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package client
import (
"fmt"
"net"
"net/url"
"strings"
"time"
"google.golang.org/grpc"
)
// DefaultDialOpts hold the default DialOptions for connection to Gitaly over UNIX-socket
var DefaultDialOpts = []grpc.DialOption{
grpc.WithInsecure(),
}
// Dial gitaly
func Dial(rawAddress string, connOpts []grpc.DialOption) (*grpc.ClientConn, error) {
network, addr, err := parseAddress(rawAddress)
if err != nil {
return nil, err
}
connOpts = append(connOpts,
grpc.WithDialer(func(a string, timeout time.Duration) (net.Conn, error) {
return net.DialTimeout(network, a, timeout)
}))
conn, err := grpc.Dial(addr, connOpts...)
if err != nil {
return nil, err
}
return conn, nil
}
func parseAddress(rawAddress string) (network, addr string, err error) {
// Parsing unix:// URL's with url.Parse does not give the result we want
// so we do it manually.
for _, prefix := range []string{"unix://", "unix:"} {
if strings.HasPrefix(rawAddress, prefix) {
return "unix", strings.TrimPrefix(rawAddress, prefix), nil
}
}
u, err := url.Parse(rawAddress)
if err != nil {
return "", "", err
}
if u.Scheme != "tcp" {
return "", "", fmt.Errorf("unknown scheme: %q", rawAddress)
}
if u.Host == "" {
return "", "", fmt.Errorf("network tcp requires host: %q", rawAddress)
}
if u.Path != "" {
return "", "", fmt.Errorf("network tcp should have no path: %q", rawAddress)
}
return "tcp", u.Host, nil
}
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