README.md

Custom Resource Definition

Custom Resource Definition

Tips and Tricks

For simulated Practice problems visit KillerCoda.

1. Create a Custom Resource Definition named BusTicket in the ticket.com API group.

   Solution

   apiVersion: apiextensions.k8s.io/v1
   kind: CustomResourceDefinition
   metadata:
     name: bustickets.ticket.com
   spec:
     group: ticket.com
     versions:
       - name: v1
         served: true
         storage: true
         schema:
           openAPIV3Schema:
             type: object
             properties:
               spec:
                 type: object
                 properties:
                   from:
                     type: string
                   to:
                     type: string
                   seats:
                     type: integer
     scope: Namespaced
     names:
       plural: bustickets
       singular: busticket
       kind: BusTicket
       shortNames:
       - bt

2. Create a Custom Resource named my-ticket of type BusTicket in the default namespace.

   Solution

   kubectl apply -f - <<EOF
   apiVersion: ticket.com/v1
   kind: BusTicket
   metadata:
     name: my-ticket
   spec:
     from: "New Delhi"
     to: "Mumbai"
     seats: 5
   EOF

3. Update the from value of the BusTicket named my-ticket in the default namespace to newvalue.

   Solution

    ```bash
    kubectl patch busticket my-ticket --type='json' -p='[{"op": "replace", "path": "/spec/from", "value": "Bangalore"}]'
    ```
    </p>