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hetzner-capi-kubeadm-demo.yaml
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apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
kind: KubeadmConfigTemplate
metadata:
name: hetzner-capi-demo-md-0
namespace: default
spec:
template:
spec:
files:
- content: |
net.ipv4.conf.lxc*.rp_filter = 0
owner: root:root
path: /etc/sysctl.d/99-cilium.conf
permissions: "0744"
- content: |
overlay
br_netfilter
owner: root:root
path: /etc/modules-load.d/crio.conf
permissions: "0744"
- content: |
version = 2
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
runtime_type = "io.containerd.runc.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun]
runtime_type = "io.containerd.runc.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun.options]
BinaryName = "crun"
Root = "/usr/local/sbin"
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "crun"
[plugins."io.containerd.runtime.v1.linux"]
runtime = "crun"
runtime_root = "/usr/local/sbin"
owner: root:root
path: /etc/containerd/config.toml
permissions: "0744"
- content: |
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward = 1
owner: root:root
path: /etc/sysctl.d/99-kubernetes-cri.conf
permissions: "0744"
- content: |
vm.overcommit_memory=1
kernel.panic=10
kernel.panic_on_oops=1
owner: root:root
path: /etc/sysctl.d/99-kubelet.conf
permissions: "0744"
- content: |
nameserver 1.1.1.1
nameserver 1.0.0.1
nameserver 2606:4700:4700::1111
owner: root:root
path: /etc/kubernetes/resolv.conf
permissions: "0744"
joinConfiguration:
nodeRegistration:
kubeletExtraArgs:
anonymous-auth: "false"
authentication-token-webhook: "true"
authorization-mode: Webhook
cloud-provider: external
event-qps: "5"
kubeconfig: /etc/kubernetes/kubelet.conf
max-pods: "220"
read-only-port: "0"
resolv-conf: /etc/kubernetes/resolv.conf
rotate-server-certificates: "true"
tls-cipher-suites: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
preKubeadmCommands:
- set -x
- export CRUN=1.8.5
- export CONTAINERD=1.7.2
- export KUBERNETES_VERSION=$(echo v1.27.3 | sed 's/^v//')
- ARCH=amd64
- if [ "$(uname -m)" = "aarch64" ]; then ARCH=arm64; fi
- localectl set-locale LANG=en_US.UTF-8
- localectl set-locale LANGUAGE=en_US.UTF-8
- apt-get update -y
- apt-get -y install at jq unzip wget socat mtr logrotate apt-transport-https
- sed -i '/swap/d' /etc/fstab
- swapoff -a
- modprobe overlay && modprobe br_netfilter && sysctl --system
- wget https://github.com/containerd/containerd/releases/download/v$CONTAINERD/cri-containerd-cni-$CONTAINERD-linux-$ARCH.tar.gz
- wget https://github.com/containerd/containerd/releases/download/v$CONTAINERD/cri-containerd-cni-$CONTAINERD-linux-$ARCH.tar.gz.sha256sum
- sha256sum --check cri-containerd-cni-$CONTAINERD-linux-$ARCH.tar.gz.sha256sum
- tar --no-overwrite-dir -C / -xzf cri-containerd-cni-$CONTAINERD-linux-$ARCH.tar.gz
- rm -f cri-containerd-cni-$CONTAINERD-linux-$ARCH.tar.gz cri-containerd-cni-$CONTAINERD-linux-$ARCH.tar.gz.sha256sum
- wget https://github.com/containers/crun/releases/download/$CRUN/crun-$CRUN-linux-$ARCH
-O /usr/local/sbin/crun && chmod +x /usr/local/sbin/crun
- rm -f /etc/cni/net.d/10-containerd-net.conflist
- chmod -R 644 /etc/cni && chown -R root:root /etc/cni
- systemctl daemon-reload && systemctl enable containerd && systemctl start
containerd
- curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key
add -
- echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a
/etc/apt/sources.list.d/kubernetes.list
- apt-get update
- apt-get install -y kubelet=$KUBERNETES_VERSION-00 kubeadm=$KUBERNETES_VERSION-00
kubectl=$KUBERNETES_VERSION-00 bash-completion && apt-mark hold kubelet kubectl
kubeadm && systemctl enable kubelet
- kubeadm config images pull --kubernetes-version $KUBERNETES_VERSION
