feat(deploy): add helm charts for the fluxer services (#3082)

2026-10-17 13:05:32 +09:00 · 2026-10-01 04:11:30 +02:00
1 parent cfed6cc4e0
commit 7c9564bcad
@@ -0,0 +1,6 @@
+apiVersion: v2
+name: fluxer-gateway
+description: A Helm chart for the Fluxer realtime gateway.
+type: application
+version: 0.1.0
+appVersion: "v1"
@@ -0,0 +1,280 @@
+{{- define "gateway.selectorLabels" -}}
+app.kubernetes.io/name: {{ .name }}
+app.kubernetes.io/instance: {{ .root.Release.Name }}
+{{- end }}
+
+{{- define "gateway.labels" -}}
+{{ include "gateway.selectorLabels" . }}
+{{- with .component }}
+app.kubernetes.io/component: {{ . }}
+{{- end }}
+app.kubernetes.io/part-of: fluxer
+app.kubernetes.io/managed-by: {{ .root.Release.Service }}
+helm.sh/chart: {{ printf "%s-%s" .root.Chart.Name .root.Chart.Version | replace "+" "_" }}
+{{- end }}
+
+{{- define "gateway.headlessName" -}}
+{{ printf "%s-headless" .Release.Name }}
+{{- end }}
+
+{{- define "gateway.pick" -}}
+{{- $v := get .root.Values .key }}
+{{- if hasKey .w .key }}
+{{- $v = get .w .key }}
+{{- end }}
+{{- with $v }}
+{{- toYaml . }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.string" -}}
+{{- if and (kindIs "float64" .) (eq . (float64 (int64 .))) }}
+{{- int64 . | toString }}
+{{- else }}
+{{- toString . }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.envList" -}}
+{{- $env := deepCopy (.root.Values.env | default dict) }}
+{{- range $k, $v := .w.env | default dict }}
+{{- if kindIs "invalid" $v }}
+{{- $_ := unset $env $k }}
+{{- else }}
+{{- $_ := set $env $k $v }}
+{{- end }}
+{{- end }}
+{{- range $k, $v := $env }}
+{{- if not (kindIs "invalid" $v) }}
+- name: {{ $k }}
+  value: {{ include "gateway.string" $v | quote }}
+{{- end }}
+{{- end }}
+{{- with concat (.root.Values.extraEnv | default list) (.w.extraEnv | default list) }}
+{{ toYaml . }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.envFrom" -}}
+{{- with concat (.root.Values.envFrom | default list) (.w.envFrom | default list) }}
+{{- toYaml . }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.podAnnotations" -}}
+{{- with merge (deepCopy (.w.podAnnotations | default dict)) (deepCopy (.root.Values.podAnnotations | default dict)) }}
+{{- toYaml . }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.probes" -}}
+{{- $global := .root.Values.probes | default dict }}
+{{- $own := .w.probes | default dict }}
+{{- range $probe := list "startup" "liveness" "readiness" }}
+{{- $p := get $global $probe }}
+{{- if hasKey $own $probe }}
+{{- $p = get $own $probe }}
+{{- end }}
+{{- with $p }}
+{{ $probe }}Probe:
+  {{- toYaml . | nindent 2 }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.topologySpreadConstraints" -}}
+{{- $out := list }}
+{{- range include "gateway.pick" (dict "root" .root "w" .w "key" "topologySpreadConstraints") | fromYamlArray }}
+{{- $c := deepCopy . }}
+{{- if not (hasKey $c "labelSelector") }}
+{{- $_ := set $c "labelSelector" (dict "matchLabels" (include "gateway.selectorLabels" $ | fromYaml)) }}
+{{- end }}
+{{- $out = append $out $c }}
+{{- end }}
+{{- with $out }}
+{{- toYaml . }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.image" -}}
+{{- $img := .w.image | default dict }}
+{{- $v := .root.Values.image }}
+{{- $repo := $img.repository | default (printf "%s/%s" $v.registry ($img.name | default "fluxer-gateway")) }}
+{{- $ref := printf "%s:%s" $repo ($img.tag | default $v.tag) }}
+{{- with $img.digest }}
+{{- $ref = printf "%s@%s" $ref . }}
+{{- end }}
+{{- $ref | quote }}
