Description of problem:
The cassandra coundn't started for Readiness probe failed: Could not get the Cassandra status. This may mean that the Cassandra instance is not up yet.


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Install OCP 3.9 use crio
2. Deploy metrics
3. Check the pods status

Actual results:

#oc get pods
[root@ip-172-18-7-88 ~]# oc get pods
NAME                         READY     STATUS    RESTARTS   AGE
hawkular-cassandra-1-bmpm5   0/1       Running   0          12m
hawkular-metrics-qqndj       0/1       Running   1          12m
heapster-fxpsb               0/1       Running   1          12m


#oc describe pod hawkular-cassandra-1-bmpm5
Tolerations:     <none>
Events:
  Type     Reason                 Age               From                                   Message
  ----     ------                 ----              ----                                   -------
  Normal   Scheduled              7m                default-scheduler                      Successfully assigned hawkular-cassandra-1-bmpm5 to ip-172-18-1-228.ec2.internal
  Normal   SuccessfulMountVolume  7m                kubelet, ip-172-18-1-228.ec2.internal  MountVolume.SetUp succeeded for volume "cassandra-data"
  Normal   SuccessfulMountVolume  7m                kubelet, ip-172-18-1-228.ec2.internal  MountVolume.SetUp succeeded for volume "cassandra-token-x5tjl"
  Normal   SuccessfulMountVolume  7m                kubelet, ip-172-18-1-228.ec2.internal  MountVolume.SetUp succeeded for volume "hawkular-cassandra-certs"
  Normal   Pulled                 7m                kubelet, ip-172-18-1-228.ec2.internal  Container image "registry.reg-aws.openshift.com:443/openshift3/metrics-cassandra:v3.9" already present on machine
  Normal   Created                7m                kubelet, ip-172-18-1-228.ec2.internal  Created container
  Normal   Started                7m                kubelet, ip-172-18-1-228.ec2.internal  Started container
  Warning  Unhealthy              2m (x30 over 7m)  kubelet, ip-172-18-1-228.ec2.internal  Readiness probe failed: Could not get the Cassandra status. This may mean that the Cassandra instance is not up yet. Will try again
/opt/apache-cassandra/bin/cassandra-docker-ready.sh: line 25: nodetool: command not found



Expected results:


Additional info:
#oc exec hawkular-cassandra-1-bmpm5 -- /opt/apache-cassandra/bin/cassandra-docker-ready.sh
Picked up JAVA_TOOL_OPTIONS: -Duser.home=/home/jboss -Duser.name=jboss
Cassandra is in the up and normal state. It is now ready.