ci: tweak deploy.sh

kubernetes/scripts/deploy.sh

@@ -47,9 +47,11 @@
       else
         # need to be manually saved
         # live object contains keys which can't be "applied"
-        liveObject=$("${kctl[@]}" get -f "$file" -o json)
-        rmKeys='del(.metadata.creationTimestamp, .metadata.managedFields, .metadata.resourceVersion, .metadata.uid, .metadata.selfLink, .metadata.annotations)'
-        echo "$liveObject" | jq "$rmKeys" > "$backup/${file:2}"
+        if "${kctl[@]}" get -f "$file"; then # if objects exists in the cluster
+          liveObject=$("${kctl[@]}" get -f "$file" -o json)
+          rmKeys='del(.metadata.creationTimestamp, .metadata.managedFields, .metadata.resourceVersion, .metadata.uid, .metadata.selfLink, .metadata.annotations)'
+          echo "$liveObject" | jq "$rmKeys" > "$backup/${file:2}"
+        fi
       fi
     done
   }
@@ -64,11 +66,15 @@
   updateImage
 
   # finally deploy
-  "${kctl[@]}" apply -f .
-  "${kctl[@]}" annotate -f . kubernetes.io/change-cause="$reason" --overwrite=true
-  if ! "${kctl[@]}" rollout status -f ./deployment.yaml --watch=true --timeout 300s; then
-      echo "[warning][deploy.sh] deploy failed"
-      "$rollback" "$target" "$backup"
-      exit 1
+  if "${kctl[@]}" apply -f .; then
+    "${kctl[@]}" annotate -f . kubernetes.io/change-cause="$reason" --overwrite=true
+    if ! "${kctl[@]}" rollout status -f ./deployment.yaml --watch=true --timeout 300s; then
+        echo "[warning][deploy.sh] deploy failed"
+        "$rollback" "$target" "$backup"
+        exit 1
+    fi
+  else
+    echo "critical error during deploy, you need to manually revert changes!"
+    exit 2
   fi
 )