collectd: expose more global parameters to uci

Signed-off-by: Maxim Storchak <m.storchak@gmail.com>

utils/collectd/files/collectd.init

@@ -286,7 +286,8 @@ process_plugins() {
 
 process_config() {
 	local alt_config_file BaseDir Include PIDFile PluginDir TypesDB
-	local Interval ReadThreads Hostname
+	local Interval ReadThreads WriteThreads Hostname
+	local WriteQueueLimitHigh WriteQueueLimitLow CollectInternalStats
 
 	rm -f "$COLLECTD_CONF"
 
@@ -321,7 +322,25 @@ process_config() {
 	printf "Interval %s\n" "$Interval" >> "$COLLECTD_CONF"
 
 	config_get ReadThreads globals ReadThreads 2
-	printf "ReadThreads \"%s\"\n" "$ReadThreads" >> "$COLLECTD_CONF"
+	printf "ReadThreads %s\n" "$ReadThreads" >> "$COLLECTD_CONF"
+
+	config_get WriteThreads globals WriteThreads 2
+	printf "WriteThreads %s\n" "$WriteThreads" >> "$COLLECTD_CONF"
+
+	config_get WriteQueueLimitLow globals WriteQueueLimitLow 0
+	[ "$WriteQueueLimitLow" -ne 0 ] \
+		&& printf "WriteQueueLimitLow %s\n" "$WriteQueueLimitLow" >> "$COLLECTD_CONF"
+
+	config_get WriteQueueLimitHigh globals WriteQueueLimitHigh 0
+	[ "$WriteQueueLimitHigh" -ne 0 ] \
+		&& printf "WriteQueueLimitHigh %s\n" "$WriteQueueLimitHigh" >> "$COLLECTD_CONF"
+
+	config_get_bool CollectInternalStats globals CollectInternalStats 0
+	if [ "$CollectInternalStats" = "0" ]; then
+		printf "CollectInternalStats false\n" >> "$COLLECTD_CONF"
+	else
+		printf "CollectInternalStats true\n" >> "$COLLECTD_CONF"
+	fi
 
 	config_get Hostname globals Hostname "$(uname -n)"
 	printf "Hostname \"%s\"\n" "$Hostname" >> "$COLLECTD_CONF"

utils/collectd/files/collectd.uci

@@ -7,6 +7,10 @@ config globals 'globals'
 #	option TypesDB '/usr/share/collectd/types.db'
 #	option Interval '30'
 #	option ReadThreads '2'
+#	option WriteThreads '2'
+#	option WriteQueueLimitLow '0'
+#	option WriteQueueLimitHigh '0'
+#	option CollectInternalStats '0'
 
 #config plugin 'apcups'
 #	option enable '0'