kube-alias.zsh

gistfile1.txt

#!/usr/bin/env zsh

if (( $+commands[kubectl] )); then
  source <(kubectl completion zsh)
fi

function env_to_secret() {
  perl -MMIME::Base64 -ne '/^(.*?)=(.*)$/ && printf("$1: %s\n", encode_base64($2, ""))'
}

function kube_decode() {
  for row in $(jq -c '.data | to_entries[]'); do
    KEY=$(echo "${row}" | jq -r '.key')
    DECODED=$(echo "${row}" | jq -r '.value' | base64 --decode)
    echo "${KEY}=${DECODED}"
  done
}

function krunit() {
  local image_to_run="${1:-fedora}"
  [[ $# -gt 0 ]] && shift
  if [[ -z "$@" ]]; then
    set -- bash
  fi
  kubectl run -it --rm --restart=Never \
    --image=${image_to_run} "maintenance-$(head /dev/urandom | tr -dc a-z | head -c 10)" -- "$@"
}

function kcrongetjob() {
  local cronjob_name="$1"
  local namespace="${2:-default}"
  local _json
  _json=$(kubectl -n $namespace get cronjob $cronjob_name -o json --export 2>&1)

  if [ $? -eq 0 ]; then
    echo "{
  \"apiVersion\": \"batch/v1\",
  \"kind\": \"Job\",
  \"metadata\": {
    \"name\": \"$cronjob_name-$(head /dev/urandom | tr -dc a-z | head -c 10)\",
    \"namespace\": \"$namespace\"
  },
  \"spec\": "
    jq --indent 2 .spec.jobTemplate.spec <<< "$_json" | perl -pe 's/^/  /g'
    echo '}'
  else
    echo $_json
  fi
}

alias k='kubectl'

alias kp='kubectl get pods'
alias kpr='kubectl get pods --field-selector=status.phase=Running'
alias kap='kubectl get pods --all-namespaces'
alias kl='kubectl logs'
alias kaf='kubectl apply -f'
alias kdel='kubectl delete'

alias ktp='kubectl top pods'
alias ktn='kubectl top nodes'

alias kcron='kubectl get cronjob'