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214 lines
5.0 KiB
214 lines
5.0 KiB
#!/bin/sh /etc/rc.common
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# Copyright (C) 2006-2016 OpenWrt.org
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START=80
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STOP=10
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USE_PROCD=1
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COLLECTD_CONF="/tmp/collectd.conf"
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LOG="logger -t collectd[$$] -p"
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NICEPRIO=5
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CONFIG_STRING=""
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process_exec() {
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printf "<Plugin exec>\n" >> "$COLLECTD_CONF"
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config_foreach process_exec_sections exec_input "Exec"
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config_foreach process_exec_sections exec_notify "NotificationExec"
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printf "</Plugin>\n\n" >> "$COLLECTD_CONF"
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}
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process_exec_sections() {
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local cfg="$1"
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local section="$2"
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local cmdline cmduser cmdgroup
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config_get cmdline "$cfg" cmdline
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[ -z "$cmdline" ] && {
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$LOG notice "No cmdline option in config $cfg defined"
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return 0
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}
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config_get cmduser "$cfg" cmduser
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[ -z "$cmduser" ] && {
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$LOG notice "No cmduser option in config $cfg defined"
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return 0
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}
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config_get cmdgroup "$cfg" cmdgroup
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if [ -z "$cmdgroup" ]; then
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printf "\\t%s \"%s\" \"%s\"\n" "${section}" "${cmduser}" "${cmdline}" >> "$COLLECTD_CONF"
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else
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printf "\\t%s \"%s:%s\" \"%s\"\n" "${section}" "${cmduser}" "${cmdgroup}" "${cmdline}" >> "$COLLECTD_CONF"
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fi
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}
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CONFIG_LIST=""
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add_list_option() {
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local value="$1"
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local option="$2"
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local indent="$3"
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CONFIG_LIST="${CONFIG_LIST}${indent}${option} \"$value\"\n"
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}
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process_generic() {
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local cfg="$1"
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local indent="$2"
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local json="$3"
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local config=""
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. /usr/share/libubox/jshn.sh
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json_init
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json_load_file "$json"
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json_select string 1>/dev/null 2>&1
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if [ $? -eq 0 ]; then
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json_get_keys keys
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for key in ${keys}; do
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json_get_var option "$key"
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config_get value "$cfg" "$option" ""
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[ -z "$value" ] || {
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config="${config}${indent}${option} \"${value}\"\n"
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}
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done
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json_select ..
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fi
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json_select bool 1>/dev/null 2>&1
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if [ $? -eq 0 ]; then
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json_get_keys keys
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for key in ${keys}; do
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json_get_var option "$key"
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config_get_bool value "$cfg" "$option"
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if [ "$value" = "0" ]; then
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config="${config}${indent}${option} false\n"
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fi
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if [ "$value" = "1" ]; then
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config="${config}${indent}${option} true\n"
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fi
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done
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json_select ..
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fi
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json_select list 1>/dev/null 2>&1
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if [ $? -eq 0 ]; then
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json_get_keys keys
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for key in ${keys}; do
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json_get_var option "$key"
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CONFIG_LIST=""
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config_list_foreach "$cfg" "$option" add_list_option "$option" "$indent"
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config="${config}${CONFIG_LIST}"
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done
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json_select ..
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fi
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[ -z "$config" ] || {
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printf "%s<Plugin %s>\n" "${CONFIG_STRING}" "$cfg" >> "$COLLECTD_CONF"
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echo -e "${config}" >> "$COLLECTD_CONF"
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printf "%s</Plugin>\n" "${CONFIG_STRING}" >> "$COLLECTD_CONF"
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}
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printf "\n" >> "$COLLECTD_CONF"
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}
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process_plugins() {
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local cfg="$1"
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local enable keys key option value
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config_get enable "$cfg" enable 0
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[ "$enable" = "1" ] || return 0
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[ -f "/usr/lib/collectd/$cfg.so" ] || {
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$LOG notice "Plugin collectd-mod-$cfg not installed"
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return 0
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}
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[ -f "/usr/share/collectd/plugin/$cfg.json" ] || {
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$LOG notice "Configuration definition file for $cfg not found"
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return 0
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}
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printf "LoadPlugin %s\n" "$cfg" >> "$COLLECTD_CONF"
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case "$cfg" in
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exec)
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CONFIG_STRING=""
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process_exec
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;;
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*)
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CONFIG_STRING=""
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process_generic "$cfg" "\\t" "/usr/share/collectd/plugin/$cfg.json"
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;;
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esac
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}
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process_config() {
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local alt_config_file BaseDir Include PIDFile PluginDir TypesDB
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local Interval ReadThreads Hostname
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rm -f "$COLLECTD_CONF"
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[ -f /etc/config/collectd ] || {
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$LOG notice "UCI config not found"
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return 0
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}
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config_load collectd
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config_get alt_config_file globals alt_config_file
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# If "alt_config_file" specified, use that instead
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[ -n "$alt_config_file" ] && [ -f "$alt_config_file" ] && {
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rm -f "$COLLECTD_CONF"
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ln -s "$alt_config_file" "$COLLECTD_CONF"
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return 0
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}
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# GOBAL CONFIG
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config_get BaseDir globals BaseDir "/var/run/collectd"
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printf "BaseDir \"%s\"\n" "$BaseDir" >> "$COLLECTD_CONF"
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config_get Include globals Include "/tmp/collectd.d"
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printf "Include \"%s\"\n" "$Include" >> "$COLLECTD_CONF"
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mkdir -p "$Include"
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config_get PIDFile globals PIDFile "/var/run/collectd.pid"
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printf "PIDFile \"%s\"\n" "$PIDFile" >> "$COLLECTD_CONF"
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config_get PluginDir globals PluginDir "/usr/lib/collectd"
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printf "PluginDir \"%s\"\n" "$PluginDir" >> "$COLLECTD_CONF"
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config_get TypesDB globals TypesDB "/usr/share/collectd/types.db"
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printf "TypesDB \"%s\"\n" "$TypesDB" >> "$COLLECTD_CONF"
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config_get Interval globals Interval 30
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printf "Interval \"%s\"\n" "$Interval" >> "$COLLECTD_CONF"
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config_get ReadThreads globals ReadThreads 2
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printf "ReadThreads \"%s\"\n" "$ReadThreads" >> "$COLLECTD_CONF"
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config_get Hostname globals Hostname "$(hostname)"
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printf "Hostname \"%s\"\n" "$Hostname" >> "$COLLECTD_CONF"
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printf "\n" >> "$COLLECTD_CONF"
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# PLUGIN CONFIG
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config_foreach process_plugins plugin
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}
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start_service() {
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procd_open_instance
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procd_set_param command /usr/sbin/collectd
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procd_append_param command -C "$COLLECTD_CONF"
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procd_append_param command -f # don't daemonize, procd will handle that for us
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procd_set_param nice "$NICEPRIO"
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process_config
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# set auto respawn behavior
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procd_set_param respawn
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procd_close_instance
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}
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