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apiVersion: deckhouse.io/v1alpha1
kind: NodeGroupConfiguration
metadata:
  name: containerd-dvcr-config.sh
spec:
  weight: 49
  nodeGroups: ["*"]
  bundles: ["*"]
  content: |
    mkdir -p /etc/containerd/conf.d

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#!/usr/bin/env bash

export namespace=d8-virtualization
export labels=("operator.kubevirt.io" "operator.cdi.kubevirt.io" "kubevirt.io" "cdi.kubevirt.io")
export namespaces=(d8-cdi ${namespace})

# We need to delete kubevirt resource before operator!
kubectl -n ${namespace} delete kubevirt kubevirt --force --grace-period=0
kubectl -n ${namespace} patch kubevirt kubevirt --type=json -p '[{ "op": "remove", "path": "/metadata/finalizers" }]'

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apiVersion: v1
kind: Namespace
metadata:
  name: vms
---
apiVersion: cdi.kubevirt.io/v1beta1
kind: DataVolume
metadata:
  annotations:
    cdi.kubevirt.io/storage.bind.immediate.requested: ""

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Kubernetes

Books / Links

• Kubernetes in Action, Marko Lukša En, Ru

• Core Kubernetes, Jay Vyas and Chris Love En, Ru

• Kubernetes Programming with Go En

• Docs: https://kubernetes.io/docs/home

• Dev docs: https://github.com/kubernetes/community/tree/master/contributors/devel

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## Screenshots
https://www.reddit.com/r/swaywm/comments/hczg3k/comment/fx9ur54/?utm_source=share&utm_medium=web2x&context=3

mode "print" {
    bindsym y exec grim -g "$(slurp)" - | wl-copy; mode "default"
    bindsym g exec grim -g "$(slurp)" "$(xdg-user-dir PICTURES)/Grimshot $(date +%c).png"; mode "default"
    bindsym s exec grim -g "$(slurp)" - | swappy -f -; mode "default"
    bindsym w exec swaymsg -t get_tree | jq -r '.. | (.nodes? // empty)[] | select(.focused) | "\(.rect.x),\(.rect.y) \(.rect.width)x\(.rect.height)"' | grim -g - - | swappy -f -; mode "default"
    bindsym Escape mode "default"
}

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# Workaround for GTK apps hanging during init
# See https://github.com/swaywm/sway/wiki#gtk-applications-take-20-seconds-to-start
# See https://github.com/swaywm/sway/issues/5732
exec systemctl --user import-environment DISPLAY WAYLAND_DISPLAY SWAYSOCK
exec dbus-update-activation-environment 2>/dev/null && \
     dbus-update-activation-environment --systemd DISPLAY WAYLAND_DISPLAY SWAYSOCK
# End of workaround

# Your preferred terminal emulator
set $term terminator

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```bash
kubectl get pods -n test echo-lim-1000m-req-1000m -o json | jq '.spec.nodeName' -r                                                                          virt/vms ⎈     14:14:00   
# virtlab-pt-1

kubectl get nodes $(kubectl get pods -n test echo-lim-1000m-req-1000m -o json | jq '.spec.nodeName' -r) -o json | jq '.status.addresses[] | select(.type=="InternalIP") | .address' -r
# 172.18.18.21

kubectl get pods -n test echo-lim-1000m-req-1000m -o json | jq '.status.containerStatuses[0].containerID | split("://")[1]' -r                     virt/vms ⎈  SIGINT(2) ↵  14:16:52   
# b11ef417a0240e9e95cb4eb6cb0263a5f2f771ec8e10fc1d0f9abee4578f87ba

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kubectl get nodes -o json | jq -rc '.items[].status.addresses | reduce .[] as $node ({}; . + { "\($node.type)": "\($node.address)" })'

# output example:

# {"InternalIP":"192.168.199.238","ExternalIP":"172.16.66.221","Hostname":"dev0-istio-f6dfc5a3-78d85-bwzgf"}
# {"InternalIP":"192.168.199.42","ExternalIP":"172.16.66.46","Hostname":"dev0-worker-f6dfc5a3-86445-7db72"}

kubectl get nodes -o json 2>/dev/null | jq '[ .items[] | {int: .status.addresses[] | select(.type=="InternalIP") | .address , ext: .status.addresses[] | select(.type=="ExternalIP") | .address, name: .metadata.name } ]'

# !!! It doesn't work if ExternalIP does not exist

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#!/usr/bin/env bash

orange=$(tput setaf 3)
green=$(tput setaf 2)
red=$(tput setaf 1)
sgr0=$(tput sgr0)

if [[ ${1} != "" ]]; then
  if ! kubectl get namespace ${1} >/dev/null 2>&1; then echo "Namespace ${1} doesn't exist"; exit; fi
fi

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// SRC: https://www.zhaohuabing.com/post/2023-03-09-how-to-create-a-k8s-controller/
package main

import (
	"flag"
	"fmt"
	"k8s.io/apimachinery/pkg/api/errors"
	"k8s.io/client-go/informers"
	"time"