# https://raw.githubusercontent.com/google/metallb/v0.8.3/manifests/metallb.yaml
apiVersion: v1
kind: Namespace
metadata:
  labels:
    app: metallb
  name: metallb-system
---
apiVersion: policy/v1beta1
kind: PodSecurityPolicy
metadata:
  labels:
    app: metallb
  name: speaker
  namespace: metallb-system
spec:
  allowPrivilegeEscalation: false
  allowedCapabilities:
    - NET_ADMIN
    - NET_RAW
    - SYS_ADMIN
  fsGroup:
    rule: RunAsAny
  hostNetwork: true
  hostPorts:
    - max: 7472
      min: 7472
  privileged: true
  runAsUser:
    rule: RunAsAny
  seLinux:
    rule: RunAsAny
  supplementalGroups:
    rule: RunAsAny
  volumes:
    - "*"
---
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    app: metallb
  name: controller
  namespace: metallb-system
---
apiVersion: v1
kind: ServiceAccount
metadata:
  labels:
    app: metallb
  name: speaker
  namespace: metallb-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  labels:
    app: metallb
  name: metallb-system:controller
rules:
  - apiGroups:
      - ""
    resources:
      - services
    verbs:
      - get
      - list
      - watch
      - update
  - apiGroups:
      - ""
    resources:
      - services/status
    verbs:
      - update
  - apiGroups:
      - ""
    resources:
      - events
    verbs:
      - create
      - patch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  labels:
    app: metallb
  name: metallb-system:speaker
rules:
  - apiGroups:
      - ""
    resources:
      - services
      - endpoints
      - nodes
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - events
    verbs:
      - create
      - patch
  - apiGroups:
      - extensions
    resourceNames:
      - speaker
    resources:
      - podsecuritypolicies
    verbs:
      - use
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  labels:
    app: metallb
  name: config-watcher
  namespace: metallb-system
rules:
  - apiGroups:
      - ""
    resources:
      - configmaps
    verbs:
      - get
      - list
      - watch
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  labels:
    app: metallb
  name: metallb-system:controller
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: metallb-system:controller
subjects:
  - kind: ServiceAccount
    name: controller
    namespace: metallb-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  labels:
    app: metallb
  name: metallb-system:speaker
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: metallb-system:speaker
subjects:
  - kind: ServiceAccount
    name: speaker
    namespace: metallb-system
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  labels:
    app: metallb
  name: config-watcher
  namespace: metallb-system
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: config-watcher
subjects:
  - kind: ServiceAccount
    name: controller
  - kind: ServiceAccount
    name: speaker
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  labels:
    app: metallb
    component: speaker
  name: speaker
  namespace: metallb-system
spec:
  selector:
    matchLabels:
      app: metallb
      component: speaker
  template:
    metadata:
      annotations:
        prometheus.io/port: "7472"
        prometheus.io/scrape: "true"
      labels:
        app: metallb
        component: speaker
    spec:
      containers:
        - args:
            - --port=7472
            - --config=config
          env:
            - name: METALLB_NODE_NAME
              valueFrom:
                fieldRef:
                  fieldPath: spec.nodeName
            - name: METALLB_HOST
              valueFrom:
                fieldRef:
                  fieldPath: status.hostIP
          image: metallb/speaker:v0.8.2
          imagePullPolicy: IfNotPresent
          name: speaker
          ports:
            - containerPort: 7472
              name: monitoring
          resources:
            limits:
              cpu: 100m
              memory: 100Mi
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              add:
                - NET_ADMIN
                - NET_RAW
                - SYS_ADMIN
              drop:
                - ALL
            readOnlyRootFilesystem: true
      hostNetwork: true
      nodeSelector:
        beta.kubernetes.io/os: linux
      serviceAccountName: speaker
      terminationGracePeriodSeconds: 0
      tolerations:
        - effect: NoSchedule
          key: node-role.kubernetes.io/master
---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: metallb
    component: controller
  name: controller
  namespace: metallb-system
spec:
  revisionHistoryLimit: 3
  selector:
    matchLabels:
      app: metallb
      component: controller
  template:
    metadata:
      annotations:
        prometheus.io/port: "7472"
        prometheus.io/scrape: "true"
      labels:
        app: metallb
        component: controller
    spec:
      containers:
        - args:
            - --port=7472
            - --config=config
          image: metallb/controller:v0.8.2
          imagePullPolicy: IfNotPresent
          name: controller
          ports:
            - containerPort: 7472
              name: monitoring
          resources:
            limits:
              cpu: 100m
              memory: 100Mi
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop:
                - all
            readOnlyRootFilesystem: true
      nodeSelector:
        beta.kubernetes.io/os: linux
      securityContext:
        runAsNonRoot: true
        runAsUser: 65534
      serviceAccountName: controller
      terminationGracePeriodSeconds: 0
---
# https://gist.githubusercontent.com/mauilion/0042629742f1ec564c04d596f8244c56/raw/km-config.yaml
apiVersion: v1
kind: ConfigMap
metadata:
  namespace: metallb-system
  name: config
data:
  config: |
    address-pools:
    - name: default
      protocol: layer2
      addresses:
      - 172.17.255.1-172.17.255.250
---