oeqa/utils/postactions: add target disk usage stat as post action

In order to debug issues related to disk space (see [1]),  add a failed
tests post action to retrieve disk usage on the target. Rely on the test
context object to run the corresponding command onto the target

[1] https://bugzilla.yoctoproject.org/show_bug.cgi?id=15220

(From OE-Core rev: 637e216b0e5191571270aa07e1f50a6e41a8c08f)

Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 16 insertions, 1 deletions

diff --git a/meta/lib/oeqa/utils/postactions.py b/meta/lib/oeqa/utils/postactions.py
index 7014b2830a..008968b56a 100644
--- a/meta/lib/oeqa/utils/postactions.py
+++ b/meta/lib/oeqa/utils/postactions.py
@@ -19,6 +19,20 @@ def create_artifacts_directory(d, tc):
     os.makedirs(local_artifacts_dir)
 
 ##################################################################
+# Host/target statistics
+##################################################################
+
+def get_target_disk_usage(d, tc):
+    output_file = os.path.join(get_json_result_dir(d), "artifacts", "target_disk_usage.txt")
+    try:
+        (status, output) = tc.target.run('df -hl')
+        with open(output_file, 'w') as f:
+            f.write(output)
+            f.write("\n")
+    except Exception as e:
+        bb.warn(f"Can not get target disk usage: {e}")
+
+##################################################################
 # Artifacts retrieval
 ##################################################################
 
@@ -65,7 +79,8 @@ def list_and_fetch_failed_tests_artifacts(d, tc):
 def run_failed_tests_post_actions(d, tc):
     post_actions=[
         create_artifacts_directory,
-        list_and_fetch_failed_tests_artifacts
+        list_and_fetch_failed_tests_artifacts,
+        get_target_disk_usage
     ]
 
     for action in post_actions: