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You can configure the Collector to accept text-exposition payloads in either Prometheus or OpenMetrics formats. To enable the Prometheus and OpenMetrics ingestion for the Collector, add importPrometheus and importOpenMetrics under the push YAML collection in the Collector configuration: 
push:
  importPrometheus:
    enabled: true
  importOpenMetrics:
    enabled: true
Traffic is served from /import/openmetrics and /import/prometheus from the listenAddress, which defaults to 0.0.0.0:3030. 
# Importing an untyped metric in OpenMetrics format.
curl -d $'test_metric_import 100\n# EOF' -X POST http://localhost:3030/import/openmetrics
# Same import, but in Prometheus format.
curl -d 'test_metric_import 100' -X POST http://localhost:3030/import/prometheus
Additional query parameters:
  • extra_label: pass in repeated, default labels for all time series, formatted as name=value.
  • default_timestamp: provide a default timestamp in Unix milliseconds for any time series that doesn’t have one. Otherwise, the value defaults to Now() on the Chronosphere backend.
The following command includes both of these additional query parameters: 
curl -d 'test_metric_import 100' -X POST \
    http://localhost:3030/import/prometheus?extra_label=svc%3Dauth&extra_label=team%3Dbar&default_timestamp=1669701600

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Export Prometheus assets

You can use Chronoctl to convert Prometheus assets for import into Observability Platform.
The chronoctl convert command is a feature available only in the deprecated v0.x.x versions of Chronoctl, which are maintained separately from the supported v1.x versions of Chronoctl. To install a v0.x.x version, see Download and install a v0.x.x version.
For example, to retrieve, convert, and apply Prometheus alert rules to Observability Platform:
  1. In your Prometheus installation, retrieve your Prometheus rules and pipe them into a .yml file: 
    kubectl get prometheusrules -o yaml -A > alert_rules.yml
  2. Convert the rules using Chronoctl: 
    chronoctl convert prometheus -p prometheus_rules.yml -a alertmanager.yml
  3. Apply the rules to Observability Platform: 
    chronoctl apply -f alerts.yml