k8s_manual_cron — Run a configured cronjob now

k8s_manual_cron

#!/bin/bash
# k8s_manual_cron - Run a configured cronjob now
set -euo pipefail
IFS=$'\n\t'

# shellcheck disable=SC2155
main() {
  readonly cronjob_name="$1"
  local cronjob="$(kubectl get cronjob "$cronjob_name" -o json)"
  local jobTemplate="$(printf "%s" "$cronjob" | jq -c .spec.jobTemplate.spec)"
  local name="manualrun-$cronjob_name-$(date "+%Y%m%d%H%M")"
  local job_yaml="$(cat <<EOM
apiVersion: batch/v1
kind: Job
metadata:
  name: $name
spec: $jobTemplate
EOM
)"
  echo "$job_yaml" | kubectl apply -f - --validate
}

main "$@"

Yes! I'm using JSON in a YAML document. Sue me! 😄