Added metadata for application pool uptime

Author: syron

receiver/iisreceiver/documentation.md

@@ -20,6 +20,14 @@ The current state of the application pool.
 | ---- | ----------- | ---------- |
 | {state} | Gauge | Int |
 
+### iis.application_pool.uptime
+
+The application pools uptime period since the last restart.
+
+| Unit | Metric Type | Value Type |
+| ---- | ----------- | ---------- |
+| {ms} | Gauge | Int |
+
 ### iis.connection.active
 
 Number of active connections.

receiver/iisreceiver/internal/metadata/generated_config.go

@@ -3,6 +3,8 @@ all_set:
   metrics:
     iis.application_pool.state:
       enabled: true
+    iis.application_pool.uptime:
+      enabled: true
     iis.connection.active:
       enabled: true
     iis.connection.anonymous:
@@ -36,6 +38,8 @@ none_set:
   metrics:
     iis.application_pool.state:
       enabled: false
+    iis.application_pool.uptime:
+      enabled: false
     iis.connection.active:
       enabled: false
     iis.connection.anonymous:

receiver/iisreceiver/internal/metadata/generated_config_test.go

@@ -138,6 +138,12 @@ metrics:
   iis.application_pool.state:
     description: The current state of the application pool.
     unit: "{state}"
+    gauge:
+      value_type: int
+    enabled: true
+  iis.application_pool.uptime:
+    description: The application pools uptime period since the last restart.
+    unit: "{ms}"
     gauge:
       value_type: int
     enabled: true

receiver/iisreceiver/internal/metadata/generated_metrics.go

@@ -110,6 +110,9 @@ var appPoolPerfCounterRecorders = []perfCounterRecorderConf{
 			"Current Application Pool State": func(mb *metadata.MetricsBuilder, ts pcommon.Timestamp, val float64) {
 				mb.RecordIisApplicationPoolStateDataPoint(ts, int64(val))
 			},
+			"Current Application Pool Uptime": func(mb *metadata.MetricsBuilder, ts pcommon.Timestamp, val float64) {
+				mb.RecordIisApplicationPoolUptimeDataPoint(ts, int64(val))
+			},
 		},
 	},
 }