Add server init script

- Taken (mostly) from https://github.com/inventree/InvenTree/pull/1949

docker/Dockerfile

@@ -114,7 +114,7 @@ ENV INVENTREE_DEV_DIR="${INVENTREE_HOME}/dev"
 
 # Location for python virtual environment
 # If the INVENTREE_PY_ENV variable is set, the entrypoint script will use it!
-ENV INVENTREE_PY_ENV="${INVENTREE_HOME}/dev/env"
+ENV INVENTREE_PY_ENV="${INVENTREE_DEV}/env"
 
 # Override default path settings
 ENV INVENTREE_STATIC_ROOT="${INVENTREE_DEV_DIR}/static"

docker/init-server.sh

@@ -0,0 +1,69 @@
+#!/bin/sh
+# exit when any command fails
+set -e
+
+# Create required directory structure (if it does not already exist)
+if [[ ! -d "$INVENTREE_STATIC_ROOT" ]]; then
+    echo "Creating directory $INVENTREE_STATIC_ROOT"
+    mkdir -p $INVENTREE_STATIC_ROOT
+fi
+
+if [[ ! -d "$INVENTREE_MEDIA_ROOT" ]]; then
+    echo "Creating directory $INVENTREE_MEDIA_ROOT"
+    mkdir -p $INVENTREE_MEDIA_ROOT
+fi
+
+# Check if "config.yaml" has been copied into the correct location
+if test -f "$INVENTREE_CONFIG_FILE"; then
+    echo "$INVENTREE_CONFIG_FILE exists - skipping"
+else
+    echo "Copying config file to $INVENTREE_CONFIG_FILE"
+    cp $INVENTREE_HOME/InvenTree/config_template.yaml $INVENTREE_CONFIG_FILE
+fi
+
+# Setup a python virtual environment
+# This should be done on the *mounted* filesystem,
+# so that the installed modules persist!
+if [[ -n "$INVENTREE_PY_ENV" ]]; then
+    echo "Using Python virtual environment: ${INVENTREE_PY_ENV}"
+    # Setup a virtual environment (within the "dev" directory)
+    python3 -m venv ${INVENTREE_PY_ENV}
+
+    # Activate the virtual environment
+    source ${INVENTREE_PY_ENV}/bin/activate
+
+    echo "Installing required packages..."
+    pip install --no-cache-dir -U -r ${INVENTREE_HOME}/requirements.txt
+fi
+
+# Wait for the InvenTree database to be ready
+cd ${INVENTREE_MNG_DIR}
+echo "InvenTree: Waiting for database connection"
+python3 manage.py wait_for_db && echo "InvenTree: db found, sleeping 10" || { echo "InvenTree: Failed to connect to db due to errors, aborting"; exit 1; }
+sleep 10
+
+# Check database migrations
+cd ${INVENTREE_HOME}
+
+# We assume at this stage that the database is up and running
+# Ensure that the database schema are up to date
+echo "InvenTree: Checking database..."
+invoke check || exit 1
+echo "InvenTree: Check successful"
+echo "InvenTree: Database Migrations..."
+invoke migrate || exit 1
+echo "InvenTree: Migrations successful"
+echo "InvenTree: Collecting static files..."
+# Note: "translate" calls "static" also
+invoke translate || exit 1
+echo "InvenTree: static successful"
+
+# Can be run as a cron job or directly to clean out expired sessions.
+cd ${INVENTREE_MNG_DIR}
+python3 manage.py clearsessions || exit 1
+echo "InvenTree: migrations complete"
+
+#Launch the CMD
+#echo "init-server launching $@"
+#exec "$@"
+#echo "init-server exiting"

tasks.py

@@ -156,7 +156,7 @@ def migrate(c):
     print("========================================")
 
     manage(c, "makemigrations")
-    manage(c, "migrate")
+    manage(c, "migrate --noinput")
     manage(c, "migrate --run-syncdb")
     manage(c, "check")