+{{- end }}
+
+{{- define "gateway.replicas" -}}
+{{- if kindIs "invalid" .w.replicas }}1{{ else }}{{ .w.replicas }}{{ end }}
+{{- end }}
+
+{{- define "gateway.env" -}}
+{{- $root := .root }}
+{{- $w := .w -}}
+{{- with $w.role }}
+- name: FLUXER_GATEWAY_ROLE
+  value: {{ . | quote }}
+{{- end }}
+{{- if not (kindIs "invalid" $w.buildVersion) }}
+- name: BUILD_VERSION
+  value: {{ include "gateway.string" $w.buildVersion | quote }}
+{{- end }}
+- name: POD_IP
+  valueFrom:
+    fieldRef:
+      apiVersion: v1
+      fieldPath: status.podIP
+- name: FLUXER_ERLANG_NODE_NAME
+  value: fluxer_gateway@$(POD_IP)
+- name: FLUXER_ERLANG_DIST_PORT
+  value: "8081"
+- name: FLUXER_GATEWAY_CLUSTER_ENABLED
+  value: "true"
+- name: FLUXER_GATEWAY_CLUSTER_DISCOVERY_DNS_NAME
+  value: {{ printf "%s.%s.svc.%s" (include "gateway.headlessName" $root) $root.Release.Namespace $root.Values.clusterDomain | quote }}
+- name: FLUXER_GATEWAY_CLUSTER_DISCOVERY_NODE_BASENAME
+  value: fluxer_gateway
+{{- include "gateway.envList" . }}
+{{- end }}
+
+{{- define "gateway.pod" -}}
+{{- $root := .root }}
+{{- $w := .w -}}
+metadata:
+  labels:
+    {{- include "gateway.labels" . | nindent 4 }}
+  {{- with include "gateway.podAnnotations" . }}
+  annotations:
+    {{- . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- with include "gateway.pick" (dict "root" $root "w" $w "key" "affinity") }}
+  affinity:
+    {{- . | nindent 4 }}
+  {{- end }}
+  {{- with include "gateway.pick" (dict "root" $root "w" $w "key" "imagePullSecrets") }}
+  imagePullSecrets:
+    {{- . | nindent 4 }}
+  {{- end }}
+  {{- with include "gateway.pick" (dict "root" $root "w" $w "key" "nodeSelector") }}
+  nodeSelector:
+    {{- . | nindent 4 }}
+  {{- end }}
+  {{- with include "gateway.pick" (dict "root" $root "w" $w "key" "tolerations") }}
+  tolerations:
+    {{- . | nindent 4 }}
+  {{- end }}
+  {{- with include "gateway.topologySpreadConstraints" . }}
+  topologySpreadConstraints:
+    {{- . | nindent 4 }}
+  {{- end }}
+  {{- with include "gateway.pick" (dict "root" $root "w" $w "key" "podSecurityContext") }}
+  securityContext:
+    {{- . | nindent 4 }}
+  {{- end }}
+  {{- if not (kindIs "invalid" $w.terminationGracePeriodSeconds) }}
+  terminationGracePeriodSeconds: {{ $w.terminationGracePeriodSeconds }}
+  {{- end }}
+  containers:
+  - name: gateway
+    image: {{ include "gateway.image" . }}
+    imagePullPolicy: {{ ($w.image | default dict).pullPolicy | default $root.Values.image.pullPolicy }}
+    env:
+      {{- include "gateway.env" . | trim | nindent 6 }}
+    {{- with include "gateway.envFrom" . }}
+    envFrom:
+      {{- . | nindent 6 }}
+    {{- end }}
+    {{- with $w.lifecycle }}
+    lifecycle:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+    ports:
+    - name: http
+      containerPort: 8080
+      protocol: TCP
+    - name: epmd
+      containerPort: 4369
+      protocol: TCP
+    - name: erl-dist
+      containerPort: 8081
+      protocol: TCP
+    {{- with include "gateway.probes" . | trim }}
+    {{- . | nindent 4 }}
+    {{- end }}
+    {{- with $w.resources }}
+    resources:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+    {{- with include "gateway.pick" (dict "root" $root "w" $w "key" "securityContext") }}
+    securityContext:
+      {{- . | nindent 6 }}
+    {{- end }}
+    {{- with $w.extraVolumeMounts }}
+    volumeMounts:
+      {{- toYaml . | nindent 6 }}
+    {{- end }}
+  {{- with $w.extraVolumes }}
