prometheus-node-exporter-lua: fix

uhttpd: /usr/lib/lua/prometheus-collectors/uci_dhcp_host.lua:9: bad argument openwrt#1 to 'upper' (string expected, got nil) Signed-off-by: Javier Marcet <[email protected]>
jmarcet · Aug 16, 2024 · 2325b85 · 2325b85
1 parent 062e149
commit 2325b85
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/utils/prometheus-node-exporter-lua/files/usr/lib/lua/prometheus-collectors/uci_dhcp_host.lua b/utils/prometheus-node-exporter-lua/files/usr/lib/lua/prometheus-collectors/uci_dhcp_host.lua
@@ -5,7 +5,7 @@ local function scrape()
   local metric_uci_host = metric("uci_dhcp_host", "gauge")
 
   curs:foreach("dhcp", "host", function(s)
-    if s[".type"] == "host" then
+    if s[".type"] == "host" and s["mac"] and s["dns"] and s["ip"] then
       labels = {name=s["name"], mac=string.upper(s["mac"]), dns=s["dns"], ip=s["ip"]}
       metric_uci_host(labels, 1)
     end