feat: add ability to define deployment strategy; add ci upgrade tests (…

…#38)

Signed-off-by: ericgraf <[email protected]>

.github/workflows/ci-cd.yml

@@ -63,7 +63,11 @@ jobs:
           do
             echo "Running test $(pwd)/${TEST_DIR}"
             ct install --target-branch ${{ env.TARGET_BRANCH }} --charts $(pwd)/${TEST_DIR}
-          done
+          done      
+      - name: Run an upgrade test
+        if: steps.list-changed.outputs.changed == 'true' || github.event_name == 'push'
+        run: |
+          ct install --upgrade --target-branch ${{ env.TARGET_BRANCH }}
       - if: github.event_name == 'push' && github.ref_name == 'main'
         name: Run chart-releaser
         uses: helm/[email protected]

charts/zot/Chart.yaml

@@ -3,4 +3,4 @@ appVersion: v2.0.2-rc1
 description: A Helm chart for Kubernetes
 name: zot
 type: application
-version: 0.1.48
+version: 0.1.49

charts/zot/templates/deployment.yaml

@@ -6,6 +6,10 @@ metadata:
     {{- include "zot.labels" . | nindent 4 }}
 spec:
   replicas: {{ .Values.replicaCount }}
+  {{- with .Values.strategy }}
+  strategy:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
   selector:
     matchLabels:
       {{- include "zot.selectorLabels" . | nindent 6 }}
@@ -18,6 +22,9 @@ spec:
         {{- if and .Values.mountConfig .Values.configFiles }}
         checksum/config: {{ include (print $.Template.BasePath "/configmap.yaml") . | sha256sum }}
         {{- end }}
+        {{- if .Values.forceRoll }}
+        rollme: {{ randAlphaNum 5 | quote }}
+        {{- end }}
       labels:
         {{- include "zot.selectorLabels" . | nindent 8 }}
     spec:

charts/zot/values.yaml

@@ -172,4 +172,10 @@ extraVolumes: []
 # - name: data
 #   emptyDir: {}
 
+# Deployment strategy type
+strategy:
+  type: RollingUpdate
+#  rollingUpdate:
+#    maxUnavailable: 25%
+
 podAnnotations: {}