2180 lines
62 KiB
Go
2180 lines
62 KiB
Go
package cache
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import (
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"archive/tar"
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"bytes"
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"compress/gzip"
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"context"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strconv"
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"strings"
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"sync"
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"testing"
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"time"
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ctdcompression "github.com/containerd/containerd/archive/compression"
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"github.com/containerd/containerd/content"
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"github.com/containerd/containerd/content/local"
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"github.com/containerd/containerd/diff/apply"
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"github.com/containerd/containerd/diff/walking"
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"github.com/containerd/containerd/errdefs"
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"github.com/containerd/containerd/leases"
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ctdmetadata "github.com/containerd/containerd/metadata"
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"github.com/containerd/containerd/mount"
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"github.com/containerd/containerd/namespaces"
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"github.com/containerd/containerd/snapshots"
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"github.com/containerd/containerd/snapshots/native"
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"github.com/containerd/continuity/fs/fstest"
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"github.com/containerd/stargz-snapshotter/estargz"
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"github.com/klauspost/compress/zstd"
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"github.com/moby/buildkit/cache/metadata"
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"github.com/moby/buildkit/client"
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"github.com/moby/buildkit/session"
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"github.com/moby/buildkit/snapshot"
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containerdsnapshot "github.com/moby/buildkit/snapshot/containerd"
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"github.com/moby/buildkit/solver"
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"github.com/moby/buildkit/util/compression"
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"github.com/moby/buildkit/util/contentutil"
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"github.com/moby/buildkit/util/leaseutil"
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"github.com/moby/buildkit/util/winlayers"
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digest "github.com/opencontainers/go-digest"
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ocispecs "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/pkg/errors"
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"github.com/stretchr/testify/require"
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bolt "go.etcd.io/bbolt"
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"golang.org/x/sync/errgroup"
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)
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type cmOpt struct {
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snapshotterName string
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snapshotter snapshots.Snapshotter
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tmpdir string
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}
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type cmOut struct {
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manager Manager
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lm leases.Manager
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cs content.Store
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}
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func newCacheManager(ctx context.Context, opt cmOpt) (co *cmOut, cleanup func() error, err error) {
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ns, ok := namespaces.Namespace(ctx)
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if !ok {
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return nil, nil, errors.Errorf("namespace required for test")
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}
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if opt.snapshotterName == "" {
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opt.snapshotterName = "native"
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}
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tmpdir, err := ioutil.TempDir("", "cachemanager")
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if err != nil {
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return nil, nil, err
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}
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defers := make([]func() error, 0)
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cleanup = func() error {
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var err error
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for i := range defers {
