fix: lint errors

Author: Mugesh SP

cns/client/client.go

@@ -1101,10 +1101,10 @@ func (c *Client) UpdateEndpoint(ctx context.Context, endpointID string, ipInfo m
 	return &response, nil
 }
 
-func (c *Client) DeleteEndpointState(ctx context.Context, endpointId string) (*cns.Response, error) {
+func (c *Client) DeleteEndpointState(ctx context.Context, endpointID string) (*cns.Response, error) {
 	// build the request
 	u := c.routes[cns.EndpointAPI]
-	uString := u.String() + endpointId
+	uString := u.String() + endpointID
 	req, err := http.NewRequestWithContext(ctx, http.MethodDelete, uString, http.NoBody)
 	if err != nil {
 		return nil, errors.Wrap(err, "failed to build request")

cns/restserver/ipam.go

@@ -1404,7 +1404,7 @@ func (service *HTTPRestService) DeleteEndpointStateHandler(w http.ResponseWriter
 	if service.EndpointStateStore == nil {
 		response := cns.Response{
 			ReturnCode: types.UnexpectedError,
-			Message:    fmt.Sprintf("[DeleteEndpointStateHandler] EndpointStateStore is not initialized"),
+			Message:    "[DeleteEndpointStateHandler] EndpointStateStore is not initialized",
 		}
 		err := common.Encode(w, &response)
 		logger.Response(opName, response, response.ReturnCode, err)
@@ -1447,7 +1447,7 @@ func (service *HTTPRestService) DeleteEndpointStateHelper(endpointID string) err
 	_, endpointExist := service.EndpointState[endpointID]
 	if !endpointExist {
 		logger.Printf("[deleteEndpointState] endpoint could not be found in the statefile %s", endpointID)
-		return fmt.Errorf("[deleteEndpointState] endpoint %s does not exist in the statefile", endpointID)
+		return fmt.Errorf("[deleteEndpointState] endpoint %s: %w", endpointID, ErrEndpointStateNotFound)
 	}
 
 	// Delete the endpoint from the state

network/manager.go

@@ -773,11 +773,11 @@ func (nm *networkManager) DeleteState(epInfos []*EndpointInfo) error {
 	if nm.IsStatelessCNIMode() {
 		for _, epInfo := range epInfos {
 			if epInfo.NICType == cns.NodeNetworkInterfaceFrontendNIC {
-				response, err := nm.CnsClient.DeleteEndpointState(context.TODO(), epInfo.ContainerID)
+				response, err := nm.CnsClient.DeleteEndpointState(context.TODO(), epInfo.EndpointID)
 				if err != nil {
-					return errors.Wrapf(err, "Delete endpoint API returned with error for endpoint %s", epInfo.ContainerID)
+					return errors.Wrapf(err, "Delete endpoint API returned with error for endpoint %s", epInfo.EndpointID)
 				}
-				logger.Info("Delete endpoint API returned", zap.String("endpointID", epInfo.ContainerID), zap.String("returnCode", response.ReturnCode.String()))
+				logger.Info("Delete endpoint API returned", zap.String("endpointID", epInfo.EndpointID), zap.String("returnCode", response.ReturnCode.String()))
 			}
 		}
 		return nil