---
# Calibre System - Calibre + Calibre-web sharing the same library
# Namespace
apiVersion: v1
kind: Namespace
metadata:
  name: calibre-system
---
# Calibre Deployment (main desktop app with web GUI)
apiVersion: apps/v1
kind: Deployment
metadata:
  name: calibre
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app.kubernetes.io/instance: calibre
      app.kubernetes.io/name: calibre
  template:
    metadata:
      labels:
        app.kubernetes.io/instance: calibre
        app.kubernetes.io/name: calibre
      annotations:
        match-regex.version-checker.io/calibre: '^[0-9]{1,2}\.\d+\.\d+$'
    spec:
      containers:
        - name: calibre
          image: linuxserver/calibre:8.16.2
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: "1000"
            - name: PGID
              value: "1000"
            - name: TZ
              value: Europe/Budapest
            # KasmVNC authentication
            - name: CUSTOM_USER
              valueFrom:
                secretKeyRef:
                  name: calibre-auth
                  key: username
            - name: PASSWORD
              valueFrom:
                secretKeyRef:
                  name: calibre-auth
                  key: password
          ports:
            - name: http
              containerPort: 8080
              protocol: TCP
            - name: https
              containerPort: 8181
              protocol: TCP
            - name: webserver
              containerPort: 8081
              protocol: TCP
          resources:
            requests:
              cpu: 100m
              memory: 512Mi
            limits:
              cpu: "2"
              memory: 4Gi
          livenessProbe:
            tcpSocket:
              port: http
            initialDelaySeconds: 120
            periodSeconds: 60
            timeoutSeconds: 10
            failureThreshold: 5
          readinessProbe:
            tcpSocket:
              port: http
            initialDelaySeconds: 60
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          volumeMounts:
            - name: config
              mountPath: /config
            - name: books
              mountPath: /books
      volumes:
        - name: config
          persistentVolumeClaim:
            claimName: calibre-config
        - name: books
          hostPath:
            path: /mnt/4_hdd/data/calibre
            type: DirectoryOrCreate
---
# Calibre-web Deployment
apiVersion: apps/v1
kind: Deployment
metadata:
  name: calibre-web
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre-web
    app.kubernetes.io/version: 0.6.25-ls361
spec:
  replicas: 1
  strategy:
    type: Recreate
  selector:
    matchLabels:
      app.kubernetes.io/instance: calibre
      app.kubernetes.io/name: calibre-web
  template:
    metadata:
      labels:
        app.kubernetes.io/instance: calibre
        app.kubernetes.io/name: calibre-web
      annotations:
        match-regex.version-checker.io/calibre-web: '^[0-2]\.\d+\.\d+$'
    spec:
      containers:
        - name: calibre-web
          image: linuxserver/calibre-web:0.6.25
          imagePullPolicy: IfNotPresent
          env:
            - name: PUID
              value: "1000"
            - name: PGID
              value: "1000"
            - name: TZ
              value: Europe/Budapest
            # Enable calibre ebook-convert for format conversion
            - name: DOCKER_MODS
              value: linuxserver/mods:universal-calibre
          ports:
            - name: http
              containerPort: 8083
              protocol: TCP
          resources:
            requests:
              cpu: 100m
              memory: 256Mi
            limits:
              cpu: "1"
              memory: 1Gi
          livenessProbe:
            httpGet:
              path: /
              port: http
            initialDelaySeconds: 60
            periodSeconds: 30
            timeoutSeconds: 10
            failureThreshold: 5
          readinessProbe:
            httpGet:
              path: /
              port: http
            initialDelaySeconds: 30
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 3
          startupProbe:
            httpGet:
              path: /
              port: http
            periodSeconds: 10
            timeoutSeconds: 5
            failureThreshold: 60
          volumeMounts:
            - name: config
              mountPath: /config
            - name: books
              mountPath: /books
              readOnly: false
      volumes:
        - name: config
          persistentVolumeClaim:
            claimName: calibre-web-config
        - name: books
          hostPath:
            path: /mnt/4_hdd/data/calibre
            type: DirectoryOrCreate
---
# Calibre Service (desktop GUI)
apiVersion: v1
kind: Service
metadata:
  name: calibre
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre
    app.kubernetes.io/version: v8.16.2-ls375
spec:
  type: ClusterIP
  ports:
    - name: http
      port: 8080
      targetPort: http
      protocol: TCP
    - name: https
      port: 8181
      targetPort: https
      protocol: TCP
    - name: webserver
      port: 8081
      targetPort: webserver
      protocol: TCP
  selector:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre
---
# Calibre-web Service
apiVersion: v1
kind: Service
metadata:
  name: calibre-web
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre-web
    app.kubernetes.io/version: 0.6.25-ls361
spec:
  type: ClusterIP
  ports:
    - name: http
      port: 8083
      targetPort: http
      protocol: TCP
  selector:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre-web
---
# Calibre Ingress (desktop GUI - for library management)
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: calibre
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre
  annotations:
    cert-manager.io/cluster-issuer: letsencrypt-prod
    external-dns.alpha.kubernetes.io/hostname: calibre.dooplex.hu,calibre.home
    nginx.ingress.kubernetes.io/proxy-body-size: "0"
    nginx.ingress.kubernetes.io/proxy-read-timeout: "3600"
    nginx.ingress.kubernetes.io/proxy-send-timeout: "3600"
    nginx.ingress.kubernetes.io/ssl-redirect: "true"
    nginx.ingress.kubernetes.io/configuration-snippet: |
      set $geo_allowed 0;
      if ($remote_addr ~ "^192\.168\.") { set $geo_allowed 1; }
      if ($remote_addr ~ "^10\.") { set $geo_allowed 1; }
      if ($geoip2_country_code = "HU") { set $geo_allowed 1; }
      if ($geo_allowed = 0) {
        return 403 "Access restricted to Hungary";
      }
spec:
  ingressClassName: nginx-internal
  tls:
    - hosts:
        - calibre.dooplex.hu
      secretName: calibre-tls
  rules:
    - host: calibre.dooplex.hu
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: calibre
                port:
                  number: 8080
    - host: calibre.home
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: calibre
                port:
                  number: 8080
---
# Calibre-web Ingress (reading interface)
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
  name: calibre-web
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre-web
  annotations:
    cert-manager.io/cluster-issuer: letsencrypt-prod
    external-dns.alpha.kubernetes.io/hostname: books.dooplex.hu,books.home
    nginx.ingress.kubernetes.io/proxy-body-size: "0"
    nginx.ingress.kubernetes.io/proxy-read-timeout: "600"
    nginx.ingress.kubernetes.io/proxy-send-timeout: "600"
    nginx.ingress.kubernetes.io/ssl-redirect: "true"
    nginx.ingress.kubernetes.io/configuration-snippet: |
      set $geo_allowed 0;
      if ($remote_addr ~ "^192\.168\.") { set $geo_allowed 1; }
      if ($remote_addr ~ "^10\.") { set $geo_allowed 1; }
      if ($geoip2_country_code = "HU") { set $geo_allowed 1; }
      if ($geo_allowed = 0) {
        return 403 "Access restricted to Hungary";
      }
spec:
  ingressClassName: nginx-internal
  tls:
    - hosts:
        - books.dooplex.hu
      secretName: calibre-web-tls
  rules:
    - host: books.dooplex.hu
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: calibre-web
                port:
                  number: 8083
    - host: books.home
      http:
        paths:
          - path: /
            pathType: Prefix
            backend:
              service:
                name: calibre-web
                port:
                  number: 8083
---
# Calibre Config PVC
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: calibre-config
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre
    recurring-job-group.longhorn.io/needbackup: enabled
    recurring-job.longhorn.io/source: enabled
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: longhorn
  resources:
    requests:
      storage: 2Gi
---
# Calibre-web Config PVC
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: calibre-web-config
  namespace: calibre-system
  labels:
    app.kubernetes.io/instance: calibre
    app.kubernetes.io/name: calibre-web
    recurring-job-group.longhorn.io/needbackup: enabled
    recurring-job.longhorn.io/source: enabled
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: longhorn
  resources:
    requests:
      storage: 1Gi