5d963c9354
Independent review t_5975c06a blocked this branch on a P1: a Kanban write that failed while a lease expired left a `lease_failed` row that was invisible to every pass, immortal to garbage collection, and fatal to the coordinator. It poisoned `reconcile()` forever with a conflicting-duplicate primary key, produced a spurious capability `block_task` from `dispatch()`, and -- because startup maintenance ran unguarded before the port bound, against a store on a PVC -- crash-looped the coordinator with no automatic recovery. `lease_failed` is now a retryable state that every maintenance pass drains, and a row only reaches a terminal state on authoritative evidence about its exact Kanban run, so nothing is collected before its outcome is known and nothing is silently dropped. Each row, task, and board is processed in isolation, and a coordinator-side fault is never converted into a Kanban mutation. Startup runs through the same guarded cycle as the steady-state loop. The wire protocol and the durable store are now separate modules, and the maintenance passes moved out of the coordinator, so each file stays under the managed line ceiling with room for the recovery logic. Also closes three consequential handoff risks the same review raised: * mediator-N pinned itself hard to worker-N while sharing a ReadWriteOnce claim, so a drain or preemption that moved only the lower-priority worker deadlocked the ordinal on Multi-Attach until an operator deleted a Pod. The shared workspace is now ReadWriteMany (as the hermes-chat tenant workspaces already are on the same class), colocation is a preference, and the mediator shares the worker's preemption priority, so each Pod reschedules on its own. * the broker permits only branch creation, so a retry that added commits could never submit and the run's work was discarded with the failure. Submission now targets a fresh attempt- or content-scoped ref in the same reviewed namespace -- never an update -- and is idempotent under replay. A refused submission downgrades the result and says why instead of unwinding the run. * the provider CLIs were reinstalled into an emptyDir on every Pod start inside the 10m Flux health window for the whole hermes app. They now install once per pinned version onto a durable volume, re-verified against the real binaries and time-bounded, and the best-effort pool no longer gates the health of the app its dependents wait on. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
477 lines
21 KiB
YAML
477 lines
21 KiB
YAML
# Privileged HMAC and SCM mediation runs outside the model Pods. Each mediator is
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# colocated with exactly one ordinal's RWO workspace but has a distinct network
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# identity, private HMAC derivation, and durable integrity state.
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata: {name: hermes-execution-mediator-state-0, namespace: hermes}
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spec:
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accessModes: [ReadWriteOnce]
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storageClassName: astreae
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resources: {requests: {storage: 1Gi}}
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata: {name: hermes-execution-mediator-state-1, namespace: hermes}
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spec:
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accessModes: [ReadWriteOnce]
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storageClassName: astreae
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resources: {requests: {storage: 1Gi}}
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---
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apiVersion: v1
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kind: PersistentVolumeClaim
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metadata: {name: hermes-execution-mediator-state-2, namespace: hermes}
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spec:
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accessModes: [ReadWriteOnce]
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storageClassName: astreae
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resources: {requests: {storage: 1Gi}}
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---
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apiVersion: v1
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kind: Service
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metadata: {name: hermes-execution-mediator-0, namespace: hermes}
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spec:
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selector: {app: hermes-execution-mediator, pool-ordinal: "0"}
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ports: [{name: mediator, port: 9009, targetPort: mediator}]
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---
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apiVersion: v1
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kind: Service
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metadata: {name: hermes-execution-mediator-1, namespace: hermes}
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spec:
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selector: {app: hermes-execution-mediator, pool-ordinal: "1"}
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ports: [{name: mediator, port: 9009, targetPort: mediator}]
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---
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apiVersion: v1
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kind: Service
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metadata: {name: hermes-execution-mediator-2, namespace: hermes}
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spec:
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selector: {app: hermes-execution-mediator, pool-ordinal: "2"}
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ports: [{name: mediator, port: 9009, targetPort: mediator}]
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: hermes-execution-mediator-0
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namespace: hermes
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labels: {app: hermes-execution-mediator, pool-ordinal: "0"}
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spec:
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replicas: 1
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strategy: {type: Recreate}
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selector:
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matchLabels: {app: hermes-execution-mediator, pool-ordinal: "0"}
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template:
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metadata:
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labels: {app: hermes-execution-mediator, pool-ordinal: "0"}
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annotations:
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ai.bstein.dev/config-rev: execution-pool-v2-mediated
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ai.bstein.dev/security-boundary: model-pod-has-no-hmac-or-scm-network-authority
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vault.hashicorp.com/agent-inject: "true"
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vault.hashicorp.com/role: hermes-execution-worker
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vault.hashicorp.com/agent-inject-containers: stage-mediator-access
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vault.hashicorp.com/agent-service-account-token-volume-name: vault-auth-token
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vault.hashicorp.com/agent-inject-secret-execution-pool-key: kv/data/atlas/hermes/agent-tokens
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vault.hashicorp.com/agent-inject-perms-execution-pool-key: "0600"
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vault.hashicorp.com/agent-inject-template-execution-pool-key: |
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{{- with secret "kv/data/atlas/hermes/agent-tokens" -}}
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{{ printf "hermes-execution-pool-root-v2:%s" .Data.data.agent_api_key | sha256sum }}
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{{- end }}
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vault.hashicorp.com/agent-pre-populate-only: "true"
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vault.hashicorp.com/agent-init-first: "true"
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vault.hashicorp.com/agent-requests-cpu: 2m
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vault.hashicorp.com/agent-requests-mem: 16Mi
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vault.hashicorp.com/agent-limits-cpu: 100m
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vault.hashicorp.com/agent-limits-mem: 128Mi
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spec:
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serviceAccountName: hermes-execution-worker
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automountServiceAccountToken: false
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enableServiceLinks: false
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# Priority parity with the worker: a pressured node evicts the pair
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# symmetrically instead of moving only the lower-priority half, and the
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# pool never preempts anything else in the cluster.
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priorityClassName: scavenger
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securityContext:
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fsGroup: 10000
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fsGroupChangePolicy: OnRootMismatch
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seccompProfile: {type: RuntimeDefault}
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affinity:
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# Colocation with the worker is a throughput preference, not a
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# requirement. The shared workspace claim is ReadWriteMany, so this
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# mediator still schedules and serves when its worker is Pending or
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# placed elsewhere -- which is what makes a drain self-healing.
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- {key: kubernetes.io/arch, operator: In, values: [arm64]}
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- {key: node-role.kubernetes.io/worker, operator: In, values: ["true"]}
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- {key: kubernetes.io/hostname, operator: NotIn, values: [titan-04, titan-13, titan-14, titan-17, titan-18, titan-19, titan-22, titan-24]}
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podAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchLabels:
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statefulset.kubernetes.io/pod-name: hermes-execution-worker-0
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topologyKey: kubernetes.io/hostname
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initContainers:
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- name: stage-mediator-access
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image: registry.bstein.dev/bstein/hermes-agent
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command: [/opt/hermes/.venv/bin/python, /opt/coordinator/stage_runtime_access.py, execution-mediator]
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env:
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- {name: HERMES_WORKER_ORDINAL, value: "0"}
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- {name: HERMES_POOL_ACCESS_ROOT, value: /pool-access}
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securityContext:
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allowPrivilegeEscalation: false
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runAsUser: 0
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runAsGroup: 0
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seccompProfile: {type: RuntimeDefault}
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volumeMounts:
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- {name: pool-access, mountPath: /pool-access}
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- {name: coordinator, mountPath: /opt/coordinator, readOnly: true}
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resources:
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requests: {cpu: 2m, memory: 16Mi}
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limits: {cpu: 100m, memory: 64Mi}
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containers:
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- name: execution-mediator
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image: registry.bstein.dev/bstein/hermes-agent
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command: [/opt/hermes/.venv/bin/python, /opt/coordinator/execution_pool_client.py]
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env:
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- {name: HERMES_WORKER_ORDINAL, value: "0"}
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- {name: HERMES_WORKER_ROOT, value: /workspace}
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- {name: HERMES_SCM_STATE_ROOT, value: /scm-state}
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- {name: HERMES_EXECUTION_POOL_KEY_FILE, value: /pool-access/execution-pool-key}
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- {name: PYTHONPATH, value: /opt/scm:/opt/coordinator:/opt/hermes}
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ports: [{name: mediator, containerPort: 9009, protocol: TCP}]
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startupProbe:
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httpGet: {path: /ready, port: mediator}
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periodSeconds: 5
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failureThreshold: 60
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readinessProbe:
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httpGet: {path: /ready, port: mediator}
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periodSeconds: 10
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securityContext:
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allowPrivilegeEscalation: false
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capabilities: {drop: [ALL]}
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readOnlyRootFilesystem: true
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runAsNonRoot: true
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runAsUser: 10000
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runAsGroup: 10000
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seccompProfile: {type: RuntimeDefault}
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volumeMounts:
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- {name: workspace, mountPath: /workspace}
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- {name: scm-state, mountPath: /scm-state}
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- {name: pool-access, mountPath: /pool-access, readOnly: true}
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- {name: scm-broker-client, mountPath: /opt/scm, readOnly: true}
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- {name: coordinator, mountPath: /opt/coordinator, readOnly: true}
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- {name: tmp, mountPath: /tmp}
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resources:
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requests: {cpu: 2m, memory: 64Mi}
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limits: {cpu: 250m, memory: 256Mi}
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volumes:
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- name: workspace
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persistentVolumeClaim: {claimName: workspace-hermes-execution-worker-0}
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- name: scm-state
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persistentVolumeClaim: {claimName: hermes-execution-mediator-state-0}
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- name: pool-access
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emptyDir: {medium: Memory, sizeLimit: 1Mi}
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- name: scm-broker-client
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configMap: {name: hermes-scm-boundary-v2, defaultMode: 0555}
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- name: coordinator
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configMap: {name: hermes-execution-pool, defaultMode: 0555}
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- name: tmp
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emptyDir: {sizeLimit: 64Mi}
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- name: vault-auth-token
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projected:
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defaultMode: 0600
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sources:
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- serviceAccountToken: {audience: vault, expirationSeconds: 3600, path: token}
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- configMap:
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name: kube-root-ca.crt
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items: [{key: ca.crt, path: ca.crt}]
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- downwardAPI:
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items: [{path: namespace, fieldRef: {fieldPath: metadata.namespace}}]
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---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: hermes-execution-mediator-1
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namespace: hermes
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labels: {app: hermes-execution-mediator, pool-ordinal: "1"}
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spec:
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replicas: 1
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strategy: {type: Recreate}
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selector:
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matchLabels: {app: hermes-execution-mediator, pool-ordinal: "1"}
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template:
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metadata:
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labels: {app: hermes-execution-mediator, pool-ordinal: "1"}
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annotations:
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ai.bstein.dev/config-rev: execution-pool-v2-mediated
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ai.bstein.dev/security-boundary: model-pod-has-no-hmac-or-scm-network-authority
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vault.hashicorp.com/agent-inject: "true"
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vault.hashicorp.com/role: hermes-execution-worker
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vault.hashicorp.com/agent-inject-containers: stage-mediator-access
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vault.hashicorp.com/agent-service-account-token-volume-name: vault-auth-token
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vault.hashicorp.com/agent-inject-secret-execution-pool-key: kv/data/atlas/hermes/agent-tokens
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vault.hashicorp.com/agent-inject-perms-execution-pool-key: "0600"
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vault.hashicorp.com/agent-inject-template-execution-pool-key: |
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{{- with secret "kv/data/atlas/hermes/agent-tokens" -}}
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{{ printf "hermes-execution-pool-root-v2:%s" .Data.data.agent_api_key | sha256sum }}
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{{- end }}
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vault.hashicorp.com/agent-pre-populate-only: "true"
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vault.hashicorp.com/agent-init-first: "true"
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vault.hashicorp.com/agent-requests-cpu: 2m
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vault.hashicorp.com/agent-requests-mem: 16Mi
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vault.hashicorp.com/agent-limits-cpu: 100m
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vault.hashicorp.com/agent-limits-mem: 128Mi
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spec:
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serviceAccountName: hermes-execution-worker
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automountServiceAccountToken: false
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enableServiceLinks: false
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# Priority parity with the worker: a pressured node evicts the pair
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# symmetrically instead of moving only the lower-priority half, and the
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# pool never preempts anything else in the cluster.
