Merge pull request #6049 from jtattermusch/perf_worker_creation

Fixes for tools/gce/create_linux_performance_worker.sh

tools/gce/create_linux_performance_worker.sh

@@ -29,6 +29,10 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 # Creates a performance worker on GCE.
+# IMPORTANT: After creating the worker, one needs to manually add the pubkey
+# of jenkins@the-machine-where-jenkins-starts-perf-tests
+# to ~/.ssh/authorized_keys so that multi-machine scenarios can work.
+# See tools/run_tests/run_performance_tests.py for details.
 
 set -ex
 
@@ -37,7 +41,7 @@ cd $(dirname $0)
 CLOUD_PROJECT=grpc-testing
 ZONE=us-central1-b  # this zone allows 32core machines
 
-INSTANCE_NAME="${1:-grpc-performance-driver}"
+INSTANCE_NAME="${1:-grpc-performance-server1}"
 MACHINE_TYPE=n1-standard-32
 
 gcloud compute instances create $INSTANCE_NAME \
@@ -53,9 +57,9 @@ sleep 60
 gcloud compute copy-files \
     --project="$CLOUD_PROJECT" \
     --zone "$ZONE" \
-    jenkins_master.pub linux_performance_worker_init.sh ${INSTANCE_NAME}:~
+    jenkins_master.pub linux_performance_worker_init.sh jenkins@${INSTANCE_NAME}:~
 
 gcloud compute ssh \
     --project="$CLOUD_PROJECT" \
     --zone "$ZONE" \
-    $INSTANCE_NAME --command "./linux_performance_worker_init.sh"
+    jenkins@${INSTANCE_NAME} --command "./linux_performance_worker_init.sh"

tools/gce/linux_performance_worker_init.sh

@@ -40,9 +40,6 @@ sudo apt-get update
 sudo apt-get install -y openjdk-8-jdk
 sudo apt-get install -y unzip lsof
 
-# Setup jenkins user (or the user will already exist bcuz magic)
-sudo adduser jenkins --disabled-password || true
-
 # Add pubkey of jenkins@grpc-jenkins-master to authorized keys of jenkins@
 # This needs to happen as the last step to prevent Jenkins master from connecting
 # to a machine that hasn't been properly setup yet.
@@ -89,8 +86,7 @@ curl -O https://bootstrap.pypa.io/get-pip.py
 sudo pypy get-pip.py
 sudo pypy -m pip install tabulate
 
-# Node dependences.
-# TODO(jtattermusch) nvm has to be installed under user jenkins
+# Node dependencies (nvm has to be installed under user jenkins)
 touch .profile
 curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.25.4/install.sh | bash
 nvm install 0.12 && npm config set cache /tmp/npm-cache