+  volumes:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}
+
+{{- define "gateway.pdb" -}}
+{{- with .w.pdb }}
+---
+apiVersion: policy/v1
+kind: PodDisruptionBudget
+metadata:
+  name: {{ $.name }}-pdb
+  namespace: {{ $.root.Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" $ | nindent 4 }}
+spec:
+  {{- if not (kindIs "invalid" .minAvailable) }}
+  minAvailable: {{ .minAvailable }}
+  {{- end }}
+  {{- if not (kindIs "invalid" .maxUnavailable) }}
+  maxUnavailable: {{ .maxUnavailable }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "gateway.selectorLabels" $ | nindent 6 }}
+{{- end }}
+{{- end }}
+
+{{- define "gateway.hpa" -}}
+{{- with .w.hpa }}
+---
+apiVersion: autoscaling/v2
+kind: HorizontalPodAutoscaler
+metadata:
+  name: {{ $.name }}
+  namespace: {{ $.root.Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" $ | nindent 4 }}
+spec:
+  scaleTargetRef:
+    apiVersion: apps/v1
+    kind: Deployment
+    name: {{ $.name }}
+  minReplicas: {{ required (printf "%s.hpa.minReplicas is required" $.name) .minReplicas }}
+  maxReplicas: {{ required (printf "%s.hpa.maxReplicas is required" $.name) .maxReplicas }}
+  {{- if not (kindIs "invalid" .targetCPUUtilizationPercentage) }}
+  metrics:
+  - type: Resource
+    resource:
+      name: cpu
+      target:
+        type: Utilization
+        averageUtilization: {{ .targetCPUUtilizationPercentage }}
+  {{- end }}
+  {{- with .behavior }}
+  behavior:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+{{- end }}
+{{- end }}
@@ -0,0 +1,48 @@
+{{- range $name, $w := .Values.deployments }}
+{{- if not (kindIs "invalid" $w) }}
+{{- $ctx := dict "root" $ "name" $name "component" $w.role "w" $w }}
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ $name }}
+  namespace: {{ $.Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" $ctx | nindent 4 }}
+spec:
+  {{- if not $w.hpa }}
+  replicas: {{ include "gateway.replicas" $ctx }}
+  {{- end }}
+  {{- if not (kindIs "invalid" $w.minReadySeconds) }}
+  minReadySeconds: {{ $w.minReadySeconds }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "gateway.selectorLabels" $ctx | nindent 6 }}
+  {{- with include "gateway.pick" (dict "root" $ "w" $w "key" "strategy") }}
+  strategy:
+    {{- . | nindent 4 }}
+  {{- end }}
+  template:
+    {{- include "gateway.pod" $ctx | nindent 4 }}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ $name }}
+  namespace: {{ $.Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" $ctx | nindent 4 }}
+spec:
+  type: ClusterIP
+  ports:
+  - name: http
+    port: 8080
+    protocol: TCP
+    targetPort: http
+  selector:
+    {{- include "gateway.selectorLabels" $ctx | nindent 4 }}
+{{- include "gateway.hpa" $ctx }}
+{{- include "gateway.pdb" $ctx }}
+{{- end }}
+{{- end }}
@@ -0,0 +1,26 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "gateway.headlessName" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" (dict "root" . "name" "gateway" "component" "discovery") | nindent 4 }}
+spec:
+  type: ClusterIP
+  clusterIP: None
+  ports:
+  - name: http
+    port: 8080
+    protocol: TCP
+    targetPort: http
+  - name: epmd
+    port: 4369
+    protocol: TCP
+    targetPort: epmd
+  - name: erl-dist
+    port: 8081
+    protocol: TCP
+    targetPort: erl-dist
+  selector:
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/part-of: fluxer
@@ -0,0 +1,53 @@
+{{- $np := .Values.networkPolicy | default dict }}
+{{- if $np.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: gateway
