alpine-overlay/kubezero/zdt-base/cloudbender.init

#!/sbin/openrc-run
# vim:set ts=8 noet ft=sh:
#

description="CloudBender - setup meta_data, mount additional volumes, send shutdown messages"

depend() {
  need net
  before sshd
  after tiny-cloud-main
}

start() {
  source /usr/lib/cloudbender/common.sh

  get_meta_data
  import_meta_data

  # various initial OS tweaks
  setup_instance

  # mount extra optional volumes
  mount_volumes "$VOLUMES"

  # add optional ssh keys, eg. via IAM for AWS
  configure_sshd

  set_hostname $CUSTOMHOSTNAME

  # if fixed hostname use persistent sshd keys
  [ -n "$CUSTOMHOSTNAME" ] && persistent_sshd_hostkeys "/_ssh/${ARTIFACT}/${CONGLOMERATE}/${HOSTNAME}"

  associate_eip $INSTANCE_ID $ELASTICIP && PUBLIC_IP_ADDRESS=$ELASTICIP

  register_service_dns

  is_enabled $LOGGING_ENABLED && setup_fluentbit $LOGGING_HOST

  # cleanup previous reboot logs
  rm -f /tmp/shutdown.log

  eend 0
}


stop() {
  source /usr/lib/cloudbender/common.sh

  import_meta_data

  unmount_volumes "$VOLUMES"

  [ -n "$DEBUG" ] && [ -r /tmp/shutdown.log ] && SHUTDOWNLOG="$(cat /tmp/shutdown.log)"

  [ -n "$RC_REBOOT" ] && ACTION="rebooting" || ACTION="terminated"
  [ -z "$DISABLE_SCALING_EVENTS" ] && /var/lib/cloud/sns_alarm.sh "Instance $ACTION" "" Info "$SHUTDOWNLOG"

  eend 0
}