---
apiVersion: apiextensions.k8s.io/v1beta1
kind: CustomResourceDefinition
metadata:
  name: iamidentitymappings.iamauthenticator.k8s.aws
spec:
  group: iamauthenticator.k8s.aws
  version: v1alpha1
  scope: Cluster
  names:
    plural: iamidentitymappings
    singular: iamidentitymapping
    kind: IAMIdentityMapping
    categories:
    - all
  subresources:
    status: {}
  validation:
    openAPIV3Schema:
      properties:
        spec:
          required:
          - arn
          - username
          properties:
            arn:
              type: string
            username:
              type: string
            groups:
              type: array
              items:
                type: string

---
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: aws-iam-authenticator
rules:
- apiGroups:
  - iamauthenticator.k8s.aws
  resources:
  - iamidentitymappings
  verbs:
  - get
  - list
  - watch
- apiGroups:
  - iamauthenticator.k8s.aws
  resources:
  - iamidentitymappings/status
  verbs:
  - patch
  - update
- apiGroups:
  - ""
  resources:
  - events
  verbs:
  - create
  - update
  - patch

---
apiVersion: v1
kind: ServiceAccount
metadata:
  name: aws-iam-authenticator
  namespace: kube-system

---
kind: ClusterRoleBinding
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: aws-iam-authenticator
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: aws-iam-authenticator
subjects:
- kind: ServiceAccount
  name: aws-iam-authenticator
  namespace: kube-system

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  namespace: kube-system
  name: aws-iam-authenticator
  labels:
    k8s-app: aws-iam-authenticator
spec:
  updateStrategy:
    type: RollingUpdate
  selector:
    matchLabels:
      k8s-app: aws-iam-authenticator
  template:
    metadata:
      annotations:
        scheduler.alpha.kubernetes.io/critical-pod: ""
      labels:
        k8s-app: aws-iam-authenticator
    spec:
      serviceAccountName: aws-iam-authenticator

      # run on the host network (don't depend on CNI)
      hostNetwork: true

      # run on each master node
      nodeSelector:
        node-role.kubernetes.io/master: ""
      priorityClassName: system-node-critical
      tolerations:
      - effect: NoSchedule
        key: node-role.kubernetes.io/master
      - key: CriticalAddonsOnly
        operator: Exists

      # run `aws-iam-authenticator server` with three volumes
      # - config (mounted from the ConfigMap at /etc/aws-iam-authenticator/config.yaml)
      # - state (persisted TLS certificate and keys, mounted from the host)
      # - output (output kubeconfig to plug into your apiserver configuration, mounted from the host)
      containers:
      - name: aws-iam-authenticator
        image: {{ or .Authentication.Aws.Image "602401143452.dkr.ecr.us-west-2.amazonaws.com/amazon/aws-iam-authenticator:v0.5.1-debian-stretch" }}
        args:
        - server
        {{- if or (not .Authentication.Aws.BackendMode) (contains "MountedFile" .Authentication.Aws.BackendMode) }}
        - --config=/etc/aws-iam-authenticator/config.yaml
        {{- end }}
        {{- if or .Authentication.Aws.ClusterID (and .Authentication.Aws.BackendMode (not (contains "MountedFile" .Authentication.Aws.BackendMode)))}}
        - --cluster-id={{ or .Authentication.Aws.ClusterID ClusterName }}
        {{- end }}
        - --state-dir=/var/aws-iam-authenticator
        - --kubeconfig-pregenerated=true
        {{- if .Authentication.Aws.BackendMode }}
        - --backend-mode={{ .Authentication.Aws.BackendMode }}
        {{- end }}

        resources:
          requests:
            memory: {{ or .Authentication.Aws.MemoryRequest "20Mi" }}
            cpu: {{ or .Authentication.Aws.CPURequest "10m" }}
          limits:
            memory: {{ or .Authentication.Aws.MemoryLimit "20Mi" }}
            cpu: {{ or .Authentication.Aws.CPULimit "100m" }}
        livenessProbe:
          httpGet:
            host: 127.0.0.1
            path: /healthz
            port: 21362
            scheme: HTTPS
        volumeMounts:
        {{- if or (not .Authentication.Aws.BackendMode) (contains "MountedFile" .Authentication.Aws.BackendMode) }}
        - name: config
          mountPath: /etc/aws-iam-authenticator/
        {{- end }}
        - name: state
          mountPath: /var/aws-iam-authenticator/
        - name: output
          mountPath: /etc/kubernetes/aws-iam-authenticator/
      volumes:
      {{- if or (not .Authentication.Aws.BackendMode) (contains "MountedFile" .Authentication.Aws.BackendMode) }}
      - name: config
        configMap:
          name: aws-iam-authenticator
      {{- end }}
      - name: output
        hostPath:
          path: /srv/kubernetes/aws-iam-authenticator/
      - name: state
        hostPath:
          path: /srv/kubernetes/aws-iam-authenticator/