apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: {{ .Release.Name }}-{{ .Chart.Name }}-sfs
  labels:
    app: {{ .Release.Name }}-{{ .Chart.Name }}-sfs
spec:
  replicas: {{ include "freesailarr.replicas" (dict "scaleDown" .Values.scaleDown "replicas" .Values.replicas) }}
  # Governing service name. Each app has its own service (see
  # freesailarr.service.yaml); nothing consumes the per-pod DNS name a
  # governing service would provide, so the chart deliberately creates no
  # object under this name - the field only has to be set.
  serviceName: {{ .Release.Name }}-{{ .Chart.Name }}-sfs
  selector:
    matchLabels:
      app: {{ .Release.Name }}-{{ .Chart.Name }}-sfs
  template:
    metadata:
      name: {{ .Release.Name }}-{{ .Chart.Name }}-sfs
      labels:
        app: {{ .Release.Name }}-{{ .Chart.Name }}-sfs
    spec:
      automountServiceAccountToken: false
      securityContext:
        {{- toYaml .Values.securityContext.pod | nindent 8 }}
      {{- if and .Values.qbittorrent.enabled .Values.qbittorrent.networkInterface }}
      initContainers:
        # qBittorrent has no environment variable for the session's network
        # interface - it only reads it from the persisted config file, which
        # the app itself creates on first start. Without the binding
        # libtorrent listens and announces on every interface of the shared
        # pod network namespace (eth0/pod IP and loopback included); gluetun's
        # kill switch drops those packets, trackers stay unreachable and
        # torrents stall at 0 bytes. Seeding the two keys before qbittorrent
        # starts closes that leak and makes a fresh install work out of the
        # box. The edit is idempotent and preserves all other settings:
        # existing keys are replaced, missing ones are inserted into the
        # [BitTorrent] section (qBittorrent 5.x reads them there), and a
        # missing file or section is created.
        - name: qbittorrent-config-interface
          image: "{{ .Values.qbittorrent.configInit.image.repository }}:{{ .Values.qbittorrent.configInit.image.tag }}"
          imagePullPolicy: IfNotPresent
          command:
            - sh
            - -c
            - |
              set -eu
              conf=/config/qBittorrent/qBittorrent.conf
              mkdir -p /config/qBittorrent
              [ -f "$conf" ] || printf '[BitTorrent]\n' > "$conf"
              # A file without a trailing newline would glue an appended
              # section header onto the last key.
              if [ -s "$conf" ] && [ -n "$(tail -c 1 "$conf")" ]; then
                printf '\n' >> "$conf"
              fi
              grep -q '^\[BitTorrent\]$' "$conf" || printf '[BitTorrent]\n' >> "$conf"
              # Drop any existing binding keys, then re-insert them directly
              # after the [BitTorrent] header.
              awk -v ifc="$QBT_INTERFACE" '
                /^Session\\Interface=/ { next }
                /^Session\\InterfaceName=/ { next }
                { print }
                /^\[BitTorrent\]$/ {
                  print "Session\\Interface=" ifc
                  print "Session\\InterfaceName=" ifc
                }
              ' "$conf" > "${conf}.tmp"
              mv "${conf}.tmp" "$conf"
              echo "qBittorrent session bound to interface $QBT_INTERFACE"
          env:
            - name: QBT_INTERFACE
              value: {{ .Values.qbittorrent.networkInterface | quote }}
          resources:
            {{- include "freesailarr.resources" .Values.qbittorrent.configInit.resources | nindent 12 }}
          securityContext:
            runAsUser: {{ .Values.puid }}
            runAsGroup: {{ .Values.pgid }}
            {{- toYaml .Values.qbittorrent.configInit.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: qbittorrent-config
      {{- end }}
      containers:
