Fetch aws-load-balancer-controller logs before deleting (kubernetes-sigs#2436)

* Fetch aws-load-balancer-controller logs before deleting

* Fetch logs from all controller pods

Author: cgchinmay

test/e2e/run-canary-test.sh

@@ -78,6 +78,11 @@ echo "Starting the ginkgo test suite"
 
 (cd $SCRIPT_DIR && CGO_ENABLED=0 GOOS=$OS_OVERRIDE ginkgo -v -r --timeout 60m --failOnPending -- --kubeconfig=$KUBE_CONFIG_PATH --cluster-name=$CLUSTER_NAME --aws-region=$REGION --aws-vpc-id=$VPC_ID || true)
 
+# tail=-1 is added so that no logs are truncated
+# https://github.com/kubernetes/kubectl/issues/812
+echo "Fetch most recent aws-load-balancer-controller logs"
+kubectl logs -l app.kubernetes.io/name=aws-load-balancer-controller --container aws-load-balancer-controller --tail=-1 -n kube-system
+
 echo "Delete aws-load-balancer-controller"
 helm delete aws-load-balancer-controller -n kube-system --timeout=10m || true