/
docker.go
189 lines (164 loc) · 5.93 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
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
package delegate
import (
"context"
"io"
"os"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/container"
"github.com/docker/docker/api/types/network"
"github.com/docker/docker/client"
"github.com/harness/harness-go-sdk/harness/utils"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"github.com/pkg/errors"
log "github.com/sirupsen/logrus"
)
const (
harnessDockerImage = "harness/delegate:latest"
)
type DockerDelegateConfig struct {
AccountId string
AccountSecret string
DelegateName string
ContainerName string
Image string
ProfileId string
EnvVars map[string]string
ClientOptions client.Opt
ContainerConfig *container.Config
HostConfig *container.HostConfig
NetworkingConfig *network.NetworkingConfig
Platform *specs.Platform
ContainerStartOptions types.ContainerStartOptions
ContainerRemoveOptions types.ContainerRemoveOptions
}
func getDefaultEnvConfig(cfg *DockerDelegateConfig) map[string]string {
return map[string]string{
"ACCOUNT_ID": cfg.AccountId,
"ACCOUNT_SECRET": cfg.AccountSecret,
"CDN_URL": "https://app.harness.io",
"CF_CLI6_PATH": "",
"CF_CLI7_PATH": "",
"CLIENT_TOOLS_DOWNLOAD_DISABLED": "false",
"DELEGATE_CHECK_LOCATION": "delegatefree.txt",
"DELEGATE_NAME": cfg.DelegateName,
"DELEGATE_PROFILE": cfg.ProfileId,
"DELEGATE_STORAGE_URL": "https://app.harness.io",
"DELEGATE_TYPE": "DOCKER",
"DEPLOY_MODE": "KUBERNETES",
"HELM_DESIRED_VERSION": "",
"HELM_PATH": "",
"HELM3_PATH": "",
"INSTALL_CLIENT_TOOLS_IN_BACKGROUND": "true",
"JRE_VERSION": "1.8.0_242",
"KUBECTL_PATH": "",
"KUSTOMIZE_PATH": "",
"MANAGER_HOST_AND_PORT": "https://app.harness.io/gratis",
"NO_PROXY": "",
"OC_PATH": "",
"POLL_FOR_TASKS": "false",
"PROXY_HOST": "",
"PROXY_MANAGER": "true",
"PROXY_PASSWORD": "",
"PROXY_PORT": "",
"PROXY_SCHEME": "",
"PROXY_USER": "",
"REMOTE_WATCHER_URL_CDN": "https://app.harness.io/public/shared/watchers/builds",
"USE_CDN": "true",
"VERSION_CHECK_DISABLED": "false",
"WATCHER_CHECK_LOCATION": "current.version",
"WATCHER_STORAGE_URL": "https://app.harness.io/public/free/freemium/watchers",
}
}
func getDefaultContainerConfig(cfg *DockerDelegateConfig) *container.Config {
envConfig := getDefaultEnvConfig(cfg)
// Merge user defined env vars with defaults
if cfg.EnvVars != nil && len(cfg.EnvVars) > 0 {
for k, v := range cfg.EnvVars {
envConfig[k] = v
}
}
return &container.Config{
Image: cfg.Image,
Env: utils.MapToStringSlice(envConfig, "="),
}
}
func PullDelegateImage(ctx context.Context, cfg *DockerDelegateConfig) error {
if cfg.Image == "" {
cfg.Image = harnessDockerImage
}
var clientOpts client.Opt
if cfg.ClientOptions != nil {
clientOpts = cfg.ClientOptions
} else {
clientOpts = client.FromEnv
}
cli, err := client.NewClientWithOpts(clientOpts)
if err != nil {
return errors.Wrap(err, "failed to create docker client")
}
log.Infof("Pulling docker image %s", cfg.Image)
reader, err := cli.ImagePull(ctx, cfg.Image, types.ImagePullOptions{All: true})
if err != nil {
return errors.Wrap(err, "failed to pull docker image")
}
io.Copy(os.Stdout, reader)
return nil
}
// Returns the container Id of the delegate
func RunDelegateContainer(ctx context.Context, cfg *DockerDelegateConfig, pullImage bool) (string, error) {
if cfg.Image == "" {
cfg.Image = harnessDockerImage
}
var clientOpts client.Opt
if cfg.ClientOptions != nil {
clientOpts = cfg.ClientOptions
} else {
clientOpts = client.FromEnv
}
var containerConfig *container.Config
if cfg.ContainerConfig != nil {
containerConfig = cfg.ContainerConfig
} else {
containerConfig = getDefaultContainerConfig(cfg)
}
cli, err := client.NewClientWithOpts(clientOpts)
if err != nil {
return "", errors.Wrap(err, "failed to create docker client")
}
if pullImage {
log.Infof("Pulling docker image %s", cfg.Image)
reader, err := cli.ImagePull(ctx, cfg.Image, types.ImagePullOptions{All: true})
if err != nil {
return "", errors.Wrap(err, "failed to pull docker image")
}
io.Copy(os.Stdout, reader)
}
log.Infof("Creating docker container %s", cfg.ContainerName)
cont, err := cli.ContainerCreate(ctx, containerConfig, cfg.HostConfig, cfg.NetworkingConfig, cfg.Platform, cfg.ContainerName)
if err != nil {
return "", errors.Wrap(err, "failed to create docker container")
}
log.Infof("Starting docker container %s", cont.ID)
err = cli.ContainerStart(ctx, cont.ID, cfg.ContainerStartOptions)
if err != nil {
return "", errors.Wrap(err, "failed to start delegate container: %s")
}
return cont.ID, nil
}
func RemoveDelegateContainer(ctx context.Context, cfg *DockerDelegateConfig, containerId string) error {
cli, err := client.NewClientWithOpts(cfg.ClientOptions)
if err != nil {
return errors.Wrap(err, "failed to create docker client")
}
log.Infof("Stopping docker container %s", containerId)
err = cli.ContainerStop(ctx, containerId, nil)
if err != nil {
return errors.Wrap(err, "failed to stop delegate container")
}
log.Infof("Removing docker container %s", containerId)
err = cli.ContainerRemove(ctx, containerId, cfg.ContainerRemoveOptions)
if err != nil {
return errors.Wrap(err, "failed to remove delegate container")
}
return nil
}