add a script to wait for vertica is up

Author: pik94

.github/workflows/ci.yml

@@ -49,4 +49,6 @@ jobs:
             DATADIFF_TRINO_URI: '${{ secrets.DATADIFF_TRINO_URI }}'
             DATADIFF_CLICKHOUSE_URI: 'clickhouse://clickhouse:Password1@localhost:9000/clickhouse'
             DATADIFF_VERTICA_URI: 'vertica://vertica:Password1@localhost:5433/vertica'
-        run: poetry run unittest-parallel -j 16
+        run: |
+          chmod +x tests/waiting_for_stack_up.sh
+          ./tests/waiting_for_stack_up.sh && poetry run unittest-parallel -j 16

tests/waiting_for_stack_up.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+if [ -n "$DATADIFF_VERTICA_URI" ]
+    then
+        echo "Check Vertica DB running..."
+        while true
+        do
+            if docker logs vertica | tail -n 100 | grep -q -i "vertica is now running"
+            then
+               echo "Vertica DB is ready";
+               break;
+            else
+               echo "Waiting for Vertica DB starting...";
+               sleep 10;
+            fi
+        done
+fi