Update image version mismatch error message (#1036)

Author: deliahu

Diff for: pkg/lib/configreader/errors.go

@@ -364,6 +364,6 @@ func ErrorCortexResourceNotAllowed(resourceName string) error {
 func ErrorImageVersionMismatch(image, tag, cortexVersion string) error {
 	return errors.WithStack(&errors.Error{
 		Kind:    ErrImageVersionMismatch,
-		Message: fmt.Sprintf("the specified image (%s) has a tag (%s) which does not match your Cortex version (%s); please update the image tag, remove the image from your configuration file (to use the default value), or update your CLI by following the instructions at https://www.cortex.dev/install", image, tag, cortexVersion),
+		Message: fmt.Sprintf("the specified image (%s) has a tag (%s) which does not match your Cortex version (%s); please update the image tag, remove the image registry path from your configuration file (to use the default value), or update your CLI by following the instructions at https://www.cortex.dev/install", image, tag, cortexVersion),
 	})
 }

Diff for: pkg/workloads/cortex/serve/serve.py

@@ -40,7 +40,7 @@
 from cortex.lib.exceptions import UserRuntimeException
 
 if os.environ["CORTEX_VERSION"] != consts.CORTEX_VERSION:
-    errMsg = f"your Cortex operator version ({os.environ['CORTEX_VERSION']}) doesn't match your predictor image version ({consts.CORTEX_VERSION}); please update your cluster by following the instructions at https://www.cortex.dev/cluster-management/update, or update your predictor image by modifying the appropriate `image_*` field(s) in your cluster configuration file (e.g. cluster.yaml) and running `cortex cluster configure --config cluster.yaml`"
+    errMsg = f"your Cortex operator version ({os.environ['CORTEX_VERSION']}) doesn't match your predictor image version ({consts.CORTEX_VERSION}); please update your predictor image by modifying the `image` field in your API configuration file (e.g. cortex.yaml) and re-running `cortex deploy`, or update your cluster by following the instructions at https://www.cortex.dev/cluster-management/update"
     raise ValueError(errMsg)