Let Zaza download the Arista image

README.md

@@ -16,6 +16,12 @@ tox -e pep8
 tox -e py3
 tox -e build
 cd build/builds/neutron-api-plugin-arista
-export TEST_ARISTA_IMAGE=/tmp/arista-cvx-virt-test.qcow2
+
+# Set one of these env vars, depending on whether you want to
+# download the Arista image from a remote place or have it already
+# locally:
+export TEST_ARISTA_IMAGE_REMOTE=http://example.com/swift/v1/images/arista-cvx-virt-test.qcow2
+export TEST_ARISTA_IMAGE_LOCAL=/tmp/arista-cvx-virt-test.qcow2
+
 tox -e func
 ```

src/tests/bundles/overlays/bionic-queens.yaml.j2

@@ -1,4 +1,4 @@
 applications:
   arista-virt-test-fixture:
     resources:
-      arista-image: '{{ TEST_ARISTA_IMAGE }}'
+      arista-image: '{{ TEST_ARISTA_IMAGE_LOCAL }}'

src/tests/bundles/overlays/bionic-rocky.yaml.j2

@@ -1,4 +1,4 @@
 applications:
   arista-virt-test-fixture:
     resources:
-      arista-image: '{{ TEST_ARISTA_IMAGE }}'
+      arista-image: '{{ TEST_ARISTA_IMAGE_LOCAL }}'

src/tests/bundles/overlays/xenial-queens.yaml.j2

@@ -1,4 +1,4 @@
 applications:
   arista-virt-test-fixture:
     resources:
-      arista-image: '{{ TEST_ARISTA_IMAGE }}'
+      arista-image: '{{ TEST_ARISTA_IMAGE_LOCAL }}'

src/tests/tests.yaml

@@ -5,6 +5,8 @@ gate_bundles:
 - xenial-queens
 - bionic-queens
 - bionic-rocky
+before_deploy:
+- zaza.openstack.charm_tests.neutron_arista.setup.download_arista_image
 configure:
 - zaza.openstack.charm_tests.neutron_arista.setup.test_fixture
 tests: