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bake: fix entitlements path checks for local outputs

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Previous check based on dest attributes was not correct
as the attributes already get converted before validation happens.

Because the local path is not preserved for single-file
outputs and gets replaced by io.Writer, a temporary array variable
was needed. This value should instead be added to ExportEntry
struct in BuildKit in future revision.

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2024-12-02 14:46:58 -08:00
parent d6d713aac6
commit c6e403ad7f
No known key found for this signature in database
GPG Key ID: AFA9DE5F8AB7AF39
6 changed files with 46 additions and 67 deletions
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2
bake/bake.go
View File

@ -1355,7 +1355,7 @@ func toBuildOpt(t *Target, inp *Input) (*build.Options, error) {
outputs[i] = output.ToPB()
}
bo.Exports, err = controllerapi.CreateExports(outputs)
bo.Exports, bo.ExportsLocalPathsTemporary, err = controllerapi.CreateExports(outputs)
if err != nil {
return nil, err
}

13
bake/entitlements.go
View File

@ -113,17 +113,8 @@ func (c EntitlementConf) check(bo build.Options, expected *EntitlementConf) erro
roPaths[p] = struct{}{}
}
for _, out := range bo.Exports {
if out.Type == "local" {
if dest, ok := out.Attrs["dest"]; ok {
rwPaths[dest] = struct{}{}
}
}
if out.Type == "tar" {
if dest, ok := out.Attrs["dest"]; ok && dest != "-" {
rwPaths[dest] = struct{}{}
}
}
for _, p := range bo.ExportsLocalPathsTemporary {
rwPaths[p] = struct{}{}
}
for _, ce := range bo.CacheTo {

24
bake/entitlements_test.go
View File

@ -10,7 +10,6 @@ import (
"github.com/docker/buildx/build"
"github.com/docker/buildx/controller/pb"
"github.com/docker/buildx/util/osutil"
"github.com/moby/buildkit/client"
"github.com/moby/buildkit/client/llb"
"github.com/moby/buildkit/util/entitlements"
"github.com/stretchr/testify/require"
@ -279,25 +278,10 @@ func TestValidateEntitlements(t *testing.T) {
{
name: "ExportLocal",
opt: build.Options{
Exports: []client.ExportEntry{
{
Type: "local",
Attrs: map[string]string{
"dest": dir1,
},
},
{
Type: "local",
Attrs: map[string]string{
"dest": filepath.Join(dir1, "subdir"),
},
},
{
Type: "local",
Attrs: map[string]string{
"dest": dir2,
},
},
ExportsLocalPathsTemporary: []string{
dir1,
filepath.Join(dir1, "subdir"),
dir2,
},
},
expected: EntitlementConf{

43
build/build.go
View File

@ -62,27 +62,28 @@ const (
type Options struct {
Inputs Inputs
Ref string
Allow []entitlements.Entitlement
Attests map[string]*string
BuildArgs map[string]string
CacheFrom []client.CacheOptionsEntry
CacheTo []client.CacheOptionsEntry
CgroupParent string
Exports []client.ExportEntry
ExtraHosts []string
Labels map[string]string
NetworkMode string
NoCache bool
NoCacheFilter []string
Platforms []specs.Platform
Pull bool
SecretSpecs []*controllerapi.Secret
SSHSpecs []*controllerapi.SSH
ShmSize opts.MemBytes
Tags []string
Target string
Ulimits *opts.UlimitOpt
Ref string
Allow []entitlements.Entitlement
Attests map[string]*string
BuildArgs map[string]string
CacheFrom []client.CacheOptionsEntry
CacheTo []client.CacheOptionsEntry
CgroupParent string
Exports []client.ExportEntry
ExportsLocalPathsTemporary []string // should be removed after client.ExportEntry update in buildkit v0.19.0
ExtraHosts []string
Labels map[string]string
NetworkMode string
NoCache bool
NoCacheFilter []string
Platforms []specs.Platform
Pull bool
SecretSpecs []*controllerapi.Secret
SSHSpecs []*controllerapi.SSH
ShmSize opts.MemBytes
Tags []string
Target string
Ulimits *opts.UlimitOpt
Session []session.Attachable
Linked bool // Linked marks this target as exclusively linked (not requested by the user).

