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101 lines
3.0 KiB
Bash
101 lines
3.0 KiB
Bash
#!/bin/sh
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# PROVIDE: prometheus
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# REQUIRE: LOGIN
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# KEYWORD: shutdown
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#
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# Add the following lines to /etc/rc.conf.local or /etc/rc.conf
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# to enable this service:
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#
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# prometheus_enable (bool): Set to NO by default
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# Set it to YES to enable prometheus
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# prometheus_user (string): Set user to run prometheus
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# Default is "prometheus"
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# prometheus_group (string): Set group to run prometheus
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# Default is "prometheus"
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# prometheus_data_dir (string): Set dir to run prometheus in
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# Default is "/var/db/prometheus"
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# prometheus_log_file (string): Set file that prometheus will log to
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# Default is "/var/log/prometheus.log"
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# prometheus_args (string): Set additional command line arguments
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# Default is ""
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. /etc/rc.subr
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name=prometheus
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rcvar=prometheus_enable
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load_rc_config $name
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: ${prometheus_enable:="NO"}
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: ${prometheus_user:="prometheus"}
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: ${prometheus_group:="prometheus"}
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: ${prometheus_config:="%%PREFIX%%/etc/prometheus.yml"}
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: ${prometheus_data_dir:="/var/db/prometheus"}
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: ${prometheus_log_file:="/var/log/prometheus.log"}
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: ${prometheus_args:=""}
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pidfile="/var/run/${name}.pid"
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required_files="${prometheus_config}"
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command="/usr/sbin/daemon"
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procname="%%PREFIX%%/bin/${name}"
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sig_reload="HUP"
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extra_commands="reload"
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command_args="-p ${pidfile} /usr/bin/env ${procname} \
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--config.file=${prometheus_config} \
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--storage.tsdb.path=${prometheus_data_dir} \
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${prometheus_args} >> ${prometheus_log_file} 2>&1"
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start_precmd=prometheus_startprecmd
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# This checks for the existence of a prometheus 1.x data dir at the
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# $prometheus_data_dir location. If one is found, Prometheus will not start.
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prometheus_check_data_dir_version()
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{
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local data_dir_version_file="${prometheus_data_dir}/VERSION"
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if [ -f "${data_dir_version_file}" ]; then
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local data_dir_version="0"
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read data_dir_version < "${data_dir_version_file}"
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if [ "${data_dir_version}" = "1" ]; then
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return 1
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fi
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fi
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}
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prometheus_startprecmd()
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{
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if [ ! -e ${pidfile} ]; then
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install \
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-o ${prometheus_user} \
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-g ${prometheus_group} \
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/dev/null ${pidfile};
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fi
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if [ ! -f "${prometheus_log_file}" ]; then
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install \
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-o ${prometheus_user} \
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-g ${prometheus_group} \
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-m 640 \
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/dev/null ${prometheus_log_file};
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fi
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if [ ! -d ${prometheus_data_dir} ]; then
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install \
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-d \
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-o ${prometheus_user} \
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-g ${prometheus_group} \
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-m 750 \
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${prometheus_data_dir}
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else
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# The directory already existed. Ensure it's not a prometheus 1.x
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# data dir.
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if ! prometheus_check_data_dir_version; then
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err 1 "Found net-mgmt/prometheus1 data dir, refusing to start."
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fi
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fi
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}
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load_rc_config $name
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run_rc_command "$1"
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