Travis should test that build-go.sh generated something

Add a new hack/test-cmd.sh that tries to use the generated
executables in a meaningful way.  It does not require Docker
so as to be runnable in Travis

.travis.yml

@@ -15,6 +15,7 @@ install:
 
 script:
   - ./hack/test-go.sh
+  - PATH=$HOME/gopath/bin:$PATH ./hack/test-cmd.sh
   - PATH=$HOME/gopath/bin:$PATH ./hack/integration-test.sh
 
 notifications:

hack/test-cmd.sh

@@ -0,0 +1,133 @@
+#!/bin/bash
+
+# Copyright 2014 Google Inc. 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.
+
+# This command checks that the built commands can function together for
+# simple scenarios.  It does not require Docker so it can run in travis.
+
+function wait_for_url {
+  url=$1
+  prefix=${2:-}
+  wait=${3:-0.2}
+  times=${4:-10}
+
+  set +e
+  for i in $(seq 1 $times); do
+    out=$(curl -fs $url 2>/dev/null)
+    if [ $? -eq 0 ]; then
+      set -e
+      echo ${prefix}${out}
+      return 0
+    fi
+    sleep $wait
+  done
+  echo "ERROR: timed out for $url"
+  set -e
+  return 1
+}
+
+function cleanup()
+{
+    set +e
+    kill ${APISERVER_PID} 1>&2 2>/dev/null
+    kill ${CTLRMGR_PID} 1>&2 2>/dev/null
+    kill ${KUBELET_PID} 1>&2 2>/dev/null
+    kill ${PROXY_PID} 1>&2 2>/dev/null
+    kill ${ETCD_PID} 1>&2 2>/dev/null
+    rm -rf ${ETCD_DIR} 1>&2 2>/dev/null
+    echo "Complete"
+}
+
+trap cleanup EXIT SIGINT
+
+ETCD_HOST=127.0.0.1
+ETCD_PORT=4001
+API_PORT=${API_PORT:-8080}
+API_HOST=${API_HOST:-127.0.0.1}
+KUBELET_PORT=${KUBELET_PORT:-10250}
+GO_OUT=$(dirname $0)/../output/go/bin
+
+if [ "$(which etcd)" == "" ]; then
+  echo "etcd must be in your PATH"
+  exit 1
+fi
+
+running_etcd=$(ps -ef | grep etcd | grep -c name)
+if [ "$running_etcd" != "0" ]; then
+  echo "etcd appears to already be running on this machine, please kill and restart the test."
+  exit 1
+fi
+
+# Stop on any failures
+set -e
+
+# Start etcd
+ETCD_DIR=$(mktemp -d -t test-cmd.XXXXXX)
+etcd -name test -data-dir ${ETCD_DIR} -bind-addr $ETCD_HOST:$ETCD_PORT >/dev/null 2>/dev/null &
+ETCD_PID=$!
+
+wait_for_url "http://localhost:4001/version" "etcd: "
+
+
+# Check kubecfg
+out=$(${GO_OUT}/kubecfg -V)
+echo kubecfg: $out
+
+# Start kubelet
+${GO_OUT}/kubelet \
+  --etcd_servers="http://127.0.0.1:${ETCD_PORT}" \
+  --hostname_override="127.0.0.1" \
+  --address="127.0.0.1" \
+  --port="$KUBELET_PORT" 1>&2 &
+KUBELET_PID=$!
+
+wait_for_url "http://127.0.0.1:${KUBELET_PORT}/healthz" "kubelet: "
+
+# Start apiserver
+${GO_OUT}/apiserver \
+  --address="127.0.0.1" \
+  --port="${API_PORT}" \
+  --etcd_servers="http://127.0.0.1:${ETCD_PORT}" \
+  --machines="127.0.0.1" \
+  --minion_port=${KUBELET_PORT} 1>&2 &
+APISERVER_PID=$!
+
+wait_for_url "http://127.0.0.1:${API_PORT}/healthz" "apiserver: "
+
+KUBE_CMD="${GO_OUT}/kubecfg -h http://127.0.0.1:${API_PORT}"
+
+${KUBE_CMD} list pods
+echo "kubecfg(pods): ok"
+
+${KUBE_CMD} list services
+${KUBE_CMD} -c examples/guestbook/frontend-service.json create services
+${KUBE_CMD} delete services/frontend
+echo "kubecfg(services): ok"
+
+${KUBE_CMD} list minions
+${KUBE_CMD} get minions/127.0.0.1
+echo "kubecfg(minions): ok"
+
+# Start controller manager
+#${GO_OUT}/controller-manager \
+#  --etcd_servers="http://127.0.0.1:${ETCD_PORT}" \
+#  --master="127.0.0.1:${API_PORT}" 1>&2 &
+#CTLRMGR_PID=$!
+
+# Start proxy
+#PROXY_LOG=/tmp/kube-proxy.log
+#${GO_OUT}/proxy \
+#  --etcd_servers="http://127.0.0.1:${ETCD_PORT}" 1>&2 &
+#PROXY_PID=$!