[ci] Pin loki-operator version to 6.3.0

Loki-operator needs to be pinned to 6.3.0, because 6.3.1 has this
issue: https://issues.redhat.com/browse/LOG-7752

Author: elfiesmelfie

ci/cloudkitty-pre_deploy-install_loki.yml

@@ -14,11 +14,38 @@
             github.com/openstack-k8s-operators/telemetry-operator:
               src_dir: "{{ telemetry_operator_dir | default('telemetry-operator/') }}"
 
+      # NOTE: The value doesn't get used unless the deploy-loki-for-ck is converted into a template and rendered.
+      # TODO: Update the yaml to a template
+    - name: Set the loki-operator version to pin the version
+      ansible.builtin.set_fact:
+        loki_operator_version: "v6.3.0"
+
     - name: Deploy loki operator
       ansible.builtin.shell:
         cmd: |
           oc apply -f {{ ansible_user_dir }}/{{ zuul.projects['github.com/openstack-k8s-operators/telemetry-operator'].src_dir }}/ci/deploy-loki-for-ck.yaml
 
+    - name: Get and approve the installplan when the version is pinned
+      when: loki_operator_version is defined
+      block:
+        - name: Get the installplan from the loki-operator subscription
+          ansible.builtin.shell:
+            cmd: |
+              oc get installplan -n openshift-operators-redhat | grep "loki-operator.{{ loki_operator_version }}" | awk '{print $1}'
+          retries: 10
+          delay: 10
+          register: loki_installplan
+          until: loki_installplan.stdout_lines | length != 0
+
+        - name: Show the loki_installplan from oc get installplan
+          ansible.builtin.debug:
+            var: loki_installplan
+
+        - name: Approve the installation
+          ansible.builtin.shell:
+            cmd: |
+              oc patch -n openshift-operators-redhat installplan {{ loki_installplan.stdout }} --type='json' -p='[{"op": "replace", "path": "/spec/approved", "value":true}]'
+
     - name: Wait up to 5 minutes until the Loki CSV is Succeeded
       ansible.builtin.shell:
         cmd: |

ci/deploy-loki-for-ck.yaml

@@ -21,6 +21,8 @@ metadata:
   namespace: openshift-operators-redhat
 spec:
   channel: stable-6.3
+  installPlanApproval: Manual
+  startingCSV: loki-operator.v6.3.0
   name: loki-operator
   source: redhat-operators
   sourceNamespace: openshift-marketplace