Grafana Loki destination plugin

Configure the Grafana Loki destination plugin in Chronosphere Telemetry Pipeline to send logs to Grafana Loki.

This information is for Chronosphere Telemetry Pipeline, which is a standalone product separate from Chronosphere Observability Platform.

The Grafana Loki destination plugin (name: loki) lets you configure your telemetry pipeline to send your log data to Grafana Loki.

Supported telemetry types

The for Chronosphere Telemetry Pipeline supports these telemetry types:

Logs	Metrics	Traces

Configuration parameters

Use the parameters in this section to configure the . The Telemetry Pipeline web interface uses the items in the Name column to describe these parameters. Pipeline configuration files use the items in the Key column as YAML keys.

Required

Name	Key	Description	Default
Host	host	Required. Loki hostname or IP address. Don’t include the sub path, such as loki/api/v1/push. Include only the base hostname or URL.	127.0.0.1
Port	port	Required. TCP port of the target Loki service.	3100

Basic Authentication

Name	Key	Description	Default
HTTP Username	http_user	Basic auth username.	none
HTTP Password	http_passwd	Basic auth password. Requires http_user to be set.	none

Advanced

Name	Key	Description	Default
Tenant ID	tenant_id	Tenant ID used by default to push logs to Loki. If omitted or empty, it’s assumed that Loki is running in single-tenant mode and no X-Scope-OrgID header is sent.	none
Tenant ID Key	tenant_id_key	Required. If set, X-Scope-OrgID will be the value of the key from incoming record. It can be useful to set X-Scode-OrgID dynamically.	none
Labels	labels	Labels for API requests.	job=fluentbit
Label Keys	label_keys	Comma-separated list of keys to use as stream labels.	none
Enable Auto Kubernetes Labels	auto_kubernetes_labels	If set to true, adds all Kubernetes labels to Loki labels. Accepted values: true, false.	false
Drop Single Key	drop_single_key	If set to true and only a single key remains, the log line sent to Loki is the value of that key. Accepted values: true, false.	false
Remove Keys	remove_keys	Comma-separated list of keys to remove.	none
Line Format	line_format	Format to use when flattening the record to a log line. Accepted values: json (sent log line is the Telemetry Pipeline record dumped as JSON), key_value (log line is each item in the record concatenated together, separated by a single space, in the format =).	json

Security and TLS

Name	Key	Description	Default
TLS	tls	If true, enables TLS/SSL. If false, disables TLS/SSL. Accepted values: true, false.	false
TLS Certificate Validation	tls.verify	If on, and if tls is true, enables TLS/SSL certificate validation. If off, disables TLS/SSL certificate validation. Accepted values: on, off.	on
TLS Debug Level	tls.debug	Sets TLS debug verbosity level. Accepted values: 0 (No debug), 1 (Error), 2 (State change), 3 (Informational), 4 (Verbose).	1
CA Certificate File Path	tls.ca_file	Absolute path to CA certificate file.	none
Certificate File Path	tls.crt_file	Absolute path to certificate file.	none
Private Key File Path	tls.key_file	Absolute path to private key file.	none
Private Key Path Password	tls.key_passwd	Password for private key file.	none
TLS SNI Hostname Extension	tls.vhost	Hostname to be used for TLS SNI extension.	none

Advanced Networking

Name	Key	Description	Default
DNS Mode	net.dns.mode	Selects the primary DNS connection type, which can be TCP or UDP.	none
DNS Resolver	net.dns.resolver	Selects the primary DNS connection type, which can be LEGACY or ASYNC.	none
Prefer IPv4	net.dns.prefer_ipv4	Prioritizes IPv4 DNS results when trying to establish a connection. Accepted values: true, false.	false
Keepalive	net.keepalive	Enables or disables Keepalive support. Accepted values: true, false.	true
Keepalive Idle Timeout	net.keepalive_idle_timeout	Sets the maximum time allowed for an idle Keepalive connection.	30s
Max Connect Timeout	net.connect_timeout	Sets the maximum time allowed to establish a connection, which includes the TLS handshake.	10s
Max Connect Timeout Log Error	net.connect_timeout_log_error	Specifies whether to log an error on connection timeout. When disabled, the timeout is logged as a debug message. Accepted values: true, false.	true
Source Address	net.source_address	Specifies the network address to bind for data traffic.	none
Max Keepalive Recycle	net.keepalive_max_recycle	Sets the maximum number of times a keepalive connection can be used before it’s retired.	2000