Merge ~adam-collard/maas-ci/+git/system-tests:sleep-before-image-import-loop into ~maas-committers/maas-ci/+git/system-tests:master

[Adam Collard]

[import_images] Sleep for 5 minutes per architecture

By sleeping in advance of checking every 10s, we give MAAS a chance to
import the images, and not waste time checking if they're imported.

If speed of import changes, this can be tweaked.

[Diego Mascialino (dmascialino)]

review: Approve

diff --git a/systemtests/state.py b/systemtests/state.py
index 353b8bb..3e73ac2 100644
--- a/systemtests/state.py
+++ b/systemtests/state.py
@@ -18,8 +18,7 @@ def authenticated_admin(maas_region, maas_api_client):
 
 
 @pytest.fixture(scope="session")
-def import_images_and_wait_until_synced(authenticated_admin, configured_maas, config):
-
+def import_images_and_wait_until_synced(authenticated_admin, configured_maas, config, testlog):
     architectures = set()
     for machine, power_config in config["machines"]["hardware"].items():
         architectures.add(power_config.get("architecture", "amd64"))
@@ -27,7 +26,11 @@ def import_images_and_wait_until_synced(authenticated_admin, configured_maas, co
     authenticated_admin.update_architectures_in_boot_source_selections(architectures)
     # This waits for an event to be created for the import
     authenticated_admin.import_boot_resources()
-
+    # It takes a long time for images to be downloaded, give 5 minutes
+    # per architecture
+    sleep_time = 60 * 5 * len(architectures)
+    testlog.info(f"Sleeping for {sleep_time}s for image import")
+    time.sleep(sleep_time)
     while authenticated_admin.is_importing_boot_resources():
         time.sleep(10)