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priorityClassName: scavenger
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securityContext:
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fsGroup: 10000
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fsGroupChangePolicy: OnRootMismatch
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seccompProfile: {type: RuntimeDefault}
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|
affinity:
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|
# Colocation with the worker is a throughput preference, not a
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# requirement. The shared workspace claim is ReadWriteMany, so this
|
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# mediator still schedules and serves when its worker is Pending or
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|
# placed elsewhere -- which is what makes a drain self-healing.
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|
nodeAffinity:
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|
requiredDuringSchedulingIgnoredDuringExecution:
|
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nodeSelectorTerms:
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|
- matchExpressions:
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- {key: kubernetes.io/arch, operator: In, values: [arm64]}
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|
- {key: node-role.kubernetes.io/worker, operator: In, values: ["true"]}
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|
- {key: kubernetes.io/hostname, operator: NotIn, values: [titan-04, titan-13, titan-14, titan-17, titan-18, titan-19, titan-22, titan-24]}
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|
podAffinity:
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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podAffinityTerm:
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labelSelector:
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matchLabels:
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statefulset.kubernetes.io/pod-name: hermes-execution-worker-1
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topologyKey: kubernetes.io/hostname
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|
initContainers:
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- name: stage-mediator-access
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image: registry.bstein.dev/bstein/hermes-agent
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|
command: [/opt/hermes/.venv/bin/python, /opt/coordinator/stage_runtime_access.py, execution-mediator]
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|
env:
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|
- {name: HERMES_WORKER_ORDINAL, value: "1"}
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|
- {name: HERMES_POOL_ACCESS_ROOT, value: /pool-access}
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|
securityContext:
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allowPrivilegeEscalation: false
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runAsUser: 0
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runAsGroup: 0
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seccompProfile: {type: RuntimeDefault}
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volumeMounts:
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- {name: pool-access, mountPath: /pool-access}
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- {name: coordinator, mountPath: /opt/coordinator, readOnly: true}
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resources:
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requests: {cpu: 2m, memory: 16Mi}
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limits: {cpu: 100m, memory: 64Mi}
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containers:
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- name: execution-mediator
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image: registry.bstein.dev/bstein/hermes-agent
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command: [/opt/hermes/.venv/bin/python, /opt/coordinator/execution_pool_client.py]
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|
env:
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- {name: HERMES_WORKER_ORDINAL, value: "1"}
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- {name: HERMES_WORKER_ROOT, value: /workspace}
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- {name: HERMES_SCM_STATE_ROOT, value: /scm-state}
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- {name: HERMES_EXECUTION_POOL_KEY_FILE, value: /pool-access/execution-pool-key}
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- {name: PYTHONPATH, value: /opt/scm:/opt/coordinator:/opt/hermes}
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ports: [{name: mediator, containerPort: 9009, protocol: TCP}]
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startupProbe:
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httpGet: {path: /ready, port: mediator}
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periodSeconds: 5
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failureThreshold: 60
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readinessProbe:
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httpGet: {path: /ready, port: mediator}
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periodSeconds: 10
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securityContext:
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allowPrivilegeEscalation: false
