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KPI export from Loki

Collect data from Loki and send them to a NocoDB endpoint.

Configuration

Expects a config file under /opt/config.yaml.

Example:

---
- endpoint: "https://your-metrics-endpoint"
  type: metricCounts
  queries:
    metric1: '{app="myapp"} |= "some values"'
    metric2: '{app="myapp",someLabel="some label value"}"'
- endpoint: "https://your-other-metrics-endpoint"
  type: rowsFromLabels
  query: '{app="myapp",} |= "some query" | pattern "<_> some event took place. somevalue=<aLabelIWantToExtract> anothervalue=<anotherLabelIWantToExtract>"'
  labelMapping:
    aLabelIWantToExtract: columnNameInNocoDB
    anotherLabelIWantToExtract: anotherColumnNameInNocoDB
  timestampMapping: timestampColumnNameInNocoDB

Config file structure

The yaml file should contain a list of objects. Different types of endpoints are supported.

type: metricCounts

This uses LogQL metrics queries to extract one or more metrics which are mapped to NocoDB columns. It appends a single row to the table.

Configuration:

  • endpoint (required): the API endpoint for POSTing a single row to a NocoDB table
  • type (required): metricCounts
  • queries (required): a map of column names in your NocoDB table to queries used to fetch metrics values to store in those columns

type: rowsFromLabels

This uses LogQL log queries to extract rows which are mapped to NocoDB rows. It appends a row per log event.

Configuration:

  • endpoint (required): the bulk API endpoint for POSTing multiple rows to a NocoDB table
  • type (required): rowsFromLabels
  • query (required): the query to load log events
  • labelMapping (required): a mapping of Loki labels on the log event to column names in your NocoDB table
  • timestampMapping (optional): if present, the timestamp of the log event will be written to the column named here

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