-
Notifications
You must be signed in to change notification settings - Fork 64
/
rootfs.go
91 lines (78 loc) · 2.01 KB
/
rootfs.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
// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2023, Unikraft GmbH and The KraftKit Authors.
// Licensed under the BSD-3-Clause License (the "License").
// You may not use this file except in compliance with the License.
package utils
import (
"context"
"fmt"
"path/filepath"
"slices"
"kraftkit.sh/config"
"kraftkit.sh/initrd"
"kraftkit.sh/log"
"kraftkit.sh/tui/processtree"
"kraftkit.sh/unikraft"
"kraftkit.sh/unikraft/target"
)
// BuildRootfs generates a rootfs based on the provided working directory and
// the rootfs entrypoint for the provided target(s).
func BuildRootfs(ctx context.Context, workdir, rootfs string, compress bool, targets ...target.Target) (string, error) {
if rootfs == "" {
return "", nil
}
var processes []*processtree.ProcessTreeItem
var archs []string
for _, targ := range targets {
arch := targ.Architecture().String()
if slices.Contains[[]string](archs, arch) {
continue
}
archs = append(archs, arch)
ramfs, err := initrd.New(ctx, rootfs,
initrd.WithOutput(filepath.Join(
workdir,
unikraft.BuildDir,
fmt.Sprintf(initrd.DefaultInitramfsArchFileName, arch),
)),
initrd.WithCacheDir(filepath.Join(
workdir,
unikraft.VendorDir,
"rootfs-cache",
)),
initrd.WithArchitecture(arch),
initrd.WithCompression(compress),
)
if err != nil {
return "", fmt.Errorf("could not initialize initramfs builder: %w", err)
}
processes = append(processes,
processtree.NewProcessTreeItem(
"building rootfs",
arch,
func(ctx context.Context) error {
rootfs, err = ramfs.Build(ctx)
if err != nil {
return err
}
return nil
},
),
)
}
model, err := processtree.NewProcessTree(
ctx,
[]processtree.ProcessTreeOption{
processtree.IsParallel(false),
processtree.WithRenderer(log.LoggerTypeFromString(config.G[config.KraftKit](ctx).Log.Type) != log.FANCY),
},
processes...,
)
if err != nil {
return "", err
}
if err := model.Start(); err != nil {
return "", err
}
return rootfs, nil
}