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poimenandrock ddee0f2dc9
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feat(config): add tokenUrl, clientId, clientSecret to auth config (#17)
Closes homelab#12 (P3.7)

## Changes

- `AuthConfig`: added `TokenURL`, `ClientID`, `ClientSecret` fields
- `loader.go`: reads `tokenUrl`/`clientId` from YAML, `ClientSecret` from `AUTH_CLIENT_SECRET` env
- `deployment.yaml`: `AUTH_CLIENT_SECRET` from `api-gw-client-secret` Secret (optional)
- `gateway-config-secret.enc.yaml` + `configmap.yaml`: added `tokenUrl` and `clientId`

## Secret never in YAML

`clientSecret` deliberately omitted from YAML struct. Loaded from env only.

## Tests

3 tests: full config load, env-only secret, backward compat (missing fields = zero).

Co-authored-by: poimen <[email protected]>
2026-09-08 23:43:29 +00:00

133 lines
3.9 KiB
YAML

apiVersion: apps/v1
kind: Deployment
metadata:
name: api-gateway
namespace: api
labels:
app: api-gateway
component: gateway
spec:
replicas: 3
strategy:
type: RollingUpdate
rollingUpdate:
maxSurge: 1
maxUnavailable: 0
selector:
matchLabels:
app: api-gateway
template:
metadata:
labels:
app: api-gateway
component: gateway
# Required by the llm-serving-default-deny NetworkPolicy, which admits
# only pods labelled llm-client=true (from any namespace) on port 8080.
# Without it every upstream dial times out and dispatch returns 502.
llm-client: "true"
annotations:
reloader.stakater.com/auto: "true"
prometheus.io/scrape: "true"
prometheus.io/port: "8080"
prometheus.io/path: "/metrics"
spec:
serviceAccountName: api-gateway
# The registry at forgejo.riotpiao.com requires auth — /v2/ answers 401.
# This Secret must exist in the api namespace before the first rollout.
imagePullSecrets:
- name: forgejo-registry
securityContext:
runAsNonRoot: true
# 65532 is distroless's nonroot user, matching USER in the Dockerfile.
runAsUser: 65532
fsGroup: 65532
containers:
- name: gateway
# Tag is pinned in kustomization.yaml so there is exactly one place to
# bump it. Never :latest — Argo cannot make a deterministic rollout
# decision from a mutable tag, and 6.1 requires SHA tags.
image: forgejo.riotpiao.com/rock/api-gateway:latest
imagePullPolicy: Always
ports:
- name: http
containerPort: 8080
protocol: TCP
env:
- name: LISTEN_ADDR
value: "0.0.0.0:8080"
- name: CONFIG_PATH
value: "/etc/gateway/config.yaml"
- name: AUTH_CLIENT_SECRET
valueFrom:
secretKeyRef:
name: api-gw-client-secret
key: client-secret
optional: true
- name: SHUTDOWN_TIMEOUT
value: "5m"
- name: LOG_LEVEL
value: "info"
# OpenTelemetry tracing configuration
- name: OTEL_EXPORTER_OTLP_ENDPOINT
value: "otel-collector.tracing.svc.cluster.local:4317"
- name: OTEL_SERVICE_NAME
value: "api-gateway"
- name: OTEL_SERVICE_VERSION
value: "1.0.0"
- name: OTEL_ENVIRONMENT
value: "production"
volumeMounts:
- name: config
mountPath: /etc/gateway
readOnly: true
livenessProbe:
httpGet:
path: /healthz
port: http
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 10
timeoutSeconds: 2
failureThreshold: 3
readinessProbe:
httpGet:
path: /readyz
port: http
scheme: HTTP
initialDelaySeconds: 5
periodSeconds: 5
timeoutSeconds: 2
failureThreshold: 2
resources:
requests:
cpu: 100m
memory: 128Mi
limits:
cpu: 500m
memory: 512Mi
securityContext:
allowPrivilegeEscalation: false
readOnlyRootFilesystem: true
runAsNonRoot: true
runAsUser: 65532
capabilities:
drop:
- ALL
volumes:
- name: config
secret:
secretName: api-gateway-config
affinity:
podAntiAffinity:
preferredDuringSchedulingIgnoredDuringExecution:
- weight: 100
podAffinityTerm:
labelSelector:
matchExpressions:
- key: app
operator: In
values:
- api-gateway
topologyKey: kubernetes.io/hostname
terminationGracePeriodSeconds: 300