master-restart

#!/bin/bash
set -euo pipefail

# Restart the named component by stopping its base container.
if [[ -z "${1-}" ]]; then
  echo "A component name like 'api', 'etcd', or 'controllers' must be specified." 1>&2
  exit 1
fi

types=( "atomic-openshift" "origin" )
for type in "${types[@]}"; do
  if systemctl cat "${type}-master-${1}.service" &>/dev/null; then
    systemctl restart "${type}-master-${1}.service"
    exit 0
  fi
done

pod=$(crictl pods -l -q --label "openshift.io/component=${1}" --label "io.kubernetes.container.name=POD" 2>/dev/null)
if [[ -z "${pod}" ]]; then
  echo "Component ${1} is already stopped" 1>&2
  exit 0
fi
# Stop the pod
# TODO(runcom): expose timeout in the CRI
crictl stopp "${pod}" >/dev/null