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container/path: use syscall dispatcher
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This allows path and mount functions to be instrumented.

Signed-off-by: Ophestra <cat@gensokyo.uk>
This commit is contained in:
Ophestra
2025-08-22 22:00:40 +09:00
parent 09d2844981
commit afe23600d2
6 changed files with 353 additions and 33 deletions
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8
container/path_test.go
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@@ -176,7 +176,7 @@ func TestProcPaths(t *testing.T) {
t.Run("mountinfo", func(t *testing.T) {
t.Run("nonexistent", func(t *testing.T) {
nonexistentProc := newProcPaths(t.TempDir())
nonexistentProc := newProcPaths(direct{}, t.TempDir())
wantErr := wrapErrSelf(&os.PathError{
Op: "open",
Path: nonexistentProc.self + "/mountinfo",
@@ -201,7 +201,7 @@ func TestProcPaths(t *testing.T) {
}
var mountInfo *vfs.MountInfo
if err := newProcPaths(tempDir).mountinfo(func(d *vfs.MountInfoDecoder) error { return d.Decode(&mountInfo) }); err != nil {
if err := newProcPaths(direct{}, tempDir).mountinfo(func(d *vfs.MountInfoDecoder) error { return d.Decode(&mountInfo) }); err != nil {
t.Fatalf("mountinfo: error = %v", err)
}
@@ -216,7 +216,7 @@ func TestProcPaths(t *testing.T) {
})
t.Run("closed", func(t *testing.T) {
p := newProcPaths(tempDir)
p := newProcPaths(direct{}, tempDir)
wantErr := wrapErrSelf(&os.PathError{
Op: "close",
Path: p.self + "/mountinfo",
@@ -243,7 +243,7 @@ func TestProcPaths(t *testing.T) {
}
wantErr := wrapErrSuffix(vfs.ErrMountInfoFields, "cannot parse mountinfo:")
if err := newProcPaths(tempDir).mountinfo(func(d *vfs.MountInfoDecoder) error { return d.Decode(new(*vfs.MountInfo)) }); !errors.Is(err, wantErr) {
if err := newProcPaths(direct{}, tempDir).mountinfo(func(d *vfs.MountInfoDecoder) error { return d.Decode(new(*vfs.MountInfo)) }); !errors.Is(err, wantErr) {
t.Fatalf("mountinfo: error = %v, want %v", err, wantErr)
}
})