OpenShift
#########

Pods
====


List Namespaces
---------------
.. code-block:: bash

   oc projects

List Pods
---------
.. code-block:: bash

   oc get pods


Get Pod Details
---------------
.. code-block:: bash

   oc describe pod <pod_name>


Nodes
=====

List Nodes
----------
.. code-block:: bash

   oc list nodes

Access Node (shell)
-------------------
.. code-block:: bash

   oc debug node/<node_name>




Debugging
=========
.. code-block:: bash

   NAMESPACE="<namespace>"
   POD_NAME="<pod_name>"
   POD_UID=$(kubectl get pod $POD_NAME -n $NAMESPACE -o jsonpath='{.metadata.uid}')
   echo $POD_UID


.. code-block:: bash

   K8S_UID=$(echo "pod2222ac33_79f8_4062_9921_90a07cacf7ef" | sed 's/^pod//' | tr '_' '-')
   # Result: 2222ac33-79f8-4062-9921-90a07cacf7ef

   # Find Pod:
   kubectl get pods --all-namespaces -o json | \
   jq -r ".items[] | select(.metadata.uid==\"$K8S_UID\") | \"\(.metadata.namespace)/\(.metadata.name)\""


.. code-block:: bash

   dmesg -T | grep -C <surrounding_lines> '<pod_uuid>'