antennine.org: an-metrics: add wifi-stations-extra + minors

- push a subset of metrics ~30KB -> ~16KB
- remove conditional label

Author: a-gave

antennine.org/an-metrics/Makefile

@@ -7,6 +7,7 @@ PROFILE_DEPENDS:=\
 	+prometheus-node-exporter-lua-openwrt \
 	+prometheus-node-exporter-lua-wifi \
 	+prometheus-node-exporter-lua-wifi_stations \
+	+prometheus-node-exporter-lua-wifi-stations-extra \
 	+prometheus-node-exporter-lua-location-latlon
 
 include ../../profile.mk

antennine.org/an-metrics/root/usr/bin/prometheus-push

@@ -6,11 +6,26 @@ pushgateway_password=$(uci get lime-autogen.pushgateway.password)
 metrics_file=/tmp/prometheus-metrics
 domain=$(uci get lime-autogen.system.domain)
 lan_ipv4=$(uci get network.lan.ipaddr)
-wan_ipv4=$(ip -o route get to 4.2.2.2 | sed -n 's|.*src \([0-9.]\+\).*|\1|p')
 host=$(uci get system.@system[0].hostname)
 token="$(echo -n "$pushgateway_user:$pushgateway_password" | base64)"
 
-prometheus-node-exporter-lua > "$metrics_file"
+# push a subset of metrics
+prometheus-node-exporter-lua | grep \
+-e scrape \
+-e time \
+\
+-e wifi \
+-e bytes \
+\
+-e cpu \
+-e load \
+\
+-e openwrt \
+-e uname \
+\
+-e location \
+> "$metrics_file"
+
 wget -qO /dev/null \
 --post-file "$metrics_file" \
 --header="Authorization: Basic $token" \
@@ -19,7 +34,6 @@ https://${pushgateway_host}/metrics\
 /domain/${domain}\
 /instance/${lan_ipv4}\
 /port/9090\
-/host/${host}\
-$( [ $wan_ipv4 != $lan_ipv4 ] && echo "/wan/$wan_ipv4" )
+/host/${host}
 
 rm "$metrics_file"