kimyen opened a new issue #17919:
URL: https://github.com/apache/airflow/issues/17919
### Official Helm Chart version
1.1.0 (latest released)
### Apache Airflow version
2.0.2
### Kubernetes Version
1.19.11
### Helm Chart configuration
```
statsd:
enabled: true
nodeSelector:
github.com/poolname: airflow
extraMappings:
- match: "airflow.*_start"
name: "airflow.job.start"
tags:
job_name: "$1"
```
### Docker Image customisations
None
### What happened
In `airflow-statsd` configmap in K8s, I see:
```
- match: airflow.*_start
name: airflow.job.start
tags:
job_name:
```
Double quotes are removed, which is fine. But the `$1` is evaluated to
nothing.
### What you expected to happen
In `airflow-statsd` configmap in K8s, I would see:
```
- match: "airflow.*_start"
name: "airflow.job.start"
tags:
job_name: "$1"
```
### How to reproduce
See above values
### Anything else
There is a lack of documentation on how to specify data for `extraMappings`.
I would imagine if there is an escape character to be used here, it would go in
to the doc where we give example on what an extra mapping looks like.
### Are you willing to submit PR?
- [X] Yes I am willing to submit a PR!
### Code of Conduct
- [X] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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