Onedata API Reference

REST API references for Onezone, Oneprovider, and Onepanel.

Onezone REST API Oneprovider REST API Onepanel REST API

Test for hard link between files

GET /data/{id}/hardlinks/{hid}

Checks whether one file is a hard link to the other one. Both files are specified by $FILE_ID. The relation is symmetric; the order of the files in the URL does not matter.

Test for hard link between files

curl -H "X-Auth-Token: $TOKEN" \
-X GET "https://$PROVIDER_HOST/api/v3/oneprovider/data/$FILE_ID1/hardlinks/$FILE_ID2"

# return code = 0 (HTTP code = 204) -> true
# return code != 0 (HTTP code = 404) -> false

Path parameters

Parameter Type & Description
id required
string

First File Id.
hid required
string

Second File Id.

Request Examples

Shell
oneprovider-rest-cli testForHardlinkBetweenFiles id=$FILE_ID1 hid=$FILE_ID2

Responses

application/json
204

A hard link does exist between the files.

400

Invalid request.

Property
Type & Description
error
object (ErrorJson)

Object describing an error.
id required
string

String identifying the error type. Does not change between error instances.

description required
string

Human readable error description. May contain information specific to given error instance.

details
object

Details about the error instance. The object schema is specific to each error type.

ctx required
object (ErrorJsonCtx)

Technical information about error.
timestamp required
integer

Timestamp in milliseconds.

serviceReleaseVersion required
string

Release version of a product, for example "25.1".

serviceId required
string

Identifier of a service instance — either Oneprovider Id or "onezone".

serviceDomain required
string

Domain of the service.

serviceBuildVersion required
string

Build version of the service.

service required
string

Short name of service.

Enum:
ozw opw ozp opp
onedataErrorsRevision required
string

Revision of onedata-errors repo, where the error is defined.

module required
string

Module where the error occurred.

line required
integer

Line number in the module where the error occurred.

Example

application/json
{
  "error": {
    "id": "example",
    "description": "This is an example error.",
    "ctx": {
      "timestamp": 1750762637248,
      "serviceReleaseVersion": "25.1",
      "serviceId": "a7ee2722915b8bf7fb064eb65087cc61ch9357",
      "serviceDomain": "dev-oneprovider-krakow.default.svc.cluster.local",
      "serviceBuildVersion": "231-g8d26f953c3",
      "service": "opw",
      "onedataErrorsRevision": "ca3af8cb",
      "module": "metadata_req",
      "line": 45
    }
  }
}
403

Forbidden request.

Property
Type & Description
error
object (ErrorJson)

Object describing an error.
id required
string

String identifying the error type. Does not change between error instances.

description required
string

Human readable error description. May contain information specific to given error instance.

details
object

Details about the error instance. The object schema is specific to each error type.

ctx required
object (ErrorJsonCtx)

Technical information about error.
timestamp required
integer

Timestamp in milliseconds.

serviceReleaseVersion required
string

Release version of a product, for example "25.1".

serviceId required
string

Identifier of a service instance — either Oneprovider Id or "onezone".

serviceDomain required
string

Domain of the service.

serviceBuildVersion required
string

Build version of the service.

service required
string

Short name of service.

Enum:
ozw opw ozp opp
onedataErrorsRevision required
string

Revision of onedata-errors repo, where the error is defined.

module required
string

Module where the error occurred.

line required
integer

Line number in the module where the error occurred.

Example

application/json
{
  "error": {
    "id": "example",
    "description": "This is an example error.",
    "ctx": {
      "timestamp": 1750762637248,
      "serviceReleaseVersion": "25.1",
      "serviceId": "a7ee2722915b8bf7fb064eb65087cc61ch9357",
      "serviceDomain": "dev-oneprovider-krakow.default.svc.cluster.local",
      "serviceBuildVersion": "231-g8d26f953c3",
      "service": "opw",
      "onedataErrorsRevision": "ca3af8cb",
      "module": "metadata_req",
      "line": 45
    }
  }
}
404

No hard link exists between the files.

Property
Type & Description
error
object (ErrorJson)

Object describing an error.
id required
string

String identifying the error type. Does not change between error instances.

description required
string

Human readable error description. May contain information specific to given error instance.

details
object

Details about the error instance. The object schema is specific to each error type.

ctx required
object (ErrorJsonCtx)

Technical information about error.
timestamp required
integer

Timestamp in milliseconds.

serviceReleaseVersion required
string

Release version of a product, for example "25.1".

serviceId required
string

Identifier of a service instance — either Oneprovider Id or "onezone".

serviceDomain required
string

Domain of the service.

serviceBuildVersion required
string

Build version of the service.

service required
string

Short name of service.

Enum:
ozw opw ozp opp
onedataErrorsRevision required
string

Revision of onedata-errors repo, where the error is defined.

module required
string

Module where the error occurred.

line required
integer

Line number in the module where the error occurred.

Example

application/json
{
  "error": {
    "id": "example",
    "description": "This is an example error.",
    "ctx": {
      "timestamp": 1750762637248,
      "serviceReleaseVersion": "25.1",
      "serviceId": "a7ee2722915b8bf7fb064eb65087cc61ch9357",
      "serviceDomain": "dev-oneprovider-krakow.default.svc.cluster.local",
      "serviceBuildVersion": "231-g8d26f953c3",
      "service": "opw",
      "onedataErrorsRevision": "ca3af8cb",
      "module": "metadata_req",
      "line": 45
    }
  }
}
500

Internal server error.

Property
Type & Description
error
object (ErrorJson)

Object describing an error.
id required
string

String identifying the error type. Does not change between error instances.

description required
string

Human readable error description. May contain information specific to given error instance.

details
object

Details about the error instance. The object schema is specific to each error type.

ctx required
object (ErrorJsonCtx)

Technical information about error.
timestamp required
integer

Timestamp in milliseconds.

serviceReleaseVersion required
string

Release version of a product, for example "25.1".

serviceId required
string

Identifier of a service instance — either Oneprovider Id or "onezone".

serviceDomain required
string

Domain of the service.

serviceBuildVersion required
string

Build version of the service.

service required
string

Short name of service.

Enum:
ozw opw ozp opp
onedataErrorsRevision required
string

Revision of onedata-errors repo, where the error is defined.

module required
string

Module where the error occurred.

line required
integer

Line number in the module where the error occurred.

Example

application/json
{
  "error": {
    "id": "example",
    "description": "This is an example error.",
    "ctx": {
      "timestamp": 1750762637248,
      "serviceReleaseVersion": "25.1",
      "serviceId": "a7ee2722915b8bf7fb064eb65087cc61ch9357",
      "serviceDomain": "dev-oneprovider-krakow.default.svc.cluster.local",
      "serviceBuildVersion": "231-g8d26f953c3",
      "service": "opw",
      "onedataErrorsRevision": "ca3af8cb",
      "module": "metadata_req",
      "line": 45
    }
  }
}