143 lines
4.8 KiB
YAML
143 lines
4.8 KiB
YAML
variant: flatcar
|
|
version: 1.0.0
|
|
systemd:
|
|
units:
|
|
- name: docker.service
|
|
enabled: true
|
|
- name: locksmithd.service
|
|
mask: true
|
|
- name: kubelet.path
|
|
enabled: true
|
|
contents: |
|
|
[Unit]
|
|
Description=Watch for kubeconfig
|
|
[Path]
|
|
PathExists=/etc/kubernetes/kubeconfig
|
|
[Install]
|
|
WantedBy=multi-user.target
|
|
- name: wait-for-dns.service
|
|
enabled: true
|
|
contents: |
|
|
[Unit]
|
|
Description=Wait for DNS entries
|
|
Wants=systemd-resolved.service
|
|
Before=kubelet.service
|
|
[Service]
|
|
Type=oneshot
|
|
RemainAfterExit=true
|
|
ExecStart=/bin/sh -c 'while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done'
|
|
[Install]
|
|
RequiredBy=kubelet.service
|
|
- name: kubelet.service
|
|
contents: |
|
|
[Unit]
|
|
Description=Kubelet
|
|
Requires=docker.service
|
|
After=docker.service
|
|
Wants=rpc-statd.service
|
|
[Service]
|
|
Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.25.0
|
|
ExecStartPre=/bin/mkdir -p /etc/cni/net.d
|
|
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
|
|
ExecStartPre=/bin/mkdir -p /opt/cni/bin
|
|
ExecStartPre=/bin/mkdir -p /var/lib/calico
|
|
ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
|
|
ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
|
|
# Podman, rkt, or runc run container processes, whereas docker run
|
|
# is a client to a daemon and requires workarounds to use within a
|
|
# systemd unit. https://github.com/moby/moby/issues/6791
|
|
ExecStartPre=/usr/bin/docker run -d \
|
|
--name kubelet \
|
|
--privileged \
|
|
--pid host \
|
|
--network host \
|
|
-v /etc/cni/net.d:/etc/cni/net.d:ro \
|
|
-v /etc/kubernetes:/etc/kubernetes:ro \
|
|
-v /etc/machine-id:/etc/machine-id:ro \
|
|
-v /usr/lib/os-release:/etc/os-release:ro \
|
|
-v /lib/modules:/lib/modules:ro \
|
|
-v /run:/run \
|
|
-v /sys/fs/cgroup:/sys/fs/cgroup \
|
|
-v /var/lib/calico:/var/lib/calico:ro \
|
|
-v /var/lib/containerd:/var/lib/containerd \
|
|
-v /var/lib/kubelet:/var/lib/kubelet:rshared \
|
|
-v /var/log:/var/log \
|
|
-v /opt/cni/bin:/opt/cni/bin \
|
|
$${KUBELET_IMAGE} \
|
|
--bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \
|
|
--config=/etc/kubernetes/kubelet.yaml \
|
|
--container-runtime-endpoint=unix:///run/containerd/containerd.sock \
|
|
--hostname-override=${domain_name} \
|
|
--kubeconfig=/var/lib/kubelet/kubeconfig \
|
|
--node-labels=node.kubernetes.io/node \
|
|
%{~ for label in compact(split(",", node_labels)) ~}
|
|
--node-labels=${label} \
|
|
%{~ endfor ~}
|
|
%{~ for taint in compact(split(",", node_taints)) ~}
|
|
--register-with-taints=${taint} \
|
|
%{~ endfor ~}
|
|
--node-labels=node.kubernetes.io/node
|
|
ExecStart=docker logs -f kubelet
|
|
ExecStop=docker stop kubelet
|
|
ExecStopPost=docker rm kubelet
|
|
Restart=always
|
|
RestartSec=5
|
|
[Install]
|
|
WantedBy=multi-user.target
|
|
|
|
storage:
|
|
directories:
|
|
- path: /etc/kubernetes
|
|
mode: 0755
|
|
files:
|
|
- path: /etc/hostname
|
|
mode: 0644
|
|
contents:
|
|
inline:
|
|
${domain_name}
|
|
- path: /etc/kubernetes/kubelet.yaml
|
|
mode: 0644
|
|
contents:
|
|
inline: |
|
|
apiVersion: kubelet.config.k8s.io/v1beta1
|
|
kind: KubeletConfiguration
|
|
authentication:
|
|
anonymous:
|
|
enabled: false
|
|
webhook:
|
|
enabled: true
|
|
x509:
|
|
clientCAFile: /etc/kubernetes/ca.crt
|
|
authorization:
|
|
mode: Webhook
|
|
cgroupDriver: systemd
|
|
clusterDNS:
|
|
- ${cluster_dns_service_ip}
|
|
clusterDomain: ${cluster_domain_suffix}
|
|
healthzPort: 0
|
|
featureGates:
|
|
LocalStorageCapacityIsolationFSQuotaMonitoring: false
|
|
rotateCertificates: true
|
|
shutdownGracePeriod: 45s
|
|
shutdownGracePeriodCriticalPods: 30s
|
|
staticPodPath: /etc/kubernetes/manifests
|
|
readOnlyPort: 0
|
|
resolvConf: /run/systemd/resolve/resolv.conf
|
|
volumePluginDir: /var/lib/kubelet/volumeplugins
|
|
- path: /etc/systemd/logind.conf.d/inhibitors.conf
|
|
contents:
|
|
inline: |
|
|
[Login]
|
|
InhibitDelayMaxSec=45s
|
|
- path: /etc/sysctl.d/max-user-watches.conf
|
|
mode: 0644
|
|
contents:
|
|
inline: |
|
|
fs.inotify.max_user_watches=16184
|
|
passwd:
|
|
users:
|
|
- name: core
|
|
ssh_authorized_keys:
|
|
- ${ssh_authorized_key}
|
|
|