        # gluetun is the VPN gateway: all app containers share the pod's
        # network namespace, talk to each other over localhost and reach the
        # internet only through the Wireguard tunnel (gluetun's firewall acts
        # as kill switch).
        - name: gluetun
          image: "{{ .Values.gluetun.image.repository }}:{{ .Values.gluetun.image.tag }}"
          imagePullPolicy: IfNotPresent
          # An uncleanly exited gluetun (crash, OOM killer, node issue) leaves
          # its ip rule, routing table and tun device behind in the shared pod
          # network namespace, and the restarted container then fails forever
          # ("adding ip rule 101 ... file exists" / silent tunnel breakage)
          # while the kill switch blocks all egress. The upstream-recommended
          # postStart hook is racy (it runs concurrently with the entrypoint
          # and can delete the rule the new instance just created), so the
          # stale state is cleaned synchronously before gluetun starts.
          command:
            - /bin/sh
            - -c
            - 'while ip rule del table 51820 2>/dev/null; do :; done; while ip -6 rule del table 51820 2>/dev/null; do :; done; ip link del tun0 2>/dev/null; exec /gluetun-entrypoint'
          env:
            - name: TZ
              value: {{ .Values.timezone | quote }}
            - name: VPN_SERVICE_PROVIDER
              value: {{ .Values.gluetun.vpn.serviceProvider | quote }}
            - name: VPN_TYPE
              value: {{ .Values.gluetun.vpn.type | quote }}
            - name: WIREGUARD_PRIVATE_KEY
              valueFrom:
                secretKeyRef:
                  name: {{ .Release.Name }}-{{ .Chart.Name }}-gluetun-secret
                  key: wireguard-private-key
            - name: WIREGUARD_ADDRESSES
              valueFrom:
                secretKeyRef:
                  name: {{ .Release.Name }}-{{ .Chart.Name }}-gluetun-secret
                  key: wireguard-addresses
            {{- with .Values.gluetun.vpn.serverCities }}
            - name: SERVER_CITIES
              value: {{ . | quote }}
            {{- end }}
            {{- with .Values.gluetun.vpn.serverCountries }}
            - name: SERVER_COUNTRIES
              value: {{ . | quote }}
            {{- end }}
            {{- with .Values.gluetun.vpn.dnsUpstreamResolvers }}
            - name: DNS_UPSTREAM_RESOLVERS
              value: {{ . | quote }}
            {{- end }}
            {{- with .Values.gluetun.vpn.firewallOutboundSubnets }}
            - name: FIREWALL_OUTBOUND_SUBNETS
              value: {{ . | quote }}
            {{- end }}
            # Declare the UI/probe ports of the enabled apps and the health
            # server as reachable. Note that inside a pod network gluetun's own
            # pod-subnet rule already accepts this traffic and these per-port
            # rules never match (measured - see the helper's comment); they are
            # the explicit statement of intent and the fallback if that subnet
            # detection ever stops covering the pod IP.
            - name: FIREWALL_INPUT_PORTS
              value: {{ include "freesailarr.firewallInputPorts" . | quote }}
            # Bind the health server to all interfaces so the kubelet HTTP
            # probes (which connect to the pod IP, not localhost) reach it.
            - name: HEALTH_SERVER_ADDRESS
              value: ":9999"
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.gluetun.env) | nindent 12 }}
          ports:
            - containerPort: 9999
              protocol: TCP
              name: health
          livenessProbe:
            {{- toYaml .Values.gluetun.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.gluetun.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.gluetun.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.gluetun.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.gluetun.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /gluetun