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" (dict "root" . "name" "gateway") | nindent 4 }}
+spec:
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/instance: {{ .Release.Name }}
+      app.kubernetes.io/part-of: fluxer
+  policyTypes:
+  - Ingress
+  - Egress
+  egress:
+  - {}
+  ingress:
+  {{- with $np.ingressNamespace }}
+  - from:
+    - namespaceSelector:
+        matchLabels:
+          kubernetes.io/metadata.name: {{ . }}
+    ports:
+    - port: 8080
+      protocol: TCP
+  {{- end }}
+  {{- with $np.clients }}
+  - from:
+    {{- range . }}
+    - podSelector:
+        matchLabels:
+          {{- toYaml . | nindent 10 }}
+    {{- end }}
+    ports:
+    - port: 8080
+      protocol: TCP
+  {{- end }}
+  - from:
+    - podSelector:
+        matchLabels:
+          app.kubernetes.io/instance: {{ .Release.Name }}
+          app.kubernetes.io/part-of: fluxer
+    ports:
+    - port: 8080
+      protocol: TCP
+    - port: 4369
+      protocol: TCP
+    - port: 8081
+      protocol: TCP
+{{- end }}
@@ -0,0 +1,29 @@
+{{- range $name, $w := .Values.statefulsets }}
+{{- if not (kindIs "invalid" $w) }}
+{{- $ctx := dict "root" $ "name" $name "component" $w.role "w" $w }}
+---
+apiVersion: apps/v1
+kind: StatefulSet
+metadata:
+  name: {{ $name }}
+  namespace: {{ $.Release.Namespace }}
+  labels:
+    {{- include "gateway.labels" $ctx | nindent 4 }}
+spec:
+  replicas: {{ include "gateway.replicas" $ctx }}
+  {{- if not (kindIs "invalid" $w.minReadySeconds) }}
+  minReadySeconds: {{ $w.minReadySeconds }}
+  {{- end }}
+  serviceName: {{ include "gateway.headlessName" $ }}
+  selector:
+    matchLabels:
+      {{- include "gateway.selectorLabels" $ctx | nindent 6 }}
+  {{- with include "gateway.pick" (dict "root" $ "w" $w "key" "updateStrategy") }}
+  updateStrategy:
+    {{- . | nindent 4 }}
+  {{- end }}
+  template:
+    {{- include "gateway.pod" $ctx | nindent 4 }}
+{{- include "gateway.pdb" $ctx }}
+{{- end }}
+{{- end }}
@@ -0,0 +1,86 @@
+image:
+  registry: ghcr.io/fluxerapp
+  tag: v1
+  pullPolicy: IfNotPresent
+
+imagePullSecrets: []
+
+clusterDomain: cluster.local
+
+env:
+  FLUXER_ENV: production
+  FLUXER_GATEWAY_PORT: "8080"
+  FLUXER_GATEWAY_MEDIA_PROXY_ENDPOINT: https://media.example.com
+  FLUXER_INTERNAL_API_ENDPOINT: http://api:8080
+
+extraEnv: []
+
+envFrom:
+- secretRef:
+    name: fluxer-env
+
+podAnnotations: {}
+
+podSecurityContext:
+  runAsNonRoot: true
+  seccompProfile:
+    type: RuntimeDefault
+
+securityContext:
+  allowPrivilegeEscalation: false
+
+probes:
+  startup:
+    httpGet:
+      path: /_health
+      port: http
+    failureThreshold: 30
+  liveness:
+    httpGet:
+      path: /_health
+      port: http
+  readiness:
+    exec:
+      command:
+      - curl
+      - -fsS
+      - -o
+      - /dev/null
+      - --max-time
+      - "2"
+      - http://127.0.0.1:8080/_health/ready
+    timeoutSeconds: 3
+
+strategy: {}
+updateStrategy: {}
+
+topologySpreadConstraints: []
+nodeSelector: {}
+tolerations: []
+affinity: {}
+
+networkPolicy:
+  enabled: false
+  ingressNamespace: ingress-nginx
+  clients:
+  - app.kubernetes.io/part-of: fluxer
+
+deployments:
+  gateway:
+    role: all
+    replicas: 1
+    lifecycle:
+      preStop:
+        exec:
+          command:
+          - /bin/sh
+          - -c
+          - curl -fsS -o /dev/null --max-time 2 http://127.0.0.1:8080/_health/drain; sleep 5
+    resources:
+      requests:
+        cpu: 100m
+        memory: 384Mi
+      limits:
+        memory: 1Gi
+
+statefulsets: {}