tools/frrinit.sh.in

   1 #!/bin/bash
   2 #
   3 ### BEGIN INIT INFO
   4 # Provides: frr
   5 # Required-Start: $local_fs $network $remote_fs $syslog
   6 # Required-Stop: $local_fs $network $remote_fs $syslog
   7 # Default-Start:  2 3 4 5
   8 # Default-Stop: 0 1 6
   9 # Short-Description: start and stop the FRR routing suite
  10 # Description: FRR is a routing suite for IP routing protocols like
  11 #              BGP, OSPF, RIP and others. This script contols the main
  12 #              "watchfrr" daemon.
  13 ### END INIT INFO
  14 #
  15 # This is the main init script for FRR.  It mostly wraps frrcommon.sh which
  16 # provides the actual functions to start/stop/restart things.
  17 #
  18
  19 if [ -r "/lib/lsb/init-functions" ]; then
  20         . /lib/lsb/init-functions
  21 else
  22         log_success_msg() {
  23                 echo "$@"
  24         }
  25         log_warning_msg() {
  26                 echo "$@" >&2
  27         }
  28         log_failure_msg() {
  29                 echo "$@" >&2
  30         }
  31 fi
  32
  33 # "/usr/lib/frr/frrinit.sh start somenamespace"
  34 FRR_PATHSPACE="$2"
  35
  36 self="`dirname $0`"
  37 if [ -r "$self/frrcommon.sh" ]; then
  38         . "$self/frrcommon.sh"
  39 else
  40         . "@CFG_SBIN@/frrcommon.sh"
  41 fi
  42
  43 case "$1" in
  44 start)
  45         daemon_list daemons
  46         watchfrr_options="$watchfrr_options $daemons"
  47         daemon_start watchfrr
  48         ;;
  49 stop)
  50         daemon_stop watchfrr
  51         all_stop --reallyall
  52         exit ${still_running:-0}
  53         ;;
  54
  55 restart|force-reload)
  56         daemon_stop watchfrr
  57         all_stop --reallyall
  58
  59         daemon_list daemons
  60         watchfrr_options="$watchfrr_options $daemons"
  61         daemon_start watchfrr
  62         ;;
  63
  64 status)
  65         fail=0
  66         print_status watchfrr || fail=1
  67         all_status || fail=1
  68         exit $fail
  69         ;;
  70
  71 reload)
  72         if [ ! -x "$RELOAD_SCRIPT" ]; then
  73                 log_failure_msg "The frr-pythontools package is required for reload functionality."
  74                 exit 1
  75         fi
  76
  77         # systemd doesn't set WATCHDOG_USEC for reload commands.
  78         watchfrr_pidfile="$V_PATH/watchfrr.pid"
  79         watchfrr_pid="`cat \"$watchfrr_pidfile\"`"
  80         if [ -d "/proc/$watchfrr_pid" ]; then
  81                 wdt="`tr '\0' '\n' < /proc/$watchfrr_pid/environ | grep '^WATCHDOG_USEC='`"
  82                 wdt="${wdt#WATCHDOG_USEC=}"
  83                 [ -n "$wdt" ] && : ${WATCHDOG_USEC:=$wdt}
  84                 [ -n "$WATCHDOG_USEC" ] && export WATCHDOG_USEC
  85         fi
  86
  87         # restart watchfrr to pick up added daemons.
  88         # NB: This will NOT cause the other daemons to be restarted.
  89         daemon_list daemons
  90         watchfrr_options="$watchfrr_options $daemons"
  91         daemon_stop watchfrr && \
  92                 daemon_start watchfrr
  93
  94         # make systemd not kill watchfrr after ExecReload completes
  95         # 3 goats were sacrificed to restore sanity after coding this
  96         watchfrr_pid="`cat \"$watchfrr_pidfile\"`"
  97         if [ -f "/proc/$watchfrr_pid/cgroup" -a -d "/sys/fs/cgroup/systemd" ]; then
  98                 cg="`egrep '^[0-9]+:name=systemd:' \"/proc/$watchfrr_pid/cgroup\"`"
  99                 cg="${cg#*:*:}"
 100
 101                 cgmain="$cg"
 102                 cgmain="${cgmain%/.control}"
 103                 cgmain="${cgmain%/control}"
 104
 105                 [ -n "$cg" -a "$cg" != "$cgmain" ] && \
 106                         echo "$watchfrr_pid" > "/sys/fs/cgroup/systemd/$cgmain/tasks"
 107         fi
 108
 109         NEW_CONFIG_FILE="${2:-$C_PATH/frr.conf}"
 110         [ ! -r $NEW_CONFIG_FILE ] && log_failure_msg "Unable to read new configuration file $NEW_CONFIG_FILE" && exit 1
 111         "$RELOAD_SCRIPT" --reload "$NEW_CONFIG_FILE" `echo $nsopt`
 112         exit $?
 113         ;;
 114
 115 *)
 116         log_failure_msg "Unknown command: $1" >&2
 117         exit 1
 118 esac