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event [events.k8s.io/v1]

Description

event is a report of an event somewhere in the cluster. It generally denotes some state change in the system. events have a limited retention time and triggers and messages may evolve with time. event consumers should not rely on the timing of an event with a given Reason reflecting a consistent underlying trigger, or the continued existence of events with that Reason. events should be treated as informative, best-effort, supplemental data.

Type

object

Required

  • eventTime

Specification

Property Type Description

action

string

action is what action was taken/failed regarding to the regarding object. It is machine-readable. This field cannot be empty for new events and it can have at most 128 characters.

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

deprecatedCount

integer

deprecatedCount is the deprecated field assuring backward compatibility with core.v1 event type.

deprecatedFirstTimestamp

Time

deprecatedFirstTimestamp is the deprecated field assuring backward compatibility with core.v1 event type.

deprecatedLastTimestamp

Time

deprecatedLastTimestamp is the deprecated field assuring backward compatibility with core.v1 event type.

deprecatedSource

eventSource

deprecatedSource is the deprecated field assuring backward compatibility with core.v1 event type.

eventTime

MicroTime

eventTime is the time when this event was first observed. It is required.

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

note

string

note is a human-readable description of the status of this operation. Maximal length of the note is 1kB, but libraries should be prepared to handle values up to 64kB.

reason

string

reason is why the action was taken. It is human-readable. This field cannot be empty for new events and it can have at most 128 characters.

regarding

ObjectReference

regarding contains the object this event is about. In most cases it’s an Object reporting controller implements, e.g. ReplicaSetController implements ReplicaSets and this event is emitted because it acts on some changes in a ReplicaSet object.

related

ObjectReference

related is the optional secondary object for more complex actions. e.g. when regarding object triggers a creation or deletion of related object.

reportingController

string

reportingController is the name of the controller that emitted this event, e.g. kubernetes.io/kubelet. This field cannot be empty for new events.

reportingInstance

string

reportingInstance is the ID of the controller instance, e.g. kubelet-xyzf. This field cannot be empty for new events and it can have at most 128 characters.

series

object

eventSeries contain information on series of events, i.e. thing that was/is happening continuously for some time. How often to update the eventSeries is up to the event reporters. The default event reporter in "k8s.io/client-go/tools/events/event_broadcaster.go" shows how this struct is updated on heartbeats and can guide customized reporter implementations.

type

string

type is the type of this event (Normal, Warning), new types could be added in the future. It is machine-readable. This field cannot be empty for new events.

.series

Description

eventSeries contain information on series of events, i.e. thing that was/is happening continuously for some time. How often to update the eventSeries is up to the event reporters. The default event reporter in "k8s.io/client-go/tools/events/event_broadcaster.go" shows how this struct is updated on heartbeats and can guide customized reporter implementations.

Type

object

Required

  • count

  • lastObservedTime

Property Type Description

count

integer

count is the number of occurrences in this series up to the last heartbeat time.

lastObservedTime

MicroTime

lastObservedTime is the time when last event from the series was seen before last heartbeat.

API endpoints

The following API endpoints are available:

  • /apis/events.k8s.io/v1/events

    • GeT: list or watch objects of kind event

  • /apis/events.k8s.io/v1/watch/events

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

  • /apis/events.k8s.io/v1/namespaces/{namespace}/events

    • DeLeTe: delete collection of event

    • GeT: list or watch objects of kind event

    • POST: create an event

  • /apis/events.k8s.io/v1/watch/namespaces/{namespace}/events

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

  • /apis/events.k8s.io/v1/namespaces/{namespace}/events/{name}

    • DeLeTe: delete an event

    • GeT: read the specified event

    • PATCH: partially update the specified event

    • PUT: replace the specified event

  • /apis/events.k8s.io/v1/watch/namespaces/{namespace}/events/{name}

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

/apis/events.k8s.io/v1/events

HTTP method

GeT

Description

list or watch objects of kind event

Table 1. HTTP responses
HTTP code Reponse body

200 - OK

eventList schema

401 - Unauthorized

empty

/apis/events.k8s.io/v1/watch/events

HTTP method

GeT

Description

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

Table 2. HTTP responses
HTTP code Reponse body

200 - OK

Watchevent schema

401 - Unauthorized

empty

/apis/events.k8s.io/v1/namespaces/{namespace}/events

HTTP method

DeLeTe

Description

delete collection of event

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
Table 4. HTTP responses
HTTP code Reponse body

200 - OK

Status schema

401 - Unauthorized

empty
HTTP method

GeT

Description

list or watch objects of kind event

Table 5. HTTP responses
HTTP code Reponse body

200 - OK

eventList schema

401 - Unauthorized

empty
HTTP method

POST

Description

create an event

Table 6. 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 7. Body parameters
Parameter Type Description

body

event schema
Table 8. HTTP responses
HTTP code Reponse body

200 - OK

event schema

201 - Created

event schema

202 - Accepted

event schema

401 - Unauthorized

empty

/apis/events.k8s.io/v1/watch/namespaces/{namespace}/events

HTTP method

GeT

Description

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

Table 9. HTTP responses
HTTP code Reponse body

200 - OK

Watchevent schema

401 - Unauthorized

empty

/apis/events.k8s.io/v1/namespaces/{namespace}/events/{name}

Table 10. Global path parameters
Parameter Type Description

name

string

name of the event
HTTP method

DeLeTe

Description

delete an event

Table 11. 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 12. HTTP responses
HTTP code Reponse body

200 - OK

Status schema

202 - Accepted

Status schema

401 - Unauthorized

empty
HTTP method

GeT

Description

read the specified event

Table 13. HTTP responses
HTTP code Reponse body

200 - OK

event schema

401 - Unauthorized

empty
HTTP method

PATCH

Description

partially update the specified event

Table 14. 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 15. HTTP responses
HTTP code Reponse body

200 - OK

event schema

201 - Created

event schema

401 - Unauthorized

empty
HTTP method

PUT

Description

replace the specified event

Table 16. 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 17. Body parameters
Parameter Type Description

body

event schema
Table 18. HTTP responses
HTTP code Reponse body

200 - OK

event schema

201 - Created

event schema

401 - Unauthorized

empty

/apis/events.k8s.io/v1/watch/namespaces/{namespace}/events/{name}

Table 19. Global path parameters
Parameter Type Description

name

string

name of the event
HTTP method

GeT

Description

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

Table 20. HTTP responses
HTTP code Reponse body

200 - OK

Watchevent schema

401 - Unauthorized

empty