Update golanci-lint

network/circuit_breaker.go

@@ -56,7 +56,7 @@ func (c *circuitBreakerDialer) doClosed(ctx context.Context,
 			conn.Close()
 		}
 
-		return nil, ctx.Err()
+		return nil, ctx.Err() // nolint: wrapcheck
 	case c.stateMutexChan <- true:
 		defer func() {
 			<-c.stateMutexChan
@@ -66,7 +66,7 @@ func (c *circuitBreakerDialer) doClosed(ctx context.Context,
 	if err == nil {
 		c.switchState(circuitBreakerStateClosed)
 
-		return conn, err // nolint: wrapcheck
+		return conn, nil
 	}
 
 	c.failuresCount++
@@ -91,7 +91,7 @@ func (c *circuitBreakerDialer) doHalfOpened(ctx context.Context, network, addres
 			conn.Close()
 		}
 
-		return nil, ctx.Err()
+		return nil, ctx.Err() // nolint: wrapcheck
 	case c.stateMutexChan <- true:
 		defer func() {
 			<-c.stateMutexChan

network/default.go

@@ -31,7 +31,10 @@ func (d *defaultDialer) DialContext(ctx context.Context, network, address string
 		return nil, fmt.Errorf("cannot dial to %s: %w", address, err)
 	}
 
-	tcpConn := conn.(*net.TCPConn)
+	tcpConn, ok := conn.(*net.TCPConn)
+	if !ok {
+		panic("conn type is not tcp")
+	}
 
 	if err := tcpConn.SetNoDelay(true); err != nil {
 		conn.Close()

network/init_internal_test.go

@@ -14,11 +14,11 @@ type DialerMock struct {
 func (d *DialerMock) Dial(network, address string) (net.Conn, error) {
 	args := d.Called(network, address)
 
-	return args.Get(0).(net.Conn), args.Error(1)
+	return args.Get(0).(net.Conn), args.Error(1) // nolint: wrapcheck
 }
 
 func (d *DialerMock) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
 	args := d.Called(ctx, network, address)
 
-	return args.Get(0).(net.Conn), args.Error(1)
+	return args.Get(0).(net.Conn), args.Error(1) // nolint: wrapcheck
 }

network/init_test.go

@@ -21,13 +21,13 @@ type DialerMock struct {
 func (d *DialerMock) Dial(network, address string) (net.Conn, error) {
 	args := d.Called(network, address)
 
-	return args.Get(0).(net.Conn), args.Error(1)
+	return args.Get(0).(net.Conn), args.Error(1) // nolint: wrapcheck
 }
 
 func (d *DialerMock) DialContext(ctx context.Context, network, address string) (net.Conn, error) {
 	args := d.Called(ctx, network, address)
 
-	return args.Get(0).(net.Conn), args.Error(1)
+	return args.Get(0).(net.Conn), args.Error(1) // nolint: wrapcheck
 }
 
 type HTTPServerTestSuite struct {

network/network.go

@@ -20,7 +20,7 @@ type networkHTTPTransport struct {
 func (n networkHTTPTransport) RoundTrip(req *http.Request) (*http.Response, error) {
 	req.Header.Set("User-Agent", n.userAgent)
 
-	return n.next.RoundTrip(req)
+	return n.next.RoundTrip(req) // nolint: wrapcheck
 }
 
 type network struct {

network/proxy_dialer_internal_test.go

@@ -21,7 +21,7 @@ func (suite *ProxyDialerTestSuite) SetupSuite() {
 }
 
 func (suite *ProxyDialerTestSuite) TestSetupDefaults() {
-	d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer)
+	d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer) // nolint: forcetypeassert
 	suite.EqualValues(ProxyDialerOpenThreshold, d.openThreshold)
 	suite.EqualValues(ProxyDialerHalfOpenTimeout, d.halfOpenTimeout)
 	suite.EqualValues(ProxyDialerResetFailuresTimeout, d.resetFailuresTimeout)
@@ -34,7 +34,7 @@ func (suite *ProxyDialerTestSuite) TestSetupValuesAllOk() {
 	query.Set("half_open_timeout", "2s")
 	suite.u.RawQuery = query.Encode()
 
-	d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer)
+	d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer) // nolint: forcetypeassert
 	suite.EqualValues(30, d.openThreshold)
 	suite.EqualValues(2*time.Second, d.halfOpenTimeout)
 	suite.EqualValues(time.Second, d.resetFailuresTimeout)
@@ -50,7 +50,7 @@ func (suite *ProxyDialerTestSuite) TestOpenThreshold() {
 			query.Set("open_threshold", param)
 			suite.u.RawQuery = query.Encode()
 
-			d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer)
+			d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer) // nolint: forcetypeassert
 			assert.EqualValues(t, ProxyDialerOpenThreshold, d.openThreshold)
 		})
 	}
@@ -66,7 +66,7 @@ func (suite *ProxyDialerTestSuite) TestHalfOpenTimeout() {
 			query.Set("half_open_timeout", param)
 			suite.u.RawQuery = query.Encode()
 
-			d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer)
+			d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer) // nolint: forcetypeassert
 			assert.EqualValues(t, ProxyDialerHalfOpenTimeout, d.halfOpenTimeout)
 		})
 	}
@@ -82,7 +82,7 @@ func (suite *ProxyDialerTestSuite) TestResetFailuresTimeout() {
 			query.Set("reset_failures_timeout", param)
 			suite.u.RawQuery = query.Encode()
 
-			d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer)
+			d := newProxyDialer(&DialerMock{}, suite.u).(*circuitBreakerDialer) // nolint: forcetypeassert
 			assert.EqualValues(t, ProxyDialerHalfOpenTimeout, d.halfOpenTimeout)
 		})
 	}