Get upload session

GET

/v0/namespaces/{namespace_id}/uploads/{upload_id}

Returns an upload session. An open direct_put session includes freshly signed access. A completed session includes a new content token so the client can retry the commit without uploading the content again.

Authorizations

• bearer_auth

Parameters

Path Parameters

namespace_id

required

string

Namespace id

upload_id

required

string

Upload session id

Responses

200

Upload session state

One of: discriminator: status

open

open

Accepting content until its lease passes.

object

access

One of: discriminator: kind

presigned_url

presigned_url

Short-lived URL plus required headers for one object-store write.

object

expires_at_ms

required

Expiration timestamp in Unix milliseconds.

integer format: int64

headers

Headers that are covered by the signature and must be sent.

object

key

additional properties

string

kind

required

string

Allowed values: presigned_url

method

required

HTTP method the client must use.

string

url

required

Full presigned URL.

string

checksum_algorithm

Present for direct_put and direct_multipart sessions.

string

Allowed values: sha256 crc64nvme crc32c

content_ref

Present after content is staged in a service_proxied session.

object

checksum

required

Mandatory checksum over the complete object.

object

algorithm

required

Algorithm that produced value.

string

Allowed values: sha256 crc64nvme crc32c

value

required

The canonical lowercase hexadecimal checksum without a prefix.

string

content_id

required

Immutable identity of the content; with the owner, it determines the object key.

string

/^con_[0-9a-f]{32}$/

Example

con_9f2a6c0e4b7d4a90b13f0d8c5e6a2b41

kind

required

Content strategy used by the referenced content.

string

Allowed values: blob_v1

owner_namespace_id

required

Namespace that originally wrote the bytes.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

size_bytes

required

Complete byte length of the referenced content.

integer format: int64

expires_at_ms

required

The Unix-millisecond time after which cleanup may abort the session.

integer format: int64

mode

required

Transport selected when the session began.

string

Allowed values: service_proxied direct_put direct_multipart

namespace_id

required

Namespace that owns the session.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

part_size_bytes

Present for direct_multipart sessions.

integer format: int64

status

required

Whether the upload session is open, completed, or aborted.

string

Allowed values: open

upload_id

required

Session represented by this view.

string

/^upl_[0-9a-f]{32}$/

Example

upl_4d8f2c91a7b34e0f9c6d1a2b3e5f708c

completed

completed

Final: the content is durable and verified.

object

completed_at_ms

required

Unix-millisecond stamp of the completion.

integer format: int64

content_ref

required

Verified content selected by this session.

object

checksum

required

Mandatory checksum over the complete object.

object

algorithm

required

Algorithm that produced value.

string

Allowed values: sha256 crc64nvme crc32c

value

required

The canonical lowercase hexadecimal checksum without a prefix.

string

content_id

required

Immutable identity of the content; with the owner, it determines the object key.

string

/^con_[0-9a-f]{32}$/

Example

con_9f2a6c0e4b7d4a90b13f0d8c5e6a2b41

kind

required

Content strategy used by the referenced content.

string

Allowed values: blob_v1

owner_namespace_id

required

Namespace that originally wrote the bytes.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

size_bytes

required

Complete byte length of the referenced content.

integer format: int64

content_token

Fresh proof for a later commit, absent after the token minting window closes.

object

content_ref

required

Content authorized by this token.

object

checksum

required

Mandatory checksum over the complete object.

object

algorithm

required

Algorithm that produced value.

string

Allowed values: sha256 crc64nvme crc32c

value

required

The canonical lowercase hexadecimal checksum without a prefix.

string

content_id

required

Immutable identity of the content; with the owner, it determines the object key.

string

/^con_[0-9a-f]{32}$/

Example

con_9f2a6c0e4b7d4a90b13f0d8c5e6a2b41

kind

required

Content strategy used by the referenced content.

string

Allowed values: blob_v1

owner_namespace_id

required

Namespace that originally wrote the bytes.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

size_bytes

required

Complete byte length of the referenced content.

integer format: int64

token

required

The opaque server-signed token that clients must not parse.

string

mode

required

Transport selected when the session began.

string

Allowed values: service_proxied direct_put direct_multipart

namespace_id

required

Namespace that owns the session.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

status

required

Whether the upload session is open, completed, or aborted.

string

Allowed values: completed

upload_id

required

Session represented by this view.

string

/^upl_[0-9a-f]{32}$/

Example

upl_4d8f2c91a7b34e0f9c6d1a2b3e5f708c

aborted

aborted

Final: the session selected no content and its object is gone.

object

aborted_at_ms

required

Unix-millisecond stamp of the abort.

integer format: int64

mode

required

Transport selected when the session began.

string

Allowed values: service_proxied direct_put direct_multipart

namespace_id

required

Namespace that owns the session.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

status

required

Whether the upload session is open, completed, or aborted.

string

Allowed values: aborted

upload_id

required

Session represented by this view.

string

/^upl_[0-9a-f]{32}$/

Example

upl_4d8f2c91a7b34e0f9c6d1a2b3e5f708c

400

Invalid upload id

HTTP error body used by LoonFS APIs.

object

code

required

The stable machine-readable error code as a string.

string

details

The optional machine-readable context for the error code.

object

active_acquired_at_ms

The Unix-millisecond time when the current writer acquired its epoch, when available.

integer format: int64

active_writer_epoch

Epoch that currently owns the namespace.

integer format: int64

<= 9007199254740991

active_writer_id

The writer ID recorded for the current epoch, when available.

string

actual_access_revision_no

Access revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_attributes_revision_no

Attribute revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_binding_version

Current binding token; absent for the root, which has no binding.

string

/^[0-9a-f]+$/

actual_deletion_seq

Deletion sequence actually active for the inode.

integer format: int64

<= 9007199254740991

actual_head_seq

The actual namespace head sequence.

integer format: int64

<= 9007199254740991

actual_inode_id

The path actually contained this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

actual_revision_no

Revision that is actually current; absent when the inode has none.

integer format: int64

<= 9007199254740991

after_seq

Change-feed cursor the request asked to resume after.

integer format: int64

<= 9007199254740991

commit_id

Idempotency key of the commit the error concerns.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

c_f3a9c2d4b6e8417a90c5d2f8e1b7a6c0

committed_fingerprint

The fingerprint of the mutation that landed under commit_id, present with committed_seq.

string

committed_seq

The sequence where this commit ID already landed, when recorded by a durable receipt.

integer format: int64

<= 9007199254740991

expected_access_revision_no

Access revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_attributes_revision_no

Attribute revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_binding_version

Opaque binding token supplied by the request.

string

/^[0-9a-f]+$/

expected_deletion_seq

Deletion sequence the undelete expected to be active.

integer format: int64

<= 9007199254740991

expected_head_seq

The head sequence required by the request.

integer format: int64

<= 9007199254740991

expected_inode_id

The request expected the path to contain this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

expected_revision_no

Revision the request expected to be current.

integer format: int64

<= 9007199254740991

fenced_writer_epoch

Epoch the failing writer session held when it was displaced.

integer format: int64

<= 9007199254740991

inode_id

Inode the failed precondition or operation targeted.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

max_writer_sessions

Maximum writer sessions admitted by the node.

integer

namespace_id

The deleted namespace that caused the operation to fail.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

operation_index

The index of the failed operation in the request.

integer format: int32

precondition_index

Zero-based position of the failed request precondition.

integer format: int32

retention_floor_seq

Oldest sequence still promised for incremental replay.

integer format: int64

<= 9007199254740991

feature

The capability feature key for a not_supported error.

string

message

required

Human-readable error message.

string

param

The invalid JSON Pointer, parameter name, CLI flag, or CLI argument.

string

request_id

The request correlation ID also sent in the x-request-id response header.

