maas/charts/maas/templates/deployment-maas-ingress.yaml

{{/*
Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/}}

{{- if .Values.manifests.maas_ingress }}
{{- $envAll := . }}
{{- $labels := tuple $envAll "maas" "ingress" | include "helm-toolkit.snippets.kubernetes_metadata_labels" -}}
{{- $serviceAccountName := "maas-ingress" }}
{{- $mounts_maas_ingress := .Values.pod.mounts.maas_ingress }}
{{- $mounts_maas_ingress_init := .Values.pod.mounts.maas_ingress.init_container }}

{{ tuple $envAll "maas_ingress" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRole
metadata:
  name: {{ $serviceAccountName }}
rules:
  - apiGroups:
      - ""
    resources:
      - configmaps
      - endpoints
      - nodes
      - pods
      - secrets
    verbs:
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - nodes
    verbs:
      - get
  - apiGroups:
      - ""
    resources:
      - services
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
      - events
    verbs:
      - create
      - patch
  - apiGroups:
      - "networking.k8s.io"
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - "networking.k8s.io"
    resources:
      - ingresses/status
    verbs:
      - update
---
apiVersion: rbac.authorization.k8s.io/v1
kind: ClusterRoleBinding
metadata:
  name: {{ $serviceAccountName }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: ClusterRole
  name: {{ $serviceAccountName }}
subjects:
  - kind: ServiceAccount
    name: {{ $serviceAccountName }}
    namespace: {{ $envAll.Release.Namespace }}
---
apiVersion: rbac.authorization.k8s.io/v1
kind: Role
metadata:
  name: {{ $serviceAccountName }}
  namespace: {{ $envAll.Release.Namespace }}
rules:
  - apiGroups:
      - ""
    resources:
      - configmaps
      - pods
      - secrets
      - namespaces
    verbs:
      - get
  - apiGroups:
      - ""
    resources:
      - configmaps
    resourceNames:
      - {{ printf "%s-maas-ingress" .Release.Name | quote }}
    verbs:
      - get
      - update
  - apiGroups:
      - ""
    resources:
      - configmaps
    verbs:
      - create
  - apiGroups:
      - ""
    resources:
      - endpoints
    verbs:
      - get
      - create
      - update
---
apiVersion: rbac.authorization.k8s.io/v1
kind: RoleBinding
metadata:
  name: {{ $serviceAccountName }}
  namespace: {{ $envAll.Release.Namespace }}
roleRef:
  apiGroup: rbac.authorization.k8s.io
  kind: Role
  name: {{ $serviceAccountName }}
subjects:
  - kind: ServiceAccount
    name: {{ $serviceAccountName }}
    namespace: {{ $envAll.Release.Namespace }}
---
---
apiVersion: apps/v1
kind: Deployment
metadata:
  name: maas-ingress
  labels:
{{ $labels | indent 4 }}
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
spec:
  replicas: {{ .Values.pod.replicas.ingress }}
  selector:
    matchLabels:
{{ $labels | indent 6 }}
  template:
    metadata:
      labels:
{{ $labels | indent 8 }}
      annotations:
{{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" | indent 8 }}
        configmap-bin-hash: {{ tuple "configmap-bin.yaml" . | include "helm-toolkit.utils.hash" }}
        configmap-etc-hash: {{ tuple "configmap-etc.yaml" . | include "helm-toolkit.utils.hash" }}
{{ dict "envAll" $envAll "podName" "maas-ingress" "containerNames" (list "init" "maas-ingress-vip-init" "maas-ingress-vip" "maas-ingress") | include "helm-toolkit.snippets.kubernetes_mandatory_access_control_annotation" | indent 8 }}
    spec:
{{ dict "envAll" $envAll "application" "ingress" | include "helm-toolkit.snippets.kubernetes_pod_security_context" | indent 6 }}
      serviceAccountName: {{ $serviceAccountName }}
      affinity:
{{- tuple $envAll "maas" "ingress" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
      nodeSelector:
        {{ .Values.labels.ingress.node_selector_key }}: {{ .Values.labels.rack.node_selector_value }}
      hostNetwork: true
      dnsPolicy: ClusterFirstWithHostNet
      initContainers:
{{ tuple $envAll "maas_ingress" $mounts_maas_ingress_init | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
        - name: maas-ingress-vip-init
          image: {{ .Values.images.tags.ingress_vip }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.maas_ingress_vip | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "ingress" "container" "maas_ingress_vip_init" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/maas-vip-configure.sh
            - start
          env:
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.network.maas_ingress | indent 12 }}
          volumeMounts:
            - mountPath: /tmp/maas-vip-configure.sh
              name: maas-bin
              subPath: maas-vip-configure
              readOnly: true
            - mountPath: /mnt/host-rootfs
              mountPropagation: HostToContainer
              name: host-rootfs
              readOnly: true
      containers:
        - name: maas-ingress-vip
          image: {{ .Values.images.tags.ingress_vip }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.maas_ingress_vip | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "ingress" "container" "maas_ingress_vip" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /bin/init
          env:
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.network.maas_ingress | indent 12 }}
          volumeMounts:
            - mountPath: /tmp/maas-vip-configure.sh
              name: maas-bin
              subPath: maas-vip-configure
              readOnly: true
            - mountPath: /etc/inittab
              name: maas-etc
              subPath: sleep-inittab
              readOnly: true
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/maas-vip-configure.sh
                  - stop
        - name: maas-ingress
          image: {{ .Values.images.tags.ingress }}
          imagePullPolicy: {{ .Values.images.pull_policy }}
{{ tuple $envAll $envAll.Values.pod.resources.maas_ingress | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
{{ dict "envAll" $envAll "application" "ingress" "container" "maas_ingress" | include "helm-toolkit.snippets.kubernetes_container_security_context" | indent 10 }}
          command:
            - /tmp/maas-ingress.sh
            - start
          env:
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: RELEASE_NAME
              value: {{ .Release.Name | quote }}
            - name: HTTP_PORT
              value: {{ tuple "maas_ingress" "podport" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: HTTPS_PORT
              value: {{ tuple "maas_ingress" "podport" "https" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: HEALTHZ_PORT
              value: {{ tuple "maas_ingress" "podport" "healthz" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: STATUS_PORT
              value: {{ tuple "maas_ingress" "podport" "status" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: STREAM_PORT
              value: {{ tuple "maas_ingress" "podport" "stream" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: PROFILER_PORT
              value: {{ tuple "maas_ingress" "podport" "profiler" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: ERROR_PAGE_SERVICE
              value: {{ tuple "maas_ingress" "error_pages" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" | quote }}
            - name: DEFAULT_ERROR_PORT
              value: {{ tuple "maas_ingress" "default" "ingress_default_server" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}

          volumeMounts:
            - mountPath: /tmp/maas-ingress.sh
              name: maas-bin
              subPath: maas-ingress
              readOnly: true
{{ if $mounts_maas_ingress.volumeMounts }}{{ toYaml $mounts_maas_ingress.volumeMounts | indent 12 }}{{ end }}
      volumes:
        - name: maas-bin
          configMap:
            name: maas-bin
            defaultMode: 0555
        - name: maas-etc
          configMap:
            name: maas-etc
            defaultMode: 0444
        - name: host-rootfs
          hostPath:
            path: /
{{ if $mounts_maas_ingress.volumes }}{{ toYaml $mounts_maas_ingress.volumes | indent 8 }}{{ end }}
{{- end }}