Add service check to verification script

Update 7_verify_authentication.sh so that it waits for the services to become
available before querying them

Additionally, update the is_minienv check in utils.sh so that it works when
minishift is not installed

7_verify_authentication.sh

@@ -10,14 +10,19 @@ set_namespace $TEST_APP_NAMESPACE_NAME
 # Kubernetes and OpenShift currently deploy different apps; verify differently
 if [[ "$PLATFORM" = "kubernetes" ]]; then
 
-  init_url=$($cli describe service test-app-summon-init |
-    grep 'LoadBalancer Ingress' | awk '{ print $3 }'):8080
-  sidecar_url=$($cli describe service test-app-summon-sidecar |
-    grep 'LoadBalancer Ingress' | awk '{ print $3 }'):8080
-  secretless_url=$($cli describe service test-app-secretless |
-    grep 'LoadBalancer Ingress' | awk '{ print $3 }'):8080
-
-  echo -e "Adding entry to the init app\n"
+  echo "Waiting for services to become available"
+  while [ -z "$(service_ip "test-app-summon-init")" ] ||
+        [ -z "$(service_ip "test-app-summon-sidecar")" ] ||
+        [ -z "$(service_ip "test-app-secretless")" ]; do
+    printf "."
+    sleep 1
+  done
+
+  init_url=$(service_ip test-app-summon-init):8080
+  sidecar_url=$(service_ip test-app-summon-sidecar):8080
+  secretless_url=$(service_ip test-app-secretless):8080
+
+  echo -e "\nAdding entry to the init app\n"
   curl \
     -d '{"name": "Mr. Init"}' \
     -H "Content-Type: application/json" \
@@ -35,8 +40,6 @@ if [[ "$PLATFORM" = "kubernetes" ]]; then
     -H "Content-Type: application/json" \
     $secretless_url/pet
 
-  echo -e "Remember that they are both using the same DB backend...\n"
-
   echo -e "Querying init app\n"
   curl $init_url/pets
 

utils.sh

@@ -133,9 +133,25 @@ function wait_for_it() {
 }
 
 function is_minienv() {
-  if [[ $MINIKUBE == false && "$(minishift status | grep Running)" = "" ]]; then
-    false
+  if hash minishift 2>/dev/null; then
+    # Check if Minishift is running too
+    if [[ $MINIKUBE == false && "$(minishift status | grep Running)" = "" ]]; then
+      false
+    else
+      true
+    fi
   else
-    true
+    if [[ $MINIKUBE == false ]]; then
+      false
+    else
+      true
+    fi
   fi
 }
+
+function service_ip() {
+  local service=$1
+
+  echo "$($cli describe service $service | grep 'LoadBalancer Ingress' |
+    awk '{ print $3 }')"
+}