Phase 1 MVP — echo bot factory

2026-05-09 12:23:59 +02:00
commit ee832de089
28 changed files with 1376 additions and 0 deletions
--- a/chart/Chart.yaml
+++ b/chart/Chart.yaml
@@ -0,0 +1,6 @@
+apiVersion: v2
+name: homelab-gateway
+description: Telegram webhook gateway for the Arcodange home lab
+type: application
+version: 0.1.0
+appVersion: "0.1.0"
--- a/chart/templates/_helpers.tpl
+++ b/chart/templates/_helpers.tpl
@@ -0,0 +1,60 @@
+{{/*
+Expand the name of the chart.
+*/}}
+{{- define "homelab-gateway.name" -}}
+{{- default .Chart.Name .Values.nameOverride | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Create a default fully qualified app name.
+*/}}
+{{- define "homelab-gateway.fullname" -}}
+{{- if .Values.fullnameOverride }}
+{{- .Values.fullnameOverride | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- $name := default .Chart.Name .Values.nameOverride }}
+{{- if contains $name .Release.Name }}
+{{- .Release.Name | trunc 63 | trimSuffix "-" }}
+{{- else }}
+{{- printf "%s-%s" .Release.Name $name | trunc 63 | trimSuffix "-" }}
+{{- end }}
+{{- end }}
+{{- end }}
+
+{{/*
+Chart name + version label value.
+*/}}
+{{- define "homelab-gateway.chart" -}}
+{{- printf "%s-%s" .Chart.Name .Chart.Version | replace "+" "_" | trunc 63 | trimSuffix "-" }}
+{{- end }}
+
+{{/*
+Common labels.
+*/}}
+{{- define "homelab-gateway.labels" -}}
+helm.sh/chart: {{ include "homelab-gateway.chart" . }}
+{{ include "homelab-gateway.selectorLabels" . }}
+{{- if .Chart.AppVersion }}
+app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
+{{- end }}
+app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- end }}
+
+{{/*
+Selector labels.
+*/}}
+{{- define "homelab-gateway.selectorLabels" -}}
+app.kubernetes.io/name: {{ include "homelab-gateway.name" . }}
+app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}
+
+{{/*
+Service account name.
+*/}}
+{{- define "homelab-gateway.serviceAccountName" -}}
+{{- if .Values.serviceAccount.create }}
+{{- default (include "homelab-gateway.fullname" .) .Values.serviceAccount.name }}
+{{- else }}
+{{- default "default" .Values.serviceAccount.name }}
+{{- end }}
+{{- end }}
--- a/chart/templates/configmap.yaml
+++ b/chart/templates/configmap.yaml
@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "homelab-gateway.fullname" . }}-bots
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+data:
+  bots.yaml: |
+    bots:
+{{- range $slug, $cfg := .Values.bots }}
+      {{ $slug }}:
+{{ toYaml $cfg | indent 8 }}
+{{- end }}
--- a/chart/templates/deployment.yaml
+++ b/chart/templates/deployment.yaml
@@ -0,0 +1,84 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ include "homelab-gateway.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+spec:
+  revisionHistoryLimit: 3
+  {{- if not .Values.autoscaling.enabled }}
+  replicas: {{ .Values.replicaCount }}
+  {{- end }}
+  selector:
+    matchLabels:
+      {{- include "homelab-gateway.selectorLabels" . | nindent 6 }}
+  template:
+    metadata:
+      annotations:
+        checksum/bots-config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
+        {{- with .Values.podAnnotations }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+      labels:
+        {{- include "homelab-gateway.labels" . | nindent 8 }}
+        {{- with .Values.podLabels }}
+        {{- toYaml . | nindent 8 }}
+        {{- end }}
+    spec:
+      {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      serviceAccountName: {{ include "homelab-gateway.serviceAccountName" . }}
+      securityContext:
+        {{- toYaml .Values.podSecurityContext | nindent 8 }}
+      containers:
+        - name: {{ .Chart.Name }}
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          args: ["serve", "--config", "/etc/homelab-gateway/bots.yaml", "--addr", ":{{ .Values.service.port }}"]
+          env:
+            - name: LISTEN_ADDR
+              value: ":{{ .Values.service.port }}"
+            - name: CONFIG_PATH
+              value: /etc/homelab-gateway/bots.yaml
+          envFrom:
+            - secretRef:
+                name: {{ .Values.secret.name }}
+          ports:
+            - name: http
+              containerPort: {{ .Values.service.port }}
+              protocol: TCP
+          livenessProbe:
+            {{- toYaml .Values.livenessProbe | nindent 12 }}
+          readinessProbe:
+            {{- toYaml .Values.readinessProbe | nindent 12 }}
+          resources:
+            {{- toYaml .Values.resources | nindent 12 }}
+          volumeMounts:
+            - name: bots-config
+              mountPath: /etc/homelab-gateway
+              readOnly: true
+            - name: tmp
+              mountPath: /tmp
+      volumes:
+        - name: bots-config
+          configMap:
+            name: {{ include "homelab-gateway.fullname" . }}-bots
+        - name: tmp
+          emptyDir: {}
+      {{- with .Values.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.affinity }}
+      affinity:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
+      {{- with .Values.tolerations }}
+      tolerations:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
--- a/chart/templates/ingress.yaml
+++ b/chart/templates/ingress.yaml
@@ -0,0 +1,36 @@
