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FeatureGate [config.openshift.io/v1] - Config <strong>api</strong>s | <strong>api</strong> reference | OpenShift Container Platform 4.17
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Description

Feature holds cluster-wide information about feature gates. The canonical name is cluster Compatibility level 1: Stable within a major release for a minimum of 12 months or 3 minor releases (whichever is longer).

Type

object

Required
  • spec

Specification

Property Type Description

apiVersion

string

apiVersion defines the versioned schema of this representation of an object. Servers should convert recognized schemas to the latest internal value, and may reject unrecognized values. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#resources

kind

string

Kind is a string value representing the REST resource this object represents. Servers may infer this from the endpoint the client submits requests to. Cannot be updated. In CamelCase. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds

metadata

ObjectMeta

Standard object’s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata

spec

object

spec holds user settable values for configuration

status

object

status holds observed values from the cluster. They may not be overridden.

.spec

Description

spec holds user settable values for configuration

Type

object

Property Type Description

customNoUpgrade

``

customNoUpgrade allows the enabling or disabling of any feature. Turning this feature set on IS NOT SUPPORTED, CANNOT BE UNDONE, and PREVENTS UPGRADES. Because of its nature, this setting cannot be validated. If you have any typos or accidentally apply invalid combinations your cluster may fail in an unrecoverable way. featureSet must equal "CustomNoUpgrade" must be set to use this field.

featureSet

string

featureSet changes the list of features in the cluster. The default is empty. Be very careful adjusting this setting. Turning on or off features may cause irreversible changes in your cluster which cannot be undone.

.status

Description

status holds observed values from the cluster. They may not be overridden.

Type

object

Property Type Description

conditions

array

conditions represent the observations of the current state. Known .status.conditions.type are: "DeterminationDegraded"

conditions[]

object

Condition contains details for one aspect of the current state of this api Resource. --- This struct is intended for direct use as an array at the field path .status.conditions. For example, type FooStatus struct{ // Represents the observations of a foo’s current state. // Known .status.conditions.type are: "Available", "Progressing", and "Degraded" // +patchMergeKey=type // +patchStrategy=merge // +listType=map // +listMapKey=type Conditions []metav1.Condition json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions" // other fields }

featureGates

array

featureGates contains a list of enabled and disabled featureGates that are keyed by payloadVersion. Operators other than the CVO and cluster-config-operator, must read the .status.featureGates, locate the version they are managing, find the enabled/disabled featuregates and make the operand and operator match. The enabled/disabled values for a particular version may change during the life of the cluster as various .spec.featureSet values are selected. Operators may choose to restart their processes to pick up these changes, but remembering past enable/disable lists is beyond the scope of this api and is the responsibility of individual operators. Only featureGates with .version in the ClusterVersion.status will be present in this list.

featureGates[]

object

.status.conditions

Description

conditions represent the observations of the current state. Known .status.conditions.type are: "DeterminationDegraded"

Type

array

.status.conditions[]

Description

Condition contains details for one aspect of the current state of this api Resource. --- This struct is intended for direct use as an array at the field path .status.conditions. For example, type FooStatus struct{ // Represents the observations of a foo’s current state. // Known .status.conditions.type are: "Available", "Progressing", and "Degraded" // +patchMergeKey=type // +patchStrategy=merge // +listType=map // +listMapKey=type Conditions []metav1.Condition json:"conditions,omitempty" patchStrategy:"merge" patchMergeKey:"type" protobuf:"bytes,1,rep,name=conditions" // other fields }

Type

object

Required
  • lastTransitionTime

  • message

  • reason

  • status

  • type

Property Type Description

lastTransitionTime

string

lastTransitionTime is the last time the condition transitioned from one status to another. This should be when the underlying condition changed. If that is not known, then using the time when the api field changed is acceptable.

message

string

message is a human readable message indicating details about the transition. This may be an empty string.

observedGeneration

integer

observedGeneration represents the .metadata.generation that the condition was set based upon. For instance, if .metadata.generation is currently 12, but the .status.conditions[x].observedGeneration is 9, the condition is out of date with respect to the current state of the instance.

reason

string

reason contains a programmatic identifier indicating the reason for the condition’s last transition. Producers of specific condition types may define expected values and meanings for this field, and whether the values are considered a guaranteed api. The value should be a CamelCase string. This field may not be empty.

status

string

status of the condition, one of True, False, Unknown.

type

string

type of condition in CamelCase or in foo.example.com/CamelCase. --- Many .condition.type values are consistent across resources like Available, but because arbitrary conditions can be useful (see .node.status.conditions), the ability to deconflict is important. The regex it matches is (dns1123SubdomainFmt/)?(qualifiedNameFmt)

.status.featureGates

Description

featureGates contains a list of enabled and disabled featureGates that are keyed by payloadVersion. Operators other than the CVO and cluster-config-operator, must read the .status.featureGates, locate the version they are managing, find the enabled/disabled featuregates and make the operand and operator match. The enabled/disabled values for a particular version may change during the life of the cluster as various .spec.featureSet values are selected. Operators may choose to restart their processes to pick up these changes, but remembering past enable/disable lists is beyond the scope of this api and is the responsibility of individual operators. Only featureGates with .version in the ClusterVersion.status will be present in this list.

