add option to expose metrics via nextcloud-exporter

.env.sample

@@ -102,11 +102,12 @@ DEFAULT_QUOTA="10 GB"
 # USER_OIDC_LOGIN_ONLY=false
 # SECRET_USER_OIDC_SECRET_VERSION=v1
 
-# Image / PDF previews with Imaginary (see README)
-#COMPOSE_FILE="$COMPOSE_FILE:compose.imaginary-preview.yml"
-
 # HSTS Options
 # Uncomment this line to enable HSTS: https://docs.nextcloud.com/server/30/admin_manual/installation/harden_server.html
 #HSTS_ENABLED=1
 # Uncomment this line to add the `preload` part
 #HSTS_PRELOAD=1
+
+# Metrics
+# COMPOSE_FILE="$COMPOSE_FILE:compose.metrics.yml"
+# SECRET_METRICS_TOKEN_VERSION=v1 # length=32 charset=hex

README.md

@@ -128,6 +128,17 @@ To disable dashboard app (since it is so corporate):
 
 - Configure a `defaultapp` in your `config.php` or use [apporder](https://apps.nextcloud.com/apps/apporder)
 
+## Metrics
+
+There is a [metrics exporter](https://github.com/xperimental/nextcloud-exporter) that can be run as sidecar container, also part of the nextcloud helm charts. Its configured via alloys label-based auto-discovery provided by the updated [monitoring-stack](https://git.coopcloud.tech/coop-cloud/monitoring-ng)
+To enable, uncomment 
+```
+COMPOSE_FILE="$COMPOSE_FILE:compose.metrics.yml"
+SECRET_METRICS_TOKEN_VERSION=v1 # length=32 charset=hex
+```
+then generate the secret with abra and run
+`abra app cmd <domain> app set_metrics_token`
+
 ## Upgrading Nextcloud
 Upgrading Nextcloud can be a hair raising experiance. They [don't support downgrading](https://docs.nextcloud.com/server/latest/admin_manual/maintenance/upgrade.html) even for minor versions.
 
@@ -315,20 +326,6 @@ docker exec -u www-data $(docker ps -f name=foo_com_app -q) ./occ preview:pre-ge
 
 This app will improve performance of image browsing at the cost of storage space.
 
-## Better image previews with `imaginary`
-
-1. Run `abra app config <domain>` and uncomment the line `#COMPOSE_FILE="$COMPOSE_FILE:compose.imaginary-preview.yml"`.
-2. Re-deploy the app (`abra app deploy <domain> --force`)
-3. Edit `/var/www/config/config.php` and add:
-
-  ```
-  'enabledPreviewProviders' => 
-  array (
-    0 => 'OC\\Preview\\Imaginary',
-  ),
-  'preview_imaginary_url' => 'http://imaginary:9000',
-  ```
-
 ## Fulltextsearch using elasticsearch
 
 1. Uncomment the following lines in your env file:

abra.sh

@@ -193,3 +193,7 @@ set_windowsfriendly_filenames() {
 upgrade_mariadb() {
     mariadb-upgrade -p`cat /run/secrets/db_root_password`
 }
+
+set_metrics_token() {
+    run_occ "config:app:set serverinfo token --value '$(cat /run/secrets/metrics_token)'"
+}

compose.fulltextsearch.yml

@@ -2,7 +2,7 @@ version: "3.8"
 
 services:
   elasticsearch:
-    image: "docker.elastic.co/elasticsearch/elasticsearch:8.17.2"
+    image: "docker.elastic.co/elasticsearch/elasticsearch:8.19.16"
     environment:
       - cluster.name=docker-cluster
       - bootstrap.memory_lock=true
@@ -29,7 +29,7 @@ services:
         mode: 0600
 
   searchindexer:
-    image: nextcloud:32.0.3-fpm
+    image: nextcloud:32.0.11-fpm
     volumes:
       - nextcloud:/var/www/html/
       - nextapps:/var/www/html/custom_apps:cached

compose.imaginary-preview.yml

@@ -1,10 +0,0 @@
----
-version: '3.8'
-services:
-  imaginary:
-    image: nextcloud/aio-imaginary:20250822_112758
-    environment:
-      - PORT=9000
-    command: -concurrency 50 -enable-url-source -log-level debug
-    networks:
-      - internal

compose.metrics.yml

@@ -0,0 +1,22 @@
+version: "3.8"
+services:
+  app: 
+    secrets:
+      - metrics_token
+  metrics:
+    image: xperimental/nextcloud-exporter:0.9.0
+    environment:
+      - NEXTCLOUD_SERVER=https://$DOMAIN
+      - NEXTCLOUD_AUTH_TOKEN=@/run/secrets/metrics_token
+    secrets:
+      - metrics_token
+    networks:
+      - proxy
+    deploy:
+      labels:
+        - "prometheus.io/scrape=true"
+        - "prometheus.io/port=9205"
+secrets:
+  metrics_token:
+    external: true
+    name: ${STACK_NAME}_metrics_token_${SECRET_METRICS_TOKEN_VERSION}

compose.postgres.yml

@@ -10,7 +10,7 @@ services:
       - NEXTCLOUD_UPDATE=1
 
   db:
-    image: "postgres:13"
+    image: "pgautoupgrade/pgautoupgrade:14-debian"
     command: -c "max_connections=${MAX_DB_CONNECTIONS:-100}"
     volumes:
       - "postgres:/var/lib/postgresql/data"

compose.whiteboard.yml

@@ -6,7 +6,7 @@ services:
       - whiteboard_jwt
 
   whiteboard:
-    image: ghcr.io/nextcloud-releases/whiteboard:v1.5.0
+    image: ghcr.io/nextcloud-releases/whiteboard:v1.5.9
     deploy:
       labels:
         - traefik.enable=true

compose.yml

@@ -1,7 +1,7 @@
 version: "3.8"
 services:
   web:
-    image: nginx:1.29.4
+    image: nginx:1.31.1
     depends_on:
       - app
     configs:
@@ -48,7 +48,7 @@ services:
       start_period: 5m
 
   app:
-    image: nextcloud:32.0.3-fpm
+    image: nextcloud:32.0.11-fpm
     depends_on:
       - db
     configs:
@@ -95,7 +95,7 @@ services:
         failure_action: rollback
         order: start-first
       labels:
-        - "coop-cloud.${STACK_NAME}.version=13.0.1+32.0.3-fpm"
+        - "coop-cloud.${STACK_NAME}.version=13.1.0+32.0.11-fpm"
         - "coop-cloud.${STACK_NAME}.timeout=${TIMEOUT}"
         - "backupbot.backup=${ENABLE_BACKUPS:-true}"
         - "backupbot.backup.volumes.redis=false"
@@ -109,7 +109,7 @@ services:
       start_period: 15m
 
   cron:
-    image: nextcloud:32.0.3-fpm
+    image: nextcloud:32.0.11-fpm
     volumes:
       - nextcloud:/var/www/html/
       - nextapps:/var/www/html/custom_apps:cached
@@ -125,7 +125,7 @@ services:
 
 
   cache:
-    image: redis:8.4.0-alpine
+    image: redis:8.8.0-alpine
     networks:
       - internal
     volumes:

release/13.1.0+32.0.11-fpm

@@ -0,0 +1,3 @@
+Important:
+Posgres: Due to end of support for postgres 13 we upgraded to pgautoupgrade-14-debian but we could not test it, so please take backups before the upgrade!
+Elastic Search: We chose the latest minor update for elasticsearch but we were also not able to test it.