unkin-agent
6018ee8221
The sonarr/radarr/prowlarr deployments gated startup on Postgres with a hand-written psql-in-a-shell loop running the postgres:17-alpine image. Replace it with the purpose-built waitfordb image (v0.1.0), which reads the same PG* env as a libpq fallback and exits 0 once SELECT 1 succeeds. - swap image to docker-internal/waitfordb:v0.1.0 (pinned), drop the sh/psql command (waitfordb is the entrypoint) - keep the existing PGHOST/PGPORT/PGDATABASE/PGUSER/PGPASSWORD env, name, and resources unchanged - add WAITFORDB_TIMEOUT=5m so a stuck DB fails the pod fast, and WAITFORDB_SSLMODE=disable to match the in-cluster Postgres
135 lines
4.2 KiB
YAML
135 lines
4.2 KiB
YAML
---
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: radarr
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namespace: arrstack
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spec:
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# Active-active: the -unkin2 fork keeps all state in the shared Postgres
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# (arrstack-postgres) and coordinates via Postgres advisory locks, so N
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# replicas run concurrently behind the radarr Service. RollingUpdate is safe —
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# no SQLite, no RWO lock.
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replicas: 3
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strategy:
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type: RollingUpdate
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selector:
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matchLabels:
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app: radarr
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template:
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metadata:
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labels:
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app: radarr
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spec:
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securityContext:
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# Fork image has no USER (runs as root by default); pin it to a non-root
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# UID and group-write the shared RWX CephFS /config (MediaCover etc.).
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# OnRootMismatch avoids a recursive chown of the whole media tree.
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runAsUser: 1000
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runAsGroup: 1000
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fsGroup: 1000
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fsGroupChangePolicy: OnRootMismatch
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initContainers:
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# Gate the app on its own Postgres database+role being reachable, instead
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# of relying on ArgoCD sync-waves (which deadlock if apps aren't Healthy).
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# waitfordb reads the PG* env as a libpq fallback, so the password never lands in argv.
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- name: wait-for-db
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image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/waitfordb:v0.1.0
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env:
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- name: WAITFORDB_TIMEOUT
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value: 5m
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- name: WAITFORDB_SSLMODE
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value: disable
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- name: PGHOST
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value: arrstack-postgres-rw.arrstack.svc.cluster.local
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- name: PGPORT
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value: "5432"
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- name: PGDATABASE
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value: radarr-main
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- name: PGUSER
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valueFrom:
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secretKeyRef:
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name: radarr-db
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key: username
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- name: PGPASSWORD
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valueFrom:
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secretKeyRef:
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name: radarr-db
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key: password
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resources:
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requests:
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cpu: 10m
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memory: 32Mi
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limits:
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cpu: 100m
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memory: 64Mi
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containers:
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- name: radarr
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image: artifactapi.k8s.syd1.au.unkin.net/docker-internal/radarr:v6.4.2-unkin2
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imagePullPolicy: IfNotPresent
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command:
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- /app/Radarr
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args:
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- -nobrowser
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- -data=/config
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# Required: bypass the single-instance guard so multiple replicas
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# can share one /config. Cross-replica safety is the Postgres layer,
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# not a local lock file.
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- -nosingleinstancecheck
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ports:
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- name: http
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containerPort: 7878
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protocol: TCP
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envFrom:
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- configMapRef:
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name: radarr-env
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env:
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- name: Radarr__Postgres__User
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valueFrom:
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secretKeyRef:
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name: radarr-db
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key: username
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- name: Radarr__Postgres__Password
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valueFrom:
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secretKeyRef:
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name: radarr-db
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key: password
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- name: Radarr__Auth__ApiKey
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valueFrom:
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secretKeyRef:
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name: radarr-apikey
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key: apitoken
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livenessProbe:
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httpGet:
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path: /radarr/ping
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port: http
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initialDelaySeconds: 30
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periodSeconds: 30
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timeoutSeconds: 5
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failureThreshold: 3
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readinessProbe:
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httpGet:
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path: /radarr/ping
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port: http
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initialDelaySeconds: 10
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 3
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resources:
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requests:
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cpu: 100m
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memory: 256Mi
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limits:
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cpu: "1"
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memory: 1Gi
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volumeMounts:
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- name: config
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mountPath: /config
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- name: media-movies
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mountPath: /media/movies
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volumes:
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- name: config
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emptyDir: {}
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- name: media-movies
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persistentVolumeClaim:
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claimName: media-movies
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