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if err1 := defers[len(defers)-1-i](); err1 != nil && err == nil {
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err = err1
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}
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}
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return err
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}
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defer func() {
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if err != nil && cleanup != nil {
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cleanup()
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}
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}()
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if opt.tmpdir == "" {
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defers = append(defers, func() error {
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return os.RemoveAll(tmpdir)
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})
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} else {
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os.RemoveAll(tmpdir)
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tmpdir = opt.tmpdir
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}
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if opt.snapshotter == nil {
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snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
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if err != nil {
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return nil, nil, err
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}
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opt.snapshotter = snapshotter
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}
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store, err := local.NewStore(tmpdir)
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if err != nil {
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return nil, nil, err
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}
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db, err := bolt.Open(filepath.Join(tmpdir, "containerdmeta.db"), 0644, nil)
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if err != nil {
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return nil, nil, err
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}
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defers = append(defers, func() error {
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return db.Close()
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})
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mdb := ctdmetadata.NewDB(db, store, map[string]snapshots.Snapshotter{
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opt.snapshotterName: opt.snapshotter,
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})
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if err := mdb.Init(context.TODO()); err != nil {
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return nil, nil, err
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}
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c := mdb.ContentStore()
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store = containerdsnapshot.NewContentStore(c, ns)
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lm := leaseutil.WithNamespace(ctdmetadata.NewLeaseManager(mdb), ns)
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applier := winlayers.NewFileSystemApplierWithWindows(store, apply.NewFileSystemApplier(store))
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differ := winlayers.NewWalkingDiffWithWindows(store, walking.NewWalkingDiff(store))
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md, err := metadata.NewStore(filepath.Join(tmpdir, "metadata.db"))
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if err != nil {
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return nil, nil, err
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}
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cm, err := NewManager(ManagerOpt{
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Snapshotter: snapshot.FromContainerdSnapshotter(opt.snapshotterName, containerdsnapshot.NSSnapshotter(ns, mdb.Snapshotter(opt.snapshotterName)), nil),
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MetadataStore: md,
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ContentStore: store,
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LeaseManager: lm,
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GarbageCollect: mdb.GarbageCollect,
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Applier: applier,
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Differ: differ,
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})
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if err != nil {
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return nil, nil, err
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}
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return &cmOut{
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manager: cm,
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lm: lm,
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cs: store,
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}, cleanup, nil
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}
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func TestManager(t *testing.T) {
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t.Parallel()
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ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
