Add some debugging output when the tests fail

hack/jenkins/common.sh

@@ -71,7 +71,7 @@ sudo rm -rf $HOME/.kube || true
 
 # Allow this to fail, we'll switch on the return code below.
 set +e
-${SUDO_PREFIX}out/e2e-${OS_ARCH} -minikube-args="--vm-driver=${VM_DRIVER} --v=10" -test.v -test.timeout=30m -binary=out/minikube-${OS_ARCH}
+${SUDO_PREFIX}out/e2e-${OS_ARCH} -minikube-args="--vm-driver=${VM_DRIVER} --v=10 --logtostderr" -test.v -test.timeout=30m -binary=out/minikube-${OS_ARCH}
 result=$?
 set -e
 
@@ -85,6 +85,7 @@ if [[ $result -eq 0 ]]; then
   status="success"
 else
   status="failure"
+  source print-debug-info.sh
 fi
 
 set +x

hack/jenkins/print-debug-info.sh

+#!/bin/bash
+
+# Copyright 2016 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# 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.
+
+# Prints some debug info about the state of the cluster
+#
+# We don't check the error on these commands, since they might fail depending on
+# the cluster state.
+set +e
+
+kubectl get pods --all-namespaces
+kubectl cluster-info dump
+
+docker ps
+
+MINIKUBE=${SUDO_PREFIX}out/minikube-${OS_ARCH}
+${MINIKUBE} status
+${MINIKUBE} ip
+${MINIKUBE} ssh -- cat /etc/VERSION
+${MINIKUBE} ssh -- docker ps
+${MINIKUBE} logs
+
+set -e