-
Notifications
You must be signed in to change notification settings - Fork 746
/
client.go
69 lines (59 loc) · 1.99 KB
/
client.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
package daemon
import (
"net/http"
"path/filepath"
"github.com/containers/image/types"
dockerclient "github.com/docker/docker/client"
"github.com/docker/go-connections/tlsconfig"
)
const (
// The default API version to be used in case none is explicitly specified
defaultAPIVersion = "1.22"
)
// NewDockerClient initializes a new API client based on the passed SystemContext.
func newDockerClient(ctx *types.SystemContext) (*dockerclient.Client, error) {
host := dockerclient.DefaultDockerHost
if ctx != nil && ctx.DockerDaemonHost != "" {
host = ctx.DockerDaemonHost
}
// Sadly, unix:// sockets don't work transparently with dockerclient.NewClient.
// They work fine with a nil httpClient; with a non-nil httpClient, the transport’s
// TLSClientConfig must be nil (or the client will try using HTTPS over the PF_UNIX socket
// regardless of the values in the *tls.Config), and we would have to call sockets.ConfigureTransport.
//
// We don't really want to configure anything for unix:// sockets, so just pass a nil *http.Client.
proto, _, _, err := dockerclient.ParseHost(host)
if err != nil {
return nil, err
}
var httpClient *http.Client
if proto != "unix" {
hc, err := tlsConfig(ctx)
if err != nil {
return nil, err
}
httpClient = hc
}
return dockerclient.NewClient(host, defaultAPIVersion, httpClient, nil)
}
func tlsConfig(ctx *types.SystemContext) (*http.Client, error) {
options := tlsconfig.Options{}
if ctx != nil && ctx.DockerDaemonInsecureSkipTLSVerify {
options.InsecureSkipVerify = true
}
if ctx != nil && ctx.DockerDaemonCertPath != "" {
options.CAFile = filepath.Join(ctx.DockerDaemonCertPath, "ca.pem")
options.CertFile = filepath.Join(ctx.DockerDaemonCertPath, "cert.pem")
options.KeyFile = filepath.Join(ctx.DockerDaemonCertPath, "key.pem")
}
tlsc, err := tlsconfig.Client(options)
if err != nil {
return nil, err
}
return &http.Client{
Transport: &http.Transport{
TLSClientConfig: tlsc,
},
CheckRedirect: dockerclient.CheckRedirect,
}, nil
}