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tmpdir, err := ioutil.TempDir("", "cachemanager")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
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require.NoError(t, err)
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co, cleanup, err := newCacheManager(ctx, cmOpt{
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snapshotter: snapshotter,
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snapshotterName: "native",
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})
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require.NoError(t, err)
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defer cleanup()
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cm := co.manager
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_, err = cm.Get(ctx, "foobar")
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require.Error(t, err)
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checkDiskUsage(ctx, t, cm, 0, 0)
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active, err := cm.New(ctx, nil, nil, CachePolicyRetain)
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require.NoError(t, err)
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m, err := active.Mount(ctx, false, nil)
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require.NoError(t, err)
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lm := snapshot.LocalMounter(m)
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target, err := lm.Mount()
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require.NoError(t, err)
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fi, err := os.Stat(target)
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require.NoError(t, err)
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require.Equal(t, fi.IsDir(), true)
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err = lm.Unmount()
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require.NoError(t, err)
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_, err = cm.GetMutable(ctx, active.ID())
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require.Error(t, err)
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require.Equal(t, true, errors.Is(err, ErrLocked))
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checkDiskUsage(ctx, t, cm, 1, 0)
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snap, err := active.Commit(ctx)
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 1, 0)
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_, err = cm.GetMutable(ctx, active.ID())
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require.Error(t, err)
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require.Equal(t, true, errors.Is(err, ErrLocked))
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err = snap.Release(ctx)
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 0, 1)
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active, err = cm.GetMutable(ctx, active.ID())
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 1, 0)
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snap, err = active.Commit(ctx)
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 1, 0)
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err = snap.Finalize(ctx)
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require.NoError(t, err)
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err = snap.Release(ctx)
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require.NoError(t, err)
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_, err = cm.GetMutable(ctx, active.ID())
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require.Error(t, err)
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require.Equal(t, true, errors.Is(err, errNotFound))
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_, err = cm.GetMutable(ctx, snap.ID())
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require.Error(t, err)
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require.Equal(t, true, errors.Is(err, errInvalid))
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snap, err = cm.Get(ctx, snap.ID())
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require.NoError(t, err)
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snap2, err := cm.Get(ctx, snap.ID())
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 1, 0)
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err = snap.Release(ctx)
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require.NoError(t, err)
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active2, err := cm.New(ctx, snap2, nil, CachePolicyRetain)
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 2, 0)
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snap3, err := active2.Commit(ctx)
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require.NoError(t, err)
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err = snap2.Release(ctx)
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 2, 0)
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err = snap3.Release(ctx)
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 0, 2)
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buf := pruneResultBuffer()
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err = cm.Prune(ctx, buf.C, client.PruneInfo{})
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buf.close()
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require.NoError(t, err)
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checkDiskUsage(ctx, t, cm, 0, 0)
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require.Equal(t, len(buf.all), 2)
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err = cm.Close()