- echo 'source <(kubectl completion bash)' >>~/.bashrc
- echo 'export KUBECONFIG=/etc/kubernetes/admin.conf' >>~/.bashrc
- apt-get -y autoremove && apt-get -y clean all
---
apiVersion: cluster.x-k8s.io/v1beta1
kind: Cluster
metadata:
name: hetzner-capi-demo
namespace: default
spec:
clusterNetwork:
pods:
cidrBlocks:
- 10.244.0.0/16
controlPlaneRef:
apiVersion: controlplane.cluster.x-k8s.io/v1beta1
kind: KubeadmControlPlane
name: hetzner-capi-demo-control-plane
infrastructureRef:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HetznerCluster
name: hetzner-capi-demo
---
apiVersion: cluster.x-k8s.io/v1beta1
kind: MachineDeployment
metadata:
labels:
nodepool: hetzner-capi-demo-md-0
name: hetzner-capi-demo-md-0
namespace: default
spec:
clusterName: hetzner-capi-demo
replicas: 2
selector:
matchLabels: null
template:
metadata:
labels:
nodepool: hetzner-capi-demo-md-0
spec:
bootstrap:
configRef:
apiVersion: bootstrap.cluster.x-k8s.io/v1beta1
kind: KubeadmConfigTemplate
name: hetzner-capi-demo-md-0
clusterName: hetzner-capi-demo
failureDomain: nbg1
infrastructureRef:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudMachineTemplate
name: hetzner-capi-demo-md-0
version: v1.27.3
---
apiVersion: cluster.x-k8s.io/v1beta1
kind: MachineHealthCheck
metadata:
name: hetzner-capi-demo-control-plane-unhealthy-5m
namespace: default
spec:
clusterName: hetzner-capi-demo
maxUnhealthy: 100%
nodeStartupTimeout: 15m
remediationTemplate:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudRemediationTemplate
name: control-plane-remediation-request
selector:
matchLabels:
cluster.x-k8s.io/control-plane: ""
unhealthyConditions:
- status: Unknown
timeout: 180s
type: Ready
- status: "False"
timeout: 180s
type: Ready
---
apiVersion: cluster.x-k8s.io/v1beta1
kind: MachineHealthCheck
metadata:
name: hetzner-capi-demo-md-0-unhealthy-5m
namespace: default
spec:
clusterName: hetzner-capi-demo
maxUnhealthy: 100%
nodeStartupTimeout: 10m
remediationTemplate:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudRemediationTemplate
name: worker-remediation-request
selector:
matchLabels:
nodepool: hetzner-capi-demo-md-0
unhealthyConditions:
- status: Unknown
timeout: 180s
type: Ready
- status: "False"
timeout: 180s
type: Ready
---
apiVersion: controlplane.cluster.x-k8s.io/v1beta1
kind: KubeadmControlPlane
metadata:
name: hetzner-capi-demo-control-plane
namespace: default
spec:
kubeadmConfigSpec:
clusterConfiguration:
apiServer:
extraArgs:
authorization-mode: Node,RBAC
client-ca-file: /etc/kubernetes/pki/ca.crt
cloud-provider: external
default-not-ready-toleration-seconds: "45"
default-unreachable-toleration-seconds: "45"
enable-aggregator-routing: "true"
enable-bootstrap-token-auth: "true"
encryption-provider-config: /etc/kubernetes/encryption-provider.yaml
etcd-cafile: /etc/kubernetes/pki/etcd/ca.crt
etcd-certfile: /etc/kubernetes/pki/etcd/server.crt
etcd-keyfile: /etc/kubernetes/pki/etcd/server.key
kubelet-client-certificate: /etc/kubernetes/pki/apiserver-kubelet-client.crt
kubelet-client-key: /etc/kubernetes/pki/apiserver-kubelet-client.key
kubelet-preferred-address-types: ExternalIP,Hostname,InternalDNS,ExternalDNS
profiling: "false"
proxy-client-cert-file: /etc/kubernetes/pki/front-proxy-client.crt
proxy-client-key-file: /etc/kubernetes/pki/front-proxy-client.key
requestheader-allowed-names: front-proxy-client
requestheader-client-ca-file: /etc/kubernetes/pki/front-proxy-ca.crt
requestheader-extra-headers-prefix: X-Remote-Extra-
requestheader-group-headers: X-Remote-Group
requestheader-username-headers: X-Remote-User
service-account-key-file: /etc/kubernetes/pki/sa.pub
service-account-lookup: "true"
tls-cert-file: /etc/kubernetes/pki/apiserver.crt
tls-cipher-suites: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
tls-private-key-file: /etc/kubernetes/pki/apiserver.key
