From 7d8cf59dac1c3df6ca8bcfce05f6000af2b1af01 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan-Otto=20Kr=C3=B6pke?= <github@jkroepke.de>
Date: Fri, 3 May 2024 07:51:29 +0200
Subject: [PATCH] iis: Add IIS info metric (#1450)

---
 pkg/collector/iis/iis.go | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/pkg/collector/iis/iis.go b/pkg/collector/iis/iis.go
index 8703bd5e..86cfd489 100644
--- a/pkg/collector/iis/iis.go
+++ b/pkg/collector/iis/iis.go
@@ -85,6 +85,8 @@ type collector struct {
 	appInclude  *string
 	appExclude  *string
 
+	Info *prometheus.Desc
+
 	// Web Service
 	CurrentAnonymousUsers               *prometheus.Desc
 	CurrentBlockedAsyncIORequests       *prometheus.Desc
@@ -300,6 +302,15 @@ func (c *collector) Build() error {
 		return err
 	}
 
+	c.Info = prometheus.NewDesc(
+		prometheus.BuildFQName(types.Namespace, Name, "info"),
+		"ISS information",
+		[]string{},
+		prometheus.Labels{
+			"version": fmt.Sprintf("%d.%d", c.iis_version.major, c.iis_version.minor),
+		},
+	)
+
 	// Web Service
 	c.CurrentAnonymousUsers = prometheus.NewDesc(
 		prometheus.BuildFQName(types.Namespace, Name, "current_anonymous_users"),
@@ -1034,6 +1045,12 @@ func (c *collector) collectWebService(ctx *types.ScrapeContext, ch chan<- promet
 		return nil, err
 	}
 
+	ch <- prometheus.MustNewConstMetric(
+		c.Info,
+		prometheus.GaugeValue,
+		1,
+	)
+
 	webServiceDeDuplicated := dedupIISNames(webService)
 
 	for name, app := range webServiceDeDuplicated {