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require.NoError(t, err)
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dirs, err := ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
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require.NoError(t, err)
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require.Equal(t, 0, len(dirs))
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}
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func TestLazyGetByBlob(t *testing.T) {
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t.Parallel()
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ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
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tmpdir, err := ioutil.TempDir("", "cachemanager")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
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require.NoError(t, err)
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co, cleanup, err := newCacheManager(ctx, cmOpt{
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snapshotter: snapshotter,
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snapshotterName: "native",
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})
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require.NoError(t, err)
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defer cleanup()
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cm := co.manager
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// Test for #2226 https://github.com/moby/buildkit/issues/2226, create lazy blobs with the same diff ID but
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// different digests (due to different compression) and make sure GetByBlob still works
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_, desc, err := mapToBlob(map[string]string{"foo": "bar"}, true)
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require.NoError(t, err)
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descHandlers := DescHandlers(make(map[digest.Digest]*DescHandler))
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descHandlers[desc.Digest] = &DescHandler{}
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diffID, err := diffIDFromDescriptor(desc)
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require.NoError(t, err)
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_, err = cm.GetByBlob(ctx, desc, nil, descHandlers)
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require.NoError(t, err)
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_, desc2, err := mapToBlob(map[string]string{"foo": "bar"}, false)
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require.NoError(t, err)
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descHandlers2 := DescHandlers(make(map[digest.Digest]*DescHandler))
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descHandlers2[desc2.Digest] = &DescHandler{}
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diffID2, err := diffIDFromDescriptor(desc2)
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require.NoError(t, err)
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require.NotEqual(t, desc.Digest, desc2.Digest)
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require.Equal(t, diffID, diffID2)
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_, err = cm.GetByBlob(ctx, desc2, nil, descHandlers2)
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require.NoError(t, err)
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}
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func TestMergeBlobchainID(t *testing.T) {
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t.Parallel()
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ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
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tmpdir, err := ioutil.TempDir("", "cachemanager")
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require.NoError(t, err)
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defer os.RemoveAll(tmpdir)
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snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
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require.NoError(t, err)
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co, cleanup, err := newCacheManager(ctx, cmOpt{
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snapshotter: snapshotter,
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snapshotterName: "native",
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})
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require.NoError(t, err)
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defer cleanup()
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cm := co.manager
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// create a merge ref that has 3 inputs, with each input being a 3 layer blob chain
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var mergeInputs []ImmutableRef
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var descs []ocispecs.Descriptor
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descHandlers := DescHandlers(map[digest.Digest]*DescHandler{})
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for i := 0; i < 3; i++ {
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contentBuffer := contentutil.NewBuffer()
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var curBlob ImmutableRef
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for j := 0; j < 3; j++ {
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blobBytes, desc, err := mapToBlob(map[string]string{strconv.Itoa(i): strconv.Itoa(j)}, true)