extraVolumes:
- hostPath: /etc/kubernetes/encryption-provider.yaml
mountPath: /etc/kubernetes/encryption-provider.yaml
name: encryption-provider
controllerManager:
extraArgs:
allocate-node-cidrs: "true"
authentication-kubeconfig: /etc/kubernetes/controller-manager.conf
authorization-kubeconfig: /etc/kubernetes/controller-manager.conf
bind-address: 0.0.0.0
cloud-provider: external
cluster-signing-cert-file: /etc/kubernetes/pki/ca.crt
cluster-signing-duration: 6h0m0s
cluster-signing-key-file: /etc/kubernetes/pki/ca.key
kubeconfig: /etc/kubernetes/controller-manager.conf
pod-eviction-timeout: 2m
profiling: "false"
requestheader-client-ca-file: /etc/kubernetes/pki/front-proxy-ca.crt
root-ca-file: /etc/kubernetes/pki/ca.crt
secure-port: "10257"
service-account-private-key-file: /etc/kubernetes/pki/sa.key
terminated-pod-gc-threshold: "10"
use-service-account-credentials: "true"
etcd:
local:
dataDir: /var/lib/etcd
extraArgs:
auto-tls: "false"
cert-file: /etc/kubernetes/pki/etcd/server.crt
cipher-suites: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
client-cert-auth: "true"
key-file: /etc/kubernetes/pki/etcd/server.key
peer-auto-tls: "false"
peer-client-cert-auth: "true"
trusted-ca-file: /etc/kubernetes/pki/etcd/ca.crt
scheduler:
extraArgs:
bind-address: 0.0.0.0
kubeconfig: /etc/kubernetes/scheduler.conf
profiling: "false"
secure-port: "10259"
files:
- content: |
apiVersion: apiserver.config.k8s.io/v1
kind: EncryptionConfiguration
resources:
- resources:
- secrets
providers:
- aescbc:
keys:
- name: key1
secret: 8d7iAcg3/NwN9aijhtEXj5kL2NOHIgokGFjbIBfL6X0=
- identity: {}
owner: root:root
path: /etc/kubernetes/encryption-provider.yaml
permissions: "0600"
- content: |
net.ipv4.conf.lxc*.rp_filter = 0
owner: root:root
path: /etc/sysctl.d/99-cilium.conf
permissions: "0744"
- content: |
overlay
br_netfilter
owner: root:root
path: /etc/modules-load.d/crio.conf
permissions: "0744"
- content: |
version = 2
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc]
runtime_type = "io.containerd.runc.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options]
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun]
runtime_type = "io.containerd.runc.v2"
[plugins."io.containerd.grpc.v1.cri".containerd.runtimes.crun.options]
BinaryName = "crun"
Root = "/usr/local/sbin"
SystemdCgroup = true
[plugins."io.containerd.grpc.v1.cri".containerd]
default_runtime_name = "crun"
[plugins."io.containerd.runtime.v1.linux"]
runtime = "crun"
runtime_root = "/usr/local/sbin"
owner: root:root
path: /etc/containerd/config.toml
permissions: "0744"
- content: |
net.bridge.bridge-nf-call-iptables = 1
net.bridge.bridge-nf-call-ip6tables = 1
net.ipv4.ip_forward = 1
owner: root:root
path: /etc/sysctl.d/99-kubernetes-cri.conf
permissions: "0744"
- content: |
vm.overcommit_memory=1
kernel.panic=10
kernel.panic_on_oops=1
owner: root:root
path: /etc/sysctl.d/99-kubelet.conf
permissions: "0744"
- content: |
nameserver 1.1.1.1
nameserver 1.0.0.1
nameserver 2606:4700:4700::1111
owner: root:root
path: /etc/kubernetes/resolv.conf
permissions: "0744"
initConfiguration:
nodeRegistration:
kubeletExtraArgs:
anonymous-auth: "false"
authentication-token-webhook: "true"
authorization-mode: Webhook
cloud-provider: external
event-qps: "5"
kubeconfig: /etc/kubernetes/kubelet.conf
max-pods: "120"
read-only-port: "0"
resolv-conf: /etc/kubernetes/resolv.conf
rotate-server-certificates: "true"
tls-cipher-suites: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
joinConfiguration:
nodeRegistration:
kubeletExtraArgs:
anonymous-auth: "false"
authentication-token-webhook: "true"
authorization-mode: Webhook
cloud-provider: external
event-qps: "5"
kubeconfig: /etc/kubernetes/kubelet.conf
max-pods: "120"
read-only-port: "0"
resolv-conf: /etc/kubernetes/resolv.conf
