6ac3a4dabc
Few common files related to deployments were kept in the examples folder initially. Moving them to deploy folder and updating the relevant files. Signed-off-by: karthik-us <ksubrahm@redhat.com>
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Metrics
Liveness
CSI deploys a sidecar container that is responsible for collecting metrics.
Liveness metrics are intended to be collected by prometheus but can be accessed through a GET request to a specific pod ip.
for example
curl -X get http://[pod ip]:[liveness-port][liveness-path] 2>/dev/null | grep csi
the expected output should be
curl -X GET http://10.109.65.142:8080/metrics 2>/dev/null | grep csi
# HELP csi_liveness Liveness Probe
# TYPE csi_liveness gauge
csi_liveness 1
Promethues can be deployed through the promethues operator described here. The service-monitor will tell promethues how to pull metrics out of CSI.
Each CSI pod has a service to expose the endpoint to prometheus. By default, rbd pods run on port 8080 and cephfs 8081. These can be changed if desired or if multiple ceph clusters are deployed more ports will be used for additional CSI pods.
Note: You may need to open the ports used in your firewall depending on how your cluster has set up.