add iscsi-connector files and setup

zaza/openstack/charm_tests/iscsi-connector/__init__.py

@@ -0,0 +1,15 @@
+# Copyright 2020 Canonical Ltd.
+#
+# 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.
+
+"""Collection of code for setting up and testing iscsi-connector charm."""

zaza/openstack/charm_tests/iscsi-connector/setup.py

@@ -0,0 +1,56 @@
+# Copyright 2020 Canonical Ltd.
+#
+# 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.
+
+"""Code for setting up iscsi-connector tests."""
+
+# """ 
+# steps for testing without password:
+# - deploy ubuntu for storage
+# - deploy ubuntu for initiator
+# configure that unit:
+# - install tgt -y
+# - configure iscsi target
+#     - need to know the initiator ip 
+# - restart tgt
+# - configure ubuntu initiator with init dict, target, port
+# """
+
+import zaza.model
+import zaza.openstack.utilities.openstack as openstack_utils
+
+
+def basic_target_setup():
+    """Run basic setup for iscsi guest."""
+    unit = zaza.model.get_units('ubuntu-target')[0]
+    setup_cmds = [
+        "apt install --yes tgt",
+        "systemctl start tgt",]
+    for cmd in setup_cmds:
+        zaza.model.run_on_unit(
+            unit.entity_id,
+            cmd)
+
+def configure_iscsi_target():
+    lun = 'iqn.2020-07.canonical.com:lun1'
+    backing_store = 'dev/vdb'
+    initiator_address = zaza.model.get_app_ips('ubuntu')[0]
+    write_file = (
+        """echo -e '<target {}>\n\tbacking-store {}\n\tinitiator-address {}\n</target>' | """
+        """sudo tee /etc/tgt/conf.d/iscsi.conf""".format(lun, backing_store,initiator_address)
+    )
+    zaza.model.run_on_unit('ubuntu-target/0', write_file)
+    # Restart tgt to load new config
+    restart_tgt = "systemctl restart tgt"
+    zaza.model.run_on_unit('ubuntu-target/0', restart_tgt)
+

zaza/openstack/charm_tests/iscsi-connector/tests.py

@@ -0,0 +1,15 @@
+# Copyright 2020 Canonical Ltd.
+#
+# 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.
+
+"""Encapsulate iscsi-connector testing."""