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Loki

Table of content

Configuration

Setting Env var Default value Description
loki.hostport LOKI_HOSTPORT http://{domain or ip}:{port}, if not empty, Loki output is enabled
loki.user LOKI_USER User for Grafana Logs
loki.apikey LOKI_APIKEY API KEy for Grafana Logs
loki.tenant LOKI_TENANT Add the tenant header if needed
loki.format LOKI_FORMAT text Format for the log entry value: json, text
loki.endpoint LOKI_ENDPOINT /loki/api/v1/push The endpoint URL path, more info : https://grafana.com/docs/loki/latest/api/#post-apiprompush
loki.extralabels LOKI_EXTRALABELS comma separated list of fields to use as labels additionally to rule, source, priority, tags and custom_fields
loki.customheaders LOKI_CUSTOMHEADERS Custom headers to add in POST, useful for Authentication
loki.mutualtls LOKI_MUTUALTLS false Authenticate to the output with TLS, if true, checkcert flag will be ignored (server cert will always be checked)
loki.checkcert LOKI_CHECKCERT /api/v1/alerts Check if ssl certificate of the output is valid mattermost.minimumpriority MATTERMOST_MINIMUMPRIORITY "" (= debug) Minimum priority of event for using this output, order is emergency,alert,critical,error,warning,notice,informational,debug or ""
loki.minimumpriority LOKI_MINIMUMPRIORITY "" (= debug) Minimum priority of event for using this output, order is emergency,alert,critical,error,warning,notice,informational,debug or ""

Note

The Env var values override the settings from yaml file.

Example of config.yaml

loki:
  # hostport: "" # http://{domain or ip}:{port}, if not empty, Loki output is enabled
  # user: "" # user for Grafana Logs
  # apikey: "" # API Key for Grafana Logs
  # minimumpriority: "" # minimum priority of event for using this output, order is emergency|alert|critical|error|warning|notice|informational|debug or "" (default)
  # checkcert: true # check if ssl certificate of the output is valid (default: true)
  # tenant: "" # Add the tenant header if needed. Enabled if not empty
  # format: "text" # Format for the log entry value: json, text (default)
  # endpoint: "/loki/api/v1/push" # The endpoint URL path, default is "/loki/api/v1/push" more info : https://grafana.com/docs/loki/latest/api/#post-apiprompush
  # extralabels: "" # comma separated list of fields to use as labels additionally to rule, source, priority, tags and custom_fields
  # customHeaders: # Custom headers to add in POST, useful for Authentication
  #   key: value

Screenshots

With Grafana

loki example