keystone/tools/test-setup.sh
Colleen Murphy 45e8b6e0ec Increase MySQL max_connections for unit tests
We've seen that sometimes our unit tests create a lot of mysql
connections simultaneously[1][2] and cause the tests to fail. Increase
the max_connections limit from 151 to 1024, which is what devstack
uses[3].

[1] http://logs.openstack.org/43/536543/9/check/openstack-tox-py35/0729ea7/job-output.txt.gz#_2018-01-30_19_36_38_136523
[2] http://logs.openstack.org/23/524423/44/gate/openstack-tox-py35/0f8083f/job-output.txt.gz#_2018-01-28_21_11_52_855308
[3] http://git.openstack.org/cgit/openstack-dev/devstack/tree/lib/databases/mysql?id=640150683d137a9a10dfe833e7a34b7ea6cdfb1a#n99

Change-Id: Ic9f9ca696af1876eb5a728356a98d70352ef9bc3
Related-bug: #1746016
2018-01-30 23:49:04 +01:00

62 lines
2.1 KiB
Bash
Executable File

#!/bin/bash -xe
# This script will be run by OpenStack CI before unit tests are run,
# it sets up the test system as needed.
# Developers should setup their test systems in a similar way.
# This setup needs to be run as a user that can run sudo.
# The root password for the MySQL database; pass it in via
# MYSQL_ROOT_PW.
DB_ROOT_PW=${MYSQL_ROOT_PW:-insecure_slave}
# This user and its password are used by the tests, if you change it,
# your tests might fail.
DB_USER=openstack_citest
DB_PW=openstack_citest
sudo -H mysqladmin -u root password $DB_ROOT_PW
# It's best practice to remove anonymous users from the database. If
# a anonymous user exists, then it matches first for connections and
# other connections from that host will not work.
sudo -H mysql -u root -p$DB_ROOT_PW -h localhost -e "
DELETE FROM mysql.user WHERE User='';
FLUSH PRIVILEGES;
GRANT ALL PRIVILEGES ON *.*
TO '$DB_USER'@'%' identified by '$DB_PW' WITH GRANT OPTION;"
# Bump the max_connections limit
sudo -H mysql -u root -p$DB_ROOT_PW -h localhost -e "
SET GLOBAL max_connections = 1024;"
# Now create our database.
mysql -u $DB_USER -p$DB_PW -h 127.0.0.1 -e "
SET default_storage_engine=MYISAM;
DROP DATABASE IF EXISTS openstack_citest;
CREATE DATABASE openstack_citest CHARACTER SET utf8;"
# Same for PostgreSQL
# The root password for the PostgreSQL database; pass it in via
# POSTGRES_ROOT_PW.
DB_ROOT_PW=${POSTGRES_ROOT_PW:-insecure_slave}
# Setup user
root_roles=$(sudo -H -u postgres psql -t -c "
SELECT 'HERE' from pg_roles where rolname='$DB_USER'")
if [[ ${root_roles} == *HERE ]];then
sudo -H -u postgres psql -c "ALTER ROLE $DB_USER WITH SUPERUSER LOGIN PASSWORD '$DB_PW'"
else
sudo -H -u postgres psql -c "CREATE ROLE $DB_USER WITH SUPERUSER LOGIN PASSWORD '$DB_PW'"
fi
# Store password for tests
cat << EOF > $HOME/.pgpass
*:*:*:$DB_USER:$DB_PW
EOF
chmod 0600 $HOME/.pgpass
# Now create our database
psql -h 127.0.0.1 -U $DB_USER -d template1 -c "DROP DATABASE IF EXISTS openstack_citest"
createdb -h 127.0.0.1 -U $DB_USER -l C -T template0 -E utf8 openstack_citest