Add charmcraft.yaml for publishing to Charmhub

See https://juju.is/docs/sdk/charmcraft-config

Change-Id: Icce0e6325e61089f2b8c3bca74f442a460282379

build-requirements.txt

@@ -1,5 +1,7 @@
-# NOTE(lourot): versions newer than 1.0.0 fail as described in
-# https://github.com/canonical/charmcraft/pull/487#issuecomment-894529408
-git+https://github.com/canonical/charmcraft.git@1.0.0#egg=charmcraft
+# NOTES(lourot):
+# * We don't install charmcraft via pip anymore because it anyway spins up a
+#   container and scp the system's charmcraft snap inside it. So the charmcraft
+#   snap is necessary on the system anyway.
+# * `tox -e build` successfully validated with charmcraft 1.2.1
 
 cffi==1.14.6; python_version < '3.6'  # cffi 1.15.0 drops support for py35.

charmcraft.yaml

@@ -0,0 +1,12 @@
+type: charm
+
+parts:
+  charm:
+    build-packages:
+      - git
+
+bases:
+  - name: ubuntu
+    channel: "20.04"
+    architectures:
+      - amd64

requirements.txt

@@ -1,5 +1,8 @@
 ops
-git+https://opendev.org/openstack/charm-ops-openstack#egg=ops_openstack
+
+# NOTE(lourot): spurious TLS verification issues from opendev.org, switching to
+# github.com for now:
+git+https://github.com/openstack/charm-ops-openstack#egg=ops_openstack
 
 ruamel.yaml
 pylspci

tests/README.md

@@ -5,6 +5,15 @@ deployment functionality from the perspective of this charm, its requirements
 and its features, as exercised in a subset of the full OpenStack deployment
 test bundle topology.
 
+Run the smoke tests with:
+
+```bash
+cd ../
+tox -e build
+cd tests/
+tox -e func-smoke
+```
+
 For full details on functional testing of OpenStack charms please refer to
 the [functional testing](https://docs.openstack.org/charm-guide/latest/reference/testing.html#functional-testing)
 section of the OpenStack Charm Guide.

tox.ini

@@ -27,10 +27,11 @@ setenv = VIRTUAL_ENV={envdir}
 install_command =
   pip install {opts} {packages}
 commands = stestr run --slowest {posargs}
-whitelist_externals =
+allowlist_externals =
     git
     add-to-archive.py
     bash
+    charmcraft
 passenv = HOME TERM CS_* OS_* TEST_*
 deps = -r{toxinidir}/test-requirements.txt
 
@@ -105,8 +106,15 @@ commands = {posargs}
 [testenv:build]
 basepython = python3
 deps = -r{toxinidir}/build-requirements.txt
+# NOTE(lourot): charmcraft 1.0.0 used to generate
+# nova-compute-nvidia-vgpu.charm, which is the behaviour expected by OSCI.
+# However charmcraft 1.2.1 now generates
+# nova-compute-nvidia-vgpu_ubuntu-20.04-amd64.charm instead. In order to keep
+# the old behaviour we rename the file at the end.
 commands =
+    charmcraft clean
     charmcraft build
+    bash -c "mv nova-compute-nvidia-vgpu_*.charm nova-compute-nvidia-vgpu.charm"
 
 [testenv:func-noop]
 basepython = python3