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fix: resolve datastore URL encoding errors and improve snapshot removal reliability with fresh object lookups

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Rizqi 2026-06-22 01:41:18 +07:00
parent 2b5514f4c2
commit 9621175a76
1 changed files with 24 additions and 9 deletions
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33
backup_core.py
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@ -139,14 +139,17 @@ def find_datacenter_for_datastore(content, datastore_name):
def download_datastore_file(host, dc_name, datastore_name, ds_path, local_path,
session_cookie, verify_ssl=True, progress_cb=None):
"""Download a file from a vSphere datastore. progress_cb(bytes_done, bytes_total) is optional."""
encoded_path = urllib.parse.quote(ds_path, safe='')
# Keep slashes unencoded (safe='/') — vCenter's /folder/ API requires them in the URL path.
encoded_path = urllib.parse.quote(ds_path, safe='/')
url = (f"https://{host}/folder/{encoded_path}"
f"?dcPath={urllib.parse.quote(dc_name)}&dsName={urllib.parse.quote(datastore_name)}")
headers = {"Cookie": f"vmware_soap_session={session_cookie}"}
print(f"Downloading {ds_path} from datastore {datastore_name} to {local_path}")
print(f" URL: {url}")
with requests.get(url, headers=headers, stream=True, verify=verify_ssl, proxies={"http": None, "https": None}) as r:
r.raise_for_status()
total_bytes = int(r.headers.get('Content-Length', 0))
print(f" HTTP {r.status_code}, Content-Length: {total_bytes} bytes")
done_bytes = 0
os.makedirs(os.path.dirname(local_path), exist_ok=True)
with open(local_path, 'wb') as f:
@ -406,16 +409,28 @@ def _run_backup_impl(host, user, password, vm_name, dest, compress, no_verify_ss
print('Backup completed successfully')
finally:
if created_snapshot:
snap_root = getattr(vm, 'snapshot', None)
if snap_root and snap_root.rootSnapshotList:
snap_obj = find_snapshot_by_name(snap_root.rootSnapshotList, snap_name)
if snap_obj:
try:
try:
# Re-fetch vm snapshot state to avoid stale object references
content.rootFolder # touch to keep session alive
vm_fresh = None
obj_view2 = content.viewManager.CreateContainerView(content.rootFolder, [vim.VirtualMachine], True)
for v in obj_view2.view:
if v.name == vm_name:
vm_fresh = v
break
obj_view2.Destroy()
target_vm = vm_fresh or vm
snap_root = getattr(target_vm, 'snapshot', None)
if snap_root and snap_root.rootSnapshotList:
snap_obj = find_snapshot_by_name(snap_root.rootSnapshotList, snap_name)
if snap_obj:
remove_snapshot(snap_obj)
except Exception as e:
print(f'Failed to remove snapshot: {e}', file=sys.stderr)
else:
print('Snapshot already removed or not found in tree')
else:
print('Snapshot object not found in tree; may have been removed already')
print('No snapshots found on VM — may have already been removed')
except Exception as e:
print(f'Failed to remove snapshot: {e}', file=sys.stderr)
_prog('done', 100, 'Backup finished successfully')
finally:
if si: