rocksdb/build_tools/cont_integration.sh
2016-06-23 19:38:29 -07:00

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#!/bin/bash
#
# Copyright (c) 2016, Facebook. All rights reserved.
#
# Overall wrapper script for RocksDB continuous builds. The implementation is a
# trivial pulling scheme. We loop infinitely, check if any new changes have been
# committed, if yes then trigger a Sandcastle run, and finally go to sleep again
# for a certain interval.
#
SRC_GIT_REPO=/data/git/rocksdb
error=0
function log {
DATE=`date +%Y-%m-%d:%H:%M:%S`
echo $DATE $@
}
function log_err {
log "ERROR: $@ Error code: $error."
}
function update_repo_status {
# Update the parent first.
pushd $SRC_GIT_REPO
# This is a fatal error. Something in the environment isn't right and we will
# terminate the execution.
error=$?
if [ ! $error -eq 0 ]; then
log_err "Where is $SRC_GIT_REPO?"
exit $error
fi
HTTPS_PROXY=fwdproxy:8080 git fetch -f
error=$?
if [ ! $error -eq 0 ]; then
log_err "git fetch -f failed."
popd
return $error
fi
git update-ref refs/heads/master refs/remotes/origin/master
error=$?
if [ ! $error -eq 0 ]; then
log_err "git update-ref failed."
popd
return $error
fi
popd
# We're back in an instance-specific directory. Get the latest changes.
git pull --rebase
error=$?
if [ ! $error -eq 0 ]; then
log_err "git pull --rebase failed."
return $error
fi
}
#
# Execution starts here.
#
# Path to the determinator from the root of the RocksDB repo.
CONTRUN_DETERMINATOR=./arcanist_util/config/RocksDBCommonHelper.php
# Value of the previous commit.
PREV_COMMIT=
log "Starting to monitor for new RocksDB changes ..."
log "Running under `pwd` as `whoami`."
# Paranoia. Make sure that we're using the right branch.
git checkout master
error=$?
if [ ! $error -eq 0 ]; then
log_err "This is not good. Can't checkout master. Bye-bye!"
exit 1
fi
# We'll run forever and let the execution environment terminate us if we'll
# exceed whatever timeout is set for the job.
while true;
do
# Get the latest changes committed.
update_repo_status
error=$?
if [ $error -eq 0 ]; then
LAST_COMMIT=`git log -1 | head -1 | grep commit | awk '{ print $2; }'`
log "Last commit is '$LAST_COMMIT', previous commit is '$PREV_COMMIT'."
if [ "$PREV_COMMIT" == "$LAST_COMMIT" ]; then
log "There were no changes since the last time I checked. Going to sleep."
else
if [ ! -z "$LAST_COMMIT" ]; then
log "New code has been committed or previous commit not known. " \
"Will trigger the tests."
PREV_COMMIT=$LAST_COMMIT
log "Updated previous commit to '$PREV_COMMIT'."
#
# This is where we'll trigger the Sandcastle run. The values for
# HTTPS_APP_VALUE and HTTPS_APP_VALUE will be set in the container we're
# running in.
#
POST_RECEIVE_HOOK=1 php $CONTRUN_DETERMINATOR
error=$?
if [ $error -eq 0 ]; then
log "Sandcastle run successfully triggered."
else
log_err "Failed to trigger Sandcastle run."
fi
else
log_err "Previous commit not updated. Don't know what the last one is."
fi
fi
else
log_err "Getting latest changes failed. Will skip running tests for now."
fi
# Always sleep, even if errors happens while trying to determine the latest
# commit. This will prevent us terminating in case of transient errors.
log "Will go to sleep for 5 minutes."
sleep 5m
done