-
Notifications
You must be signed in to change notification settings - Fork 9
/
client.go
255 lines (202 loc) · 8.1 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
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
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
// Copyright 2022 Namespace Labs Inc; 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.
package buildkit
import (
"context"
"encoding/json"
"fmt"
"net"
moby_buildkit_v1 "github.com/moby/buildkit/api/services/control"
"github.com/moby/buildkit/client"
buildkit "github.com/moby/buildkit/client"
specs "github.com/opencontainers/image-spec/specs-go/v1"
"golang.org/x/mod/semver"
buildkitfw "namespacelabs.dev/foundation/framework/build/buildkit"
"namespacelabs.dev/foundation/internal/compute"
"namespacelabs.dev/foundation/internal/console"
"namespacelabs.dev/foundation/internal/fnapi"
"namespacelabs.dev/foundation/internal/fnerrors"
"namespacelabs.dev/foundation/internal/providers/nscloud/api"
"namespacelabs.dev/foundation/internal/runtime/kubernetes"
"namespacelabs.dev/foundation/schema"
"namespacelabs.dev/foundation/std/cfg"
"namespacelabs.dev/foundation/std/cfg/knobs"
"namespacelabs.dev/foundation/std/tasks"
_ "github.com/moby/buildkit/client/connhelper/dockercontainer"
)
var (
BuildkitSecrets string
ForwardKeychain = true
)
var buildOnNamespaceCloud = knobs.Bool("build_in_nscloud", "If set to true, builds are triggered remotely.", false)
const SSHAgentProviderID = "default"
type GatewayClient struct {
*client.Client
buildkitInDocker bool
clientOpts builtkitOpts
}
type builtkitOpts struct {
SupportsOCILayoutInput bool
SupportsOCILayoutExport bool
SupportsCanonicalBuilds bool
HostPlatform specs.Platform
}
func (cli *GatewayClient) UsesDocker() bool { return cli.buildkitInDocker }
func (cli *GatewayClient) BuildkitOpts() builtkitOpts { return cli.clientOpts }
func (cli *GatewayClient) MakeClient(_ context.Context) (*GatewayClient, error) { return cli, nil }
type clientInstance struct {
conf cfg.Configuration
overrides *Overrides
compute.DoScoped[*GatewayClient] // Only connect once per configuration.
}
var OverridesConfigType = cfg.DefineConfigType[*Overrides]()
func Client(ctx context.Context, config cfg.Configuration, targetPlatform *specs.Platform) (*GatewayClient, error) {
return compute.GetValue(ctx, MakeClient(config, targetPlatform))
}
func DeferClient(config cfg.Configuration, targetPlatform *specs.Platform) ClientFactory {
return deferredMakeClient{config, targetPlatform}
}
type deferredMakeClient struct {
config cfg.Configuration
targetPlatform *specs.Platform
}
func (d deferredMakeClient) MakeClient(ctx context.Context) (*GatewayClient, error) {
return Client(ctx, d.config, d.targetPlatform)
}
func MakeClient(config cfg.Configuration, targetPlatform *specs.Platform) compute.Computable[*GatewayClient] {
var conf *Overrides
if targetPlatform != nil {
conf, _ = OverridesConfigType.CheckGetForPlatform(config, *targetPlatform)
} else {
conf, _ = OverridesConfigType.CheckGet(config)
}
if conf.BuildkitAddr == "" && conf.HostedBuildCluster == nil && conf.ContainerName == "" {
conf.ContainerName = DefaultContainerName
}
return &clientInstance{conf: config, overrides: conf}
}
var _ compute.Computable[*GatewayClient] = &clientInstance{}
func (c *clientInstance) Action() *tasks.ActionEvent {
return tasks.Action("buildkit.connect")
}
func (c *clientInstance) Inputs() *compute.In {
return compute.Inputs().Proto("conf", c.overrides)
}
func (c *clientInstance) Compute(ctx context.Context, _ compute.Resolved) (*GatewayClient, error) {
if c.overrides.BuildkitAddr != "" {
cli, err := client.New(ctx, c.overrides.BuildkitAddr)
if err != nil {
return nil, err
}
return newClient(ctx, cli, false)
}
if c.overrides.HostedBuildCluster != nil {
fmt.Fprintf(console.Debug(ctx), "buildkit: connecting to nscloud %s/%d\n",
c.overrides.HostedBuildCluster.ClusterId, c.overrides.HostedBuildCluster.TargetPort)
cluster, err := api.GetCluster(ctx, api.Endpoint, c.overrides.HostedBuildCluster.ClusterId)
if err != nil {