              name: gluetun-config
            - mountPath: /dev/net/tun
              name: dev-net-tun
            # gluetun creates /tmp/gluetun (its public-IP cache) mode 0644,
            # i.e. without the execute bit it needs to enter its own
            # directory. It runs as root but with all capabilities except
            # NET_ADMIN dropped, so DAC_OVERRIDE no longer papers over that
            # and every write fails with "clearing public IP data: open
            # /tmp/gluetun/ip: permission denied". An emptyDir provides the
            # path with usable permissions.
            # Remaining, cosmetic: gluetun also chowns the file, which needs
            # CAP_CHOWN. With all capabilities but NET_ADMIN dropped that call
            # is denied and logs "clearing public IP data: chown
            # /tmp/gluetun/ip: operation not permitted" on every VPN restart.
            # The file itself is written and the public IP is persisted
            # (verified at runtime), so this is a log line, not a failure -
            # granting CHOWN just to silence it would widen the container's
            # capabilities for nothing.
            - mountPath: /tmp/gluetun
              name: gluetun-tmp
        {{- if .Values.qbittorrent.enabled }}
        - name: qbittorrent
          image: "{{ .Values.qbittorrent.image.repository }}:{{ .Values.qbittorrent.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: {{ .Values.puid | quote }}
            - name: PGID
              value: {{ .Values.pgid | quote }}
            - name: TZ
              value: {{ .Values.timezone | quote }}
            - name: WEBUI_PORT
              value: "8080"
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.qbittorrent.env) | nindent 12 }}
          ports:
            - containerPort: 8080
              protocol: TCP
              name: qbittorrent
          livenessProbe:
            {{- toYaml .Values.qbittorrent.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.qbittorrent.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.qbittorrent.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.qbittorrent.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.qbittorrent.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: qbittorrent-config
            - mountPath: /downloads
              name: media-downloads
              {{- with .Values.media.downloads.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
        {{- end }}
        {{- if .Values.prowlarr.enabled }}
        - name: prowlarr
          image: "{{ .Values.prowlarr.image.repository }}:{{ .Values.prowlarr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: {{ .Values.puid | quote }}
            - name: PGID
              value: {{ .Values.pgid | quote }}
            - name: TZ
              value: {{ .Values.timezone | quote }}
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.prowlarr.env) | nindent 12 }}
          ports:
            - containerPort: 9696
              protocol: TCP
              name: prowlarr
          livenessProbe:
            {{- toYaml .Values.prowlarr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.prowlarr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.prowlarr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.prowlarr.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.prowlarr.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: prowlarr-config
        {{- end }}
        {{- if .Values.flaresolverr.enabled }}
        - name: flaresolverr
          image: "{{ .Values.flaresolverr.image.repository }}:{{ .Values.flaresolverr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: TZ
              value: {{ .Values.timezone | quote }}
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.flaresolverr.env) | nindent 12 }}
          ports:
            - containerPort: 8191
              protocol: TCP
              name: flaresolverr
          livenessProbe:
            {{- toYaml .Values.flaresolverr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.flaresolverr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.flaresolverr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.flaresolverr.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.flaresolverr.securityContext | nindent 12 }}
          volumeMounts:
            # Writable paths for headless chromium so the root filesystem
            # stays read-only; /dev/shm is a memory-backed emptyDir because
            # chromium needs more shared memory than the container default.
            - mountPath: /tmp
              name: flaresolverr-tmp
            - mountPath: /dev/shm
              name: flaresolverr-shm
        {{- end }}
        {{- if .Values.radarr.enabled }}
        - name: radarr
          image: "{{ .Values.radarr.image.repository }}:{{ .Values.radarr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: {{ .Values.puid | quote }}
            - name: PGID
              value: {{ .Values.pgid | quote }}
            - name: TZ
              value: {{ .Values.timezone | quote }}
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.radarr.env) | nindent 12 }}
          ports:
            - containerPort: 7878
              protocol: TCP
              name: radarr
          livenessProbe:
            {{- toYaml .Values.radarr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.radarr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.radarr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.radarr.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.radarr.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: radarr-config
            - mountPath: /movies
              name: media-movies
              {{- with .Values.media.movies.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
            - mountPath: /downloads
              name: media-downloads
              {{- with .Values.media.downloads.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
        {{- end }}
        {{- if .Values.recyclarr.enabled }}
        - name: recyclarr
          image: "{{ .Values.recyclarr.image.repository }}:{{ .Values.recyclarr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: TZ
              value: {{ .Values.timezone | quote }}
            - name: RECYCLARR_CREATE_CONFIG
              value: "true"
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.recyclarr.env) | nindent 12 }}
          livenessProbe:
            {{- toYaml .Values.recyclarr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.recyclarr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.recyclarr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.recyclarr.resources | nindent 12 }}
          securityContext:
            runAsUser: {{ .Values.puid }}
            runAsGroup: {{ .Values.pgid }}
            {{- toYaml .Values.recyclarr.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: recyclarr-config
            # Writable scratch space for the .NET runtime so the root
            # filesystem stays read-only.
            - mountPath: /tmp
              name: recyclarr-tmp
        {{- end }}
        {{- if .Values.sonarr.enabled }}
        - name: sonarr
          image: "{{ .Values.sonarr.image.repository }}:{{ .Values.sonarr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: {{ .Values.puid | quote }}
            - name: PGID
              value: {{ .Values.pgid | quote }}
            - name: TZ
              value: {{ .Values.timezone | quote }}
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.sonarr.env) | nindent 12 }}
          ports:
            - containerPort: 8989
              protocol: TCP
              name: sonarr
          livenessProbe:
            {{- toYaml .Values.sonarr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.sonarr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.sonarr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.sonarr.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.sonarr.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: sonarr-config
            - mountPath: /tv
              name: media-tv
              {{- with .Values.media.tv.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
            - mountPath: /downloads
              name: media-downloads
              {{- with .Values.media.downloads.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
        {{- end }}
        {{- if .Values.seerr.enabled }}
        - name: seerr
          image: "{{ .Values.seerr.image.repository }}:{{ .Values.seerr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: TZ
              value: {{ .Values.timezone | quote }}
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.seerr.env) | nindent 12 }}
          ports:
            - containerPort: 5055
              protocol: TCP
              name: seerr
          livenessProbe:
            {{- toYaml .Values.seerr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.seerr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.seerr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.seerr.resources | nindent 12 }}
          securityContext:
            runAsUser: {{ .Values.puid }}
            runAsGroup: {{ .Values.pgid }}
            {{- toYaml .Values.seerr.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /app/config
              name: seerr-config
            - mountPath: /tmp
              name: seerr-tmp
        {{- end }}
        {{- if .Values.bazarr.enabled }}
        - name: bazarr
          image: "{{ .Values.bazarr.image.repository }}:{{ .Values.bazarr.image.tag }}"
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: {{ .Values.puid | quote }}
            - name: PGID
              value: {{ .Values.pgid | quote }}
            - name: TZ
              value: {{ .Values.timezone | quote }}
            {{- include "freesailarr.env" (dict "root" $ "env" .Values.bazarr.env) | nindent 12 }}
          ports:
            - containerPort: 6767
              protocol: TCP
              name: bazarr
          livenessProbe:
            {{- toYaml .Values.bazarr.livenessProbe | nindent 12 }}
          readinessProbe:
            {{- toYaml .Values.bazarr.readinessProbe | nindent 12 }}
          startupProbe:
            {{- toYaml .Values.bazarr.startupProbe | nindent 12 }}
          resources:
            {{- include "freesailarr.resources" .Values.bazarr.resources | nindent 12 }}
          securityContext:
            {{- toYaml .Values.bazarr.securityContext | nindent 12 }}
          volumeMounts:
            - mountPath: /config
              name: bazarr-config
            - mountPath: /movies
              name: media-movies
              {{- with .Values.media.movies.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
            - mountPath: /tv
              name: media-tv
              {{- with .Values.media.tv.subPath }}
              subPath: {{ . | quote }}
              {{- end }}
        {{- end }}
      restartPolicy: Always
      volumes:
        # The tun device gluetun needs to create the Wireguard tunnel.
        - name: dev-net-tun
          hostPath:
            path: /dev/net/tun
            type: CharDevice
        # Writable /tmp/gluetun for gluetun's public-IP cache (see the mount).
        - name: gluetun-tmp
          emptyDir: {}
        {{- if or .Values.qbittorrent.enabled .Values.radarr.enabled .Values.sonarr.enabled }}
        - name: media-downloads
          persistentVolumeClaim:
            claimName: {{ required "media.downloads.existingClaim is required when qbittorrent, radarr or sonarr is enabled" .Values.media.downloads.existingClaim }}
        {{- end }}
        {{- if or .Values.radarr.enabled .Values.bazarr.enabled }}
        - name: media-movies
          persistentVolumeClaim:
            claimName: {{ required "media.movies.existingClaim is required when radarr or bazarr is enabled" .Values.media.movies.existingClaim }}
        {{- end }}
        {{- if or .Values.sonarr.enabled .Values.bazarr.enabled }}
        - name: media-tv
          persistentVolumeClaim:
            claimName: {{ required "media.tv.existingClaim is required when sonarr or bazarr is enabled" .Values.media.tv.existingClaim }}
        {{- end }}
        {{- if .Values.flaresolverr.enabled }}
        - name: flaresolverr-tmp
          emptyDir: {}
        - name: flaresolverr-shm
          emptyDir:
            medium: Memory
            sizeLimit: 512Mi
        {{- end }}
        {{- if .Values.recyclarr.enabled }}
        - name: recyclarr-tmp
          emptyDir: {}
        {{- end }}
        {{- if .Values.seerr.enabled }}
        - name: seerr-tmp
          emptyDir: {}
        {{- end }}
  # Config volumes for gluetun and the enabled apps. NOTE: volumeClaimTemplates
  # are immutable - toggling an app's enabled flag later requires recreating
  # the StatefulSet once (kubectl delete statefulset <name> --cascade=orphan
  # before upgrading; existing PVCs and their data survive).
  volumeClaimTemplates:
    {{- range $app := list "gluetun" "qbittorrent" "prowlarr" "radarr" "recyclarr" "sonarr" "seerr" "bazarr" }}
    {{- $config := index $.Values $app }}
    {{- if or (eq $app "gluetun") $config.enabled }}
    - metadata:
        name: {{ $app }}-config
      spec:
        accessModes:
          - ReadWriteOnce
        resources:
          requests:
            storage: {{ $config.storage.size }}
        {{- with $.Values.storage.storageClass }}
        storageClassName: {{ . }}
        {{- end }}
    {{- end }}
    {{- end }}