Initial database support

This adds a database connection for testing, which will be required in
4.0+.

Change-Id: I3c9ba6aac023a0018d857bd3d34f54cdc26e4b79
Signed-off-by: Paul Belanger <pabelanger@redhat.com>

.zuul.yaml

@@ -18,6 +18,7 @@
     nodeset: ubuntu-bionic
     vars:
       zuul_pip_version: 3.19.1
+      zuul_pip_name: zuul[mysql_reporter]
 
 # Testing for zuul_install_method: git
 - job:

bindep.txt

@@ -5,6 +5,8 @@ git
 libffi-dev [platform:dpkg]
 libffi-devel [platform:rpm]
 libssl-dev [platform:dpkg]
+mysql-client [test !platform:rpm]
+mysql-server [test]
 openssl-devel [platform:rpm]
 python3-dnf [platform:fedora]
 python3-libselinux [platform:rpm]

templates/etc/zuul/zuul.conf

@@ -42,3 +42,7 @@ zuul_url = 127.0.0.1
 [web]
 log_config = /etc/zuul/web-logging.conf
 listen_address = 127.0.0.1
+
+[connection database]
+driver = sql
+dburi = mysql+pymysql://zuul:secret@127.0.0.1/zuul

tools/test-setup.sh

@@ -0,0 +1,44 @@
+#!/bin/bash -ex
+# Copyright 2018 Red Hat, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+# implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Be sure mysql is started.
+sudo service mysql start
+
+# The root password for the MySQL database; pass it in via
+# MYSQL_ROOT_PW.
+DB_ROOT_PW=${MYSQL_ROOT_PW:-insecure_worker}
+
+# This user and its password are used by the tests, if you change it,
+# your tests might fail.
+DB_USER=zuul
+DB_PW=secret
+
+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;
+    CREATE USER '$DB_USER'@'%' IDENTIFIED BY '$DB_PW';
+    GRANT ALL PRIVILEGES ON *.* TO '$DB_USER'@'%' WITH GRANT OPTION;"
+
+# 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 zuul;
+    CREATE DATABASE zuul CHARACTER SET utf8;"