adam
4c68bff964
Design artifact (NOT applied). Per-node pod = host-poller + redis + web sharing pod localhost; only host-poller privileged with hostPath /dev+/sys. No SAS poller (no enclosures). MQTT_NODE_ID from spec.nodeName; MQTT creds via VSO VaultStaticSecret reading secret/home_assistant (mqtt_user/pass -> MQTT_USERNAME/ PASSWORD). nodeSelector jbod-monitor=enabled to pin to pascal/currie/fermi.
105 lines
3.6 KiB
YAML
105 lines
3.6 KiB
YAML
# jbod-monitor on RKE2 nodes — per-node self-contained DaemonSet (Model A).
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#
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# Each scheduled node runs one pod = host-poller + redis + web, sharing the
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# pod's localhost (no hostNetwork needed). Only host-poller is privileged and
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# mounts /dev + /sys to read IPMI / SMART / coretemp. web egresses to the MQTT
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# broker and publishes a per-node HA device (MQTT_NODE_ID = spec.nodeName).
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#
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# No SAS poller (these nodes have no SES enclosures). NOTE: without it there is
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# no zfs_map, so host-drive entities won't carry a ZFS pool label.
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#
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# Target nodes are chosen by label — see k8s/README.md (label only
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# pascal/currie/fermi). Apply order: namespace -> VaultStaticSecret -> this.
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---
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apiVersion: v1
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kind: Namespace
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metadata:
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name: jbod-monitor
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---
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apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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name: jbod-monitor
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namespace: jbod-monitor
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labels:
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app: jbod-monitor
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spec:
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selector:
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matchLabels:
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app: jbod-monitor
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template:
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metadata:
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labels:
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app: jbod-monitor
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spec:
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# Only nodes explicitly opted in (see README: kubectl label node ...).
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nodeSelector:
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jbod-monitor: "enabled"
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# If the registry needs auth, sync a regcred and uncomment:
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# imagePullSecrets:
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# - name: regcred
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containers:
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- name: redis
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image: redis:7-alpine
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args: ["redis-server", "--save", "60", "1", "--loglevel", "warning"]
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volumeMounts:
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- name: redis-data
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mountPath: /data
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resources:
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requests: {cpu: 25m, memory: 32Mi}
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limits: {memory: 128Mi}
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- name: host-poller
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image: docker.adamksmith.xyz/jbod-host-poller:514502e
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securityContext:
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privileged: true # raw /dev access for ipmitool + smartctl
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env:
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- {name: TZ, value: "America/Denver"}
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- {name: REDIS_HOST, value: "127.0.0.1"}
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- {name: REDIS_PORT, value: "6379"}
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- {name: HOST_ENV_INTERVAL, value: "60"}
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- {name: HOST_DRIVE_INTERVAL, value: "300"}
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- {name: POLL_CONCURRENCY, value: "1"}
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- {name: POLL_DRIVE_GAP, value: "0.5"}
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- {name: POLL_STARTUP_JITTER, value: "10"}
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- {name: POLL_DATA_TTL, value: "900"}
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volumeMounts:
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- {name: dev, mountPath: /dev}
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- {name: sys, mountPath: /sys, readOnly: true}
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- {name: udev, mountPath: /run/udev, readOnly: true}
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resources:
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requests: {cpu: 25m, memory: 64Mi}
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limits: {memory: 256Mi}
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- name: web
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image: docker.adamksmith.xyz/jbod-web:1839e9d
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env:
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- {name: TZ, value: "America/Denver"}
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- {name: REDIS_HOST, value: "127.0.0.1"}
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- {name: REDIS_PORT, value: "6379"}
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- {name: MQTT_HOST, value: "10.5.30.3"}
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- {name: MQTT_PORT, value: "1883"}
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- {name: MQTT_DISCOVERY_PREFIX, value: "homeassistant"}
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- {name: MQTT_BASE_TOPIC, value: "jbod-monitor"}
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- {name: MQTT_PUBLISH_INTERVAL, value: "60"}
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- name: MQTT_NODE_ID
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valueFrom:
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fieldRef:
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fieldPath: spec.nodeName
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envFrom:
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- secretRef:
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name: jbod-mqtt # MQTT_USERNAME / MQTT_PASSWORD (see VaultStaticSecret)
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resources:
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requests: {cpu: 25m, memory: 64Mi}
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limits: {memory: 256Mi}
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volumes:
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- name: redis-data
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emptyDir: {}
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- name: dev
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hostPath: {path: /dev}
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- name: sys
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hostPath: {path: /sys}
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- name: udev
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hostPath: {path: /run/udev}
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