Pepr SDK

  2 minute read  

To use, import the sdk from the pepr package:

import { sdk } from "pepr";

containers

Returns list of all containers in a pod. Accepts the following parameters:

  • @param peprValidationRequest The request/pod to get the containers from
  • @param containerType The type of container to get

Usage:

Get all containers

const { containers } = sdk;
let result = containers(peprValidationRequest)

Get only the standard containers

const { containers } = sdk;
let result = containers(peprValidationRequest, "containers")

Get only the init containers

const { containers } = sdk;
let result = containers(peprValidationRequest, "initContainers")

Get only the ephemeral containers

const { containers } = sdk;
let result = containers(peprValidationRequest, "ephemeralContainers")

getOwnerRefFrom

Returns the owner reference for a Kubernetes resource as an array. Accepts the following parameters:

  • @param kubernetesResource: GenericKind The Kubernetes resource to get the owner reference for
  • @param blockOwnerDeletion: boolean If true, AND if the owner has the “foregroundDeletion” finalizer, then the owner cannot be deleted from the key-value store until this reference is removed.
  • @param controller: boolean If true, this reference points to the managing controller.

Usage:

const { getOwnerRefFrom } = sdk;
const ownerRef = getOwnerRefFrom(kubernetesResource);

writeEvent

Write a K8s event for a CRD. Accepts the following parameters:

  • @param kubernetesResource: GenericKind The Kubernetes resource to write the event for
  • @param event The event to write, should contain a human-readable message for the event
  • @param eventType The type of event to write, for example “Warning”
  • @param eventReason The reason for the event, for example “ReconciliationFailed”
  • @param reportingComponent The component that is reporting the event, for example “uds.dev/operator”
  • @param reportingInstance The instance of the component that is reporting the event, for example process.env.HOSTNAME

Usage:

const { writeEvent } = sdk;
writeEvent(
  kubernetesResource,
  event,
  "Warning",
  "ReconciliationFailed",
  "uds.dev/operator",
  process.env.HOSTNAME,
);

sanitizeResourceName

Returns a sanitized resource name to make the given name a valid Kubernetes resource name. Accepts the following parameter:

  • @param resourceName The name of the resource to sanitize

Usage:

const { sanitizeResourceName } = sdk;
const sanitizedResourceName = sanitizeResourceName(resourceName)

See Also

Looking for information on the Pepr mutate helpers? See Mutate Helpers for information on those.