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require.NoError(t, err)
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cw, err := contentBuffer.Writer(ctx)
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require.NoError(t, err)
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_, err = cw.Write(blobBytes)
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require.NoError(t, err)
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err = cw.Commit(ctx, 0, cw.Digest())
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require.NoError(t, err)
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descHandlers[desc.Digest] = &DescHandler{
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Provider: func(_ session.Group) content.Provider { return contentBuffer },
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}
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curBlob, err = cm.GetByBlob(ctx, desc, curBlob, descHandlers)
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require.NoError(t, err)
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descs = append(descs, desc)
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}
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mergeInputs = append(mergeInputs, curBlob.Clone())
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}
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mergeRef, err := cm.Merge(ctx, mergeInputs)
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require.NoError(t, err)
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_, err = mergeRef.GetRemotes(ctx, true, solver.CompressionOpt{Type: compression.Default}, false, nil)
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require.NoError(t, err)
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// verify the merge blobchain ID isn't just set to one of the inputs (regression test)
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mergeBlobchainID := mergeRef.(*immutableRef).getBlobChainID()
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for _, mergeInput := range mergeInputs {
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inputBlobchainID := mergeInput.(*immutableRef).getBlobChainID()
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require.NotEqual(t, mergeBlobchainID, inputBlobchainID)
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}
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// verify you get the merge ref when asking for an equivalent blob chain
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var curBlob ImmutableRef
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for _, desc := range descs[:len(descs)-1] {
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curBlob, err = cm.GetByBlob(ctx, desc, curBlob, descHandlers)
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require.NoError(t, err)
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}
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blobRef, err := cm.GetByBlob(ctx, descs[len(descs)-1], curBlob, descHandlers)
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require.NoError(t, err)
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require.Equal(t, mergeRef.ID(), blobRef.ID())
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}
|
|
|
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func TestSnapshotExtract(t *testing.T) {
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if runtime.GOOS == "windows" {
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t.Skip("Depends on unimplemented containerd bind-mount support on Windows")
|
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}
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|
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t.Parallel()
|
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ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
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tmpdir, err := ioutil.TempDir("", "cachemanager")
|
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require.NoError(t, err)
|
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defer os.RemoveAll(tmpdir)
|
|
|
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snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
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require.NoError(t, err)
|
|
|
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co, cleanup, err := newCacheManager(ctx, cmOpt{
|
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snapshotter: snapshotter,
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snapshotterName: "native",
|
|
})
|
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require.NoError(t, err)
|
|
|
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defer cleanup()
|
|
|
|
cm := co.manager
|
|
|
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b, desc, err := mapToBlob(map[string]string{"foo": "bar"}, true)
|
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require.NoError(t, err)
|
|
|
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err = content.WriteBlob(ctx, co.cs, "ref1", bytes.NewBuffer(b), desc)
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require.NoError(t, err)
|
|
|
|
snap, err := cm.GetByBlob(ctx, desc, nil)
|
|
require.NoError(t, err)
|
|
|
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require.Equal(t, false, !snap.(*immutableRef).getBlobOnly())
|
|
|
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b2, desc2, err := mapToBlob(map[string]string{"foo": "bar123"}, true)
|
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require.NoError(t, err)
|
|
|
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err = content.WriteBlob(ctx, co.cs, "ref1", bytes.NewBuffer(b2), desc2)