Type

array

.status.featureGates[]

Description
Type

object

Required
  • version

Property Type Description

disabled

array

disabled is a list of all feature gates that are disabled in the cluster for the named version.

disabled[]

object

enabled

array

enabled is a list of all feature gates that are enabled in the cluster for the named version.

enabled[]

object

version

string

version matches the version provided by the ClusterVersion and in the ClusterOperator.Status.Versions field.

.status.featureGates[].disabled

Description

disabled is a list of all feature gates that are disabled in the cluster for the named version.

Type

array

.status.featureGates[].disabled[]

Description
Type

object

Required
  • name

Property Type Description

name

string

name is the name of the FeatureGate.

.status.featureGates[].enabled

Description

enabled is a list of all feature gates that are enabled in the cluster for the named version.

Type

array

.status.featureGates[].enabled[]

Description
Type

object

Required
  • name

Property Type Description

name

string

name is the name of the FeatureGate.

api endpoints

The following api endpoints are available:

  • /apis/config.openshift.io/v1/featuregates

    • DELETE: delete collection of FeatureGate

    • GET: list objects of kind FeatureGate

    • POST: create a FeatureGate

  • /apis/config.openshift.io/v1/featuregates/{name}

    • DELETE: delete a FeatureGate

    • GET: read the specified FeatureGate

    • PATCH: partially update the specified FeatureGate

    • PUT: replace the specified FeatureGate

  • /apis/config.openshift.io/v1/featuregates/{name}/status

    • GET: read status of the specified FeatureGate

    • PATCH: partially update status of the specified FeatureGate

    • PUT: replace status of the specified FeatureGate

/apis/config.openshift.io/v1/featuregates

HTTP method

DELETE

Description

delete collection of FeatureGate

Table 1. HTTP responses
HTTP code Reponse body

200 - OK

Status schema

401 - Unauthorized

Empty

HTTP method

GET

Description

list objects of kind FeatureGate

Table 2. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGateList schema

401 - Unauthorized

Empty

HTTP method

POST

Description

create a FeatureGate

Table 3. Query parameters
Parameter Type Description

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Table 4. Body parameters
Parameter Type Description

body

FeatureGate schema

Table 5. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

201 - Created

FeatureGate schema

202 - Accepted

FeatureGate schema

401 - Unauthorized

Empty

/apis/config.openshift.io/v1/featuregates/{name}

Table 6. Global path parameters
Parameter Type Description

name

string

name of the FeatureGate

HTTP method

DELETE

Description

delete a FeatureGate

Table 7. Query parameters
Parameter Type Description

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

Table 8. HTTP responses
HTTP code Reponse body

200 - OK

Status schema

202 - Accepted

Status schema

401 - Unauthorized

Empty

HTTP method

GET

Description

read the specified FeatureGate

Table 9. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

401 - Unauthorized

Empty

HTTP method

PATCH

Description

partially update the specified FeatureGate

Table 10. Query parameters
Parameter Type Description

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Table 11. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

401 - Unauthorized

Empty

HTTP method

PUT

Description

replace the specified FeatureGate

Table 12. Query parameters
Parameter Type Description

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Table 13. Body parameters
Parameter Type Description

body

FeatureGate schema

Table 14. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

201 - Created

FeatureGate schema

401 - Unauthorized

Empty

/apis/config.openshift.io/v1/featuregates/{name}/status

Table 15. Global path parameters
Parameter Type Description

name

string

name of the FeatureGate

HTTP method

GET

Description

read status of the specified FeatureGate

Table 16. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

401 - Unauthorized

Empty

HTTP method

PATCH

Description

partially update status of the specified FeatureGate

Table 17. Query parameters
Parameter Type Description

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Table 18. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

401 - Unauthorized

Empty

HTTP method

PUT

Description

replace status of the specified FeatureGate

Table 19. Query parameters
Parameter Type Description

dryRun

string

When present, indicates that modifications should not be persisted. An invalid or unrecognized dryRun directive will result in an error response and no further processing of the request. Valid values are: - All: all dry run stages will be processed

fieldValidation

string

fieldValidation instructs the server on how to handle objects in the request (POST/PUT/PATCH) containing unknown or duplicate fields. Valid values are: - Ignore: This will ignore any unknown fields that are silently dropped from the object, and will ignore all but the last duplicate field that the decoder encounters. This is the default behavior prior to v1.23. - Warn: This will send a warning via the standard warning response header for each unknown field that is dropped from the object, and for each duplicate field that is encountered. The request will still succeed if there are no other errors, and will only persist the last of any duplicate fields. This is the default in v1.23+ - Strict: This will fail the request with a BadRequest error if any unknown fields would be dropped from the object, or if any duplicate fields are present. The error returned from the server will contain all unknown and duplicate fields encountered.

Table 20. Body parameters
Parameter Type Description

body

FeatureGate schema

Table 21. HTTP responses
HTTP code Reponse body

200 - OK

FeatureGate schema

201 - Created

FeatureGate schema

401 - Unauthorized

Empty