67 lines
1.9 KiB
Plaintext
67 lines
1.9 KiB
Plaintext
#!/sbin/openrc-run
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# These two facilitate the bindir variable substitution below.
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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# This is a custom variable, and has the following default value if a
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# specific config file is not defined by the user.
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: ${NAGIOS_CONFIG:="@sysconfdir@/nagios.cfg"}
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# The rest are OpenRC variables.
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extra_commands="checkconfig"
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extra_started_commands="reload"
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# We put "--daemon" in command_args and not command_args_background
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# because the latter interacts weirdly with the config file argument.
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command="@bindir@/nagios"
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command_args="--daemon ${NAGIOS_CONFIG}"
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pidfile="@subsyslockfile@"
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depend(){
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# Most daemons don't really *need* the network; they're happy with
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# the loopback interface. However, nagios might start generating
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# "EVERYTHING IS DOWN" alerts if it starts before the real live
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# network comes up.
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need net
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use logger
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after mysql postgresql
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}
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reload(){
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checkconfig || return $?
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ebegin "Reloading configuration"
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start-stop-daemon --signal HUP --pidfile "${pidfile}"
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eend $?
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}
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checkconfig(){
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ebegin "Verifying config files"
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# Save the output in case verification fails and errors are printed.
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OUTPUT=$( ${command} --verify-config "${NAGIOS_CONFIG}" )
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# Save the exit code from the verification so that `echo` doesn't
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# clobber it. Then, if verification failed, show its
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# output. Otherwise, succeed quietly.
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local exit_code=$?
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[ $exit_code -ne 0 ] && echo "${OUTPUT}" >&2
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eend $exit_code
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}
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start_pre() {
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# Without this, the "start" action will appear to succeed even if
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# the config file contains errors, and the daemon fails to start.
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# Another approach would be to wait for the PID file to appear, but
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# this is fast enough and feels cleaner.
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checkconfig || return $?
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}
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stop_pre() {
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# If this is a restart, check to make sure the user's config
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# isn't busted before we stop the running daemon.
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if [ "${RC_CMD}" = "restart" ] ; then
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checkconfig || return $?
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fi
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}
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