{{/*
Copyright 2017 The Openstack-Helm Authors.

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.deployment_ingress }}
{{- $envAll := . }}

{{- if empty .Values.conf.controller.INGRESS_CLASS -}}
{{- if eq .Values.deployment.mode "cluster" }}
{{- $_ := set .Values.conf.controller "INGRESS_CLASS" .Values.deployment.cluster.class -}}
{{- else if eq .Values.deployment.mode "namespace" }}
{{- $_ := set .Values.conf.controller "INGRESS_CLASS" "nginx" -}}
{{- end }}
{{- end -}}

{{- $serviceAccountName := printf "%s-%s" .Release.Name "ingress" }}
{{ tuple $envAll "ingress" $serviceAccountName | include "helm-toolkit.snippets.kubernetes_pod_rbac_serviceaccount" }}
---
apiVersion: rbac.authorization.k8s.io/v1beta1
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:
      - "extensions"
    resources:
      - ingresses
    verbs:
      - get
      - list
      - watch
  - apiGroups:
      - ""
    resources:
        - events
    verbs:
        - create
        - patch
  - apiGroups:
      - "extensions"
    resources:
      - ingresses/status
    verbs:
      - update
---
apiVersion: rbac.authorization.k8s.io/v1beta1
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/v1beta1
kind: Role
metadata:
  name: {{ $serviceAccountName }}
  namespace: {{ $envAll.Release.Namespace }}
rules:
  - apiGroups:
      - ""
    resources:
      - configmaps
      - pods
      - secrets
      - namespaces
    verbs:
      - get
  - apiGroups:
      - ""
    resources:
      - configmaps
    resourceNames:
      - {{ printf "%s-%s" .Release.Name .Values.conf.controller.INGRESS_CLASS | quote }}
    verbs:
      - get
      - update
  - apiGroups:
      - ""
    resources:
      - configmaps
    verbs:
      - create
  - apiGroups:
      - ""
    resources:
      - endpoints
    verbs:
      - get
      - create
      - update
---
apiVersion: rbac.authorization.k8s.io/v1beta1
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 }}
---
{{- if eq .Values.deployment.type "Deployment" }}
apiVersion: apps/v1
kind: Deployment
{{- else if eq .Values.deployment.type "DaemonSet" }}
apiVersion: apps/v1
kind: DaemonSet
{{- end }}
metadata:
  name: ingress
  annotations:
    {{ tuple $envAll | include "helm-toolkit.snippets.release_uuid" }}
  labels:
{{ tuple $envAll "ingress" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 4 }}
    app: ingress-api
spec:
{{- if eq .Values.deployment.type "Deployment" }}
  replicas: {{ .Values.pod.replicas.ingress }}
{{ tuple $envAll | include "helm-toolkit.snippets.kubernetes_upgrades_deployment" | indent 2 }}
{{- end }}
  selector:
    matchLabels:
{{ tuple $envAll "ingress" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 6 }}
      app: ingress-api
  template:
    metadata:
      labels:
{{ tuple $envAll "ingress" "server" | include "helm-toolkit.snippets.kubernetes_metadata_labels" | indent 8 }}
        app: ingress-api
    spec:
      serviceAccountName: {{ $serviceAccountName }}
{{- if eq .Values.deployment.type "Deployment" }}
      affinity:
{{ tuple $envAll "ingress" "server" | include "helm-toolkit.snippets.kubernetes_pod_anti_affinity" | indent 8 }}
{{- end }}
      nodeSelector:
        {{ .Values.labels.server.node_selector_key }}: {{ .Values.labels.server.node_selector_value | quote }}
{{- if .Values.network.host_namespace }}
      hostNetwork: true
{{- end }}
      dnsPolicy: "ClusterFirstWithHostNet"
      terminationGracePeriodSeconds: {{ .Values.pod.lifecycle.termination_grace_period.server.timeout | default "60" }}
      initContainers:
{{ tuple $envAll "ingress" list | include "helm-toolkit.snippets.kubernetes_entrypoint_init_container" | indent 8 }}
{{- if and .Values.network.host_namespace .Values.network.vip.manage }}
        - name: ingress-vip-kernel-modules
{{ tuple $envAll "ingress" | include "helm-toolkit.snippets.image" | indent 10 }}
          securityContext:
            capabilities:
              add:
                - SYS_MODULE
            runAsUser: 0
          command:
            - /tmp/ingress-vip.sh
            - kernel_modules
          volumeMounts:
            - name: ingress-bin
              mountPath: /tmp/ingress-vip.sh
              subPath: ingress-vip.sh
              readOnly: true
            - name: host-rootfs
              mountPath: /mnt/host-rootfs
              readOnly: true
        - name: ingress-vip-init
{{ tuple $envAll "ingress" | include "helm-toolkit.snippets.image" | indent 10 }}
          securityContext:
