kubespray/roles/etcd/templates/deb-etcd-docker.initd.j2

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#!/bin/sh
set -a
### BEGIN INIT INFO
# Provides: etcd
# Required-Start: $local_fs $network $syslog
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: etcd distributed k/v store
# Description:
# etcd is a distributed, consistent key-value store for shared configuration and service discovery
### END INIT INFO
PATH=/sbin:/usr/sbin:/bin/:/usr/bin
DESC="etcd k/v store"
NAME=etcd
DAEMON={{ docker_bin_dir | default("/usr/bin") }}/docker
DAEMON_EXEC=`basename $DAEMON`
DAEMON_ARGS="run --restart=on-failure:5 --env-file=/etc/etcd.env \
--net=host \
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-v /etc/ssl/certs:/etc/ssl/certs:ro \
-v /var/lib/etcd:/var/lib/etcd:rw \
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-v {{ etcd_cert_dir }}:{{ etcd_cert_dir }}:ro \
--name={{ etcd_member_name | default("etcd") }} \
{{ etcd_image_repo }}:{{ etcd_image_tag }} \
{% if etcd_after_v3 %}
{{ etcd_container_bin_dir }}etcd
{% endif %}"
SCRIPTNAME=/etc/init.d/$NAME
DAEMON_USER=root
STOP_SCHEDULE="${STOP_SCHEDULE:-QUIT/5/TERM/5/KILL/5}"
PID=/var/run/etcd.pid
# Exit if the binary is not present
[ -x "$DAEMON" ] || exit 0
# Define LSB log_* functions.
# Depend on lsb-base (>= 3.2-14) to ensure that this file is present
# and status_of_proc is working.
. /lib/lsb/init-functions
do_status()
{
status_of_proc -p $PID "$DAEMON" "$NAME" && exit 0 || exit $?
}
# Function that starts the daemon/service
#
do_start()
{
{{ docker_bin_dir | default("/usr/bin") }}/docker rm -f {{ etcd_member_name | default("etcd-proxy") }} &>/dev/null || true
sleep 1
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start-stop-daemon --background --start --quiet --make-pidfile --pidfile $PID --user $DAEMON_USER --exec $DAEMON -- \
$DAEMON_ARGS \
|| return 2
}
#
# Function that stops the daemon/service
#
do_stop()
{
start-stop-daemon --stop --quiet --retry=$STOP_SCHEDULE --pidfile $PID --name $DAEMON_EXEC
RETVAL="$?"
sleep 1
return "$RETVAL"
}
case "$1" in
start)
log_daemon_msg "Starting $DESC" "$NAME"
do_start
case "$?" in
0|1) log_end_msg 0 || exit 0 ;;
2) log_end_msg 1 || exit 1 ;;
esac
;;
stop)
log_daemon_msg "Stopping $DESC" "$NAME"
if do_stop; then
log_end_msg 0
else
log_failure_msg "Can't stop etcd"
log_end_msg 1
fi
;;
status)
if do_status; then
log_end_msg 0
else
log_failure_msg "etcd is not running"
log_end_msg 1
fi
;;
restart|force-reload)
log_daemon_msg "Restarting $DESC" "$NAME"
if do_stop; then
if do_start; then
log_end_msg 0
exit 0
else
rc="$?"
fi
else
rc="$?"
fi
log_failure_msg "Can't restart etcd"
log_end_msg ${rc}
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac