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#!/usr/bin/env bash
set -x
BOT_ROOT=/b
BOT_ROOT_NAME=$1
BOT_PASS=$2
pushd /tmp
curl -sSO https://dl.google.com/cloudagents/install-monitoring-agent.sh
bash install-monitoring-agent.sh
curl -sSO https://dl.google.com/cloudagents/install-logging-agent.sh
bash install-logging-agent.sh --structured
popd
apt-get update -y
apt-get upgrade -y
apt-get install sudo -y
# FIXME(EricWF): Remove this hack. It's only in place to temporarily fix linking libclang_rt from the
# debian packages.
# WARNING: If you're not a buildbot, DO NOT RUN!
apt-get install lld-9
rm /usr/bin/ld
ln -s /usr/bin/lld-9 /usr/bin/ld
systemctl set-property buildslave.service TasksMax=100000
systemctl daemon-reload
service buildslave restart
function setup_numbered_bot {
local BOT_NAME=$1
local BOT_DIR=$2
mkdir -p $BOT_DIR
buildslave stop $BOT_DIR
chown buildbot:buildbot $BOT_DIR
rm -rf $BOT_DIR/*
buildslave create-slave --allow-shutdown=signal $BOT_DIR lab.llvm.org:9990 \
$BOT_NAME $BOT_PASS
echo "Eric Fiselier <ericwf@google.com>" > $BOT_DIR/info/admin
echo "Connecting as $BOT_BASE_NAME$1"
{
uname -a | head -n1
cmake --version | head -n1
g++ --version | head -n1
ld --version | head -n1
date
lscpu
} > $BOT_DIR/info/host
# echo "SLAVE_RUNNER=/usr/bin/buildslave
# SLAVE_ENABLED[1]=\"1\"
# SLAVE_NAME[1]=\"buildslave$1\"
# SLAVE_USER[1]=\"buildbot\"
# SLAVE_BASEDIR[1]=\"$BOT_DIR\"
# SLAVE_OPTIONS[1]=\"\"
# SLAVE_PREFIXCMD[1]=\"\"" > $BOT_DIR/buildslave.cfg
}
function try_start_builder {
local $N=$1
local BOT_DIR=$BOT_ROOT/b$N
local BOT_NAME=$BOT_ROOT_NAME$N
setup_numbered_bot $BOT_NAME $BOT_DIR
chown -R buildbot:buildbot $BOT_DIR/
sudo -u buildbot /usr/bin/buildslave start $BOT_DIR
sleep 30
cat $BOT_DIR/twistd.log
if grep --quiet "slave is ready" $BOT_DIR/twistd.log; then
return 0
fi
if grep --quiet "configuration update complete" $BOT_DIR/twistd.log; then
return 0
fi
if grep "rejecting duplicate slave" $BOT_DIR/twistd.log; then
return 1
fi
echo "Unknown error"
cat $BOT_DIR/twistd.log
exit 1
}
for N in `shuf -i 1-5`
do
if try_start_builder $N; then
break
fi
echo "failed to start any buildbot"
shutdown now
done
# GCE can restart instance after 24h in the middle of the build.
# Gracefully restart before that happen.
sleep 72000
while pkill -SIGHUP buildslave; do sleep 5; done;
shutdown now
echo "Failed to start any buildbot"
shutdown now
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