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[telegraf] fix: add starlark_processor template #546

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[telegraf] fix: add starlark_processor template #546

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aa61c4d
fix: add starlark_processor template
hungran Mar 12, 2023
1524bc4
Update _helpers.tpl
hungran Mar 12, 2023
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2 changes: 1 addition & 1 deletion charts/telegraf/Chart.yaml
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Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
apiVersion: v2
name: telegraf
version: 1.8.26
version: 1.8.27
appVersion: 1.25.2
deprecated: false
description: Telegraf is an agent written in Go for collecting, processing, aggregating, and writing metrics.
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26 changes: 25 additions & 1 deletion charts/telegraf/templates/_helpers.tpl
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Expand Up @@ -291,7 +291,9 @@ app.kubernetes.io/instance: {{ .Release.Name }}
{{- define "processors.v1" -}}
{{- range $processorIdx, $configObject := . -}}
{{- range $processor, $config := . -}}

{{- if eq $processor "starlark" }}
{{- include "telegraf.starlark_processor" . | nindent 4 }}
{{- else }}
[[processors.{{- $processor }}]]
{{- if $config -}}
{{- $tp := typeOf $config -}}
Expand Down Expand Up @@ -407,6 +409,7 @@ app.kubernetes.io/instance: {{ .Release.Name }}
{{- end }}
{{- end }}
{{ end }}
{{- end }}
{{- end }}
{{- end -}}

Expand Down Expand Up @@ -724,3 +727,24 @@ Get health configuration
{{- $health | toYaml -}}
{{- end -}}
{{- end -}}

{{/*
Helper function to create a starlark processor configuration block
*/}}
{{- define "telegraf.starlark_processor" -}}
[[processors.starlark]]
## The Starlark source can be set as a string in this configuration file, or
## by referencing a file containing the script. Only one source or script
## should be set at once.

## Source of the Starlark script.
source = '''
def apply(metric):
if metric.name == "prometheus_remote_write":
for k, v in metric.fields.items():
metric.name = k
metric.fields["value"] = v
metric.fields.pop(k)
return metric
'''
{{- end }}