|
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require.NoError(t, err)
|
|
|
|
snap2, err := cm.GetByBlob(ctx, desc2, snap)
|
|
require.NoError(t, err)
|
|
|
|
size, err := snap2.(*immutableRef).size(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(len(b2)), size)
|
|
|
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require.Equal(t, false, !snap2.(*immutableRef).getBlobOnly())
|
|
|
|
dirs, err := ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, len(dirs))
|
|
|
|
checkNumBlobs(ctx, t, co.cs, 2)
|
|
|
|
err = snap2.Extract(ctx, nil)
|
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require.NoError(t, err)
|
|
|
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require.Equal(t, true, !snap.(*immutableRef).getBlobOnly())
|
|
require.Equal(t, true, !snap2.(*immutableRef).getBlobOnly())
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 2, len(dirs))
|
|
|
|
buf := pruneResultBuffer()
|
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err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
|
|
require.Equal(t, len(buf.all), 0)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 2, len(dirs))
|
|
|
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checkNumBlobs(ctx, t, co.cs, 2)
|
|
|
|
id := snap.ID()
|
|
|
|
err = snap.Release(context.TODO())
|
|
require.NoError(t, err)
|
|
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
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buf.close()
|
|
require.NoError(t, err)
|
|
|
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checkDiskUsage(ctx, t, cm, 2, 0)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 2, len(dirs))
|
|
|
|
snap, err = cm.Get(ctx, id)
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
|
|
err = snap2.Release(context.TODO())
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 1, 1)
|
|
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 1, 0)
|
|
|
|
require.Equal(t, len(buf.all), 1)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1, len(dirs))
|
|
|
|
checkNumBlobs(ctx, t, co.cs, 1)
|
|
|
|
err = snap.Release(context.TODO())
|
|
require.NoError(t, err)
|
|
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 0, 0)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, len(dirs))
|
|
|
|
checkNumBlobs(ctx, t, co.cs, 0)
|
|
}
|
|
|
|
func TestExtractOnMutable(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Depends on unimplemented containerd bind-mount support on Windows")
|
|
}
|
|
|
|
t.Parallel()
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
defer cleanup()
|
|
|
|
cm := co.manager
|
|
|
|
active, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
snap, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
b, desc, err := mapToBlob(map[string]string{"foo": "bar"}, true)
|
|
require.NoError(t, err)
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref1", bytes.NewBuffer(b), desc)
|
|
require.NoError(t, err)
|
|
|
|
b2, desc2, err := mapToBlob(map[string]string{"foo2": "1"}, true)
|
|
require.NoError(t, err)
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref2", bytes.NewBuffer(b2), desc2)
|
|
require.NoError(t, err)
|
|
|
|
_, err = cm.GetByBlob(ctx, desc2, snap)
|
|
require.Error(t, err)
|
|
|
|
leaseCtx, done, err := leaseutil.WithLease(ctx, co.lm, leases.WithExpiration(0))
|
|
require.NoError(t, err)
|
|
|
|
compressionType := compression.FromMediaType(desc.MediaType)
|
|
if compressionType == compression.UnknownCompression {
|
|
t.Errorf("unhandled layer media type: %q", desc.MediaType)
|
|
}
|
|
err = snap.(*immutableRef).setBlob(leaseCtx, compressionType, desc)
|
|
done(context.TODO())
|
|
require.NoError(t, err)
|
|
err = snap.(*immutableRef).computeChainMetadata(leaseCtx, map[string]struct{}{snap.ID(): {}})
|
|
require.NoError(t, err)
|
|
|
|
snap2, err := cm.GetByBlob(ctx, desc2, snap)
|
|
require.NoError(t, err)
|
|
|
|
err = snap.Release(context.TODO())
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, false, !snap2.(*immutableRef).getBlobOnly())
|
|
|
|
size, err := snap2.(*immutableRef).size(ctx)
|
|
require.NoError(t, err)
|
|
require.Equal(t, int64(len(b2)), size)
|
|
|
|
dirs, err := ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1, len(dirs))
|
|
|
|
checkNumBlobs(ctx, t, co.cs, 2)
|
|
|
|
err = snap2.Extract(ctx, nil)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, true, !snap.(*immutableRef).getBlobOnly())
|
|
require.Equal(t, true, !snap2.(*immutableRef).getBlobOnly())
|
|
|
|
buf := pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
|
|
require.Equal(t, len(buf.all), 0)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 2, len(dirs))
|
|
|
|
err = snap2.Release(context.TODO())
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 0, 2)
|
|
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 0, 0)
|
|
|
|
require.Equal(t, len(buf.all), 2)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, len(dirs))
|
|
|
|
checkNumBlobs(ctx, t, co.cs, 0)
|
|
}
|
|
|
|
func TestSetBlob(t *testing.T) {
|
|
t.Parallel()
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
defer cleanup()
|
|
|
|
ctx, done, err := leaseutil.WithLease(ctx, co.lm, leaseutil.MakeTemporary)
|
|
require.NoError(t, err)
|
|
defer done(context.TODO())
|
|
|
|
cm := co.manager
|
|
|
|
active, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
snap, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
snapRef := snap.(*immutableRef)
|
|
require.Equal(t, "", string(snapRef.getDiffID()))
|
|
require.Equal(t, "", string(snapRef.getBlob()))
|
|
require.Equal(t, "", string(snapRef.getChainID()))
|
|
require.Equal(t, "", string(snapRef.getBlobChainID()))
|
|
require.Equal(t, !snapRef.getBlobOnly(), true)
|
|
|
|