return nil, fnerrors.InternalError("failed to connect to buildkit in cluster: %w", err)
}
return useRemoteCluster(ctx, cluster.Cluster, int(c.overrides.HostedBuildCluster.TargetPort))
}
if c.overrides.ColocatedBuildCluster != nil {
conf := c.overrides.ColocatedBuildCluster
fmt.Fprintf(console.Debug(ctx), "buildkit: connecting to co-located %v (port %d)\n", conf.MatchingPodLabels, conf.TargetPort)
k, err := kubernetes.ConnectToCluster(ctx, c.conf)
if err != nil {
return nil, fnerrors.InternalError("failed to connect to co-located build cluster: %w", err)
}
return waitAndConnect(ctx, func() (*client.Client, error) {
return client.New(ctx, "buildkitd", client.WithContextDialer(func(ctx context.Context, _ string) (net.Conn, error) {
return k.RawDialServer(ctx, conf.Namespace, conf.MatchingPodLabels, &schema.Endpoint_Port{ContainerPort: conf.TargetPort})
}))
})
}
if buildOnNamespaceCloud.Get(c.conf) {
response, err := api.EnsureBuildCluster(ctx, api.Endpoint)
if err != nil {
return nil, err
}
return useRemoteCluster(ctx, response.Cluster, int(response.BuildCluster.Colocated.TargetPort))
}
localAddr, err := EnsureBuildkitd(ctx, c.overrides.ContainerName)
if err != nil {
return nil, err
}
cli, err := client.New(ctx, localAddr)
if err != nil {
return nil, err
}
// When disconnecting often get:
//
// WARN[0012] commandConn.CloseWrite: commandconn: failed to wait: signal: terminated
//
// compute.On(ctx).Cleanup(tasks.Action("buildkit.disconnect"), func(ctx context.Context) error {
// return cli.Close()
// })
return newClient(ctx, cli, true)
}
func useRemoteCluster(ctx context.Context, cluster *api.KubernetesCluster, port int) (*GatewayClient, error) {
// We must fetch a token with our parent context, so we get a task sink etc.
token, err := fnapi.FetchTenantToken(ctx)
if err != nil {
return nil, err
}
return waitAndConnect(ctx, func() (*client.Client, error) {
return client.New(ctx, "buildkitd", client.WithContextDialer(func(ctx context.Context, _ string) (net.Conn, error) {
// Do the expirations work? We don't re-fetch tokens here yet.
return api.DialPortWithToken(ctx, token, cluster, port)
}))
})
}
func waitReadiness(ctx context.Context, connect func() (*buildkit.Client, error)) error {
return tasks.Action("buildkit.wait-until-ready").Run(ctx, func(ctx context.Context) error {
return buildkitfw.WaitReadiness(ctx, connect)
})
}
func waitAndConnect(ctx context.Context, connect func() (*client.Client, error)) (*GatewayClient, error) {
if err := waitReadiness(ctx, connect); err != nil {
return nil, err
}
cli, err := connect()
if err != nil {
return nil, err
}
return newClient(ctx, cli, false)
}
func newClient(ctx context.Context, cli *client.Client, docker bool) (*GatewayClient, error) {
var opts builtkitOpts
workers, err := cli.ControlClient().ListWorkers(ctx, &moby_buildkit_v1.ListWorkersRequest{})
if err != nil {
return nil, fnerrors.InvocationError("buildkit", "failed to retrieve worker list: %w", err)
}
var hostPlatform *specs.Platform
for _, x := range workers.Record {
// We assume here that by convention the first platform is the host platform.
if len(x.Platforms) > 0 {
hostPlatform = &specs.Platform{
Architecture: x.Platforms[0].Architecture,
OS: x.Platforms[0].OS,
}
break
}
}
if hostPlatform == nil {
return nil, fnerrors.InvocationError("buildkit", "no worker with platforms declared?")
}
opts.HostPlatform = *hostPlatform
response, err := cli.ControlClient().Info(ctx, &moby_buildkit_v1.InfoRequest{})
if err == nil {
x, _ := json.MarshalIndent(response.GetBuildkitVersion(), "", " ")
fmt.Fprintf(console.Debug(ctx), "buildkit: version: %v\n", string(x))
if semver.Compare(response.BuildkitVersion.GetVersion(), "v0.11.0-rc1") >= 0 {
opts.SupportsOCILayoutInput = true
opts.SupportsCanonicalBuilds = true
opts.SupportsOCILayoutExport = false // Some casual testing seems to indicate that this is actually slower.
}
} else {
fmt.Fprintf(console.Debug(ctx), "buildkit: Info failed: %v\n", err)
}
return &GatewayClient{Client: cli, buildkitInDocker: docker, clientOpts: opts}, nil
}