ENT-23: add hooks for running pre- and post-init scripts

docker-compose.yml

@@ -14,6 +14,7 @@ services:
       test: "curl -f http://localhost:8080/login/ || exit 1"
     volumes:
     - ./configuration:/etc/netbox/config:z,ro
+    - init-files:/opt/init:ro
     - netbox-media-files:/opt/netbox/netbox/media:rw
     - netbox-reports-files:/opt/netbox/netbox/reports:rw
     - netbox-scripts-files:/opt/netbox/netbox/scripts:rw
@@ -72,6 +73,8 @@ services:
     - netbox-redis-cache-data:/data
 
 volumes:
+  init-files:
+    driver: local
   netbox-media-files:
     driver: local
   netbox-postgres-data:

docker/docker-entrypoint.sh

@@ -1,12 +1,19 @@
 #!/bin/bash
 # Runs on every start of the NetBox Docker container
 
-# Stop when an error occures
+# Stop when an error occurs
 set -e
 
 # Allows NetBox to be run as non-root users
 umask 002
 
+if [ -d /opt/init/pre ]; then
+  find /opt/init/pre -type f -name \*.sh | sort -u | while read -r FILE; do
+    echo "⚙️ Running pre-init script '${FILE}'..."
+    /bin/bash -e "${FILE}" "$@"
+  done
+fi
+
 # Load correct Python3 env
 # shellcheck disable=SC1091
 source /opt/netbox/venv/bin/activate
@@ -91,8 +98,15 @@ except Token.DoesNotExist:
     pass
 END
 
+if [ -d /opt/init/post ]; then
+  find /opt/init/post -type f -name \*.sh | sort -u | while read -r FILE; do
+    echo "⚙️ Running post-init script '${FILE}'..."
+    /bin/bash -e "${FILE}" "$@"
+  done
+fi
+
 echo "✅ Initialisation is done."
 
 # Launch whatever is passed by docker
-# (i.e. the RUN instruction in the Dockerfile)
+# (i.e. the CMD instruction in the Dockerfile)
 exec "$@"