Start hacking on nextcloud

apps/nextcloud/.helmignore

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+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*.orig
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/

apps/nextcloud/Chart.yaml

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+apiVersion: v2
+name: ungleich-nextcloud
+description: ungleich managed nextcloud
+
+# A chart can be either an 'application' or a 'library' chart.
+#
+# Application charts are a collection of templates that can be packaged into versioned archives
+# to be deployed.
+#
+# Library charts provide useful utilities or functions for the chart developer. They're included as
+# a dependency of application charts to inject those utilities and functions into the rendering
+# pipeline. Library charts do not define any templates and therefore cannot be deployed.
+type: application
+
+# This is the chart version. This version number should be incremented each time you make changes
+# to the chart and its templates, including the app version.
+# Versions are expected to follow Semantic Versioning (https://semver.org/)
+version: 0.1.0
+
+# This is the version number of the application being deployed. This version number should be
+# incremented each time you make changes to the application. Versions are not expected to
+# follow Semantic Versioning. They should reflect the version the application is using.
+# It is recommended to use it with quotes.
+appVersion: "20.0.11"

apps/nextcloud/README.md

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+## Missing
+
+- db secret generation (sops?)
+- SMTP settings / secrets (ungleich mail + sops?)
+- Exposing sizes in value.yaml (db, gitea)
+  - Maybe reducing to 1 PVC?

apps/nextcloud/nginx/default.conf

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+upstream php-handler {
+    server localhost:9000;
+}
+
+# server {
+#     listen 80;
+#     listen [::]:80;
+#     server_name _;
+
+#     return 301 https://$server_name$request_uri;
+# }
+
+server {
+    listen 443      ssl http2;
+    listen [::]:443 ssl http2;
+    server_name {{ tpl .Values.fqdn . }};
+
+    # Use Mozilla's guidelines for SSL/TLS settings
+    # https://mozilla.github.io/server-side-tls/ssl-config-generator/
+    ssl_certificate      /etc/letsencrypt/live/{{ tpl .Values.fqdn . }}/fullchain.pem;
+    ssl_certificate_key  /etc/letsencrypt/live/{{ tpl .Values.fqdn . }}/privkey.pem;
+
+    # HSTS settings
+    # WARNING: Only add the preload option once you read about
+    # the consequences in https://hstspreload.org/. This option
+    # will add the domain to a hardcoded list that is shipped
+    # in all major browsers and getting removed from this list
+    # could take several months.
+    #add_header Strict-Transport-Security "max-age=15768000; includeSubDomains; preload;" always;
+
+    # set max upload size
+    client_max_body_size 512M;
+    fastcgi_buffers 64 4K;
+
+    # Enable gzip but do not remove ETag headers
+    gzip on;
+    gzip_vary on;
+    gzip_comp_level 4;
+    gzip_min_length 256;
+    gzip_proxied expired no-cache no-store private no_last_modified no_etag auth;
+    gzip_types application/atom+xml application/javascript application/json application/ld+json application/manifest+json application/rss+xml application/vnd.geo+json application/vnd.ms-fontobject application/x-font-ttf application/x-web-app-manifest+json application/xhtml+xml application/xml font/opentype image/bmp image/svg+xml image/x-icon text/cache-manifest text/css text/plain text/vcard text/vnd.rim.location.xloc text/vtt text/x-component text/x-cross-domain-policy;
+
+    # Pagespeed is not supported by Nextcloud, so if your server is built
+    # with the `ngx_pagespeed` module, uncomment this line to disable it.
+    #pagespeed off;
+
+    # HTTP response headers borrowed from Nextcloud `.htaccess`
+    add_header Referrer-Policy                      "no-referrer"   always;
+    add_header X-Content-Type-Options               "nosniff"       always;
+    add_header X-Download-Options                   "noopen"        always;
+    add_header X-Frame-Options                      "SAMEORIGIN"    always;
+    add_header X-Permitted-Cross-Domain-Policies    "none"          always;
