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d3e45f8743
This package was originally internal, but was moved out when BuildKit used it for its integration tests. That's no longer the case, so we can make it internal again. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
38 lines
1.0 KiB
Go
38 lines
1.0 KiB
Go
package daemon
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import (
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"golang.org/x/sys/unix"
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"gotest.tools/v3/assert"
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)
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func cleanupNetworkNamespace(t testing.TB, d *Daemon) {
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t.Helper()
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// Cleanup network namespaces in the exec root of this
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// daemon because this exec root is specific to this
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// daemon instance and has no chance of getting
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// cleaned up when a new daemon is instantiated with a
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// new exec root.
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filepath.WalkDir(filepath.Join(d.execRoot, "netns"), func(path string, _ os.DirEntry, _ error) error {
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if err := unix.Unmount(path, unix.MNT_DETACH); err != nil && !errors.Is(err, unix.EINVAL) && !errors.Is(err, unix.ENOENT) {
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t.Logf("[%s] unmount of %s failed: %v", d.id, path, err)
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}
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os.Remove(path)
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return nil
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})
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}
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// CgroupNamespace returns the cgroup namespace the daemon is running in
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func (d *Daemon) CgroupNamespace(t testing.TB) string {
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link, err := os.Readlink(fmt.Sprintf("/proc/%d/ns/cgroup", d.Pid()))
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assert.NilError(t, err)
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return strings.TrimSpace(link)
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}
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