+{{- if .Values.ingress.enabled -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "homelab-gateway.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.className }}
+  ingressClassName: {{ .Values.ingress.className }}
+  {{- end }}
+  {{- with .Values.ingress.tls }}
+  tls:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
+      http:
+        paths:
+          {{- range .paths }}
+          - path: {{ .path }}
+            pathType: {{ .pathType }}
+            backend:
+              service:
+                name: {{ include "homelab-gateway.fullname" $ }}
+                port:
+                  number: {{ $.Values.service.port }}
+          {{- end }}
+    {{- end }}
+{{- end }}
--- a/chart/templates/service.yaml
+++ b/chart/templates/service.yaml
@@ -0,0 +1,16 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ include "homelab-gateway.fullname" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+spec:
+  type: {{ .Values.service.type }}
+  ports:
+    - port: {{ .Values.service.port }}
+      targetPort: http
+      protocol: TCP
+      name: http
+  selector:
+    {{- include "homelab-gateway.selectorLabels" . | nindent 4 }}
--- a/chart/templates/serviceaccount.yaml
+++ b/chart/templates/serviceaccount.yaml
@@ -0,0 +1,14 @@
+{{- if .Values.serviceAccount.create -}}
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: {{ include "homelab-gateway.serviceAccountName" . }}
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+  {{- with .Values.serviceAccount.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+automountServiceAccountToken: {{ .Values.serviceAccount.automount }}
+{{- end }}
--- a/chart/templates/vaultauth.yaml
+++ b/chart/templates/vaultauth.yaml
@@ -0,0 +1,17 @@
+{{- if .Values.vault.enabled -}}
+apiVersion: secrets.hashicorp.com/v1beta1
+kind: VaultAuth
+metadata:
+  name: auth
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+spec:
+  method: kubernetes
+  mount: kubernetes
+  kubernetes:
+    role: {{ .Values.vault.role }}
+    serviceAccount: {{ include "homelab-gateway.serviceAccountName" . }}
+    audiences:
+      - vault
+{{- end }}
--- a/chart/templates/vaultsecret.yaml
+++ b/chart/templates/vaultsecret.yaml
@@ -0,0 +1,18 @@
+{{- if .Values.vault.enabled -}}
+apiVersion: secrets.hashicorp.com/v1beta1
+kind: VaultStaticSecret
+metadata:
+  name: bots-secrets
+  namespace: {{ .Release.Namespace }}
+  labels:
+    {{- include "homelab-gateway.labels" . | nindent 4 }}
+spec:
+  type: kv-v2
+  mount: {{ .Values.vault.mount }}
+  path: {{ .Values.vault.path }}
+  destination:
+    name: {{ .Values.secret.name }}
+    create: true
+  refreshAfter: {{ .Values.vault.refreshAfter }}
+  vaultAuthRef: auth
+{{- end }}
--- a/chart/values.yaml
+++ b/chart/values.yaml
@@ -0,0 +1,106 @@
+replicaCount: 1
+
+image:
+  repository: gitea.arcodange.lab/arcodange/homelab-gateway
+  pullPolicy: Always
+  tag: ""
+
+imagePullSecrets: []
+nameOverride: ""
+fullnameOverride: ""
+
+serviceAccount:
+  create: true
+  automount: true
+  annotations: {}
+  name: ""
+
+podAnnotations: {}
+podLabels: {}
+
+podSecurityContext:
+  runAsNonRoot: true
+  runAsUser: 65532
+  runAsGroup: 65532
+  fsGroup: 65532
+  seccompProfile:
+    type: RuntimeDefault
+
+securityContext:
+  readOnlyRootFilesystem: true
+  allowPrivilegeEscalation: false
+  capabilities:
+    drop:
+      - ALL
+
+service:
+  type: ClusterIP
+  port: 8080
+
+# Public exposure via Traefik. Cloudflare routes *.arcodange.fr to the home lab
+# already, so we just declare the hostname here. CF terminates TLS, Traefik
+# receives plain HTTP on entrypoint `web`.
+ingress:
+  enabled: true
+  className: ""
+  annotations:
+    traefik.ingress.kubernetes.io/router.entrypoints: web
+    traefik.ingress.kubernetes.io/router.middlewares: kube-system-crowdsec@kubernetescrd
+  hosts:
+    - host: tg.arcodange.fr
+      paths:
+        - path: /
+          pathType: Prefix
+  tls: []
+
+resources:
+  limits:
+    cpu: 200m
+    memory: 256Mi
+  requests:
+    cpu: 50m
+    memory: 64Mi
+
+livenessProbe:
+  httpGet:
+    path: /healthz
+    port: http
+readinessProbe:
+  httpGet:
+    path: /readyz
+    port: http
+
+autoscaling:
+  enabled: false
+  minReplicas: 1
+  maxReplicas: 3
+  targetCPUUtilizationPercentage: 80
+
+# Bot routing config — non-secret, becomes the bots.yaml ConfigMap entry.
+# Tokens & secret_token values live in a k8s Secret named `secret.name`.
+# In Phase 1 the Secret is created out-of-band (kubectl create secret); in a
+# later phase Vault will produce it via VSO (toggle `vault.enabled`).
+bots:
+  factory:
+    handler: echo
+
+# k8s Secret consumed by `envFrom`. Phase 1: create it manually with kubectl.
+#   kubectl -n homelab-gateway create secret generic homelab-gateway-bots \
+#     --from-literal=BOT_FACTORY_TOKEN=…   --from-literal=BOT_FACTORY_SECRET=…
+secret:
+  name: homelab-gateway-bots
+
+# Vault Secrets Operator integration (Phase 2+). When enabled, VSO writes the
+# secret named `secret.name` automatically from `kvv2/homelab-gateway/config`.
+vault:
+  enabled: false
+  role: homelab-gateway
+  mount: kvv2
+  path: homelab-gateway/config
+  refreshAfter: 30s
+
+nodeSelector:
+  kubernetes.io/hostname: pi1
+
+tolerations: []
+affinity: {}