rotate-server-certificates: "true"
tls-cipher-suites: TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384,TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305,TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_256_GCM_SHA384,TLS_RSA_WITH_AES_128_GCM_SHA256
preKubeadmCommands:
- set -x
- export CRUN=1.8.5
- export CONTAINERD=1.7.2
- export KUBERNETES_VERSION=$(echo v1.27.3 | sed 's/^v//')
- localectl set-locale LANG=en_US.UTF-8
- localectl set-locale LANGUAGE=en_US.UTF-8
- apt-get update -y
- apt-get -y install at jq unzip wget socat mtr logrotate apt-transport-https
- sed -i '/swap/d' /etc/fstab
- swapoff -a
- modprobe overlay && modprobe br_netfilter && sysctl --system
- wget https://github.com/containerd/containerd/releases/download/v$CONTAINERD/cri-containerd-cni-$CONTAINERD-linux-amd64.tar.gz
- wget https://github.com/containerd/containerd/releases/download/v$CONTAINERD/cri-containerd-cni-$CONTAINERD-linux-amd64.tar.gz.sha256sum
- sha256sum --check cri-containerd-cni-$CONTAINERD-linux-amd64.tar.gz.sha256sum
- tar --no-overwrite-dir -C / -xzf cri-containerd-cni-$CONTAINERD-linux-amd64.tar.gz
- rm -f cri-containerd-cni-$CONTAINERD-linux-amd64.tar.gz cri-containerd-cni-$CONTAINERD-linux-amd64.tar.gz.sha256sum
- wget https://github.com/containers/crun/releases/download/$CRUN/crun-$CRUN-linux-amd64
-O /usr/local/sbin/crun && chmod +x /usr/local/sbin/crun
- rm -f /etc/cni/net.d/10-containerd-net.conflist
- chmod -R 644 /etc/cni && chown -R root:root /etc/cni
- systemctl daemon-reload && systemctl enable containerd && systemctl start containerd
- curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key
add -
- echo "deb https://apt.kubernetes.io/ kubernetes-xenial main" | sudo tee -a /etc/apt/sources.list.d/kubernetes.list
- apt-get update
- apt-get install -y kubelet=$KUBERNETES_VERSION-00 kubeadm=$KUBERNETES_VERSION-00
kubectl=$KUBERNETES_VERSION-00 bash-completion && apt-mark hold kubelet kubectl
kubeadm && systemctl enable kubelet
- kubeadm config images pull --kubernetes-version $KUBERNETES_VERSION
- echo 'source <(kubectl completion bash)' >>~/.bashrc
- echo 'export KUBECONFIG=/etc/kubernetes/admin.conf' >>~/.bashrc
- apt-get -y autoremove && apt-get -y clean all
machineTemplate:
infrastructureRef:
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudMachineTemplate
name: hetzner-capi-demo-control-plane
replicas: 1
version: v1.27.3
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudMachineTemplate
metadata:
name: hetzner-capi-demo-control-plane
namespace: default
spec:
template:
spec:
imageName: ubuntu-22.04
placementGroupName: control-plane
type: cpx31
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudMachineTemplate
metadata:
name: hetzner-capi-demo-md-0
namespace: default
spec:
template:
spec:
imageName: ubuntu-22.04
placementGroupName: md-0
type: cpx31
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudRemediationTemplate
metadata:
name: control-plane-remediation-request
namespace: default
spec:
template:
spec:
strategy:
retryLimit: 1
timeout: 180s
type: Reboot
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HCloudRemediationTemplate
metadata:
name: worker-remediation-request
namespace: default
spec:
template:
spec:
strategy:
retryLimit: 1
timeout: 180s
type: Reboot
---
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: HetznerCluster
metadata:
name: hetzner-capi-demo
namespace: default
spec:
controlPlaneEndpoint:
host: ""
port: 443
controlPlaneLoadBalancer:
region: nbg1
controlPlaneRegions:
- nbg1
hcloudNetwork:
enabled: false
hcloudPlacementGroups:
- name: control-plane
type: spread
- name: md-0
type: spread
hetznerSecretRef:
key:
hcloudToken: hcloud
hetznerRobotPassword: robot-password
hetznerRobotUser: robot-user
name: hetzner
sshKeys:
hcloud:
- name: lraus-cka_sshkey