telegraf/plugins/outputs/application_insights/README.md

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# Application Insights Output Plugin
This plugin writes telegraf metrics to [Azure Application Insights](https://azure.microsoft.com/en-us/services/application-insights/).
### Configuration:
```toml
[[outputs.application_insights]]
## Instrumentation key of the Application Insights resource.
instrumentation_key = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxx"
## Timeout for closing (default: 5s).
# timeout = "5s"
## Enable additional diagnostic logging.
# enable_diagnostic_logging = false
## Context Tag Sources add Application Insights context tags to a tag value.
##
## For list of allowed context tag keys see:
## https://github.com/Microsoft/ApplicationInsights-Go/blob/master/appinsights/contracts/contexttagkeys.go
# [outputs.application_insights.context_tag_sources]
# "ai.cloud.role" = "kubernetes_container_name"
# "ai.cloud.roleInstance" = "kubernetes_pod_name"
```
### Metric Encoding:
For each field an Application Insights Telemetry record is created named based
on the measurement name and field.
**Example:** Create the telemetry records `foo_first` and `foo_second`:
```
foo,host=a first=42,second=43 1525293034000000000
```
In the special case of a single field named `value`, a single telemetry record is created named using only the measurement name
**Example:** Create a telemetry record `bar`:
```
bar,host=a value=42 1525293034000000000
```