Prometheus
Prometheus Filter
Overview
Prometheus Filter Plugin to count Incoming Records
Configuration
PrometheusConfig
labels (Label, optional)
metrics ([]MetricSection, optional)
Metrics Section
buckets (string, optional)
Buckets of record for instrumentation
desc (string, required)
Description of metric
key (string, optional)
Key name of record for instrumentation.
labels (Label, optional)
Additional labels for this metric
name (string, required)
Metrics name
type (string, required)
Metrics type counter, gauge, summary, histogram
Example Prometheus filter configurations
apiVersion: logging.banzaicloud.io/v1beta1
kind: Flow
metadata:
name: demo-flow
spec:
filters:
- tag_normaliser: {}
- parser:
remove_key_name_field: true
reserve_data: true
parse:
type: nginx
- prometheus:
metrics:
- name: total_counter
desc: The total number of foo in message.
type: counter
labels:
foo: bar
labels:
host: ${hostname}
tag: ${tag}
namespace: $.kubernetes.namespace
selectors: {}
localOutputRefs:
- demo-outputFluentd config result:
<filter **>
@type prometheus
@id logging-demo-flow_2_prometheus
<metric>
desc The total number of foo in message.
name total_counter
type counter
<labels>
foo bar
</labels>
</metric>
<labels>
host ${hostname}
namespace $.kubernetes.namespace
tag ${tag}
</labels>
</filter>
Last modified March 4, 2026: Merge 226a3feb59c1d7b021d0c6a8b8ce786f127d0476 into cdc33085ef037f9c3c10a8571069207484a45855 (dad6875)