FlowSchema [flowcontrol.apiserver.k8s.io/v1]

Description

FlowSchema defines the schema of a group of flows. Note that a flow is made up of a set of inbound API requests with similar attributes and is identified by a pair of strings: the name of the FlowSchema and a "flow distinguisher".

Type

`object`

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	metadata is the standard object’s metadata. More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#metadata
spec	object	FlowSchemaSpec describes how the FlowSchema’s specification looks like.
status	object	FlowSchemaStatus represents the current state of a FlowSchema.

.spec

Description

FlowSchemaSpec describes how the FlowSchema’s specification looks like.

Type

`object`

Required

• priorityLevelConfiguration

Property	Type	Description
distinguisherMethod	object	FlowDistinguisherMethod specifies the method of a flow distinguisher.
matchingPrecedence	integer	matchingPrecedence is used to choose among the FlowSchemas that match a given request. The chosen FlowSchema is among those with the numerically lowest (which we take to be logically highest) MatchingPrecedence. Each MatchingPrecedence value must be ranged in [1,10000]. Note that if the precedence is not specified, it will be set to 1000 as default.
priorityLevelConfiguration	object	PriorityLevelConfigurationReference contains information that points to the "request-priority" being used.
rules	array	rules describes which requests will match this flow schema. This FlowSchema matches a request if and only if at least one member of rules matches the request. if it is an empty slice, there will be no requests matching the FlowSchema.
rules[]	object	PolicyRulesWithSubjects prescribes a test that applies to a request to an apiserver. The test considers the subject making the request, the verb being requested, and the resource to be acted upon. This PolicyRulesWithSubjects matches a request if and only if both (a) at least one member of subjects matches the request and (b) at least one member of resourceRules or nonResourceRules matches the request.

.spec.distinguisherMethod

Description

FlowDistinguisherMethod specifies the method of a flow distinguisher.

Type

`object`

Required

• type

Property	Type	Description
type	string	type is the type of flow distinguisher method The supported types are "ByUser" and "ByNamespace". Required.

.spec.priorityLevelConfiguration

Description

PriorityLevelConfigurationReference contains information that points to the "request-priority" being used.

Type

`object`

Required

• name

Property	Type	Description
name	string	name is the name of the priority level configuration being referenced Required.

.spec.rules

Description

rules describes which requests will match this flow schema. This FlowSchema matches a request if and only if at least one member of rules matches the request. if it is an empty slice, there will be no requests matching the FlowSchema.

Type

`array`

.spec.rules[]

Description

PolicyRulesWithSubjects prescribes a test that applies to a request to an apiserver. The test considers the subject making the request, the verb being requested, and the resource to be acted upon. This PolicyRulesWithSubjects matches a request if and only if both (a) at least one member of subjects matches the request and (b) at least one member of resourceRules or nonResourceRules matches the request.

Type

`object`

Required

• subjects

Property	Type	Description
nonResourceRules	array	nonResourceRules is a list of NonResourcePolicyRules that identify matching requests according to their verb and the target non-resource URL.
nonResourceRules[]	object	NonResourcePolicyRule is a predicate that matches non-resource requests according to their verb and the target non-resource URL. A NonResourcePolicyRule matches a request if and only if both (a) at least one member of verbs matches the request and (b) at least one member of nonResourceURLs matches the request.
resourceRules	array	resourceRules is a slice of ResourcePolicyRules that identify matching requests according to their verb and the target resource. At least one of resourceRules and nonResourceRules has to be non-empty.
resourceRules[]	object	ResourcePolicyRule is a predicate that matches some resource requests, testing the request’s verb and the target resource. A ResourcePolicyRule matches a resource request if and only if: (a) at least one member of verbs matches the request, (b) at least one member of apiGroups matches the request, (c) at least one member of resources matches the request, and (d) either (d1) the request does not specify a namespace (i.e., Namespace=="") and clusterScope is true or (d2) the request specifies a namespace and least one member of namespaces matches the request’s namespace.
subjects	array	subjects is the list of normal user, serviceaccount, or group that this rule cares about. There must be at least one member in this slice. A slice that includes both the system:authenticated and system:unauthenticated user groups matches every request. Required.
subjects[]	object	Subject matches the originator of a request, as identified by the request authentication system. There are three ways of matching an originator; by user, group, or service account.

.spec.rules[].nonResourceRules

Description

nonResourceRules is a list of NonResourcePolicyRules that identify matching requests according to their verb and the target non-resource URL.

Type

`array`

.spec.rules[].nonResourceRules[]

Description

NonResourcePolicyRule is a predicate that matches non-resource requests according to their verb and the target non-resource URL. A NonResourcePolicyRule matches a request if and only if both (a) at least one member of verbs matches the request and (b) at least one member of nonResourceURLs matches the request.

