Upgrade to prometheus-operator helmfile version 7.4.0 which is necessary before upgrading to 8

ansible/group_vars/all/oas.yml

@@ -61,3 +61,6 @@ cert_manager:
   # the helm chart. See https://hub.helm.sh/charts/jetstack/cert-manager for
   # details
   crd_version: '0.9'
+
+prometheus:
+  crd_version: 'v0.34.0'

ansible/roles/apps/tasks/helmfiles.yml

@@ -32,7 +32,7 @@
     - monitoring
   # NOTE: When upgrading prometheus, make sure you sed 0.32.0 to the newest
   # appVersion
-  command: '/snap/bin/kubectl apply -f https://raw.githubusercontent.com/coreos/prometheus-operator/v0.32.0/example/prometheus-operator-crd/{{ item }}'
+  command: '/snap/bin/kubectl apply -f https://raw.githubusercontent.com/coreos/prometheus-operator/{{ prometheus.crd_version }}/example/prometheus-operator-crd/{{ item }}'
   loop:
     - alertmanager.crd.yaml
     - prometheus.crd.yaml

helmfiles/helmfile.d/15-monitoring.yaml

@@ -7,7 +7,7 @@ releases:
   - name: "oas-{{ .Environment.Values.releaseName }}-prometheus"
     namespace: "oas"
     chart: "stable/prometheus-operator"
-    version: 6.21.0
+    version: "7.4.0"
     values:
     - "../values/prometheus.yaml.gotmpl"
     - "/etc/OpenAppStack/values/apps/prometheus.yaml.gotmpl"