Grafana Loki

Grafana Loki Destination Plugin

Grafana Loki is a horizontally-scalable, highly-available, multi-tenant log aggregation system inspired by Prometheus. It allows you to store and query logs using labels to filter and aggregate log data, making it easy to explore and visualize your logs in Grafana. The Grafana Loki Destination Plugin in Calyptia Core allows you to seamlessly integrate your telemetry data with Grafana Loki, enabling you to store, analyze, and visualize your log data using Grafana's powerful logging tools. With the Grafana Loki Destination Plugin, you can easily configure your Calyptia Core pipeline to send your log data to Grafana Loki,

Configuration Parameters

The following are configuration Parameters for Grafana Loki Logs Destination Plugin.

Key	Description
Host	Loki hostname or IP address. Do not include the subpath, I.e. loki/api/v1/push, only include the base hostname / URL
Port	TCP port of the target Loki service

The following are Basic Authentication configuration Parameters for Grafana Loki Logs Destination Plugin.

Key	Description
HTTP Username	Basic Auth Username
HTTP Password	Basic Auth Password. Requires HTTP_User to be set

The following are Advanced configuration Parameters for Grafana Loki Logs Destination Plugin.

Key	Description
Tenant ID	Tenant ID used by default to push logs to Loki. If omitted or empty it assumes Loki is running in single-tenant mode and no X-Scope-OrgID header is sent.
Tenant ID Key	If set, X-Scope-OrgID will be the value of the key from incoming record. It is useful to set X-Scode-OrgID dynamically
Labels	labels for API requests, If no value is set the default label is job=fluent-bit
Label Keys	Comma-separated list of keys to use as stream labels
Enable Auto Kubernetes Labels	If set to true, it will add all Kubernetes labels to Loki labels.
Drop Single Key	If set to true and only a single key remains, the log line sent to Loki will be the value of that key.
Remove Keys	Comma separated list of keys to remove
Line Format	Format to use when flattening the record to a log line. Valid values are 'json' or 'key_value'. If set to 'json' the log line sent to Loki will be the Fluent Bit record dumped as json. If set to 'key_value', the log line will be each item in the record concatenated together (separated by a single space) in the format '='.

The following are Security and TLS configuration Parameters for Grafana Loki Logs Destination Plugin.

Key	Description
TLS	Enable or Disable TLS/SSL support
TLS Certificate Validation	Turn TLS/SSL certificate validation on / off, TLS must be on for this setting to be enabled.
TLS Debug Level	Set TLS debug verbosity level. It accepts the following values: 0 (No debug), 1 (Error), 2 (State change), 3 (Informational), and 4 Verbose
CA Certificate File Path	Absolute path to CA certificate file
Certificate File Path	Absolute path to Certificate file
Private key File Path	Absolute path to private Key file
Private Key Path Password	Optional password for tls.key_file file
TLS SNI Hostname Extension	Hostname to be used for TLS SNI Extension

The following are Advanced Networking configuration Parameters for Grafana Loki Logs Destination Plugin.

Key	Description
DNS Mode	Select the primary DNS connection type (TCP or UDP)
DNS Resolver	Select the primary DNS connection type (TCP or UDP)
Prefer IPv4	Prioritize IPv4 DNS results when trying to establish a connection
Keepalive	Enable or disable Keepalive support
Keepalive Idle Timeout	Set maximum time allowed for an idle Keepalive connection
Max Connect Timeout	Set maximum time allowed to establish a connection, this time includes the TLS handshake
Max Connect Timeout Log Error	On connection timeout, specify if it should log an error. When disabled, the timeout is logged as a debug message
Max Keepalive Recycle	Set maximum number of times a keepalive connection can be used before it is retired.
Source Address	Specify network address to bind for data traffic