apiVersion: apps/v1
kind: Deployment
metadata:
  name: sgl-router
  namespace: sgl-router-test
spec:
  replicas: 1
  selector:
    matchLabels:
      app: sgl-router
  template:
    metadata:
      labels:
        app: sgl-router
    spec:
      serviceAccountName: sgl-router
      # Must exceed --shutdown-drain-secs plus the time in-flight requests
      # need after the pause, or the pod is SIGKILLed mid-drain and the drain
      # has bought nothing.
      terminationGracePeriodSeconds: 40
      containers:
        - name: router
          image: sgl-router:e2e
          imagePullPolicy: Never
          # Configured entirely via CLI flags. K8s EndpointSlice discovery
          # watches `app=sglang` pods in this namespace. The aggressive
          # circuit breaker (threshold 1, 5s cool-down) lets a terminating
          # pod's connection-refused immediately drop it from the candidate
          # set — the reconciliation tests scale workers rapidly and depend
          # on fast eviction to absorb the churn.
          args:
            - "--host"
            - "0.0.0.0"
            - "--port"
            - "8090"
            - "--model-id"
            - "tiny"
            - "--tokenizer-path"
            - "/etc/tokenizer/tiny.json"
            - "--policy"
            - "round_robin"
            - "--cb-threshold"
            - "1"
            - "--cb-cool-down-secs"
            - "5"
            - "--service-discovery"
            - "--service-discovery-namespace"
            - "sgl-router-test"
            - "--selector"
            - "app=sglang"
            # On SIGTERM, keep serving with /readyz at 503 so the endpoint
            # removal reaches kube-proxy before the listener closes. Sized for
            # the deletionTimestamp path, which does not wait on a probe.
            # Probe-driven deregistration would instead need this above the
            # readinessProbe's failureThreshold * periodSeconds below.
            # test_shutdown_drain.py reads this value; do not restate it there.
            - "--shutdown-drain-secs"
            - "8"
            # Declared so the startup advisory compares the drain against this
            # pod's real grace period instead of assuming the k8s default.
            - "--termination-grace-secs"
            - "40"
          ports:
            - containerPort: 8090
              name: http
          readinessProbe:
            httpGet:
              path: /readyz
              port: 8090
            initialDelaySeconds: 3
            periodSeconds: 3
          livenessProbe:
            httpGet:
              path: /healthz
              port: 8090
            initialDelaySeconds: 5
            periodSeconds: 10
---
apiVersion: v1
kind: Service
metadata:
  name: sgl-router
  namespace: sgl-router-test
spec:
  selector:
    app: sgl-router
  ports:
    - name: http
      port: 8090
      targetPort: 8090