respond to comments

.gitignore

@@ -8,8 +8,4 @@ pkg/
 .vs/
 .idea
 .skaffold-*.yaml
-.kubernetes-manifests-*/
-istio-1.*/
-install-istio.sh
-mtls.yaml
-istio.yaml
+.kubernetes-manifests-*/

kubernetes-manifests/loadgenerator.yaml

@@ -11,7 +11,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 apiVersion: apps/v1
 kind: Deployment
 metadata:
@@ -30,9 +29,6 @@ spec:
     spec:
       terminationGracePeriodSeconds: 5
       restartPolicy: Always
-        env:
-        - name: FRONTEND_ADDR
-          value: "frontend:80"
       containers:
       - name: main
         image: loadgenerator
@@ -47,4 +43,4 @@ spec:
             memory: 256Mi
           limits:
             cpu: 500m
-            memory: 512Mi
+            memory: 512Mi

src/loadgenerator/loadgen.sh

@@ -18,7 +18,7 @@
 set -e
 trap "exit" TERM
 
-if [ -z "${FRONTEND_ADDR}" ]; then
+if [[ -z "${FRONTEND_ADDR}" ]]; then
     echo >&2 "FRONTEND_ADDR not specified"
     exit 1
 fi
@@ -28,7 +28,7 @@ set -x
 # if one request to the frontend fails, then exit
 STATUSCODE=$(curl --silent --output /dev/stderr --write-out "%{http_code}" http://${FRONTEND_ADDR})
 if test $STATUSCODE -ne 200; then
-    echo "Error: cannot reach frontend, exiting"
+    echo "Error: Could not reach frontend - Status code: ${STATUSCODE}"
     exit 1
 fi