Onedata API Reference

REST API references for Onezone, Oneprovider, and Onepanel.

Version:

Onezone REST API Oneprovider REST API Onepanel REST API

Version:

Evaluate QoS expression

POST /spaces/{sid}/evaluate_qos_expression

Parses given QoS expression and evaluates it against the parameters of storage backends supporting the space. Returns the list of storage backends that match the expression. In case of invalid expression, returns an error with the parser report.

This operation requires space_manage_qos privilege.

Example cURL requests

Evaluate QoS expression

curl -X POST -H "X-Auth-Token: $TOKEN" \
-H "Content-type: application/json" \
-d "{"expression": "key = value"}" \
"https://$PROVIDER_HOST/api/v3/oneprovider/spaces/$SPACE_ID/evaluate_qos_expression"

{
  "matchingStorageBackends": [
    {
      "id": "$STORAGE_ID",
      "name": "storage_name",
      "providerId": "$PROVIDER_ID"
    }
  ],
  "matchingStorages": [
    {
      "id": "$STORAGE_ID",
      "name": "storage_name",
      "providerId": "$PROVIDER_ID"
    }
  ]
}

Path parameters

Parameter	Type & Description
sid required	string Space Id in which to evaluate QoS expression.

Request body

application/json

QoS expression to be evaluated.

No schema provided.

Request Examples

application/json

key = value

Responses

application/json

200

The list of storage backends matching given QoS expression (objects containing basic storage details)

Property

Type & Description

matchingStorageBackends

array of objects (StorageDetails)

The list of storage backends matching given QoS expression (objects containing basic storage details)

id string Id of storage backend.
name string Name of storage backend.
providerId string Id of provider storage backend belongs to.

matchingStorages

array of objects (StorageDetails)

The list of storage backends matching given QoS expression (objects containing basic storage details) [deprecated]

id string Id of storage backend.
name string Name of storage backend.
providerId string Id of provider storage backend belongs to.

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 "25.0".
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: ozwopwozpopp
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": "25.0",
      "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 "25.0".
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: ozwopwozpopp
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": "25.0",
      "serviceId": "a7ee2722915b8bf7fb064eb65087cc61ch9357",
      "serviceDomain": "dev-oneprovider-krakow.default.svc.cluster.local",
      "serviceBuildVersion": "231-g8d26f953c3",
      "service": "opw",
      "onedataErrorsRevision": "ca3af8cb",
      "module": "metadata_req",
      "line": 45
    }
  }
}

404

Oneprovider REST API not available.

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 "25.0".
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: ozwopwozpopp
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": "25.0",
      "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 "25.0".
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: ozwopwozpopp
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": "25.0",
      "serviceId": "a7ee2722915b8bf7fb064eb65087cc61ch9357",
      "serviceDomain": "dev-oneprovider-krakow.default.svc.cluster.local",
      "serviceBuildVersion": "231-g8d26f953c3",
      "service": "opw",
      "onedataErrorsRevision": "ca3af8cb",
      "module": "metadata_req",
      "line": 45
    }
  }
}