+    add_header X-Robots-Tag                         "none"          always;
+    add_header X-XSS-Protection                     "1; mode=block" always;
+
+    # Remove X-Powered-By, which is an information leak
+    fastcgi_hide_header X-Powered-By;
+
+    # Path to the root of your installation
+    root /var/www/nextcloud;
+
+    # Specify how to handle directories -- specifying `/index.php$request_uri`
+    # here as the fallback means that Nginx always exhibits the desired behaviour
+    # when a client requests a path that corresponds to a directory that exists
+    # on the server. In particular, if that directory contains an index.php file,
+    # that file is correctly served; if it doesn't, then the request is passed to
+    # the front-end controller. This consistent behaviour means that we don't need
+    # to specify custom rules for certain paths (e.g. images and other assets,
+    # `/updater`, `/ocm-provider`, `/ocs-provider`), and thus
+    # `try_files $uri $uri/ /index.php$request_uri`
+    # always provides the desired behaviour.
+    index index.php index.html /index.php$request_uri;
+
+    # Rule borrowed from `.htaccess` to handle Microsoft DAV clients
+    location = / {
+        if ( $http_user_agent ~ ^DavClnt ) {
+            return 302 /remote.php/webdav/$is_args$args;
+        }
+    }
+
+    location = /robots.txt {
+        allow all;
+        log_not_found off;
+        access_log off;
+    }
+
+    # Make a regex exception for `/.well-known` so that clients can still
+    # access it despite the existence of the regex rule
+    # `location ~ /(\.|autotest|...)` which would otherwise handle requests
+    # for `/.well-known`.
+    location ^~ /.well-known {
+        # The rules in this block are an adaptation of the rules
+        # in `.htaccess` that concern `/.well-known`.
+
+        location = /.well-known/carddav { return 301 /remote.php/dav/; }
+        location = /.well-known/caldav  { return 301 /remote.php/dav/; }
+
+        location /.well-known/acme-challenge    { try_files $uri $uri/ =404; }
+        location /.well-known/pki-validation    { try_files $uri $uri/ =404; }
+
+        # Let Nextcloud's API for `/.well-known` URIs handle all other
+        # requests by passing them to the front-end controller.
+        return 301 /index.php$request_uri;
+    }
+
+    # Rules borrowed from `.htaccess` to hide certain paths from clients
+    location ~ ^/(?:build|tests|config|lib|3rdparty|templates|data)(?:$|/)  { return 404; }
+    location ~ ^/(?:\.|autotest|occ|issue|indie|db_|console)                { return 404; }
+
+    # Ensure this block, which passes PHP files to the PHP process, is above the blocks
+    # which handle static assets (as seen below). If this block is not declared first,
+    # then Nginx will encounter an infinite rewriting loop when it prepends `/index.php`
+    # to the URI, resulting in a HTTP 500 error response.
+    location ~ \.php(?:$|/) {
+        fastcgi_split_path_info ^(.+?\.php)(/.*)$;
+        set $path_info $fastcgi_path_info;
+
+        try_files $fastcgi_script_name =404;
+
+        include fastcgi_params;
+        fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
+        fastcgi_param PATH_INFO $path_info;
+        fastcgi_param HTTPS on;
+
+        fastcgi_param modHeadersAvailable true;         # Avoid sending the security headers twice
+        fastcgi_param front_controller_active true;     # Enable pretty urls
+        fastcgi_pass php-handler;
+
+        fastcgi_intercept_errors on;
+        fastcgi_request_buffering off;
+    }
+
+    location ~ \.(?:css|js|svg|gif|png|jpg|ico)$ {
+        try_files $uri /index.php$request_uri;
+        expires 6M;         # Cache-Control policy borrowed from `.htaccess`
+        access_log off;     # Optional: Don't log access to assets
+    }
+
+    location ~ \.woff2?$ {
+        try_files $uri /index.php$request_uri;
+        expires 7d;         # Cache-Control policy borrowed from `.htaccess`
+        access_log off;     # Optional: Don't log access to assets
+    }
+
+    # Rule borrowed from `.htaccess`
+    location /remote {
+        return 301 /remote.php$request_uri;
+    }
+
+    location / {
+        try_files $uri $uri/ /index.php$request_uri;
+    }
+}

