Verify that Mira can discover engines in swarm and k8s in CCI (#208)

* Verify number of engines in swarm and k8s

* Use two qix engines in swarm example

* Print found and expected number of qix engines

.circleci/config.yml

@@ -147,6 +147,25 @@ jobs:
             done
 
             echo "Mira is up and running!"
+      - run:
+          name: Verify number of engines found
+          command: |
+            set +e
+
+            # Check that Mira returns correct number of qix engines
+            RETRIES=0
+            EXPECTED_NBR_ENGINES=2
+            while (( NBR_ENGINES != "$EXPECTED_NBR_ENGINES" && RETRIES != 10 )); do
+              NBR_ENGINES=$(curl "http://localhost:9100/v1/engines" | grep -o \"metricsPort\" | wc -w)
+              echo "Mira returned $NBR_ENGINES qix engines"
+              sleep 2
+              RETRIES=$((RETRIES + 1 ))
+            done
+
+            if [ "$NBR_ENGINES" != "$EXPECTED_NBR_ENGINES" ]; then
+              echo "Found $NBR_ENGINES QIX Engines but expected $EXPECTED_NBR_ENGINES"
+              exit 1
+            fi
 
   # Job for testing Mira in kubernetes
   kubernetes:
@@ -191,6 +210,26 @@ jobs:
             # Check mira health
             MIRA_URL=$(sudo minikube service mira --url)
             curl -fs "$MIRA_URL/v1/health"
+      - run:
+          name: Verify number of engines found
+          command: |
+            set +e
+
+            MIRA_URL=$(sudo minikube service mira --url)
+            # Check that Mira returns correct number of qix engines
+            RETRIES=0
+            EXPECTED_NBR_ENGINES=2
+            while (( NBR_ENGINES != "$EXPECTED_NBR_ENGINES" && RETRIES != 10 )); do
+              NBR_ENGINES=$(curl "$MIRA_URL/v1/engines" | grep -o \"metricsPort\" | wc -w)
+              echo "Mira returned $NBR_ENGINES qix engines"
+              sleep 2
+              RETRIES=$((RETRIES + 1 ))
+            done
+
+            if [ "$NBR_ENGINES" != "$EXPECTED_NBR_ENGINES" ]; then
+              echo "Found $NBR_ENGINES QIX Engines but expected $EXPECTED_NBR_ENGINES"
+              exit 1
+            fi
 
   # Job for testing Mira in dns mode
   dns:
@@ -239,15 +278,16 @@ jobs:
             set +e
             # Check that Mira returns correct number of qix engines
             RETRIES=0
-            while (( NBR_ENGINES != "2" && RETRIES != 10 )); do
+            EXPECTED_NBR_ENGINES=2
+            while (( NBR_ENGINES != "$EXPECTED_NBR_ENGINES" && RETRIES != 10 )); do
               NBR_ENGINES=$(curl "http://localhost:9100/v1/engines" | grep -o \"metricsPort\" | wc -w)
               echo "Mira returned $NBR_ENGINES qix engines"
               sleep 2
               RETRIES=$((RETRIES + 1 ))
             done
 
-            if [ "$NBR_ENGINES" != "2" ]; then
-              echo "Incorrect number of qix engines found"
+            if [ "$NBR_ENGINES" != "$EXPECTED_NBR_ENGINES" ]; then
+              echo "Found $NBR_ENGINES QIX Engines but expected $EXPECTED_NBR_ENGINES"
               exit 1
             fi
 

examples/swarm/docker-compose-swarm.yml

@@ -16,5 +16,7 @@ services:
     image: qlikea/engine:12.113.0
     ports:
       - 9076:9076
+    deploy:
+      replicas: 2
     labels:
       qix-engine: ""