74 lines
2 KiB
Text
74 lines
2 KiB
Text
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#!/sbin/openrc-run
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# Copyright 2016-2019 Gentoo Authors
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# Distributed under the terms of the GNU General Public License v2
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description="Prometheus exporter for MySQL server metrics"
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EXPORTER_FLAGS=${EXPORTER_FLAGS:-""}
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EXPORTER_USER=${EXPORTER_USER:-"mysqld_exporter"}
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EXPORTER_GROUP=${EXPORTER_GROUP:-"mysqld_exporter"}
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EXPORTER_PIDFILE=${EXPORTER_PIDFILE:-"/run/${RC_SVCNAME}.pid"}
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EXPORTER_SSDARGS=${EXPORTER_SSDARGS:-"--wait 1000"}
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EXPORTER_TERMTIMEOUT=${EXPORTER_TERMTIMEOUT:-"TERM/60/KILL/5"}
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command="/usr/bin/mysqld_exporter"
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command_args="${EXPORTER_FLAGS}"
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command_background="true"
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start_stop_daemon_args="${EXPORTER_SSDARGS}"
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start_stop_daemon_args="${start_stop_daemon_args} --user ${EXPORTER_USER}"
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start_stop_daemon_args="${start_stop_daemon_args} --group ${EXPORTER_GROUP}"
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# We are forcing log files because upstream is going to remove syslog support :/
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start_stop_daemon_args="${start_stop_daemon_args} --stdout /var/log/mysqld_exporter/${RC_SVCNAME}.log"
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start_stop_daemon_args="${start_stop_daemon_args} --stderr /var/log/mysqld_exporter/${RC_SVCNAME}.log"
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getconfig() {
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local key="$1"
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local value_default="$2"
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local value=
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if service_started; then
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value="$(service_get_value "${key}")"
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fi
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if [ -z "${value}" ]; then
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# Value not explicitly set
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echo "${value_default}"
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else
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echo "${value}"
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fi
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return 0
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}
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pidfile="$(getconfig pidfile ${EXPORTER_PIDFILE})"
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retry="$(getconfig retry ${EXPORTER_TERMTIMEOUT})"
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configtest() {
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if test "${command_args#*config\.my-cnf}" = "${command_args}"; then
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local _default_config_file="/var/lib/mysqld_exporter/.my.cnf"
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if [ ! -s "${_default_config_file}" ]; then
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eerror "No MySQL credentials found in \"${_default_config_file}\"!"
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eerror "Either create that file and add credentials or specify another file via \"-config.my-cnf\" flag."
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return 1
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fi
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fi
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return 0
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}
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depend() {
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after net
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use mysql
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}
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start_pre() {
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if [ "${RC_CMD}" != "restart" ]; then
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configtest || return 1
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fi
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}
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start_post() {
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service_set_value retry "${EXPORTER_TERMTIMEOUT}"
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}
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