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 December 3, 2025: Merge 93ef79b90193df9d95bda2068bba61200e21e86b into 2eea06951e5cb8d307b35fee26ea2a83a8ed6bdb (e71de0b)