ci: e2e job for ceph-csi operator

This commit adds new job mini-e2e-operator for running
ceph-csi e2e tests deployed via ceph-csi-operator.

Signed-off-by: Praveen M <m.praveen@ibm.com>

jobs/mini-e2e.yaml

@@ -23,6 +23,7 @@
     jobs:
       - 'mini-e2e_k8s-{k8s_version}'
       - 'mini-e2e-helm_k8s-{k8s_version}'
+      - 'mini-e2e-operator_k8s-{k8s_version}'
 
 - job-template:
     name: 'mini-e2e_k8s-{k8s_version}'
@@ -115,3 +116,49 @@
           org-list:
             - ceph
           allow-whitelist-orgs-as-admins: true
+
+- job-template:
+    name: 'mini-e2e-operator_k8s-{k8s_version}'
+    project-type: pipeline
+    concurrent: true
+    properties:
+      - github:
+          url: https://github.com/ceph/ceph-csi
+      - build-discarder:
+          days-to-keep: 7
+          artifact-days-to-keep: 7
+    # default variables
+    k8s_version: '<unset>'
+    # generated parameters for the job (used in the groovy script)
+    parameters:
+      - string:
+          name: k8s_version
+          default: '{k8s_version}'
+          description: Kubernetes version to deploy in the test cluster.
+      - string:
+          name: test_type
+          default: ''
+          description: Mentions whether tests run for rbd/cephfs/nfs.
+
+    pipeline-scm:
+      scm:
+        - git:
+            name: origin
+            url: https://github.com/ceph/ceph-csi
+            branches:
+              - ci/centos
+      script-path: mini-e2e-operator.groovy
+      lightweight-checkout: true
+    triggers:
+      - github-pull-request:
+          status-url: $RUN_DISPLAY_URL
+          status-context: 'ci/centos/mini-e2e-operator/k8s-{k8s_version}'
+          # yamllint disable-line rule:line-length
+          trigger-phrase: '/(re)?test ci/centos/mini-e2e-operator(/k8s-{k8s_version}(/test_type-{test_type})?)?'
+          only-trigger-phrase: '{only_run_on_request}'
+          permit-all: true
+          github-hooks: true
+          black-list-target-branches:
+            - ci/centos
+          org-list:
+            - ceph