Added snapstack tests.

We now test the cinder snap in the middle of a deployed openstack
environment.

Change-Id: I10ed4d67f96caef5623d9c411ef55946c0bfd216

.gitignore

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

tests/cinder.sh

@@ -0,0 +1,62 @@
+#!/bin/bash
+
+set -ex
+
+DEBIAN_FRONTEND='noninteractive' sudo -E apt install --yes tgt
+
+sudo mysql -u root << EOF
+CREATE DATABASE IF NOT EXISTS cinder;
+GRANT ALL PRIVILEGES ON cinder.* TO 'cinder'@'localhost' \
+  IDENTIFIED BY 'cinder';
+EOF
+
+source $BASE_DIR/admin-openrc
+
+while sudo [ ! -d /var/snap/cinder/common/etc/cinder/ ]; do sleep 0.1; done;
+sudo cp -r $BASE_DIR/etc/snap-cinder/cinder/* /var/snap/cinder/common/etc/
+sudo cp -r $BASE_DIR/etc/snap-cinder/tgt/* /etc/tgt/
+
+openstack user show cinder || {
+    openstack user create --domain default --password cinder cinder
+    openstack role add --project service --user cinder admin
+}
+
+openstack service show volumev2 || {
+    openstack service create --name cinderv2 \
+      --description "OpenStack Block Storage" volumev2
+
+    for endpoint in internal admin public; do
+        openstack endpoint create --region RegionOne \
+            volumev2 $endpoint http://localhost:8776/v2/%\(project_id\)s || :
+    done
+}
+
+openstack service show volumev3 || {
+    openstack service create --name cinderv3 \
+      --description "OpenStack Block Storage" volumev3
+
+    for endpoint in internal admin public; do
+        openstack endpoint create --region RegionOne \
+            volumev3 $endpoint http://localhost:8776/v3/%\(project_id\)s || :
+    done
+}
+
+# Manually define alias if snap isn't installed from snap store.
+# Otherwise, snap store defines this alias automatically.
+snap aliases cinder | grep cinder-manage || sudo snap alias cinder.manage cinder-manage
+
+sudo cinder-manage db sync
+
+# Create a file-based loopback device with the cinder volume group on it
+if [ ! -e /var/cinder/cinder-volumes-file ]; then
+    sudo mkdir -p /var/cinder
+    sudo truncate -s 4096M /var/cinder/cinder-volumes-file
+    loop_dev=$(sudo losetup -f --show /var/cinder/cinder-volumes-file)
+    sudo vgcreate cinder-volumes $loop_dev
+    sudo vgs cinder-volumes
+fi
+
+sudo systemctl restart tgt
+sudo systemctl restart snap.cinder.*
+
+while ! nc -z localhost 8776; do sleep 0.1; done;

tests/cinder_cleanup.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -x
+
+sudo mysql -u root << EOF
+DROP DATABASE cinder;
+EOF
+
+# Clean up the cinder volume group and file-based loopback device
+sudo lvremove -f cinder-volumes
+sudo vgremove -f cinder-volumes
+loop_dev=$(sudo losetup -j /var/cinder/cinder-volumes-file | awk -F':' '/'cinder-volumes-file'/ { print $1}')
+[ -n $loop_dev ] || sudo losetup -d $loop_dev
+[ -e /var/cinder/cinder-volumes-file ] && sudo rm /var/cinder/cinder-volumes-file

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

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

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

@@ -0,0 +1,13 @@
+[DEFAULT]
+auth_strategy = keystone
+
+[keystone_authtoken]
+auth_uri = http://localhost:5000
+auth_url = http://localhost:35357
+memcached_servers = localhost:11211
+auth_type = password
+project_domain_name = default
+user_domain_name = default
+project_name = service
+username = cinder
+password = cinder

tests/etc/snap-cinder/cinder/cinder/cinder.conf.d/lvm.conf

@@ -0,0 +1,11 @@
+[DEFAULT]
+enabled_backends = lvm
+
+[lvm]
+volume_group = cinder-volumes
+volume_driver = cinder.volume.drivers.lvm.LVMVolumeDriver
+volume_name_template = volume-%s
+volume_backend_name = lvm
+volumes_dir = /var/snap/cinder/common/lib/volumes
+iscsi_protocol = iscsi
+iscsi_helper = tgtadm

tests/etc/snap-cinder/cinder/cinder/cinder.conf.d/rabbitmq.conf

@@ -0,0 +1,2 @@
+[DEFAULT]
+transport_url = rabbit://openstack:rabbitmq@localhost

tests/etc/snap-cinder/tgt/conf.d/cinder_tgt.conf

@@ -0,0 +1 @@
+include /var/snap/cinder/common/lib/volumes/*

tests/snapstack_test.py

@@ -0,0 +1,28 @@
+import unittest
+
+from snapstack import Plan, Setup, Step
+
+class SnapstackTest(unittest.TestCase):
+
+    def test_snapstack(self):
+        '''
+        _test_snapstack_
+
+        Run a basic smoke test, utilizing our snapstack testing harness.
+
+        '''
+        cinder = Step(
+            snap='cinder',
+            script_loc='./tests/',
+            scripts=['cinder.sh'],
+            files=[
+                'etc/snap-cinder/cinder/cinder/cinder.conf.d/database.conf',
+                'etc/snap-cinder/cinder/cinder/cinder.conf.d/keystone.conf',
+                'etc/snap-cinder/cinder/cinder/cinder.conf.d/lvm.conf',
+                'etc/snap-cinder/cinder/cinder/cinder.conf.d/rabbitmq.conf',
+                'etc/snap-cinder/tgt/conf.d/cinder_tgt.conf'
+            ],
+            snap_store=False)
+
+        plan = Plan(tests=[cinder])
+        plan.run()

tox.ini

@@ -5,14 +5,19 @@ skipsdist = True
 [testenv]
 basepython = python3.5
 install_command = pip install {opts} {packages}
-passenv = HOME TERM
+passenv =
+    HOME
+    TERM
+    SNAPSTACK_HTTP_PROXY
+    SNAPSTACK_HTTPS_PROXY
 whitelist_externals =
     sudo
     snapcraft
 
 [testenv:snap]
-deps = -r{toxinidir}/requirements.txt
+deps =
+    -r{toxinidir}/requirements.txt
+    git+https://github.com/openstack-snaps/snapstack
+    pytest
 commands =
-    sudo snap install core
-    snapcraft clean
-    snapcraft snap
+    py.test -s tests/