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MyFSIO v0.1.8 Release #9

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kqjy merged 13 commits from next into main 2025-12-23 06:01:32 +00:00
Conversation 0 Commits 13 Files Changed 14 +34 -53
3 changed files with 34 additions and 53 deletions
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63
app/replication.py
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@@ -22,8 +22,8 @@ from .storage import ObjectStorage, StorageError
logger = logging.getLogger(__name__)
REPLICATION_USER_AGENT = "S3ReplicationAgent/1.0"
REPLICATION_CONNECT_TIMEOUT = 5 # seconds to wait for connection
REPLICATION_READ_TIMEOUT = 30 # seconds to wait for response
REPLICATION_CONNECT_TIMEOUT = 5
REPLICATION_READ_TIMEOUT = 30
REPLICATION_MODE_NEW_ONLY = "new_only"
REPLICATION_MODE_ALL = "all"
@@ -32,10 +32,10 @@ REPLICATION_MODE_ALL = "all"
@dataclass
class ReplicationStats:
"""Statistics for replication operations - computed dynamically."""
objects_synced: int = 0 # Objects that exist in both source and destination
objects_pending: int = 0 # Objects in source but not in destination
objects_orphaned: int = 0 # Objects in destination but not in source (will be deleted)
bytes_synced: int = 0 # Total bytes synced to destination
objects_synced: int = 0
objects_pending: int = 0
objects_orphaned: int = 0
bytes_synced: int = 0
last_sync_at: Optional[float] = None
last_sync_key: Optional[str] = None
@@ -85,7 +85,6 @@ class ReplicationRule:
@classmethod
def from_dict(cls, data: dict) -> "ReplicationRule":
stats_data = data.pop("stats", {})
# Handle old rules without mode/created_at
if "mode" not in data:
data["mode"] = REPLICATION_MODE_NEW_ONLY
if "created_at" not in data:
@@ -134,7 +133,7 @@ class ReplicationManager:
user_agent_extra=REPLICATION_USER_AGENT,
connect_timeout=REPLICATION_CONNECT_TIMEOUT,
read_timeout=REPLICATION_READ_TIMEOUT,
retries={'max_attempts': 1} # Don't retry for health checks
retries={'max_attempts': 1}
)
s3 = boto3.client(
"s3",
@@ -144,7 +143,6 @@ class ReplicationManager:
region_name=connection.region,
config=config,
)
# Simple list_buckets call to verify connectivity
s3.list_buckets()
return True
except Exception as e:
@@ -181,14 +179,12 @@ class ReplicationManager:
connection = self.connections.get(rule.target_connection_id)
if not connection:
return rule.stats # Return cached stats if connection unavailable
return rule.stats
try:
# Get source objects
source_objects = self.storage.list_objects_all(bucket_name)
source_keys = {obj.key: obj.size for obj in source_objects}
# Get destination objects
s3 = boto3.client(
"s3",
endpoint_url=connection.endpoint_url,
@@ -208,24 +204,18 @@ class ReplicationManager:
bytes_synced += obj.get('Size', 0)
except ClientError as e:
if e.response['Error']['Code'] == 'NoSuchBucket':
# Destination bucket doesn't exist yet
dest_keys = set()
else:
raise
# Compute stats
synced = source_keys.keys() & dest_keys # Objects in both
orphaned = dest_keys - source_keys.keys() # In dest but not source
synced = source_keys.keys() & dest_keys
orphaned = dest_keys - source_keys.keys()
# For "new_only" mode, we can't determine pending since we don't know
# which objects existed before replication was enabled. Only "all" mode
# should show pending (objects that should be replicated but aren't yet).
if rule.mode == REPLICATION_MODE_ALL:
pending = source_keys.keys() - dest_keys # In source but not dest
pending = source_keys.keys() - dest_keys
else:
pending = set() # New-only mode: don't show pre-existing as pending
pending = set()
# Update cached stats with computed values
rule.stats.objects_synced = len(synced)
rule.stats.objects_pending = len(pending)
rule.stats.objects_orphaned = len(orphaned)
@@ -235,7 +225,7 @@ class ReplicationManager:
except (ClientError, StorageError) as e:
logger.error(f"Failed to compute sync status for {bucket_name}: {e}")
return rule.stats # Return cached stats on error
return rule.stats
def replicate_existing_objects(self, bucket_name: str) -> None:
"""Trigger replication for all existing objects in a bucket."""
@@ -248,7 +238,6 @@ class ReplicationManager:
logger.warning(f"Cannot replicate existing objects: Connection {rule.target_connection_id} not found")
return
# Check endpoint health before starting bulk replication
if not self.check_endpoint_health(connection):
logger.warning(f"Cannot replicate existing objects: Endpoint {connection.name} ({connection.endpoint_url}) is not reachable")
return
@@ -290,7 +279,6 @@ class ReplicationManager:
logger.warning(f"Replication skipped for {bucket_name}/{object_key}: Connection {rule.target_connection_id} not found")
return
# Check endpoint health before attempting replication to prevent hangs
if not self.check_endpoint_health(connection):
logger.warning(f"Replication skipped for {bucket_name}/{object_key}: Endpoint {connection.name} ({connection.endpoint_url}) is not reachable")
return
@@ -350,10 +338,8 @@ class ReplicationManager:
return
# Don't replicate metadata - destination server will generate its own
# __etag__ and __size__. Replicating them causes signature mismatches
# when they have None/empty values.
# __etag__ and __size__. Replicating them causes signature mismatches when they have None/empty values.
# Guess content type to prevent corruption/wrong handling
content_type, _ = mimetypes.guess_type(path)
file_size = path.stat().st_size
@@ -375,14 +361,6 @@ class ReplicationManager:
}
if content_type:
put_kwargs["ContentType"] = content_type
# Metadata is not replicated - destination generates its own
# Debug logging for signature issues
logger.debug(f"PUT request details: bucket={rule.target_bucket}, key={repr(object_key)}, "
f"content_type={content_type}, body_len={len(file_content)}, "
f"endpoint={conn.endpoint_url}")
logger.debug(f"Key bytes: {object_key.encode('utf-8')}")
s3.put_object(**put_kwargs)
try:
@@ -395,7 +373,6 @@ class ReplicationManager:
if "NoSuchBucket" in str(e):
error_code = 'NoSuchBucket'
# Handle NoSuchBucket - create bucket and retry
if error_code == 'NoSuchBucket':
logger.info(f"Target bucket {rule.target_bucket} not found. Attempting to create it.")
bucket_ready = False
@@ -404,16 +381,14 @@ class ReplicationManager:
bucket_ready = True
logger.info(f"Created target bucket {rule.target_bucket}")
except ClientError as bucket_err:
# BucketAlreadyExists or BucketAlreadyOwnedByYou means another thread created it - that's OK!
if bucket_err.response['Error']['Code'] in ('BucketAlreadyExists', 'BucketAlreadyOwnedByYou'):
logger.debug(f"Bucket {rule.target_bucket} already exists (created by another thread)")
bucket_ready = True
else:
logger.error(f"Failed to create target bucket {rule.target_bucket}: {bucket_err}")
raise e # Raise original NoSuchBucket error
raise e
if bucket_ready:
# Retry the upload now that bucket exists
do_put_object()
else:
raise e
@@ -423,14 +398,6 @@ class ReplicationManager:
except (ClientError, OSError, ValueError) as e:
logger.error(f"Replication failed for {bucket_name}/{object_key}: {e}")
# Log additional debug info for signature errors
if isinstance(e, ClientError):
error_code = e.response.get('Error', {}).get('Code', '')
if 'Signature' in str(e) or 'Signature' in error_code:
logger.error(f"Signature debug - Key repr: {repr(object_key)}, "
f"Endpoint: {conn.endpoint_url}, "
f"Region: {conn.region}, "
f"Target bucket: {rule.target_bucket}")
except Exception:
logger.exception(f"Unexpected error during replication for {bucket_name}/{object_key}")