apps/nextcloud/templates/deployment.yaml

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+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-postgres
+spec:
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}-postgres
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: {{ .Release.Name }}-postgres
+    spec:
+      containers:
+        - name: postgres
+          image: postgres:13
+          ports:
+            - containerPort: 5432
+          envFrom:
+          - secretRef:
+              name: {{ tpl .Values.identifier . }}-postgres-config
+          # Use subpath to avoid lost+found error
+          volumeMounts:
+            - name: postgres-data
+              mountPath: "/var/lib/postgresql/data"
+              subPath: postgres
+      volumes:
+        - name: postgres-data
+          persistentVolumeClaim:
+            claimName: {{ tpl .Values.identifier . }}-postgres-data
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ .Release.Name }}-postgres
+  labels:
+    app: {{ .Release.Name }}-postgres
+spec:
+  type: ClusterIP
+  ports:
+   - port: 5432
+     name: postgres
+  selector:
+   app: {{ .Release.Name }}-postgres
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: {{ .Release.Name }}-nextcloud
+spec:
+  selector:
+    matchLabels:
+      app: {{ .Release.Name }}-nextcloud
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        app: {{ .Release.Name }}-nextcloud
+        use-as-service: {{ .Release.Name }}
+    spec:
+      initContainers:
+        - name: wait-for-cert
+          image: busybox
+          command:
+            - sh
+            - -c
+            - until ls /etc/letsencrypt/live/{{ tpl .Values.fqdn . }}/fullchain.pem; do sleep 5; done
+          volumeMounts:
+            - name: etcletsencrypt
+              mountPath: "/etc/letsencrypt"
+      containers:
+        # This container will only start *after* the cert has been placed
+        - name: nginx
+          image: nginx:1.21-alpine
+          ports:
+            - containerPort: 443
+          volumeMounts:
+            - name: nginx-config
+              mountPath: "/etc/nginx/conf.d/"
+            - name: etcletsencrypt
+              mountPath: "/etc/letsencrypt"
+        - name: nextcloud
+          image: nextcloud/nextcloud:{{ .Chart.AppVersion }}
+          ports:
+            - containerPort: 9000
+          env:
+            - name: POSTGRES_DB
+              valueFrom:
+                secretRef:
+                  name: {{ tpl .Values.identifier . }}-postgres-config
+                  key: POSTGRES_DB
+            - name: POSTGRES_USER
+              valueFrom:
+                secretRef:
+                  name: {{ tpl .Values.identifier . }}-postgres-config
+                  key: POSTGRES_USER
+            - name: POSTGRES_PASSWORD
+              valueFrom:
+                secretRef:
+                  name: {{ tpl .Values.identifier . }}-postgres-config
+                  key: POSTGRES_PASSWORD
+            - name: POSTGRES_HOST
+              value: {{ .Release.Name }}-postgres
+            - name: NEXTCLOUD_DATA_DIR
+              value: "/data"
+          volumeMounts:
+            - name: etcletsencrypt
+              mountPath: "/etc/letsencrypt"
+            - name: data
+              mountPath: "/data"
+      volumes:
+        - name: etcletsencrypt
+          persistentVolumeClaim:
+            claimName: {{ tpl .Values.identifier . }}-letsencrypt-certs
+        - name: data
+          persistentVolumeClaim:
+            claimName: {{ tpl .Values.identifier . }}-data
+        - name: postgres-data
+          persistentVolumeClaim:
+            claimName: {{ tpl .Values.identifier . }}-postgres-data
+        - name: nginx-config
+          configMap:
+            name: {{ tpl .Values.identifier . }}-nginx-config
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ tpl .Values.identifier . }}
+  labels:
+    app: {{ tpl .Values.identifier . }}
+spec:
+  type: ClusterIP
+  ports:
+   - port: 22
+     name: ssh
+   # Required for letsencrypt
+   - port: 80
+     name: http
+   - port: 443
+     name: https
+  selector:
+   use-as-service: {{ .Release.Name }}
+# ---
+# apiVersion: v1
+# kind: ConfigMap
+# metadata:
+#   name: {{ tpl .Values.identifier . }}-nextcloudconfig
+# data:
+# {{ tpl (.Files.Glob "nextcloud/*").AsConfig . | indent 2 }}
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ tpl .Values.identifier . }}-letsencrypt-certs
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 50Mi
+  storageClassName: rook-cephfs
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ tpl .Values.identifier . }}-data
+spec:
+  accessModes:
+    - ReadWriteMany
+  resources:
+    requests:
+      storage: 1Gi
+  storageClassName: rook-cephfs
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: {{ tpl .Values.identifier . }}-postgres-data
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 500Mi
+  storageClassName: rook-ceph-block
+---
+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: {{ tpl .Values.identifier . }}-getcert
+spec:
+  template:
+    metadata:
+      labels:
+        app: certbot-letsencrypt-getcert
+        use-as-service: {{ .Release.Name }}
+    spec:
+      restartPolicy: Never
+      containers:
+      - name: certbot
+        image: ungleich/ungleich-certbot
+        ports:
+          - containerPort: 80
+        env:
+          - name: DOMAIN
+            value: "{{ tpl .Values.fqdn . }}"
+          - name: EMAIL
+            value: "{{ .Values.email }}"
+          {{ if eq .Values.letsencryptStaging "no" }}
+          - name: STAGING
+            value: "no"
+          {{ end }}
+        volumeMounts:
+          - name: etcletsencrypt
+            mountPath: "/etc/letsencrypt"
+      volumes:
+        - name: etcletsencrypt
+          persistentVolumeClaim:
+            claimName: {{ tpl .Values.identifier . }}-letsencrypt-certs
+  backoffLimit: 3
+---
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ tpl .Values.identifier . }}-nginx-config
+data:
+{{ tpl (.Files.Glob "nginx/*").AsConfig . | indent 2 }}
+---
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ tpl .Values.identifier . }}-postgres-config
+  annotations:
+    secret-generator.v1.mittwald.de/autogenerate: POSTGRES_PASSWORD
+stringData:
+  POSTGRES_USER: "postgres"
+  POSTGRES_DB: "nextcloud"

apps/nextcloud/templates/tests/test-connection.yaml

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+apiVersion: v1
+kind: Pod
+metadata:
+  name: "{{ tpl .Values.identifier . }}-test-connection"
+  annotations:
+    "helm.sh/hook": test
+spec:
+  containers:
+    - name: wget
+      image: busybox
+      command: ['wget']
+      args: ['https://{{ tpl .Values.fqdn . }}']
+  restartPolicy: Never

apps/nextcloud/values.yaml

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+clusterDomain: c2.k8s.ooo
+email: technik@ungleich.ch
+letsencryptStaging: "yes"
+
+# This is how the service and the data volumes are named - i.e. the
+# persistent thing
+identifier: "{{ .Release.Name }}"
+fqdn: "{{ .Release.Name }}.{{ .Release.Namespace }}.svc.{{ .Values.clusterDomain }}"