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capabilities: {drop: [ALL]}
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readOnlyRootFilesystem: true
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runAsNonRoot: true
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runAsUser: 10000
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runAsGroup: 10000
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seccompProfile: {type: RuntimeDefault}
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volumeMounts:
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- {name: workspace, mountPath: /workspace}
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- {name: scm-state, mountPath: /scm-state}
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- {name: pool-access, mountPath: /pool-access, readOnly: true}
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- {name: scm-broker-client, mountPath: /opt/scm, readOnly: true}
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- {name: coordinator, mountPath: /opt/coordinator, readOnly: true}
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- {name: tmp, mountPath: /tmp}
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resources:
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requests: {cpu: 2m, memory: 64Mi}
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limits: {cpu: 250m, memory: 256Mi}
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volumes:
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- name: workspace
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persistentVolumeClaim: {claimName: workspace-hermes-execution-worker-1}
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- name: scm-state
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persistentVolumeClaim: {claimName: hermes-execution-mediator-state-1}
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- name: pool-access
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emptyDir: {medium: Memory, sizeLimit: 1Mi}
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- name: scm-broker-client
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configMap: {name: hermes-scm-boundary-v2, defaultMode: 0555}
|
|
- name: coordinator
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configMap: {name: hermes-execution-pool, defaultMode: 0555}
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|
- name: tmp
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|
emptyDir: {sizeLimit: 64Mi}
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- name: vault-auth-token
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projected:
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defaultMode: 0600
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|
sources:
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|
- serviceAccountToken: {audience: vault, expirationSeconds: 3600, path: token}
|
|
- configMap:
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|
name: kube-root-ca.crt
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|
items: [{key: ca.crt, path: ca.crt}]
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|
- downwardAPI:
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items: [{path: namespace, fieldRef: {fieldPath: metadata.namespace}}]
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|
---
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apiVersion: apps/v1
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kind: Deployment
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|
metadata:
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name: hermes-execution-mediator-2
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|
namespace: hermes
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|
labels: {app: hermes-execution-mediator, pool-ordinal: "2"}
|
|
spec:
|
|
replicas: 1
|
|
strategy: {type: Recreate}
|
|
selector:
|
|
matchLabels: {app: hermes-execution-mediator, pool-ordinal: "2"}
|
|
template:
|
|
metadata:
|
|
labels: {app: hermes-execution-mediator, pool-ordinal: "2"}
|
|
annotations:
|
|
ai.bstein.dev/config-rev: execution-pool-v2-mediated
|
|
ai.bstein.dev/security-boundary: model-pod-has-no-hmac-or-scm-network-authority
|
|
vault.hashicorp.com/agent-inject: "true"
|
|
vault.hashicorp.com/role: hermes-execution-worker
|
|
vault.hashicorp.com/agent-inject-containers: stage-mediator-access
|
|
vault.hashicorp.com/agent-service-account-token-volume-name: vault-auth-token
|
|
vault.hashicorp.com/agent-inject-secret-execution-pool-key: kv/data/atlas/hermes/agent-tokens
|
|
vault.hashicorp.com/agent-inject-perms-execution-pool-key: "0600"
|
|
vault.hashicorp.com/agent-inject-template-execution-pool-key: |
|
|
{{- with secret "kv/data/atlas/hermes/agent-tokens" -}}
|
|
{{ printf "hermes-execution-pool-root-v2:%s" .Data.data.agent_api_key | sha256sum }}
|
|
{{- end }}
|
|
vault.hashicorp.com/agent-pre-populate-only: "true"
|
|
vault.hashicorp.com/agent-init-first: "true"
|
|
vault.hashicorp.com/agent-requests-cpu: 2m
|
|
vault.hashicorp.com/agent-requests-mem: 16Mi
|
|
vault.hashicorp.com/agent-limits-cpu: 100m
|
|
vault.hashicorp.com/agent-limits-mem: 128Mi
|
|
spec:
|
|
serviceAccountName: hermes-execution-worker
|
|
automountServiceAccountToken: false
|
|
enableServiceLinks: false
|
|
# Priority parity with the worker: a pressured node evicts the pair
|
|
# symmetrically instead of moving only the lower-priority half, and the
|
|
# pool never preempts anything else in the cluster.
|
|
priorityClassName: scavenger
|
|
securityContext:
|
|
fsGroup: 10000
|
|
fsGroupChangePolicy: OnRootMismatch
|
|
seccompProfile: {type: RuntimeDefault}
|
|
affinity:
