kubespray/roles/network_plugin/templates/calico/deb-calico.initd.j2

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2016-01-04 21:24:29 +08:00
#!/bin/bash
#
### BEGIN INIT INFO
# Provides: calico-node
# Required-Start: $local_fs $network $syslog
# Required-Stop:
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Calico docker container
# Description:
# Runs calico as a docker container
### END INIT INFO
PATH=/sbin:/usr/sbin:/bin:/usr/bin
DESC="Calico-node Docker"
NAME=calico-node
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DAEMON={{ bin_dir }}/calicoctl
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DAEMON_ARGS=""
DOCKER=$(which docker)
SCRIPTNAME=/etc/init.d/$NAME
DAEMON_USER=root
# Exit if the binary is not present
[ -x "$DAEMON" ] || exit 0
# Exit if the docker package is not installed
[ -x "$DOCKER" ] || exit 0
# Read configuration variable file if it is present
[ -r /etc/network-environment ] && . /etc/network-environment
# 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()
{
if [ $($DOCKER ps | awk '{ print $2 }' | grep calico/node | wc -l) -eq 1 ]; then
return 0
else
return 1
fi
}
# Function that starts the daemon/service
#
do_start()
{
do_status
retval=$?
if [ $retval -ne 0 ]; then
${DAEMON} node --ip=${DEFAULT_IPV4} >>/dev/null && return 0 || return 2
else
return 1
fi
}
#
# Function that stops the daemon/service
#
do_stop()
{
${DAEMON} node stop >> /dev/null || ${DAEMON} node stop --force >> /dev/null
}
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 calico-node"
log_end_msg 1
fi
;;
status)
if do_status; then
log_end_msg 0
else
log_failure_msg "Calico-node 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 Calico-node"
log_end_msg ${rc}
;;
*)
echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
exit 3
;;
esac