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implement grpc metrics for ceph-csi

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Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>
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Madhu Rajanna
2019-08-21 14:58:02 +05:30
committed by mergify[bot]
parent 01a78cace5
commit a81a3bf96b
46 changed files with 1363 additions and 158 deletions
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25
docs/metrics.md
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@ -1,9 +1,13 @@
# Metrics
CSI deploys a sidecar container that is responsible for collecting metrics.
- [Metrics](#metrics)
- [Liveness](#liveness)
- [GRPC metrics](#grpc-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 accesesed
through a GET request to a specific pod ip.
@ -13,7 +17,7 @@ for example
the expected output should be
```bash
[root@worker2 /]# curl -X GET http://10.109.65.142:8080/metrics 2>/dev/null | grep csi
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
@ -23,10 +27,23 @@ Promethues can be deployed through the promethues operator described [here](http
The [service-monitor](../examples/service-monitor.yaml) will tell promethues how
to pull metrics out of CSI.
Each CSI pod has a service to expose the end point to prometheus. By default rbd
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.
You may need to open the ports used in your firewall depending on how you
Note: You may need to open the ports used in your firewall depending on how you
cluster is setup.
## GRPC metrics
grpc metrics are intended to be collected by prometheus but can be accesesed
through a GET request to a specific pod ip.
Each CSI pod has a service to expose the endpoint to prometheus. By default rbd
pods run on port 8090 and cephfs 8091.
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 you
cluster is setup.