timebertt

List all pulled images in a cluster with their supported platforms

This script lists all images that are present on any of the cluster's nodes and determines the platforms supported by the image. It uses the crane tool for detecting supported platforms.

Usage

Example usage:

timebertt

#!/bin/bash

set -o errexit
set -o nounset
set -o pipefail

extension="$(basename "$PWD")"
platform=$(echo "${extension#gardener-extension-provider-}" | sed 's/packet/equinix-metal/')

echo ">>> Revendoring $extension"

timebertt

// json merge patch + optimistic locking
patch := client.MergeFromWithOptions(shoot.DeepCopy(), client.MergeFromWithOptimisticLock{})
// ...

// strategic merge patch + optimistic locking
patch = client.StrategicMergeFrom(shoot.DeepCopy(), client.MergeFromWithOptimisticLock{})
// ...

timebertt

var (
  ctx   context.Context
  c     client.Client
  shoot *gardencorev1beta1.Shoot
)

// update
shoot.Spec.Kubernetes.Version = "1.22"
err := c.Update(ctx, shoot)

timebertt

{
  "kind": "Status",
  "apiVersion": "v1",
  "metadata": {},
  "status": "Failure",
  "message": "Operation cannot be fulfilled on configmaps \"foo\": the object has been modified; please apply your changes to the latest version and try again",
  "reason": "Conflict",
  "details": {
    "name": "foo",
    "kind": "configmaps"

timebertt

var (
  ctx     context.Context
  c       client.Client                         // "sigs.k8s.io/controller-runtime/pkg/client"
  podList = &metav1.PartialObjectMetadataList{} // "k8s.io/apimachinery/pkg/apis/meta/v1"
)
podList.SetGroupVersionKind(corev1.SchemeGroupVersion.WithKind("PodList")) // "k8s.io/api/core/v1"

if err := c.List(ctx, podList, client.InNamespace("my-namespace"), client.Limit(1)); err != nil {
  return err
}

timebertt

var (
  ctx        context.Context
  c          client.Client            // "sigs.k8s.io/controller-runtime/pkg/client"
  deployment *appsv1.Deployment       // "k8s.io/api/apps/v1"
  shoot      *gardencorev1beta1.Shoot // "github.com/gardener/gardener/pkg/apis/core/v1beta1"
)

err := c.Update(ctx, deployment)
// or
err = c.Update(ctx, shoot)

timebertt

var (
  ctx   context.Context
  c     gardencoreclientset.Interface // "github.com/gardener/gardener/pkg/client/core/clientset/versioned"
  shoot *gardencorev1beta1.Shoot      // "github.com/gardener/gardener/pkg/apis/core/v1beta1"
)

updatedShoot, err := c.CoreV1beta1().Shoots("garden-eden").Update(ctx, shoot, metav1.UpdateOptions{})

timebertt

var (
  ctx        context.Context
  c          kubernetes.Interface // "k8s.io/client-go/kubernetes"
  deployment *appsv1.Deployment   // "k8s.io/api/apps/v1"
)

updatedDeployment, err := c.AppsV1().Deployments("default").Update(ctx, deployment, metav1.UpdateOptions{})

timebertt

#!/usr/bin/env bash

set -o errexit
set -o nounset
set -o pipefail

if [ -z "${SEED_KUBECONFIG:-}" ] ; then
  >&2 echo "Please point the SEED_KUBECONFIG env var to the kubeconfig for the seed you want to fix"
  exit 1
fi