Added config files to snap.

This is part of a transition to storing the config files in the snap,
rather than in snapstack.

Also updated .gitignore to ignore emacs temp files and snapcraft
cruft.

Change-Id: I30a5421faec0a976741f3dd0d5452f2437e19503

.gitignore

@@ -3,3 +3,12 @@ prime
 stage
 *.snap
 .tox
+
+# Snapcraft
+.snapcraft
+__pycache__
+.cache
+
+# emacs
+*~
+\#*

tests/etc/snap-keystone/keystone/keystone.conf.d/database.conf

@@ -0,0 +1,2 @@
+[database]
+connection = mysql+pymysql://keystone:keystone@localhost/keystone

tests/keystone.sh

@@ -4,8 +4,16 @@ set -ex
 
 source $BASE_DIR/admin-openrc
 
+sudo mysql -u root << EOF
+CREATE DATABASE IF NOT EXISTS keystone;
+GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' \
+  IDENTIFIED BY 'keystone';
+EOF
+
 while sudo [ ! -d /var/snap/keystone/common/etc/keystone/ ]; do sleep 0.1; done;
 sudo cp -r $BASE_DIR/etc/snap-keystone/* /var/snap/keystone/common/etc/
+# Uncomment when ready to move to using config files in snaps:
+# sudo cp -r $BASE_DIR/etc/* /var/snap/keystone/common/etc/
 
 # Manually define alias if snap isn't installed from snap store.
 # Otherwise, snap store defines this alias automatically.

tests/keystone_cleanup.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -x
+
+sudo mysql -u root << EOF
+DROP DATABASE keystone;
+EOF