Add verbose mode for schema creation

Needed for debugging connection problems, which sometimes have useless
errors

Dockerfile

@@ -11,6 +11,10 @@ RUN apt-get update; \
 RUN rm /opt/hadoop/share/hadoop/common/lib/log4j-1.2.17.jar && \
     rm /opt/hadoop/share/hadoop/hdfs/lib/log4j-1.2.17.jar
 
+# Allow providing arguments to schematool by appending an env var to the line
+# This is fragile and may need updating as the hive version changes
+RUN sed -i -r 's#^(.*schematool.*)$#\1 \$SCHEMATOOL_ARGS#' /entrypoint.sh
+
 ENV POSTGRES_JAR=postgresql-42.6.2.jar
 
 # License is BSD-2: https://jdbc.postgresql.org/license/

docker-compose.yaml

@@ -28,6 +28,7 @@ services:
       # Set to true after DB has been created on first run
       # This is really annoying...
       - IS_RESUME=false
+      - VERBOSE=false
       - POSTGRES_HOST=postgres:5432
       - POSTGRES_DB=hive
       - POSTGRES_USER=hive

scripts/entrypoint.sh

@@ -11,5 +11,10 @@ export SERVICE_OPTS="
     -Djavax.jdo.option.ConnectionUserName=$POSTGRES_USER
     -Djavax.jdo.option.ConnectionPassword=$POSTGRES_PASSWORD"
 
+if [ "$VERBOSE" = "true" ]; then
+    echo "Setting verbose mode"
+    export SCHEMATOOL_ARGS="--verbose"
+fi
+
 # https://github.com/apache/hive/blob/7f87a3b0ef5bd468df34fb4dd5bb4c4db2ac2245/packaging/src/docker/Dockerfile
 /entrypoint.sh