE=infinity
TasksMax=infinity
ExecStartPre=/sbin/modprobe overlay
EnvironmentFile=-/etc/containerd/containerd.env
ExecStart=/home/containerd/usr/local/bin/containerd
[Install]
WantedBy=containerd.target
- path: /etc/systemd/system/containerd.target
permissions: 0644
owner: root
content: |
[Unit]
Description=Containerd
[Install]
WantedBy=kubernetes.target
# Setup kubernetes.
- path: /etc/systemd/system/kube-node-installation.service
permissions: 0644
owner: root
content: |
[Unit]
Description=Download and install k8s binaries and configurations
After=network-online.target containerd.target
Wants=network-online.target containerd.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/bin/mkdir -p /home/kubernetes/bin
ExecStartPre=/bin/mount --bind /home/kubernetes/bin /home/kubernetes/bin
ExecStartPre=/bin/mount -o remount,exec /home/kubernetes/bin
ExecStartPre=/usr/bin/curl --fail --retry 5 --retry-delay 3 --silent --show-error -H "X-Google-Metadata-Request: True" -o /home/kubernetes/bin/configure.sh http://metadata.google.internal/computeMetadata/v1/instance/attributes/configure-sh
ExecStartPre=/bin/chmod 544 /home/kubernetes/bin/configure.sh
ExecStart=/home/kubernetes/bin/configure.sh
[Install]
WantedBy=kubernetes.target
- path: /etc/systemd/system/kube-node-configuration.service
permissions: 0644
owner: root
content: |
[Unit]
Description=Configure kubernetes node
After=kube-node-installation.service
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStartPre=/bin/chmod 544 /home/kubernetes/bin/configure-helper.sh
ExecStart=/home/kubernetes/bin/configure-helper.sh
[Install]
WantedBy=kubernetes.target
- path: /etc/systemd/system/kube-container-runtime-monitor.service
permissions: 0644
owner: root
content: |
[Unit]
Description=Kubernetes health monitoring for container runtime
After=kube-node-configuration.service
[Service]
Restart=always
RestartSec=10
RemainAfterExit=yes
RemainAfterExit=yes
ExecStartPre=/bin/chmod 544 /home/kubernetes/bin/health-monitor.sh
ExecStart=/home/kubernetes/bin/health-monitor.sh container-runtime
[Install]
WantedBy=kubernetes.target
- path: /etc/systemd/system/kubelet-monitor.service
permissions: 0644
owner: root
content: |
[Unit]
Description=Kubernetes health monitoring for kubelet
After=kube-node-configuration.service
[Service]
Restart=always
RestartSec=10
RemainAfterExit=yes
ExecStartPre=/bin/chmod 544 /home/kubernetes/bin/health-monitor.sh
ExecStart=/home/kubernetes/bin/health-monitor.sh kubelet
[Install]
WantedBy=kubernetes.target
- path: /etc/systemd/system/kube-logrotate.timer
permissions: 0644
owner: root
content: |
[Unit]
Description=Hourly kube-logrotate invocation
[Timer]
OnCalendar=hourly
[Install]
WantedBy=kubernetes.target
- path: /etc/systemd/system/kube-logrotate.service
permissions: 0644
owner: root
content: |
[Unit]
Description=Kubernetes log rotation
After=kube-node-configuration.service
[Service]
Type=oneshot
ExecStart=-/usr/sbin/logrotate /etc/logrotate.conf
[Install]
WantedBy=kubernetes.target
- path: /etc/systemd/system/kubernetes.target
permissions: 0644
owner: root
content: |
[Unit]
Description=Kubernetes
[Install]
WantedBy=multi-user.target
runcmd:
# Stop the existing containerd service if there is one. (for Docker 18.09+)
- systemctl is-active containerd && systemctl stop containerd
- systemctl daemon-reload
- systemctl enable containerd-installation.service
- systemctl enable containerd.service
- systemctl enable containerd.target
- systemctl enable kube-node-installation.service
- systemctl enable kube-node-configuration.service
- systemctl enable kubelet-monitor.service
- systemctl enable kube-container-runtime-monitor.service
- systemctl enable kube-logrotate.timer
- systemctl enable kube-logrotate.service
- systemctl enable kubernetes.target
- systemctl start kubernetes.target
# Start docker after containerd is running. (for Docker 18.09+)
- systemctl is-enabled docker && (systemctl is-active docker || systemctl start docker)
|