string

401

Unauthorized

HTTP error body used by LoonFS APIs.

object

code

required

The stable machine-readable error code as a string.

string

details

The optional machine-readable context for the error code.

object

active_acquired_at_ms

The Unix-millisecond time when the current writer acquired its epoch, when available.

integer format: int64

active_writer_epoch

Epoch that currently owns the namespace.

integer format: int64

<= 9007199254740991

active_writer_id

The writer ID recorded for the current epoch, when available.

string

actual_access_revision_no

Access revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_attributes_revision_no

Attribute revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_binding_version

Current binding token; absent for the root, which has no binding.

string

/^[0-9a-f]+$/

actual_deletion_seq

Deletion sequence actually active for the inode.

integer format: int64

<= 9007199254740991

actual_head_seq

The actual namespace head sequence.

integer format: int64

<= 9007199254740991

actual_inode_id

The path actually contained this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

actual_revision_no

Revision that is actually current; absent when the inode has none.

integer format: int64

<= 9007199254740991

after_seq

Change-feed cursor the request asked to resume after.

integer format: int64

<= 9007199254740991

commit_id

Idempotency key of the commit the error concerns.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

c_f3a9c2d4b6e8417a90c5d2f8e1b7a6c0

committed_fingerprint

The fingerprint of the mutation that landed under commit_id, present with committed_seq.

string

committed_seq

The sequence where this commit ID already landed, when recorded by a durable receipt.

integer format: int64

<= 9007199254740991

expected_access_revision_no

Access revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_attributes_revision_no

Attribute revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_binding_version

Opaque binding token supplied by the request.

string

/^[0-9a-f]+$/

expected_deletion_seq

Deletion sequence the undelete expected to be active.

integer format: int64

<= 9007199254740991

expected_head_seq

The head sequence required by the request.

integer format: int64

<= 9007199254740991

expected_inode_id

The request expected the path to contain this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

expected_revision_no

Revision the request expected to be current.

integer format: int64

<= 9007199254740991

fenced_writer_epoch

Epoch the failing writer session held when it was displaced.

integer format: int64

<= 9007199254740991

inode_id

Inode the failed precondition or operation targeted.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

max_writer_sessions

Maximum writer sessions admitted by the node.

integer

namespace_id

The deleted namespace that caused the operation to fail.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

operation_index

The index of the failed operation in the request.

integer format: int32

precondition_index

Zero-based position of the failed request precondition.

integer format: int32

retention_floor_seq

Oldest sequence still promised for incremental replay.

integer format: int64

<= 9007199254740991

feature

The capability feature key for a not_supported error.

string

message

required

Human-readable error message.

string

param

The invalid JSON Pointer, parameter name, CLI flag, or CLI argument.

string

request_id

The request correlation ID also sent in the x-request-id response header.

string

404

Namespace or upload not found

HTTP error body used by LoonFS APIs.

object

code

required

The stable machine-readable error code as a string.

string

details

The optional machine-readable context for the error code.

object

active_acquired_at_ms

The Unix-millisecond time when the current writer acquired its epoch, when available.

integer format: int64

active_writer_epoch

Epoch that currently owns the namespace.

integer format: int64

<= 9007199254740991

active_writer_id

The writer ID recorded for the current epoch, when available.

string

actual_access_revision_no

Access revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_attributes_revision_no

Attribute revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_binding_version

Current binding token; absent for the root, which has no binding.

string

/^[0-9a-f]+$/

actual_deletion_seq

Deletion sequence actually active for the inode.

integer format: int64

<= 9007199254740991

actual_head_seq

The actual namespace head sequence.

integer format: int64

<= 9007199254740991

actual_inode_id

The path actually contained this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

actual_revision_no

Revision that is actually current; absent when the inode has none.

integer format: int64

<= 9007199254740991

after_seq

Change-feed cursor the request asked to resume after.

