added deploying metrics

README.md

@@ -21,6 +21,7 @@ Standalone Labs
 * [Installing and Using Cockpit](installing_and_using_cockpit.md)
 * [Deploying Cockpit as a container](deploying_cockpit_as_a_container.md)
 * [Creating Persistent Volume](creating_persistent_volume.md)
+* [Deploying Metrics](deploying_metrics.md)
 
 ## Extended Lab Exercises 
 

deploying_metrics.md

@@ -4,9 +4,14 @@ In this lab you will learn how to deploy metrics. Deployment of metrics need a b
 
 ## Step 1
 
-Metrics needs a backend storage for the database. You'll need a `pvc` before you proceed. 
+Switch to the `openshift-infra` project
+
+```
+oc project openshift-infra
+```
+
+Metrics needs a backend storage for the database. You'll need a `pvc` before you proceed. Below is an example using [cns](cns.md) as the backend storage (your `pvc` might differ).
 
-Below is an example using [cns](cns.md) as the backend storage (your `pvc` might differ).
 ```yaml
 apiVersion: v1
 kind: PersistentVolumeClaim
@@ -29,26 +34,48 @@ $ oc create -f metrics-storage-pvc.yaml
 persistentvolumeclaim "metrics-storage" created
 ```
 
-Wait for it to go from "Pending" to "
+Wait for it to go from "Pending" to "Bound"
+```
+$ oc get pvc
+NAME              STATUS    VOLUME    CAPACITY   ACCESSMODES   STORAGECLASS    AGE
+metrics-storage   Pending                                      gluster-block   7s
+
+$ oc get pvc
+NAME              STATUS    VOLUME                                     CAPACITY   ACCESSMODES   STORAGECLASS    AGE
+metrics-storage   Bound     pvc-5ea4435f-c410-11e7-8f74-029fe14a0ff8   20Gi       RWO           gluster-block   3s
+```
 
 ## Step 2
 
-Using the ansible playbook provided by OpenShift, deploy the metrics stack and make you change these options to what makes sense to you.
+Using the ansible playbook provided by OpenShift, deploy the metrics stack and make you change these options to what makes sense to you. Take note of the options `openshift_metrics_cassandra_storage_type` and `openshift_metrics_cassandra_pvc_size`. The size must match the claim you had above.
 
 ```
 ansible-playbook /usr/share/ansible/openshift-ansible/playbooks/byo/openshift-cluster/openshift-metrics.yml \
 -e openshift_metrics_install_metrics=True \
 -e openshift_metrics_hawkular_hostname=hawkular.apps.example.com \
--e openshift_metrics_cassandra_storage_type=dynamic \
--e openshift_metrics_cassandra_pvc_size=25Gi
+-e openshift_metrics_cassandra_storage_type=pv \
+-e openshift_metrics_cassandra_pvc_size=20Gi
 ```
 
-This will take a while.
-
-## Step X
+There is a known issue where you'll have two `pvc`'s show up. Overwrite the the `rc` with the right value. 
+```
+oc volume rc/hawkular-cassandra-1 --add --overwrite --name=cassandra-data -t pvc --claim-name=metrics-storage
+```
 
-## Step X
+And delete the other `pvc`
+```
+$ oc delete pvc metrics-cassandra-1
+persistentvolumeclaim "metrics-cassandra-1" deleted
+```
 
 ## Conclusion
 
-In this lab you learned how to ...
+In this lab you learned how to set up metrics with a backend storage. You should now have metrics collection running.
+
+```
+$ oc get pods
+NAME                         READY     STATUS    RESTARTS   AGE
+hawkular-cassandra-1-08jnc   1/1       Running   0          2m
+hawkular-metrics-19vs0       1/1       Running   0          7m
+heapster-90862               1/1       Running   0          7m
+```