18
static/css/main.css
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@@ -409,8 +409,22 @@ code {
.bucket-table th:last-child { white-space: nowrap; }
.object-key {
word-break: break-word;
max-width: 32rem;
max-width: 0;
width: 100%;
overflow: hidden;
text-overflow: ellipsis;
}
.object-key .fw-medium {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.object-key .text-muted {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.preview-card { top: 1rem; }

6
templates/bucket_detail.html
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@@ -134,15 +134,15 @@
data-bulk-delete-endpoint="{{ url_for('ui.bulk_delete_objects', bucket_name=bucket_name) }}"
data-bulk-download-endpoint="{{ url_for('ui.bulk_download_objects', bucket_name=bucket_name) }}"
>
<table class="table table-hover align-middle mb-0" id="objects-table">
<table class="table table-hover align-middle mb-0" id="objects-table" style="table-layout: fixed;">
<thead class="table-light">
<tr>
<th scope="col" class="text-center" style="width: 3rem;">
<input class="form-check-input" type="checkbox" data-select-all aria-label="Select all objects" />
</th>
<th scope="col">Key</th>
<th scope="col" class="text-end">Size</th>
<th scope="col" class="text-end">Actions</th>
<th scope="col" class="text-end" style="width: 6rem;">Size</th>
<th scope="col" class="text-end" style="width: 5.5rem;">Actions</th>
</tr>
</thead>
<tbody>