Add logging and abort when no dbt downstream tables are found

Dockerfile

@@ -20,25 +20,24 @@ RUN yum install -y \
         jq \
         libyaml-devel \
         openssh-clients \
+        passwd \
         postgresql \
         procps-ng \
         python3 \
         python3-devel \
+        sudo \
         tar \
         tmux \
-        vim-minimal \
-        sudo \
-        passwd
+        vim-minimal
 
 RUN amazon-linux-extras install docker
 
 # Run as non-priviledged user "arthur".
-RUN useradd --comment 'Arthur ETL' --user-group --create-home arthur && \
+RUN useradd --comment 'Arthur ETL' --user-group --groups wheel --create-home arthur  && \
     mkdir --parent /opt/data-warehouse "/opt/local/$PROJ_NAME" /opt/src/arthur-redshift-etl && \
     chown -R arthur.arthur /opt/*
 
 RUN echo "arthur:arthur" | chpasswd
-RUN usermod -aG wheel arthur
 
 USER arthur
 

python/etl/commands.py

@@ -1792,7 +1792,11 @@ def callback(self, args):
         dbt_downstream_parents = " ".join(
             [f"{parent}+" for parent in dbt_project.show_downstream_dbt_parents(dbt_model_identifiers)]
         )
+        if not dbt_downstream_parents:
+            logging.info("No dbt downstream dependents found")
+            return
 
+        logging.info("dbt downstream dependents found")
         dbt_project.build_image()
         dbt_stdout = dbt_project.run_cmd(
             f"dbt list -t dev --exclude redshift --output json "