update azuretracing and documentation

Signed-off-by: Markus Blaschke <[email protected]>

README.md

@@ -14,6 +14,7 @@ TOC:
 * [Features](#Features)
 * [Configuration](#configuration)
 * [Metrics](#metrics)
+    + [Azuretracing metrics](#azuretracing-metrics)
     + [Metric name and help template system](#metric-name-and-help-template-system)
         - [default template](#default-template)
         - [template `{name}_{metric}_{unit}`](#template-name_metric_unit)
@@ -108,6 +109,25 @@ webui is available under url `/query`
 | `azurerm_api_ratelimit`                  | Azure ratelimit metrics (only on /metrics, resets after query)                                  |
 | `azurerm_api_request_*`                  | Azure request count and latency as histogram                                                    |
 
+### Azuretracing metrics
+
+(with 22.2.0 and later)
+
+Azuretracing metrics collects latency and latency from azure-sdk-for-go and creates metrics and is controllable using
+environment variables (eg. setting buckets, disabling metrics or disable autoreset).
+
+| Metric                                   | Description                                                                            |
+|------------------------------------------|----------------------------------------------------------------------------------------|
+| `azurerm_api_ratelimit`                  | Azure ratelimit metrics (only on /metrics, resets after query due to limited validity) |
+| `azurerm_api_request_*`                  | Azure request count and latency as histogram                                           |
+
+| Environment variable                     | Example                          | Description                                              |
+|------------------------------------------|----------------------------------|----------------------------------------------------------|
+| `METRIC_AZURERM_API_REQUEST_BUCKETS`     | `1, 2.5, 5, 10, 30, 60, 90, 120` | Sets buckets for `azurerm_api_request` histogram metric  |
+| `METRIC_AZURERM_API_REQUEST_DISABLE`     | `false`                          | Disables `azurerm_api_request_*` metric                  |
+| `METRIC_AZURERM_API_RATELIMIT_DISABLE`   | `false`                          | Disables `azurerm_api_ratelimit` metric                  |
+| `METRIC_AZURERM_API_RATELIMIT_AUTORESET` | `false`                          | Disables `azurerm_api_ratelimit` autoreset after fetch   |
+
 ### Metric name and help template system
 
 (with 21.5.3 and later)

go.mod

@@ -25,7 +25,7 @@ require (
 	google.golang.org/protobuf v1.27.1 // indirect
 )
 
-require github.com/webdevops/go-prometheus-common v0.0.0-20220211085101-e22e574ab9ea
+require github.com/webdevops/go-prometheus-common v0.0.0-20220211101814-4c9913788fe1
 
 require (
 	github.com/Azure/go-autorest v14.2.0+incompatible // indirect

go.sum

@@ -232,8 +232,8 @@ github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXf
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk=
 github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4=
-github.com/webdevops/go-prometheus-common v0.0.0-20220211085101-e22e574ab9ea h1:WDmr5sYRO4caY21JSKo4TCtXRnu393cFGv/MVOIk/Os=
-github.com/webdevops/go-prometheus-common v0.0.0-20220211085101-e22e574ab9ea/go.mod h1:naEkgDRh6L+Ef0qzaS9Q60m1GkwN5Mu6xaNd/Ha84Sg=
+github.com/webdevops/go-prometheus-common v0.0.0-20220211101814-4c9913788fe1 h1:wIf6O43jGEarp8ojgInXRIt6jHeQ94JUvsy4O3wqKHY=
+github.com/webdevops/go-prometheus-common v0.0.0-20220211101814-4c9913788fe1/go.mod h1:naEkgDRh6L+Ef0qzaS9Q60m1GkwN5Mu6xaNd/Ha84Sg=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=