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Merge pull request #7848 from bermudezmt/ucp-cluster-metrics 

Ucp cluster metrics
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Anne Henmi 2018-12-26 09:38:46 -07:00 committed by GitHub
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ee/ucp/admin/configure/collect-cluster-metrics.md
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@ -27,7 +27,7 @@ These are high-level aggregate metrics that typically combine technical, financi
- Company or division-level application downtime
- Aggregate resource utilization
- Application resource demand growth
 
## Application metrics ##
These are metrics about domain of APM tools like AppDynamics or DynaTrace and provide metrics about the state or performance of the application itself.
@ -35,7 +35,9 @@ These are metrics about domain of APM tools like AppDynamics or DynaTrace and pr
- Container platform metrics
- Host infrastructure metrics
Docker EE 2.1 does not collect or expose application level metrics. The following are metrics Docker EE 2.1 collects, aggregates, and exposes:
Docker EE 2.1 does not collect or expose application level metrics.
The following are metrics Docker EE 2.1 collects, aggregates, and exposes:
## Service state metrics ##
@ -44,7 +46,6 @@ These are metrics about the state of services running on the container platform.
- Convergence of K8s deployments and Swarm services
- Cluster load by number of services or containers or pods
## Host infrastructure metrics ##
These are metrics taken from te software & hardware infrastructure.
@ -54,7 +55,6 @@ These are metrics taken from te software & hardware infrastructure.
- Storage I/O - disk I/O, IOPs, capacity
- Operating System – file descriptors, open network connections, number of processes/threads
## Container infrastructure system metrics ##
These are application-level metrics derived from the container platform itself.
@ -84,8 +84,12 @@ To deploy Prometheus on worker nodes in a cluster:
$ kubectl label node 3a724a-1 ucp-metrics=
node "test-3a724a-1" labeled
```
> **SELinux Prometheus Deployment for UCP 3.1.0, 3.1.1, and 3.1.2**
>
> If you are using SELinux, you must label your `ucp-node-certs` directories properly on your worker nodes before you move the ucp-metrics workload to them. To run ucp-metrics on a worker node, update the `ucp-node-certs` label by running `sudo chcon -R system_u:object_r:container_file_t:s0 /var/lib/docker/volumes/ucp-node-certs/_data`.
4. Patch the ucp-metrics DaemonSet's nodeSelector using the same key and value used for the node label. This example shows the key “ucp-metrics” and the value “”.
4. Patch the ucp-metrics DaemonSet's nodeSelector using the same key and value used for the node label. This example shows the key "ucp-metrics" and the value "".
```
$ kubectl -n kube-system patch daemonset ucp-metrics --type json -p '[{"op": "replace", "path": "/spec/template/spec/nodeSelector", "value": {"ucp-metrics": ""}}]'