#### openshift list all pods and thier specs (requests/limits)
```
oc get pod -o jsonpath='{range .items[*]}{"SPEC:  \n  LIMITS  : "}{.spec.containers[*].resources.limits}{"\n  REQUESTS: "}{.spec.containers[*].resources.requests}{"\n"}{end}'
```

#### openshift list all pods and thier specs with name (requests /limits)
```
oc get pod -o jsonpath='{range .items[*]}{"NAME:  "}{.metadata.name}{"\nSPEC:  \n  LIMITS  : "}{.spec.containers[*].resources.limits}{"\n  REQUESTS: "}{.spec.containers[*].resources.requests}{"\n\n"}{end}'
```

#### openshift list all nodes and thier corresponding os/kernel verion
```
oc get nodes -o jsonpath='{range .items[*]}{"\t"}{.metadata.name}{"\t"}{.status.nodeInfo.osImage}{"\t"}{.status.nodeInfo.kernelVersion}{"\n"}{end}'
```


#### openshift patch build config with patch
```
oc patch bc/kube-ops-view -p '{"spec":{"resources":{"limits":{"cpu":"1","memory":"1024Mi"},"requests":{"cpu":"100m","memory":"256Mi"}}}}'
```

#### openshift display the images used by Replication Controller
```
oc get rc -n openshift-infra -o jsonpath='{range .items[*]}{"RC: "}{.metadata.name}{"\n Image:"}{.spec.template.spec.containers[*].image}{"\n"}{end}'
```

#### openshift display the requestor for namespace
```
oc get namespace ui-test -o template --template '{{ index .metadata.annotations "openshift.io/requester"  }}'
```

#### openshift display all projects and its creator sorted by creator
```
IFS=,; while read data1 data2; do printf "%-60s : %-50s\n" $data1 $data2; 
done < <( oc get projects -o template \
--template '{{range .items}}{{.metadata.name}},{{index .metadata.annotations "openshift.io/requester"}}{{"\n"}}{{end }}' |
sort -t, -k2 )
```
#### openshift fetch custom column name from metadata
```
oc get rolebinding -o=custom-columns=USERS:.userNames,GROUPS:.groupNames


for i in `oc get pv  -o=custom-columns=NAME:.metadata.name | grep pvc` ;
   do oc describe pv $i | grep Path |awk '{print $2}';
done
```


#### openshift-machine-api
```
oc get nodes 
oc project openshift-machine-api
oc get machine -o=custom-columns="name:.metadata.name,Status:status.phase,Address:.status.addresses[1].address,state:status.providerStatus.instanceState"
```

#### scaling up workers
```
oc get machineset
oc scale --replicas=1 machineset primary-w5bzm-worker-0  -n openshift-machine-api
```

#### troubleshooting the nodes
```
oc get nodes
oc debug node/primary-w5bzm-master-0

# change root to host
chroot /host
```



#### adding
```
["-device","virtio-serial","-chardev","file,id=virtioserial_ovirt11,path=/tmp/virtioserial_ovirt11_journal.log,append=on","-device", "virtserialport,chardev=virtioserial_ovirt11,name=com.coreos.ignition.journal"]

```