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authorNicholas Piggin <npiggin@gmail.com>2025-03-12 23:00:01 +1000
committerThomas Huth <thuth@redhat.com>2025-03-12 18:20:50 +0100
commit7524e1b33679dc1356e8bb4efdd18e83fc50f5cc (patch)
tree83ca60dae44fa1c87e25a1275764a852828b0fae /tests/functional/qemu_test
parenta5e8299d1a119b9d757ae28a57612f633894d2f6 (diff)
downloadfocaccia-qemu-7524e1b33679dc1356e8bb4efdd18e83fc50f5cc.tar.gz
focaccia-qemu-7524e1b33679dc1356e8bb4efdd18e83fc50f5cc.zip
tests/functional/asset: Verify downloaded size
If the server provides a Content-Length header, use that to verify the
size of the downloaded file. This catches cases where the connection
terminates early, and gives the opportunity to retry. Without this, the
checksum will likely mismatch and fail without retry.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-ID: <20250312130002.945508-3-npiggin@gmail.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'tests/functional/qemu_test')
-rw-r--r--tests/functional/qemu_test/asset.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/tests/functional/qemu_test/asset.py b/tests/functional/qemu_test/asset.py
index 27dd839e70..6bbfb9e1ca 100644
--- a/tests/functional/qemu_test/asset.py
+++ b/tests/functional/qemu_test/asset.py
@@ -121,6 +121,20 @@ class Asset:
                 with tmp_cache_file.open("xb") as dst:
                     with urllib.request.urlopen(self.url) as resp:
                         copyfileobj(resp, dst)
+                        length_hdr = resp.getheader("Content-Length")
+
+                # Verify downloaded file size against length metadata, if
+                # available.
+                if length_hdr is not None:
+                    length = int(length_hdr)
+                    fsize = tmp_cache_file.stat().st_size
+                    if fsize != length:
+                        self.log.error("Unable to download %s: "
+                                       "connection closed before "
+                                       "transfer complete (%d/%d)",
+                                       self.url, fsize, length)
+                        tmp_cache_file.unlink()
+                        continue
                 break
             except FileExistsError:
                 self.log.debug("%s already exists, "