frrinit.sh
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if [ -r "/lib/lsb/init-functions" ]; then . /lib/lsb/init-functions else log_success_msg() { echo "$@" } log_warning_msg() { echo "$@" >&2 } log_failure_msg() { echo "$@" >&2 } fi # "/usr/lib/frr/frrinit.sh start somenamespace" FRR_PATHSPACE="$2" self="`dirname $0`" if [ -r "$self/frrcommon.sh" ]; then . "$self/frrcommon.sh" else . "@CFG_SBIN@/frrcommon.sh" fi case "$1" in start) daemon_list daemons watchfrr_options="$watchfrr_options $daemons" daemon_start watchfrr ;; stop) daemon_stop watchfrr all_stop --reallyall exit ${still_running:-0} ;; restart|force-reload) daemon_stop watchfrr all_stop --reallyall daemon_list daemons watchfrr_options="$watchfrr_options $daemons" daemon_start watchfrr ;; status) fail=0 print_status watchfrr || fail=1 all_status || fail=1 exit $fail ;; reload) if [ ! -x "$RELOAD_SCRIPT" ]; then log_failure_msg "The frr-pythontools package is required for reload functionality." exit 1 fi # systemd doesn't set WATCHDOG_USEC for reload commands. watchfrr_pidfile="$V_PATH/watchfrr.pid" watchfrr_pid="`cat \"$watchfrr_pidfile\"`" watchfrr_cmdline="`tr '\0' '\n' < /proc/$watchfrr_pid/cmdline`" if [ -d "/proc/$watchfrr_pid" ]; then wdt="`tr '\0' '\n' < /proc/$watchfrr_pid/environ | grep '^WATCHDOG_USEC='`" wdt="${wdt#WATCHDOG_USEC=}" [ -n "$wdt" ] && : ${WATCHDOG_USEC:=$wdt} [ -n "$WATCHDOG_USEC" ] && export WATCHDOG_USEC fi # restart watchfrr to pick up added daemons. # NB: This will NOT cause the other daemons to be restarted. daemon_list enabled_daemons disabled_daemons watchfrr_options="$watchfrr_options $enabled_daemons" daemon_stop watchfrr && \ daemon_start watchfrr # If we disable an arbitrary daemon and do reload, # disabled daemon is still running and we should stop it. for daemon in $disabled_daemons; do if grep -q "$daemon" <<< "$watchfrr_cmdline"; then daemon_stop "$daemon" & pids="$pids $!" fi done for pid in $pids; do wait "$pid" done # make systemd not kill watchfrr after ExecReload completes # 3 goats were sacrificed to restore sanity after coding this watchfrr_pid="`cat \"$watchfrr_pidfile\"`" if [ -f "/proc/$watchfrr_pid/cgroup" -a -d "/sys/fs/cgroup/systemd" ]; then cg="`egrep '^[0-9]+:name=systemd:' \"/proc/$watchfrr_pid/cgroup\"`" cg="${cg#*:*:}" cgmain="$cg" cgmain="${cgmain%/.control}" cgmain="${cgmain%/control}" [ -n "$cg" -a "$cg" != "$cgmain" ] && \ echo "$watchfrr_pid" > "/sys/fs/cgroup/systemd/$cgmain/tasks" fi NEW_CONFIG_FILE="${2:-$C_PATH/frr.conf}" [ ! -r $NEW_CONFIG_FILE ] && log_failure_msg "Unable to read new configuration file $NEW_CONFIG_FILE" && exit 1 "$RELOAD_SCRIPT" --reload --bindir "$D_PATH" --confdir "$C_PATH" --rundir "$V_PATH" "$NEW_CONFIG_FILE" `echo $nsopt` exit $? ;; *) echo "Usage:" echo " ${0} <start|stop|restart|force-reload|reload|status> [namespace]" echo " ${0} stop namespace1" exit 1 ;; esacView Code
if [ -r "/lib/lsb/init-functions" ]; then 检查后面的文件是否可读,-read . /lib/lsb/init-functions 如果可读,就包含进来,语法为. file,点和file之间有个空格,点也可以写为source else log_success_msg() { echo "$@" } fi
标签:daemon,shell,--,stop,echo,watchfrr,linux,daemons From: https://www.cnblogs.com/yanhc/p/16970383.html