add script to create interop worker

tools/gce/create_interop_worker.sh

+#!/bin/bash
+# Copyright 2015-2016, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# Creates an interop worker on GCE.
+
+set -ex
+
+cd $(dirname $0)
+
+CLOUD_PROJECT=grpc-testing
+ZONE=us-east1-a  # canary gateway is reachable from this zone
+
+INSTANCE_NAME="${1:-grpc-canary-interop2}"
+
+gcloud compute instances create $INSTANCE_NAME \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    --machine-type n1-standard-16 \
+    --image ubuntu-15-10 \
+    --boot-disk-size 1000 \
+    --scopes https://www.googleapis.com/auth/xapi.zoo
+
+echo 'Created GCE instance, waiting 60 seconds for it to come online.'
+sleep 60
+
+gcloud compute copy-files \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    jenkins_master.pub linux_worker_init.sh ${INSTANCE_NAME}:~
+
+gcloud compute ssh \
+    --project="$CLOUD_PROJECT" \
+    --zone "$ZONE" \
+    $INSTANCE_NAME --command "./linux_worker_init.sh"