Type

`object`

Required

• verbs
• nonResourceURLs

Property	Type	Description
nonResourceURLs	array (string)	nonResourceURLs is a set of url prefixes that a user should have access to and may not be empty. For example: - "/healthz" is legal - "/hea*" is illegal - "/hea" is legal but matches nothing - "/hea/" also matches nothing - "/healthz/" matches all per-component health checks. "*" matches all non-resource urls. if it is present, it must be the only entry. Required.
verbs	array (string)	verbs is a list of matching verbs and may not be empty. "*" matches all verbs. If it is present, it must be the only entry. Required.

.spec.rules[].resourceRules

Description

resourceRules is a slice of ResourcePolicyRules that identify matching requests according to their verb and the target resource. At least one of resourceRules and nonResourceRules has to be non-empty.

Type

`array`

.spec.rules[].resourceRules[]

Description

ResourcePolicyRule is a predicate that matches some resource requests, testing the request’s verb and the target resource. A ResourcePolicyRule matches a resource request if and only if: (a) at least one member of verbs matches the request, (b) at least one member of apiGroups matches the request, (c) at least one member of resources matches the request, and (d) either (d1) the request does not specify a namespace (i.e., Namespace=="") and clusterScope is true or (d2) the request specifies a namespace and least one member of namespaces matches the request’s namespace.

Type

`object`

Required

• verbs
• apiGroups
• resources

Property	Type	Description
apiGroups	array (string)	apiGroups is a list of matching API groups and may not be empty. "*" matches all API groups and, if present, must be the only entry. Required.
clusterScope	boolean	clusterScope indicates whether to match requests that do not specify a namespace (which happens either because the resource is not namespaced or the request targets all namespaces). If this field is omitted or false then the namespaces field must contain a non-empty list.
namespaces	array (string)	namespaces is a list of target namespaces that restricts matches. A request that specifies a target namespace matches only if either (a) this list contains that target namespace or (b) this list contains "". Note that "" matches any specified namespace but does not match a request that does not specify a namespace (see the clusterScope field for that). This list may be empty, but only if clusterScope is true.
resources	array (string)	resources is a list of matching resources (i.e., lowercase and plural) with, if desired, subresource. For example, [ "services", "nodes/status" ]. This list may not be empty. "*" matches all resources and, if present, must be the only entry. Required.
verbs	array (string)	verbs is a list of matching verbs and may not be empty. "*" matches all verbs and, if present, must be the only entry. Required.

.spec.rules[].subjects

Description

subjects is the list of normal user, serviceaccount, or group that this rule cares about. There must be at least one member in this slice. A slice that includes both the system:authenticated and system:unauthenticated user groups matches every request. Required.

Type

`array`

.spec.rules[].subjects[]

Description

Subject matches the originator of a request, as identified by the request authentication system. There are three ways of matching an originator; by user, group, or service account.

Type

`object`

Required

• kind

Property	Type	Description
group	object	GroupSubject holds detailed information for group-kind subject.
kind	string	kind indicates which one of the other fields is non-empty. Required
serviceAccount	object	ServiceAccountSubject holds detailed information for service-account-kind subject.
user	object	UserSubject holds detailed information for user-kind subject.

.spec.rules[].subjects[].group

Description

GroupSubject holds detailed information for group-kind subject.

Type

`object`

Required

• name

Property	Type	Description
name	string	name is the user group that matches, or "*" to match all user groups. See https://github.com/kubernetes/apiserver/blob/master/pkg/authentication/user/user.go for some well-known group names. Required.

.spec.rules[].subjects[].serviceAccount

Description

ServiceAccountSubject holds detailed information for service-account-kind subject.

Type

`object`

Required

• namespace
• name

Property	Type	Description
name	string	name is the name of matching ServiceAccount objects, or "*" to match regardless of name. Required.
namespace	string	namespace is the namespace of matching ServiceAccount objects. Required.

.spec.rules[].subjects[].user

Description

UserSubject holds detailed information for user-kind subject.

Type

`object`

Required

• name

Property	Type	Description
name	string	name is the username that matches, or "*" to match all usernames. Required.

.status

Description

FlowSchemaStatus represents the current state of a FlowSchema.

Type

`object`

Property	Type	Description
conditions	array	conditions is a list of the current states of FlowSchema.
conditions[]	object	FlowSchemaCondition describes conditions for a FlowSchema.

.status.conditions

Description

conditions is a list of the current states of FlowSchema.

Type

`array`

.status.conditions[]

Description

FlowSchemaCondition describes conditions for a FlowSchema.