integer format: int64

<= 9007199254740991

commit_id

Idempotency key of the commit the error concerns.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

c_f3a9c2d4b6e8417a90c5d2f8e1b7a6c0

committed_fingerprint

The fingerprint of the mutation that landed under commit_id, present with committed_seq.

string

committed_seq

The sequence where this commit ID already landed, when recorded by a durable receipt.

integer format: int64

<= 9007199254740991

expected_access_revision_no

Access revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_attributes_revision_no

Attribute revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_binding_version

Opaque binding token supplied by the request.

string

/^[0-9a-f]+$/

expected_deletion_seq

Deletion sequence the undelete expected to be active.

integer format: int64

<= 9007199254740991

expected_head_seq

The head sequence required by the request.

integer format: int64

<= 9007199254740991

expected_inode_id

The request expected the path to contain this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

expected_revision_no

Revision the request expected to be current.

integer format: int64

<= 9007199254740991

fenced_writer_epoch

Epoch the failing writer session held when it was displaced.

integer format: int64

<= 9007199254740991

inode_id

Inode the failed precondition or operation targeted.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

max_writer_sessions

Maximum writer sessions admitted by the node.

integer

namespace_id

The deleted namespace that caused the operation to fail.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

operation_index

The index of the failed operation in the request.

integer format: int32

precondition_index

Zero-based position of the failed request precondition.

integer format: int32

retention_floor_seq

Oldest sequence still promised for incremental replay.

integer format: int64

<= 9007199254740991

feature

The capability feature key for a not_supported error.

string

message

required

Human-readable error message.

string

param

The invalid JSON Pointer, parameter name, CLI flag, or CLI argument.

string

request_id

The request correlation ID also sent in the x-request-id response header.

string

410

Namespace deleted

HTTP error body used by LoonFS APIs.

object

code

required

The stable machine-readable error code as a string.

string

details

The optional machine-readable context for the error code.

object

active_acquired_at_ms

The Unix-millisecond time when the current writer acquired its epoch, when available.

integer format: int64

active_writer_epoch

Epoch that currently owns the namespace.

integer format: int64

<= 9007199254740991

active_writer_id

The writer ID recorded for the current epoch, when available.

string

actual_access_revision_no

Access revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_attributes_revision_no

Attribute revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_binding_version

Current binding token; absent for the root, which has no binding.

string

/^[0-9a-f]+$/

actual_deletion_seq

Deletion sequence actually active for the inode.

integer format: int64

<= 9007199254740991

actual_head_seq

The actual namespace head sequence.

integer format: int64

<= 9007199254740991

actual_inode_id

The path actually contained this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

actual_revision_no

Revision that is actually current; absent when the inode has none.

integer format: int64

<= 9007199254740991

after_seq

Change-feed cursor the request asked to resume after.

integer format: int64

<= 9007199254740991

commit_id

Idempotency key of the commit the error concerns.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

c_f3a9c2d4b6e8417a90c5d2f8e1b7a6c0

committed_fingerprint

The fingerprint of the mutation that landed under commit_id, present with committed_seq.

string

committed_seq

The sequence where this commit ID already landed, when recorded by a durable receipt.

integer format: int64

<= 9007199254740991

expected_access_revision_no

Access revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_attributes_revision_no

Attribute revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_binding_version

Opaque binding token supplied by the request.

string

/^[0-9a-f]+$/

expected_deletion_seq

Deletion sequence the undelete expected to be active.

integer format: int64

<= 9007199254740991

expected_head_seq

The head sequence required by the request.

integer format: int64

<= 9007199254740991

expected_inode_id

The request expected the path to contain this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

expected_revision_no

Revision the request expected to be current.

integer format: int64

<= 9007199254740991

fenced_writer_epoch

Epoch the failing writer session held when it was displaced.

integer format: int64

<= 9007199254740991

inode_id

Inode the failed precondition or operation targeted.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

max_writer_sessions

Maximum writer sessions admitted by the node.

