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#!/sbin/openrc-run

# If you want to run separate master process per pool, then create a symlink
# to this runscript for each pool. In that mode, the php-fpm daemon is started
# as nobody by default. You can override the user (and group) by declaring
# variable "user" and optionally "group" in conf.d file, or in the $fpm_config
# file (the former has precedence).

: ${name:="PHP FastCGI Process Manager"}

command="/usr/sbin/php-fpm7"
command_background="yes"
start_stop_daemon_args="--quiet"
pidfile="/run/$RC_SVCNAME/php-fpm.pid"
retry="SIGTERM/20"

# configtest is here only for backward compatibility
extra_commands="checkconfig configtest"
extra_started_commands="reload reopen"
description_checkconfig="Run php-fpm config check"
description_reload="Gracefully reload workers and config"
description_reopen="Reopen log files"

required_files="$fpm_config"

depend() {
	need net
	use apache2 lighttpd nginx
}

init_vars() {
	# Defaults for single master process with multiple pools
	if [ "$RC_SVCNAME" = "php-fpm7" ]; then
		: ${fpm_config:="/etc/php7/php-fpm.conf"}
		: ${user:="root"}
	# Defaults for master process per pool
	else
		: ${fpm_config="/etc/php7/php-fpm.d/${RC_SVCNAME#php-fpm7.}.conf"}
		: ${user:="$(conf_get user)"}
		: ${user:="nobody"}
		: ${group:="$(conf_get group)"}
	fi
	command_args="--nodaemonize --fpm-config $fpm_config"
	start_stop_daemon_args="$start_stop_daemon_args
		--user $user ${group:+"--group $group"}"
}

start_pre() {
	checkconfig || return 1

	# If unix socket is used (instead of TCP/IP), then ensure that the
	# directory exists and has correct privileges.
	local listen="$(conf_get listen)"
	if [ "${listen:0:1}" = "/" ]; then
		checkpath -d -o $user:$group "$(dirname "$listen")"
	fi

	checkpath -d "$(dirname "$pidfile")"
}

reload() {
	ebegin "Reloading $name"
	start-stop-daemon --signal USR2 --pidfile "$pidfile"
	eend $?
}

reopen() {
	ebegin "Reopening $name log files"
	start-stop-daemon --signal USR1 --pidfile "$pidfile"
	eend $?
}

checkconfig() {
	init_vars
	ebegin "Checking $fpm_config"

	local out
	out="$(su -s /bin/sh -c "$command --test --fpm-config $fpm_config" $user 2>&1)" || {
		printf "%s\n" "$out"
		eend 1 "failed, please correct errors above"
		return 1
	}
}

configtest() {
	ewarn "configtest is deprecated, use checkconfig instead"
	checkconfig
}

conf_get() {
	local key="$1"
	sed -nE "s/^${key}\s*=\s*\"?([^\";]+).*/\1/p" "$fpm_config" | head -n 1
}