Type

`object`

Property	Type	Description
lastTransitionTime	Time	lastTransitionTime is the last time the condition transitioned from one status to another.
message	string	message is a human-readable message indicating details about last transition.
reason	string	reason is a unique, one-word, CamelCase reason for the condition’s last transition.
status	string	status is the status of the condition. Can be True, False, Unknown. Required.
type	string	type is the type of the condition. Required.

API endpoints

The following API endpoints are available:

• /apis/flowcontrol.apiserver.k8s.io/v1/flowschemas

  • DELETE: delete collection of FlowSchema
  • GET: list or watch objects of kind FlowSchema
  • POST: create a FlowSchema

• /apis/flowcontrol.apiserver.k8s.io/v1/watch/flowschemas

  • GET: watch individual changes to a list of FlowSchema. deprecated: use the 'watch' parameter with a list operation instead.

• /apis/flowcontrol.apiserver.k8s.io/v1/flowschemas/{name}

  • DELETE: delete a FlowSchema
  • GET: read the specified FlowSchema
  • PATCH: partially update the specified FlowSchema
  • PUT: replace the specified FlowSchema

• /apis/flowcontrol.apiserver.k8s.io/v1/watch/flowschemas/{name}

  • GET: watch changes to an object of kind FlowSchema. deprecated: use the 'watch' parameter with a list operation instead, filtered to a single item with the 'fieldSelector' parameter.

• /apis/flowcontrol.apiserver.k8s.io/v1/flowschemas/{name}/status

  • GET: read status of the specified FlowSchema
  • PATCH: partially update status of the specified FlowSchema
  • PUT: replace status of the specified FlowSchema

/apis/flowcontrol.apiserver.k8s.io/v1/flowschemas

HTTP method

`DELETE`

Description

delete collection of FlowSchema

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

HTTP responses

HTTP code	Reponse body
200 - OK	Status schema
401 - Unauthorized	Empty

HTTP method

`GET`

Description

list or watch objects of kind FlowSchema

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchemaList schema
401 - Unauthorized	Empty

HTTP method

`POST`

Description

create a FlowSchema

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.

Body parameters

Parameter	Type	Description
body	FlowSchema schema

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
201 - Created	FlowSchema schema
202 - Accepted	FlowSchema schema
401 - Unauthorized	Empty

/apis/flowcontrol.apiserver.k8s.io/v1/watch/flowschemas

HTTP method

`GET`

Description

watch individual changes to a list of FlowSchema. deprecated: use the 'watch' parameter with a list operation instead.

HTTP responses

HTTP code	Reponse body
200 - OK	WatchEvent schema
401 - Unauthorized	Empty

/apis/flowcontrol.apiserver.k8s.io/v1/flowschemas/{name}

Global path parameters

Parameter	Type	Description
name	string	name of the FlowSchema

HTTP method

`DELETE`

Description

delete a FlowSchema

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

HTTP responses

HTTP code	Reponse body
200 - OK	Status schema
202 - Accepted	Status schema
401 - Unauthorized	Empty

HTTP method

`GET`

Description

read the specified FlowSchema

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
401 - Unauthorized	Empty

HTTP method

`PATCH`

Description

partially update the specified FlowSchema

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.

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
201 - Created	FlowSchema schema
401 - Unauthorized	Empty

HTTP method

`PUT`

Description

replace the specified FlowSchema

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.

Body parameters

Parameter	Type	Description
body	FlowSchema schema

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
201 - Created	FlowSchema schema
401 - Unauthorized	Empty

/apis/flowcontrol.apiserver.k8s.io/v1/watch/flowschemas/{name}

Global path parameters

Parameter	Type	Description
name	string	name of the FlowSchema

HTTP method

`GET`

Description

watch changes to an object of kind FlowSchema. deprecated: use the 'watch' parameter with a list operation instead, filtered to a single item with the 'fieldSelector' parameter.

HTTP responses

HTTP code	Reponse body
200 - OK	WatchEvent schema
401 - Unauthorized	Empty

/apis/flowcontrol.apiserver.k8s.io/v1/flowschemas/{name}/status

Global path parameters

Parameter	Type	Description
name	string	name of the FlowSchema

HTTP method

`GET`

Description

read status of the specified FlowSchema

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
401 - Unauthorized	Empty

HTTP method

`PATCH`

Description

partially update status of the specified FlowSchema

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.

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
201 - Created	FlowSchema schema
401 - Unauthorized	Empty

HTTP method

`PUT`

Description

replace status of the specified FlowSchema

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.

Body parameters

Parameter	Type	Description
body	FlowSchema schema

HTTP responses

HTTP code	Reponse body
200 - OK	FlowSchema schema
201 - Created	FlowSchema schema
401 - Unauthorized	Empty