# services/hermes/chat-sandbox.yaml
apiVersion: v1
kind: Service
metadata:
  name: hermes-chat-sandbox
  namespace: hermes
  labels:
    app: hermes-chat-sandbox
spec:
  clusterIP: None
  publishNotReadyAddresses: false
  selector:
    app: hermes-chat-sandbox
  ports:
    - name: http
      port: 9080
      targetPort: http
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: hermes-chat-sandbox
  namespace: hermes
  labels:
    app: hermes-chat-sandbox
spec:
  serviceName: hermes-chat-sandbox
  replicas: 4
  podManagementPolicy: Parallel
  persistentVolumeClaimRetentionPolicy:
    whenDeleted: Retain
    whenScaled: Retain
  selector:
    matchLabels:
      app: hermes-chat-sandbox
  template:
    metadata:
      labels:
        app: hermes-chat-sandbox
      annotations:
        ai.bstein.dev/role: isolated-user-computation
        ai.bstein.dev/isolation: one credential-free sandbox per chat tenant
    spec:
      automountServiceAccountToken: false
      enableServiceLinks: false
      securityContext:
        fsGroup: 20000
        fsGroupChangePolicy: OnRootMismatch
        seccompProfile:
          type: RuntimeDefault
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: kubernetes.io/arch
                    operator: In
                    values: [arm64]
                  - key: node-role.kubernetes.io/worker
                    operator: In
                    values: ["true"]
                  - key: kubernetes.io/hostname
                    operator: NotIn
                    values: [titan-05, titan-08, titan-13, titan-14, titan-17, titan-18]
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              preference:
                matchExpressions:
                  - key: hardware
                    operator: In
                    values: [rpi5]
            - weight: 40
              preference:
                matchExpressions:
                  - key: hardware
                    operator: In
                    values: [rpi4]
        podAntiAffinity:
          preferredDuringSchedulingIgnoredDuringExecution:
            - weight: 100
              podAffinityTerm:
                labelSelector:
                  matchLabels:
                    app: hermes-chat-sandbox
                topologyKey: kubernetes.io/hostname
      containers:
        - name: sandbox
          image: registry.bstein.dev/bstein/hermes-chat-sandbox@sha256:17ee62b8e61c08573a3a8cca903b38ec43800cb44ec29340e1bc095176544bca
          imagePullPolicy: IfNotPresent
          ports:
            - {name: http, containerPort: 9080, protocol: TCP}
          volumeMounts:
            - {name: workspace, mountPath: /workspace}
            - {name: tmp, mountPath: /tmp}
          readinessProbe:
            httpGet: {path: /health, port: http}
            initialDelaySeconds: 3
            periodSeconds: 10
            timeoutSeconds: 3
          livenessProbe:
            httpGet: {path: /health, port: http}
            initialDelaySeconds: 10
            periodSeconds: 30
            timeoutSeconds: 3
          securityContext:
            allowPrivilegeEscalation: false
            capabilities:
              drop: [ALL]
            readOnlyRootFilesystem: true
            runAsNonRoot: true
            runAsUser: 20000
            runAsGroup: 20000
            seccompProfile:
              type: RuntimeDefault
          resources:
            requests: {cpu: 50m, memory: 128Mi}
            limits: {cpu: "1", memory: 1Gi}
      volumes:
        - name: tmp
          emptyDir:
            sizeLimit: 256Mi
  volumeClaimTemplates:
    - metadata:
        name: workspace
        labels:
          app: hermes-chat-sandbox
      spec:
        accessModes: [ReadWriteOnce]
        storageClassName: astreae
        resources:
          requests:
            storage: 2Gi