            capabilities:
              add:
                - NET_ADMIN
            runAsUser: 0
          env:
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.network.vip | indent 12 }}
          command:
            - /tmp/ingress-vip.sh
            - start
          volumeMounts:
            - name: ingress-bin
              mountPath: /tmp/ingress-vip.sh
              subPath: ingress-vip.sh
              readOnly: true
{{- end }}
      containers:
        - name: ingress
{{ tuple $envAll "ingress" | include "helm-toolkit.snippets.image" | indent 10 }}
{{ tuple $envAll $envAll.Values.pod.resources.ingress | include "helm-toolkit.snippets.kubernetes_resources" | indent 10 }}
          readinessProbe:
            httpGet:
              path: /healthz
              port: 10254
              scheme: HTTP
          livenessProbe:
            httpGet:
              path: /healthz
              port: 10254
              scheme: HTTP
            initialDelaySeconds: 10
            timeoutSeconds: 1
          env:
            - name: POD_NAME
              valueFrom:
                fieldRef:
                  fieldPath: metadata.name
            - name: POD_NAMESPACE
              valueFrom:
                fieldRef:
                  fieldPath: metadata.namespace
            - name: PORT_HTTP
              value: {{ tuple "ingress" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: PORT_HTTPS
              value: {{ tuple "ingress" "internal" "https" . | include "helm-toolkit.endpoints.endpoint_port_lookup" | quote }}
            - name: RELEASE_NAME
              value: {{ .Release.Name | quote }}
            - name: ERROR_PAGE_SERVICE
              value: {{ tuple "ingress" "error_pages" . | include "helm-toolkit.endpoints.hostname_short_endpoint_lookup" | quote }}
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.conf.controller | indent 12 }}
          ports:
            - containerPort: {{ tuple "ingress" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
            {{- if .Values.network.host_namespace }}
              hostPort: {{ tuple "ingress" "internal" "http" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
            {{- end }}
            - containerPort: {{ tuple "ingress" "internal" "https" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
            {{- if .Values.network.host_namespace }}
              hostPort: {{ tuple "ingress" "internal" "https" . | include "helm-toolkit.endpoints.endpoint_port_lookup" }}
            {{- end }}
          command:
            - /tmp/ingress-controller.sh
            - start
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/ingress-controller.sh
                  - stop
          volumeMounts:
            - name: ingress-bin
              mountPath: /tmp/ingress-controller.sh
              subPath: ingress-controller.sh
              readOnly: true
{{- if and .Values.network.host_namespace .Values.network.vip.manage }}
        - name: ingress-vip
          securityContext:
            capabilities:
              add:
                - NET_ADMIN
            runAsUser: 0
{{- if eq .Values.network.vip.mode "routed" }}
{{ tuple $envAll "ingress" | include "helm-toolkit.snippets.image" | indent 10 }}
          env:
{{ include "helm-toolkit.utils.to_k8s_env_vars" .Values.network.vip | indent 12 }}
          command:
            - /tmp/ingress-vip.sh
            - sleep
          lifecycle:
            preStop:
              exec:
                command:
                  - /tmp/ingress-vip.sh
                  - stop
          volumeMounts:
            - name: ingress-bin
              mountPath: /tmp/ingress-vip.sh
              subPath: ingress-vip.sh
              readOnly: true
{{- else if eq .Values.network.vip.mode "keepalived" }}
{{ tuple $envAll "keepalived" | include "helm-toolkit.snippets.image" | indent 10 }}
          env:
          - name: KEEPALIVED_INTERFACE
            value: {{ .Values.network.vip.interface | quote }}
          - name: KEEPALIVED_VIRTUAL_IPS
            value: {{ ( .Values.network.vip.addr | split "/" )._0  | quote }}
          - name: KEEPALIVED_UNICAST_PEERS
            value: null
{{- end }}
{{- end }}
      volumes:
        - name: ingress-bin
          configMap:
            name: ingress-bin
            defaultMode: 0555
      {{- if and .Values.network.host_namespace .Values.network.vip.manage }}
        - name: host-rootfs
          hostPath:
            path: /
      {{- end }}
{{- end }}