Update error code and RPC struct for version inconsistency issues

pkg/errors/codes/codes.go

@@ -60,6 +60,7 @@ const (
 	VolumeAccessInconsistent
 	PreCheckFailed
 	ProviderNotReady
+	InconsistentVersion
 	// This is not a valid code, it is used to get the maximum code value.
 	// Any new codes should be defined above this.
 	_maxCode

pkg/errors/codes/codes_string.go

@@ -113,6 +113,8 @@ func (c MocCode) String() string {
 		return "PreCheckFailed"
 	case ProviderNotReady:
 		return "ProviderNotReady"
+	case InconsistentVersion:
+		return "InconsistentVersion"
 	default:
 		return "MocCode(" + strconv.FormatUint(uint64(c), 10) + ")"
 	}

pkg/errors/errors.go

@@ -134,6 +134,7 @@ var (
 	IPOutOfRange                error = NewMocError(moccodes.IPOutOfRange)
 	PreCheckFailed              error = NewMocError(moccodes.PreCheckFailed)
 	ProviderNotReady            error = NewMocError(moccodes.ProviderNotReady)
+	InconsistentVersion         error = NewMocError(moccodes.InconsistentVersion)
 )
 
 // legacyErrorMessages - map of error codes to their legacy string representation. This is solely for backwards compatibility
@@ -570,6 +571,10 @@ func IsProviderNotReady(err error) bool {
 	return checkError(err, ProviderNotReady)
 }
 
+func IsInconsistentVersion(err error) bool {
+	return checkError(err, InconsistentVersion)
+}
+
 // checkError checks if the wrappedError has the same MocCode as the err error according to GetMocErrorCode.
 // If the error is not matched by GetMocErrorCode and the error does not have a GRPC code (or is a GRPC Unknown code),
 // it will attempt to match the error strings through string matching (even for multierrors).

rpc/common/admin/health/moc_common_health.proto

@@ -26,6 +26,7 @@ message AgentInfoResponse{
 	google.protobuf.BoolValue Result = 2;
 	string  Error = 3;
 	string deploymentId = 4;
+	string version = 5;
 }
 
 service HealthAgent {