2
controller/build/build.go
View File

@ -93,7 +93,7 @@ func RunBuild(ctx context.Context, dockerCli command.Cli, in *controllerapi.Buil
}
opts.Session = append(opts.Session, ssh)
outputs, err := controllerapi.CreateExports(in.Exports)
outputs, _, err := controllerapi.CreateExports(in.Exports)
if err != nil {
return nil, nil, nil, err
}

29
controller/pb/export.go
View File

@ -10,15 +10,16 @@ import (
"github.com/pkg/errors"
)
func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, error) {
func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, []string, error) {
var outs []client.ExportEntry
var localPaths []string
if len(entries) == 0 {
return nil, nil
return nil, nil, nil
}
var stdoutUsed bool
for _, entry := range entries {
if entry.Type == "" {
return nil, errors.Errorf("type is required for output")
return nil, nil, errors.Errorf("type is required for output")
}
out := client.ExportEntry{
@ -50,20 +51,21 @@ func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, error) {
if supportDir {
if entry.Destination == "" {
return nil, errors.Errorf("dest is required for %s exporter", out.Type)
return nil, nil, errors.Errorf("dest is required for %s exporter", out.Type)
}
if entry.Destination == "-" {
return nil, errors.Errorf("dest cannot be stdout for %s exporter", out.Type)
return nil, nil, errors.Errorf("dest cannot be stdout for %s exporter", out.Type)
}
fi, err := os.Stat(entry.Destination)
if err != nil && !os.IsNotExist(err) {
return nil, errors.Wrapf(err, "invalid destination directory: %s", entry.Destination)
return nil, nil, errors.Wrapf(err, "invalid destination directory: %s", entry.Destination)
}
if err == nil && !fi.IsDir() {
return nil, errors.Errorf("destination directory %s is a file", entry.Destination)
return nil, nil, errors.Errorf("destination directory %s is a file", entry.Destination)
}
out.OutputDir = entry.Destination
localPaths = append(localPaths, entry.Destination)
}
if supportFile {
if entry.Destination == "" && out.Type != client.ExporterDocker {
@ -71,32 +73,33 @@ func CreateExports(entries []*ExportEntry) ([]client.ExportEntry, error) {
}
if entry.Destination == "-" {
if stdoutUsed {
return nil, errors.Errorf("multiple outputs configured to write to stdout")
return nil, nil, errors.Errorf("multiple outputs configured to write to stdout")
}
if _, err := console.ConsoleFromFile(os.Stdout); err == nil {
return nil, errors.Errorf("dest file is required for %s exporter. refusing to write to console", out.Type)
return nil, nil, errors.Errorf("dest file is required for %s exporter. refusing to write to console", out.Type)
}
out.Output = wrapWriteCloser(os.Stdout)
stdoutUsed = true
} else if entry.Destination != "" {
fi, err := os.Stat(entry.Destination)
if err != nil && !os.IsNotExist(err) {
return nil, errors.Wrapf(err, "invalid destination file: %s", entry.Destination)
return nil, nil, errors.Wrapf(err, "invalid destination file: %s", entry.Destination)
}
if err == nil && fi.IsDir() {
return nil, errors.Errorf("destination file %s is a directory", entry.Destination)
return nil, nil, errors.Errorf("destination file %s is a directory", entry.Destination)
}
f, err := os.Create(entry.Destination)
if err != nil {
return nil, errors.Errorf("failed to open %s", err)
return nil, nil, errors.Errorf("failed to open %s", err)
}
out.Output = wrapWriteCloser(f)
localPaths = append(localPaths, entry.Destination)
}
}
outs = append(outs, out)
}
return outs, nil
return outs, localPaths, nil
}
func wrapWriteCloser(wc io.WriteCloser) func(map[string]string) (io.WriteCloser, error) {