Snowflake-Labs/redis_exporter

Snowflake-Labs/redis_exporter

Description: Snowflake fork for oliver006/redis_exporter

License: MIT

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Forks: 0

Open issues: 0

Created: 2026-01-15T04:43:04Z

Pushed: 2026-01-26T08:29:39Z

Default branch: master

Fork: yes

Parent repository: oliver006/redis_exporter

Archived: no

README:

Prometheus Valkey & Redis Metrics Exporter


Prometheus exporter for Valkey metrics (Redis-compatible).\ Supports Valkey and Redis 2.x, 3.x, 4.x, 5.x, 6.x, and 7.x

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Building and running the exporter

Build and run locally

git clone https://github.com/oliver006/redis_exporter.git
cd redis_exporter
go build .
./redis_exporter --version

Pre-build binaries

For pre-built binaries please take a look at the releases.

Basic Prometheus Configuration

Add a block to the scrape_configs of your prometheus.yml config file:

scrape_configs:
- job_name: redis_exporter
static_configs:
- targets: ['>:9121']

and adjust the host name accordingly.

Kubernetes SD configurations

To have instances in the drop-down as human readable names rather than IPs, it is suggested to use instance relabelling.

For example, if the metrics are being scraped via the pod role, one could add:

- source_labels: [__meta_kubernetes_pod_name]
action: replace
target_label: instance
regex: (.*redis.*)

as a relabel config to the corresponding scrape config. As per the regex value, only pods with "redis" in their name will be relabelled as such.

Similar approaches can be taken with other role types depending on how scrape targets are retrieved.

Prometheus Configuration to Scrape Multiple Redis Hosts

The Prometheus docs have a very informative article on how multi-target exporters are intended to work.

Run the exporter with the command line flag --redis.addr= so it won't try to access the local instance every time the /metrics endpoint is scraped. Using below config instead of the /metric endpoint the /scrape endpoint will be used by prometheus. As an example the first target will be queried with this web request: http://exporterhost:9121/scrape?target=first-redis-host:6379

scrape_configs:
## config for the multiple Redis targets that the exporter will scrape
- job_name: 'redis_exporter_targets'
static_configs:
- targets:
- redis://first-redis-host:6379
- redis://second-redis-host:6379
- redis://second-redis-host:6380
- redis://second-redis-host:6381
metrics_path: /scrape
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: >:9121

## config for scraping the exporter itself
- job_name: 'redis_exporter'
static_configs:
- targets:
- >:9121

The Redis instances are listed under targets, the Redis exporter hostname is configured via the last relabel_config rule.\ If authentication is needed for the Redis instances then you can set the password via the --redis.password command line option of the exporter (this means you can currently only use one password across the instances you try to scrape this way. Use several exporters if this is a problem). \ You can also use a json file to supply multiple targets by using file_sd_configs like so:

scrape_configs:
- job_name: 'redis_exporter_targets'
file_sd_configs:
- files:
- targets-redis-instances.json
metrics_path: /scrape
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: >:9121

## config for scraping the exporter itself
- job_name: 'redis_exporter'
static_configs:
- targets:
- >:9121

The targets-redis-instances.json should look something like this:

[
{
"targets": [ "redis://redis-host-01:6379", "redis://redis-host-02:6379"],
"labels": { }
}
]

Prometheus uses file watches and all changes to the json file are applied immediately.

Prometheus Configuration to Scrape All Nodes in a Redis Cluster

When using a Redis Cluster, the exporter provides a discovery endpoint that can be used to discover all nodes in the cluster. To use this feature, the exporter must be started with the --is-cluster flag.\ The discovery endpoint is available at /discover-cluster-nodes and can be used in the Prometheus configuration like this:

scrape_configs:
- job_name: 'redis_exporter_cluster_nodes'
http_sd_configs:
- url: http://>:9121/discover-cluster-nodes
refresh_interval: 10m
metrics_path: /scrape
relabel_configs:
- source_labels: [__address__]
target_label: __param_target
- source_labels: [__param_target]
target_label: instance
- target_label: __address__
replacement: >:9121

## config for scraping the exporter itself
- job_name: 'redis_exporter'
static_configs:
- targets:
- >:9121

Command line flags

| Name | Environment Variable Name | Description | |-------------------------------------|--------------------------------------------------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | redis.addr | REDIS_ADDR | Address of the Redis instance, defaults to redis://localhost:6379. If TLS is enabled, the address must…