This snap includes ha_cluster_exporter to provide Pacemaker-based HA cluster statistics via Prometheus. Grafana dashboards can then be used to visualize the exported metrics.
How-To
How to install the snap:
sudo snap install hacluster-exporter
The snap starts ha_cluster_exporter as a daemon automatically and exposes
metrics on :9664/metrics by default.
How to use the service:
Configure Prometheus to scrape http://<cluster-node>:9664/metrics.
For the most complete cluster visibility, run the snap on each cluster node.
The exporter inspects the local node on each scrape and exposes Pacemaker, Corosync, SBD, and DRBD metrics when those components are available.
Reference
Default runtime values:
web.listen-address: the address on which the exporter exposes metrics.
The default is :9664.web.telemetry-path: the HTTP path on which metrics are exposed.
The default is /metrics.This snap currently starts the exporter with the upstream defaults and does not expose additional snap configuration options.
Links
Upstream ha_cluster_exporter repository
https://github.com/ClusterLabs/ha_cluster_exporter
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Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.
If you’re running Kubuntu 16.04 LTS (Xenial Xerus) or later, including Kubuntu 18.04 LTS (Bionic Beaver) and Kubuntu 18.10 (Cosmic Cuttlefish), you don’t need to do anything. Snap is already installed and ready to go.
Versions of Kubuntu between 14.04 LTS (Trusty Tahr) and 15.10 (Wily Werewolf) don’t include snap by default, but snap can be installed from the command line as follows:
sudo apt update
sudo apt install snapd
To install HA Cluster Exporter, simply use the following command:
sudo snap install hacluster-exporter --classic
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