ctx, clean, err := leaseutil.WithLease(ctx, co.lm)
|
|
require.NoError(t, err)
|
|
defer clean(context.TODO())
|
|
|
|
b, desc, err := mapToBlob(map[string]string{"foo": "bar"}, true)
|
|
require.NoError(t, err)
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref1", bytes.NewBuffer(b), desc)
|
|
require.NoError(t, err)
|
|
|
|
err = snap.(*immutableRef).setBlob(ctx, compression.UnknownCompression, ocispecs.Descriptor{
|
|
Digest: digest.FromBytes([]byte("foobar")),
|
|
Annotations: map[string]string{
|
|
"containerd.io/uncompressed": digest.FromBytes([]byte("foobar2")).String(),
|
|
},
|
|
})
|
|
require.Error(t, err)
|
|
|
|
compressionType := compression.FromMediaType(desc.MediaType)
|
|
if compressionType == compression.UnknownCompression {
|
|
t.Errorf("unhandled layer media type: %q", desc.MediaType)
|
|
}
|
|
err = snap.(*immutableRef).setBlob(ctx, compressionType, desc)
|
|
require.NoError(t, err)
|
|
err = snap.(*immutableRef).computeChainMetadata(ctx, map[string]struct{}{snap.ID(): {}})
|
|
require.NoError(t, err)
|
|
|
|
snapRef = snap.(*immutableRef)
|
|
require.Equal(t, desc.Annotations["containerd.io/uncompressed"], string(snapRef.getDiffID()))
|
|
require.Equal(t, desc.Digest, snapRef.getBlob())
|
|
require.Equal(t, desc.MediaType, snapRef.getMediaType())
|
|
require.Equal(t, snapRef.getDiffID(), snapRef.getChainID())
|
|
require.Equal(t, digest.FromBytes([]byte(desc.Digest+" "+snapRef.getDiffID())), snapRef.getBlobChainID())
|
|
require.Equal(t, snap.ID(), snapRef.getSnapshotID())
|
|
require.Equal(t, !snapRef.getBlobOnly(), true)
|
|
|
|
active, err = cm.New(ctx, snap, nil)
|
|
require.NoError(t, err)
|
|
|
|
snap2, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
b2, desc2, err := mapToBlob(map[string]string{"foo2": "bar2"}, true)
|
|
require.NoError(t, err)
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref2", bytes.NewBuffer(b2), desc2)
|
|
require.NoError(t, err)
|
|
|
|
compressionType2 := compression.FromMediaType(desc2.MediaType)
|
|
if compressionType2 == compression.UnknownCompression {
|
|
t.Errorf("unhandled layer media type: %q", desc2.MediaType)
|
|
}
|
|
err = snap2.(*immutableRef).setBlob(ctx, compressionType2, desc2)
|
|
require.NoError(t, err)
|
|
err = snap2.(*immutableRef).computeChainMetadata(ctx, map[string]struct{}{snap.ID(): {}, snap2.ID(): {}})
|
|
require.NoError(t, err)
|
|
|
|
snapRef2 := snap2.(*immutableRef)
|
|
require.Equal(t, desc2.Annotations["containerd.io/uncompressed"], string(snapRef2.getDiffID()))
|
|
require.Equal(t, desc2.Digest, snapRef2.getBlob())
|
|
require.Equal(t, desc2.MediaType, snapRef2.getMediaType())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef.getChainID()+" "+snapRef2.getDiffID())), snapRef2.getChainID())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef.getBlobChainID()+" "+digest.FromBytes([]byte(desc2.Digest+" "+snapRef2.getDiffID())))), snapRef2.getBlobChainID())
|
|
require.Equal(t, snap2.ID(), snapRef2.getSnapshotID())
|
|
require.Equal(t, !snapRef2.getBlobOnly(), true)
|
|
|
|
b3, desc3, err := mapToBlob(map[string]string{"foo3": "bar3"}, true)
|
|
require.NoError(t, err)
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref3", bytes.NewBuffer(b3), desc3)
|
|
require.NoError(t, err)
|
|
|
|
snap3, err := cm.GetByBlob(ctx, desc3, snap)
|
|
require.NoError(t, err)
|
|
|
|
snapRef3 := snap3.(*immutableRef)
|
|
require.Equal(t, desc3.Annotations["containerd.io/uncompressed"], string(snapRef3.getDiffID()))
|
|
require.Equal(t, desc3.Digest, snapRef3.getBlob())
|
|
require.Equal(t, desc3.MediaType, snapRef3.getMediaType())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef.getChainID()+" "+snapRef3.getDiffID())), snapRef3.getChainID())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef.getBlobChainID()+" "+digest.FromBytes([]byte(desc3.Digest+" "+snapRef3.getDiffID())))), snapRef3.getBlobChainID())
|
|
require.Equal(t, string(snapRef3.getChainID()), snapRef3.getSnapshotID())
|
|
require.Equal(t, !snapRef3.getBlobOnly(), false)
|
|
|
|
// snap4 is same as snap2
|
|
snap4, err := cm.GetByBlob(ctx, desc2, snap)
|
|
require.NoError(t, err)
|
|
|
|
require.Equal(t, snap2.ID(), snap4.ID())
|
|
|
|
// snap5 is same different blob but same diffID as snap2
|
|
b5, desc5, err := mapToBlob(map[string]string{"foo5": "bar5"}, true)
|
|
require.NoError(t, err)
|
|
|
|
desc5.Annotations["containerd.io/uncompressed"] = snapRef2.getDiffID().String()
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref5", bytes.NewBuffer(b5), desc5)
|
|
require.NoError(t, err)
|
|
|
|
snap5, err := cm.GetByBlob(ctx, desc5, snap)
|
|
require.NoError(t, err)
|
|
|
|
snapRef5 := snap5.(*immutableRef)
|
|
require.NotEqual(t, snap2.ID(), snap5.ID())
|
|
require.Equal(t, snapRef2.getSnapshotID(), snapRef5.getSnapshotID())
|
|
require.Equal(t, snapRef2.getDiffID(), snapRef5.getDiffID())
|
|
require.Equal(t, desc5.Digest, snapRef5.getBlob())
|
|
|
|
require.Equal(t, snapRef2.getChainID(), snapRef5.getChainID())
|
|
require.NotEqual(t, snapRef2.getBlobChainID(), snapRef5.getBlobChainID())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef.getBlobChainID()+" "+digest.FromBytes([]byte(desc5.Digest+" "+snapRef2.getDiffID())))), snapRef5.getBlobChainID())
|
|
|
|
// snap6 is a child of snap3
|
|
b6, desc6, err := mapToBlob(map[string]string{"foo6": "bar6"}, true)
|
|
require.NoError(t, err)
|
|
|
|
err = content.WriteBlob(ctx, co.cs, "ref6", bytes.NewBuffer(b6), desc6)
|
|
require.NoError(t, err)
|
|
|
|
snap6, err := cm.GetByBlob(ctx, desc6, snap3)
|
|
require.NoError(t, err)
|
|
|
|
snapRef6 := snap6.(*immutableRef)
|
|
require.Equal(t, desc6.Annotations["containerd.io/uncompressed"], string(snapRef6.getDiffID()))
|
|
