add k3s

ansible/roles/k3s/master/templates/content.j2

@@ -0,0 +1,5 @@
+{#
+    This is a really simple template that just outputs the
+    value of the "content" variable.
+#}
+{{ content }}

ansible/roles/k3s/master/templates/k3s.service.j2

@@ -0,0 +1,24 @@
+[Unit]
+Description=Lightweight Kubernetes
+Documentation=https://k3s.io
+After=network-online.target
+
+[Service]
+Type=notify
+ExecStartPre=-/sbin/modprobe br_netfilter
+ExecStartPre=-/sbin/modprobe overlay
+ExecStart=/usr/local/bin/k3s server {{ extra_server_args | default("") }}
+KillMode=process
+Delegate=yes
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNOFILE=1048576
+LimitNPROC=infinity
+LimitCORE=infinity
+TasksMax=infinity
+TimeoutStartSec=0
+Restart=always
+RestartSec=5s
+
+[Install]
+WantedBy=multi-user.target

ansible/roles/k3s/master/templates/metallb.configmap.j2

@@ -0,0 +1,12 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  namespace: metallb-system
+  name: config
+data:
+  config: |
+    address-pools:
+    - name: default
+      protocol: layer2
+      addresses:
+      - {{ metal_lb_ip_range }}

ansible/roles/k3s/master/templates/metallb.namespace.j2

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: metallb-system
+  labels:
+    app: metallb

ansible/roles/k3s/master/templates/vip.rbac.yaml.j2

@@ -0,0 +1,32 @@
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kube-vip
+  namespace: kube-system
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: ClusterRole
+metadata:
+  annotations:
+    rbac.authorization.kubernetes.io/autoupdate: "true"
+  name: system:kube-vip-role
+rules:
+  - apiGroups: [""]
+    resources: ["services", "services/status", "nodes", "endpoints"]
+    verbs: ["list","get","watch", "update"]
+  - apiGroups: ["coordination.k8s.io"]
+    resources: ["leases"]
+    verbs: ["list", "get", "watch", "update", "create"]
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: system:kube-vip-binding
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: system:kube-vip-role
+subjects:
+- kind: ServiceAccount
+  name: kube-vip
+  namespace: kube-system

ansible/roles/k3s/master/templates/vip.yaml.j2

@@ -0,0 +1,77 @@
+apiVersion: apps/v1
+kind: DaemonSet
+metadata:
+  name: kube-vip-ds
+  namespace: kube-system
+spec:
+  selector:
+    matchLabels:
+      name: kube-vip-ds
+  template:
+    metadata:
+      labels:
+        name: kube-vip-ds
+    spec:
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: node-role.kubernetes.io/master
+                operator: Exists
+            - matchExpressions:
+              - key: node-role.kubernetes.io/control-plane
+                operator: Exists
+      containers:
+      - args:
+        - manager
+        env:
+        - name: vip_arp
+          value: "true"
+        - name: port
+          value: "6443"
+        - name: vip_interface
+          value: {{ flannel_iface }}
+        - name: vip_cidr
+          value: "{{ apiserver_endpoint | ansible.utils.ipsubnet | ansible.utils.ipaddr('prefix') }}"
+        - name: cp_enable
+          value: "true"
+        - name: cp_namespace
+          value: kube-system
+        - name: vip_ddns
+          value: "false"
+        - name: svc_enable
+          value: "false"
+        - name: vip_leaderelection
+          value: "true"
+        - name: vip_leaseduration
+          value: "15"
+        - name: vip_renewdeadline
+          value: "10"
+        - name: vip_retryperiod
+          value: "2"
+        - name: address
+          value: {{ apiserver_endpoint }}
+        image: ghcr.io/kube-vip/kube-vip:{{ kube_vip_tag_version }}
+        imagePullPolicy: Always
+        name: kube-vip
+        resources: {}
+        securityContext:
+          capabilities:
+            add:
+            - NET_ADMIN
+            - NET_RAW
+            - SYS_TIME
+      hostNetwork: true
+      serviceAccountName: kube-vip
+      tolerations:
+      - effect: NoSchedule
+        operator: Exists
+      - effect: NoExecute
+        operator: Exists
+  updateStrategy: {}
+status:
+  currentNumberScheduled: 0
+  desiredNumberScheduled: 0
+  numberMisscheduled: 0
+  numberReady: 0