syncthing(kube): deploy

kubernetes/kustomization.yaml

@@ -35,6 +35,7 @@ resources:
   # Personal (apps storing my own content, grouped by content type)
   - personal/paperless
   - personal/radicale
+  - personal/syncthing
   - personal/media/photoprism
   - personal/notes/notesnook
   - personal/notes/obsidian-livesync

kubernetes/personal/syncthing/kustomization.yaml

@@ -0,0 +1,13 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: syncthing
+resources:
+  - namespace.yaml
+  - repository.yaml
+  - release.yaml
+secretGenerator:
+  - name: syncthing-values
+    files:
+      - values.yaml=values.yaml
+configurations:
+  - kustomizeconfig.yaml

kubernetes/personal/syncthing/kustomizeconfig.yaml

@@ -0,0 +1,6 @@
+nameReference:
+  - kind: Secret
+    version: v1
+    fieldSpecs:
+      - path: spec/valuesFrom/name
+        kind: HelmRelease

kubernetes/personal/syncthing/namespace.yaml

@@ -0,0 +1,7 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: syncthing
+  labels:
+    app.kubernetes.io/name: syncthing
+    app.kubernetes.io/component: file-sync

kubernetes/personal/syncthing/release.yaml

@@ -0,0 +1,19 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: syncthing
+  namespace: syncthing
+spec:
+  interval: 1m
+  chart:
+    spec:
+      sourceRef:
+        kind: HelmRepository
+        name: k8s-home-lab
+        namespace: syncthing
+      chart: syncthing
+      version: "5.2.0"
+      interval: 1m
+  valuesFrom:
+    - kind: Secret
+      name: syncthing-values

kubernetes/personal/syncthing/repository.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: k8s-home-lab
+  namespace: syncthing
+spec:
+  interval: 1h
+  url: https://k8s-home-lab.github.io/helm-charts/

kubernetes/personal/syncthing/values.yaml

@@ -0,0 +1,152 @@
+# Syncthing continuous file synchronization
+#
+# Sync ports (22000 TCP+QUIC, 21027 UDP) are exposed through LoadBalancer
+# services on the dedicated Cilium pool IP 10.2.2.7 (appended to
+# kubernetes/system/cilium/pool.yaml). The GUI goes through Traefik like the
+# other *.lan services.
+controller:
+    replicas: 1
+image:
+    repository: syncthing/syncthing
+    tag: "2.1"
+env:
+    - name: TZ
+      value: Europe/Paris
+    - name: PUID
+      value: "1000"
+    - name: PGID
+      value: "1000"
+podSecurityContext:
+    fsGroup: 1000
+service:
+    main:
+        ports:
+            http:
+                port: 8384
+    # Sync protocol and QUIC share 22000 on the pooled IP; LAN discovery
+    # rides on UDP 21027. externalTrafficPolicy Local preserves client IPs.
+    listen:
+        enabled: true
+        type: LoadBalancer
+        externalTrafficPolicy: Local
+        loadBalancerIP: 10.2.2.7
+        ports:
+            listen:
+                enabled: true
+                port: 22000
+                protocol: TCP
+                targetPort: 22000
+            quic:
+                enabled: true
+                port: 22000
+                protocol: UDP
+                targetPort: 22000
+    discovery:
+        enabled: true
+        type: LoadBalancer
+        externalTrafficPolicy: Local
+        loadBalancerIP: 10.2.2.7
+        ports:
+            discovery:
+                enabled: true
+                port: 21027
+                protocol: UDP
+                targetPort: 21027
+probes:
+    liveness:
+        custom: true
+        spec:
+            httpGet:
+                path: /rest/noauth/health
+                port: http
+    readiness:
+        custom: true
+        spec:
+            httpGet:
+                path: /rest/noauth/health
+                port: http
+ingress:
+    main:
+        enabled: true
+        ingressClassName: traefik
+        annotations:
+            external-dns.alpha.kubernetes.io/enabled: "true"
+        hosts:
+            - host: syncthing.lan
+              paths:
+                - path: /
+                  pathType: Prefix
+persistence:
+    config:
+        enabled: true
+        mountPath: /var/syncthing/config
+        storageClass: longhorn
+        size: 5Gi
+    # Shares are recreated by hand in the GUI after cutover — the instance
+    # boots with a fresh config (see plans/syncthing-docker-to-kube-migration.md):
+    # valentin's folders at /data/valentin/… and sarah's at /data/sarah/…, all
+    # backed by the same TrueNAS exports as the docker stack. Photoprism
+    # already mounts the valentin Photos export concurrently.
+    valentin-documents:
+        enabled: true
+        type: custom
+        mountPath: /data/valentin/Documents
+        volumeSpec:
+            nfs:
+                server: truenas.lan
+                path: /mnt/main_storage/valentin/Documents
+    valentin-photos:
+        enabled: true
+        type: custom
+        mountPath: /data/valentin/Photos
+        volumeSpec:
+            nfs:
+                server: truenas.lan
+                path: /mnt/main_storage/valentin/Photos
+    sarah-documents:
+        enabled: true
+        type: custom
+        mountPath: /data/sarah/Documents
+        volumeSpec:
+            nfs:
+                server: truenas.lan
+                path: /mnt/main_storage/sarah/Documents
+    sarah-photos:
+        enabled: true
+        type: custom
+        mountPath: /data/sarah/Photos
+        volumeSpec:
+            nfs:
+                server: truenas.lan
+                path: /mnt/main_storage/sarah/Photos
+resources:
+    requests:
+        memory: 512Mi
+    limits:
+        memory: 2Gi
+sops:
+    lastmodified: "2026-09-21T22:28:39Z"
+    mac: ENC[AES256_GCM,data:BR4P4s4C9n4bEHryqfHpzzFHxAlKeujFBO2Qhsc4qdkcI5dftJ7jrknWtW0uv1E2Aljp50Mx1Rk4wglaWh3MS/ZnY/1dUxCfKuXOGkv9+mymQxDk6zJLsUNTH7sMr5kzlVWfv3yzXF50HWuiNl71BAv4mtlrtarXS1KVQrCKNaA=,iv:aG9OxDOhwk7xYNbvESNMFnXIjKhbYNO0gvDn1a9QQvc=,tag:QxM3EX8V2KJzosRz5damrw==,type:str]
+    pgp:
+        - created_at: "2026-09-21T22:28:39Z"
+          enc: |-
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+            =47Rw
+            -----END PGP MESSAGE-----
+          fp: DC6910268E657FF70BA7EC289974494E76938DDC
+    encrypted_regex: ^(data|stringData|.*key|.*crt)$
+    version: 3.10.2

kubernetes/system/cilium/pool.yaml

@@ -8,3 +8,4 @@ spec:
   - cidr: "10.2.2.4/32"
   - cidr: "10.2.2.5/32"
   - cidr: "10.2.2.6/32"
+  - cidr: "10.2.2.7/32"