This repository has been archived by the owner on Feb 14, 2023. It is now read-only.
-
Notifications
You must be signed in to change notification settings - Fork 0
/
docker.go
104 lines (88 loc) · 2.7 KB
/
docker.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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
// Copyright 2016-2018 Stratumn SAS. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package testutil
import (
"context"
"fmt"
"io"
"os"
"time"
docker "docker.io/go-docker"
types "docker.io/go-docker/api/types"
"docker.io/go-docker/api/types/container"
"docker.io/go-docker/api/types/network"
"github.com/docker/go-connections/nat"
)
// PullImage pulls an image from docker hub if image is not available or not up to date.
func PullImage(imageName string) error {
cli, err := docker.NewEnvClient()
if err != nil {
return err
}
out, err := cli.ImagePull(context.Background(), imageName, types.ImagePullOptions{})
if err != nil {
return err
}
defer out.Close()
_, err = io.Copy(os.Stdout, out)
return err
}
// KillContainer stops and removes specified container.
func KillContainer(containerName string) error {
cli, err := docker.NewEnvClient()
if err != nil {
return err
}
timeout := 1 * time.Millisecond
if err := cli.ContainerStop(context.Background(), containerName, &timeout); err != nil {
return err
}
return cli.ContainerRemove(context.Background(), containerName, types.ContainerRemoveOptions{})
}
// RunContainerWithEnv reproduces docker run command.
func RunContainerWithEnv(containerName string, imageName string, envVariables []string, exposedPorts nat.PortSet, portBindings nat.PortMap) error {
cli, err := docker.NewEnvClient()
if err != nil {
return err
}
err = PullImage(imageName)
if err != nil {
fmt.Fprintf(os.Stderr, "Cannot pull docker image %s: %s\n", imageName, err)
}
_, err = cli.ContainerCreate(
context.Background(),
&container.Config{
Image: imageName,
ExposedPorts: exposedPorts,
Env: envVariables,
},
&container.HostConfig{
PortBindings: portBindings,
},
&network.NetworkingConfig{},
containerName,
)
if err != nil {
return err
}
return cli.ContainerStart(
context.Background(),
containerName,
types.ContainerStartOptions{},
)
}
// RunContainer reproduces docker run command.
func RunContainer(containerName string, imageName string, exposedPorts nat.PortSet, portBindings nat.PortMap) error {
return RunContainerWithEnv(containerName, imageName, []string{}, exposedPorts, portBindings)
}