go.d: socket package: don't set client on connect() err (#17283)

(cherry picked from commit 9af7592fdbbf3ab7387c77accd2f9c93a8eee719)

1 files changed, 13 insertions, 4 deletions

diff --git a/src/go/collectors/go.d.plugin/pkg/socket/client.go b/src/go/collectors/go.d.plugin/pkg/socket/client.go
index ea1b57318e..26ae1dfa65 100644
--- a/src/go/collectors/go.d.plugin/pkg/socket/client.go
+++ b/src/go/collectors/go.d.plugin/pkg/socket/client.go
@@ -31,16 +31,25 @@ type Socket struct {
 // If the address is a domain name it will also perform the DNS resolution.
 // Address like :80 will attempt to connect to the localhost.
 // The config timeout and TLS config will be used.
-func (s *Socket) Connect() (err error) {
+func (s *Socket) Connect() error {
 	network, address := networkType(s.Address)
+	var conn net.Conn
+	var err error
+
 	if s.TLSConf == nil {
-		s.conn, err = net.DialTimeout(network, address, s.ConnectTimeout)
+		conn, err = net.DialTimeout(network, address, s.ConnectTimeout)
 	} else {
 		var d net.Dialer
 		d.Timeout = s.ConnectTimeout
-		s.conn, err = tls.DialWithDialer(&d, network, address, s.TLSConf)
+		conn, err = tls.DialWithDialer(&d, network, address, s.TLSConf)
 	}
-	return err
+	if err != nil {
+		return err
+	}
+
+	s.conn = conn
+
+	return nil
 }
 
 // Disconnect closes the connection.