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API reference

This page describe the simulator's HTTP API endpoint.

Get scheduler configuration

get current scheduler configuration.

HTTP Request

GET /api/v1/schedulerconfiguration

Response

v1beta2.KubeSchedulerConfiguration

code description
200

Update scheduler configuration

update scheduler configuration and restart scheduler with new configuration.

HTTP Request

POST /api/v1/schedulerconfiguration

Request Body

v1beta2.KubeSchedulerConfiguration

Response

empty

code description
202
500 something went wrong (see logs of the simulator server)

Reset all resources and scheduler configutarion

clean up all resources and restore the initial scheduler configuration. (If you didn't pass the initial scheduler configuration via KUBE_SCHEDULER_CONFIG_PATH, the default scheduler configuration will be restored.)

HTTP Request

PUT /api/v1/reset

Request Body

empty

Response

empty

code description
202
500 something went wrong (see logs of the simulator server)

Export

Get all resources and current scheduler configuration.

HTTP Request

GET /api/v1/export

Response

ResourcesForImport

You can find sample requests/responses here

code description
200
500 something went wrong (see logs of the simulator server)

Import

Apply resources and scheduler configuration.

HTTP Request

POST /api/v1/import

Request Body

ResourcesForImport

You can find sample requests/responses here

Response

code description
200
500 something went wrong (see logs of the simulator server)

Watch the simulator's resources

Watch individual changes to all k8s resources in the simulator. This endpoint uses Server-Sent Events. Once this API is called, the server will be continuously sending WatchEvent every time the event happens.

HTTP Request

GET /api/v1/listwatchresources

Parameter

You can specify the lastResourceVersion of each resource, which can be retrieved using the list API of each resource. If you won't specify it, this API calls the list and returns the result as "ADDED" Events before starting watch.

We recommend to call the list API before the calling and to use XXXlastResourceVersion parameters.

The ResourceVersion must be treated as opaque by clients and passed unmodified back to the server. See also this page.

parameter requirement description
podslastResourceVersion OPTIONAL If not specified, all resources are returned as ADDED Events first and then start to watch.
nodeslastResourceVersion OPTIONAL If not specified, all resources are returned as ADDED Events first and then start to watch.
pvslastResourceVersion OPTIONAL If not specified, all resources are returned as ADDED Events first and then start to watch.
pvcslastResourceVersion OPTIONAL If not specified, all resources are returned as ADDED Events first and then start to watch.
scslastResourceVersion OPTIONAL If not specified, all resources are returned as ADDED Events first and then start to watch.
pcslastResourceVersion OPTIONAL If not specified, all resources are returned as ADDED Events first and then start to watch.

e.g.)

/api/v1/listwatchresources?podslastResourceVersion=213&nodeslastResourceVersion=213&pvslastResourceVersion=213&pvcslastResourceVersion=213&scslastResourceVersion=213&pcslastResourceVersion=213

Response

WatchEvent

code description
200 The response is server push. You should catch the WatchEvent and then handle the data each by each.