|
|
# Colocation with the worker is a throughput preference, not a
|
|
# requirement. The shared workspace claim is ReadWriteMany, so this
|
|
# mediator still schedules and serves when its worker is Pending or
|
|
# placed elsewhere -- which is what makes a drain self-healing.
|
|
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-04, titan-13, titan-14, titan-17, titan-18, titan-19, titan-22, titan-24]}
|
|
podAffinity:
|
|
preferredDuringSchedulingIgnoredDuringExecution:
|
|
- weight: 100
|
|
podAffinityTerm:
|
|
labelSelector:
|
|
matchLabels:
|
|
statefulset.kubernetes.io/pod-name: hermes-execution-worker-2
|
|
topologyKey: kubernetes.io/hostname
|
|
initContainers:
|
|
- name: stage-mediator-access
|
|
image: registry.bstein.dev/bstein/hermes-agent
|
|
command: [/opt/hermes/.venv/bin/python, /opt/coordinator/stage_runtime_access.py, execution-mediator]
|
|
env:
|
|
- {name: HERMES_WORKER_ORDINAL, value: "2"}
|
|
- {name: HERMES_POOL_ACCESS_ROOT, value: /pool-access}
|
|
securityContext:
|
|
allowPrivilegeEscalation: false
|
|
runAsUser: 0
|
|
runAsGroup: 0
|
|
seccompProfile: {type: RuntimeDefault}
|
|
volumeMounts:
|
|
- {name: pool-access, mountPath: /pool-access}
|
|
- {name: coordinator, mountPath: /opt/coordinator, readOnly: true}
|
|
resources:
|
|
requests: {cpu: 2m, memory: 16Mi}
|
|
limits: {cpu: 100m, memory: 64Mi}
|
|
containers:
|
|
- name: execution-mediator
|
|
image: registry.bstein.dev/bstein/hermes-agent
|
|
command: [/opt/hermes/.venv/bin/python, /opt/coordinator/execution_pool_client.py]
|
|
env:
|
|
- {name: HERMES_WORKER_ORDINAL, value: "2"}
|
|
- {name: HERMES_WORKER_ROOT, value: /workspace}
|
|
- {name: HERMES_SCM_STATE_ROOT, value: /scm-state}
|
|
- {name: HERMES_EXECUTION_POOL_KEY_FILE, value: /pool-access/execution-pool-key}
|
|
- {name: PYTHONPATH, value: /opt/scm:/opt/coordinator:/opt/hermes}
|
|
ports: [{name: mediator, containerPort: 9009, protocol: TCP}]
|
|
startupProbe:
|
|
httpGet: {path: /ready, port: mediator}
|
|
periodSeconds: 5
|
|
failureThreshold: 60
|
|
readinessProbe:
|
|
httpGet: {path: /ready, port: mediator}
|
|
periodSeconds: 10
|
|
securityContext:
|
|
allowPrivilegeEscalation: false
|
|
capabilities: {drop: [ALL]}
|
|
readOnlyRootFilesystem: true
|
|
runAsNonRoot: true
|
|
runAsUser: 10000
|
|
runAsGroup: 10000
|
|
seccompProfile: {type: RuntimeDefault}
|
|
volumeMounts:
|
|
- {name: workspace, mountPath: /workspace}
|
|
- {name: scm-state, mountPath: /scm-state}
|
|
- {name: pool-access, mountPath: /pool-access, readOnly: true}
|
|
- {name: scm-broker-client, mountPath: /opt/scm, readOnly: true}
|
|
- {name: coordinator, mountPath: /opt/coordinator, readOnly: true}
|
|
- {name: tmp, mountPath: /tmp}
|
|
resources:
|
|
requests: {cpu: 2m, memory: 64Mi}
|
|
limits: {cpu: 250m, memory: 256Mi}
|
|
volumes:
|
|
- name: workspace
|
|
persistentVolumeClaim: {claimName: workspace-hermes-execution-worker-2}
|
|
- name: scm-state
|
|
persistentVolumeClaim: {claimName: hermes-execution-mediator-state-2}
|
|
- name: pool-access
|
|
emptyDir: {medium: Memory, sizeLimit: 1Mi}
|
|
- name: scm-broker-client
|
|
configMap: {name: hermes-scm-boundary-v2, defaultMode: 0555}
|
|
- name: coordinator
|
|
configMap: {name: hermes-execution-pool, defaultMode: 0555}
|
|
- name: tmp
|
|
emptyDir: {sizeLimit: 64Mi}
|
|
- name: vault-auth-token
|
|
projected:
|
|
defaultMode: 0600
|
|
sources:
|
|
- serviceAccountToken: {audience: vault, expirationSeconds: 3600, path: token}
|
|
- configMap:
|
|
name: kube-root-ca.crt
|
|
items: [{key: ca.crt, path: ca.crt}]
|
|
- downwardAPI:
|
|
items: [{path: namespace, fieldRef: {fieldPath: metadata.namespace}}]
|