integer

namespace_id

The deleted namespace that caused the operation to fail.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

operation_index

The index of the failed operation in the request.

integer format: int32

precondition_index

Zero-based position of the failed request precondition.

integer format: int32

retention_floor_seq

Oldest sequence still promised for incremental replay.

integer format: int64

<= 9007199254740991

feature

The capability feature key for a not_supported error.

string

message

required

Human-readable error message.

string

param

The invalid JSON Pointer, parameter name, CLI flag, or CLI argument.

string

request_id

The request correlation ID also sent in the x-request-id response header.

string

503

The server cannot complete the request now. Inspect code to determine whether the cause is a deadline, shutdown, load, writer-session admission, required maintenance, or invalid storage credentials. A mutation may still complete after a deadline or lost acknowledgment, so determine its outcome before retrying.

HTTP error body used by LoonFS APIs.

object

code

required

The stable machine-readable error code as a string.

string

details

The optional machine-readable context for the error code.

object

active_acquired_at_ms

The Unix-millisecond time when the current writer acquired its epoch, when available.

integer format: int64

active_writer_epoch

Epoch that currently owns the namespace.

integer format: int64

<= 9007199254740991

active_writer_id

The writer ID recorded for the current epoch, when available.

string

actual_access_revision_no

Access revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_attributes_revision_no

Attribute revision that is actually current for the inode.

integer format: int64

<= 9007199254740991

actual_binding_version

Current binding token; absent for the root, which has no binding.

string

/^[0-9a-f]+$/

actual_deletion_seq

Deletion sequence actually active for the inode.

integer format: int64

<= 9007199254740991

actual_head_seq

The actual namespace head sequence.

integer format: int64

<= 9007199254740991

actual_inode_id

The path actually contained this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

actual_revision_no

Revision that is actually current; absent when the inode has none.

integer format: int64

<= 9007199254740991

after_seq

Change-feed cursor the request asked to resume after.

integer format: int64

<= 9007199254740991

commit_id

Idempotency key of the commit the error concerns.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

c_f3a9c2d4b6e8417a90c5d2f8e1b7a6c0

committed_fingerprint

The fingerprint of the mutation that landed under commit_id, present with committed_seq.

string

committed_seq

The sequence where this commit ID already landed, when recorded by a durable receipt.

integer format: int64

<= 9007199254740991

expected_access_revision_no

Access revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_attributes_revision_no

Attribute revision the request expected to be current.

integer format: int64

<= 9007199254740991

expected_binding_version

Opaque binding token supplied by the request.

string

/^[0-9a-f]+$/

expected_deletion_seq

Deletion sequence the undelete expected to be active.

integer format: int64

<= 9007199254740991

expected_head_seq

The head sequence required by the request.

integer format: int64

<= 9007199254740991

expected_inode_id

The request expected the path to contain this inode.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

expected_revision_no

Revision the request expected to be current.

integer format: int64

<= 9007199254740991

fenced_writer_epoch

Epoch the failing writer session held when it was displaced.

integer format: int64

<= 9007199254740991

inode_id

Inode the failed precondition or operation targeted.

string

/^ino_[1-9][0-9]*$/

Example

ino_123

max_writer_sessions

Maximum writer sessions admitted by the node.

integer

namespace_id

The deleted namespace that caused the operation to fail.

string

/^[a-z0-9][a-z0-9._-]{0,127}$/

Example

demo

operation_index

The index of the failed operation in the request.

integer format: int32

precondition_index

Zero-based position of the failed request precondition.

integer format: int32

retention_floor_seq

Oldest sequence still promised for incremental replay.

integer format: int64

<= 9007199254740991

feature

The capability feature key for a not_supported error.

string

message

required

Human-readable error message.

string

param

The invalid JSON Pointer, parameter name, CLI flag, or CLI argument.

string

request_id

The request correlation ID also sent in the x-request-id response header.

string