Add really basic attempt at enabling postgis extension on postgres db

ci_tests/basic_postgres/values-postgis.yaml

+persistence:
+  enabled: false
\ No newline at end of file

helpers/deploy_postgis.sh

@@ -17,6 +17,11 @@ else
     release_prefix="$2"
 fi
 
+get_pod_name() {
+    release_name="$1"
+    kubectl -n $ns get pods --selector=app.kubernetes.io/instance=${release_name} -o name
+}
+
 
 ns=$(./helpers/get_namespace.sh)
 # get password from any previous installation
@@ -41,4 +46,18 @@ echo "Start waiting for postgres: $(date +%Y%m%dT%H%M%S)"
 kubectl wait -n $ns --selector=app.kubernetes.io/instance=${release_name} --timeout 120s --for=condition=Ready pod
 status=$?
 echo "Done waiting for postgis: $(date +%Y%m%dT%H%M%S) : $status"
+
+if [[ ${status} -ne 0 ]]; then
+    exit $status
+fi
+
+# This is the first time we've installed this
+if [[ "$sec_info" == "" ]]; then
+    # Enable PostGIS extension
+    POSTGRES_PASSWORD=$(kubectl get secret -n $ns ${auth_sec} -o jsonpath-"{.data.postgresql-password}" | base64 --decode)
+    pod_name=$(get_pod_name ${release_name})
+    kubectl exec -n $ns ${pod_name} -- bash -c "PGPASSWORD=$POSTGRES_PASSWORD; psql -U postgres -d postgres -c 'CREATE EXTENSION postgis;'"
+    status=$?
+fi
+
 exit $status