e2e: make external-dsc-etcd more resilient

Author: teoincontatto

stackgres-k8s/e2e/spec/external-dcs-etcd

@@ -112,7 +112,7 @@ check_external_dcs_two_clusters_is_working() {
   wait_pods_running "$CLUSTER_FAR_NAMESPACE" 2
   wait_cluster_external_dcs "$CLUSTER_FAR_NAME" "$CLUSTER_FAR_NAMESPACE" test false
 
-  CLUSTER_NAMESPACE="$CLUSTER_FAR_NAMESPACE" CLUSTER_NAME="$CLUSTER_FAR_NAME" CLUSTER_HOST="$CLUSTER_FAR_NAME-replicas" try_function check_mock_data_samehost "$CLUSTER_FAR_NAME"
+  CLUSTER_NAMESPACE="$CLUSTER_FAR_NAMESPACE" CLUSTER_NAME="$CLUSTER_FAR_NAME" CLUSTER_HOST="$CLUSTER_FAR_NAME-replicas" try_function wait_until check_mock_data_samehost "$CLUSTER_FAR_NAME"
   if "$RESULT"
   then
     success "Cluster using external DCS is replicating from cluster using same DCS and scope and was able to read some data from replicas service"

stackgres-k8s/e2e/spec/previous/1.14/spec/external-dcs-etcd

@@ -112,7 +112,7 @@ check_external_dcs_two_clusters_is_working() {
   wait_pods_running "$CLUSTER_FAR_NAMESPACE" 2
   wait_cluster_external_dcs "$CLUSTER_FAR_NAME" "$CLUSTER_FAR_NAMESPACE" test false
 
-  CLUSTER_NAMESPACE="$CLUSTER_FAR_NAMESPACE" CLUSTER_NAME="$CLUSTER_FAR_NAME" CLUSTER_HOST="$CLUSTER_FAR_NAME-replicas" try_function check_mock_data_samehost "$CLUSTER_FAR_NAME"
+  CLUSTER_NAMESPACE="$CLUSTER_FAR_NAMESPACE" CLUSTER_NAME="$CLUSTER_FAR_NAME" CLUSTER_HOST="$CLUSTER_FAR_NAME-replicas" try_function wait_until check_mock_data_samehost "$CLUSTER_FAR_NAME"
   if "$RESULT"
   then
     success "Cluster using external DCS is replicating from cluster using same DCS and scope and was able to read some data from replicas service"

stackgres-k8s/e2e/spec/previous/1.15/spec/external-dcs-etcd

@@ -112,7 +112,7 @@ check_external_dcs_two_clusters_is_working() {
   wait_pods_running "$CLUSTER_FAR_NAMESPACE" 2
   wait_cluster_external_dcs "$CLUSTER_FAR_NAME" "$CLUSTER_FAR_NAMESPACE" test false
 
-  CLUSTER_NAMESPACE="$CLUSTER_FAR_NAMESPACE" CLUSTER_NAME="$CLUSTER_FAR_NAME" CLUSTER_HOST="$CLUSTER_FAR_NAME-replicas" try_function check_mock_data_samehost "$CLUSTER_FAR_NAME"
+  CLUSTER_NAMESPACE="$CLUSTER_FAR_NAMESPACE" CLUSTER_NAME="$CLUSTER_FAR_NAME" CLUSTER_HOST="$CLUSTER_FAR_NAME-replicas" try_function wait_until check_mock_data_samehost "$CLUSTER_FAR_NAME"
   if "$RESULT"
   then
     success "Cluster using external DCS is replicating from cluster using same DCS and scope and was able to read some data from replicas service"

stackgres-k8s/e2e/utils/cluster

@@ -165,6 +165,10 @@ wait_cluster_external_dcs() {
         | wc -l)" -ge 1 ]'
     fi
   fi
+
+  wait_until eval 'kubectl exec -n "$NAMESPACE" "$RELEASE-0" -c patroni -- \
+      psql -t -A -c "\du" \
+      | grep -q "^authenticator|"'
 }
 
 has_cluster_generated_resources() {