require.Equal(t, desc6.Digest, snapRef6.getBlob())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef3.getChainID()+" "+snapRef6.getDiffID())), snapRef6.getChainID())
|
|
require.Equal(t, digest.FromBytes([]byte(snapRef3.getBlobChainID()+" "+digest.FromBytes([]byte(snapRef6.getBlob()+" "+snapRef6.getDiffID())))), snapRef6.getBlobChainID())
|
|
require.Equal(t, string(snapRef6.getChainID()), snapRef6.getSnapshotID())
|
|
require.Equal(t, !snapRef6.getBlobOnly(), false)
|
|
|
|
_, err = cm.GetByBlob(ctx, ocispecs.Descriptor{
|
|
Digest: digest.FromBytes([]byte("notexist")),
|
|
Annotations: map[string]string{
|
|
"containerd.io/uncompressed": digest.FromBytes([]byte("notexist")).String(),
|
|
},
|
|
}, snap3)
|
|
require.Error(t, err)
|
|
|
|
clean(context.TODO())
|
|
|
|
//snap.SetBlob()
|
|
}
|
|
|
|
func TestPrune(t *testing.T) {
|
|
t.Parallel()
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
defer cleanup()
|
|
cm := co.manager
|
|
|
|
active, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
snap, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
active, err = cm.New(ctx, snap, nil, CachePolicyRetain)
|
|
require.NoError(t, err)
|
|
|
|
snap2, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
|
|
dirs, err := ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 2, len(dirs))
|
|
|
|
// prune with keeping refs does nothing
|
|
buf := pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
require.Equal(t, len(buf.all), 0)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 2, len(dirs))
|
|
|
|
err = snap2.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 1, 1)
|
|
|
|
// prune with keeping single refs deletes one
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 1, 0)
|
|
require.Equal(t, len(buf.all), 1)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1, len(dirs))
|
|
|
|
err = snap.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
active, err = cm.New(ctx, snap, nil, CachePolicyRetain)
|
|
require.NoError(t, err)
|
|
|
|
snap2, err = active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
err = snap.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
|
|
// prune with parent released does nothing
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 2, 0)
|
|
require.Equal(t, len(buf.all), 0)
|
|
|
|
// releasing last reference
|
|
err = snap2.Release(ctx)
|
|
require.NoError(t, err)
|
|
checkDiskUsage(ctx, t, cm, 0, 2)
|
|
|
|
buf = pruneResultBuffer()
|
|
err = cm.Prune(ctx, buf.C, client.PruneInfo{})
|
|
buf.close()
|
|
require.NoError(t, err)
|
|
|
|
checkDiskUsage(ctx, t, cm, 0, 0)
|
|
require.Equal(t, len(buf.all), 2)
|
|
|
|
dirs, err = ioutil.ReadDir(filepath.Join(tmpdir, "snapshots/snapshots"))
|
|
require.NoError(t, err)
|
|
require.Equal(t, 0, len(dirs))
|
|
}
|
|
|
|
func TestLazyCommit(t *testing.T) {
|
|
t.Parallel()
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
tmpdir: tmpdir,
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
cm := co.manager
|
|
|
|
active, err := cm.New(ctx, nil, nil, CachePolicyRetain)
|
|
require.NoError(t, err)
|
|
|
|
// after commit mutable is locked
|
|
snap, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
_, err = cm.GetMutable(ctx, active.ID())
|
|
require.Error(t, err)
|
|
require.Equal(t, true, errors.Is(err, ErrLocked))
|
|
|
|
// immutable refs still work
|
|
snap2, err := cm.Get(ctx, snap.ID())
|
|
require.NoError(t, err)
|
|
require.Equal(t, snap.ID(), snap2.ID())
|
|
|
|
err = snap.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
err = snap2.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
// immutable work after final release as well
|
|
snap, err = cm.Get(ctx, snap.ID())
|
|
require.NoError(t, err)
|
|
require.Equal(t, snap.ID(), snap2.ID())
|
|
|
|
// active can't be get while immutable is held
|
|
_, err = cm.GetMutable(ctx, active.ID())
|
|
require.Error(t, err)
|
|
require.Equal(t, true, errors.Is(err, ErrLocked))
|
|
|
|
err = snap.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
// after release mutable becomes available again
|
|
active2, err := cm.GetMutable(ctx, active.ID())
|
|
require.NoError(t, err)
|
|
require.Equal(t, active2.ID(), active.ID())
|
|
|
|
// because ref was took mutable old immutable are cleared
|
|
_, err = cm.Get(ctx, snap.ID())
|
|
require.Error(t, err)
|
|
require.Equal(t, true, errors.Is(err, errNotFound))
|
|
|
|
snap, err = active2.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
// this time finalize commit
|
|
err = snap.Finalize(ctx)
|
|
require.NoError(t, err)
|
|
|
|
err = snap.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
// mutable is gone after finalize
|
|
_, err = cm.GetMutable(ctx, active2.ID())
|
|
require.Error(t, err)
|
|
require.Equal(t, true, errors.Is(err, errNotFound))
|
|
|
|
// immutable still works
|
|
snap2, err = cm.Get(ctx, snap.ID())
|
|
require.NoError(t, err)
|
|
require.Equal(t, snap.ID(), snap2.ID())
|
|
|
|
err = snap2.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
// test restarting after commit
|
|
active, err = cm.New(ctx, nil, nil, CachePolicyRetain)
|
|
require.NoError(t, err)
|
|
|
|
// after commit mutable is locked
|
|
snap, err = active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
err = cm.Close()
|
|
require.NoError(t, err)
|
|
|
|
cleanup()
|
|
|
|
// we can't close snapshotter and open it twice (especially, its internal bbolt store)
|
|
co, cleanup, err = newCacheManager(ctx, cmOpt{
|
|
tmpdir: tmpdir,
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
cm = co.manager
|
|
|
|
snap2, err = cm.Get(ctx, snap.ID())
|
|
require.NoError(t, err)
|
|
|
|
err = snap2.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
active, err = cm.GetMutable(ctx, active.ID())
|
|
require.NoError(t, err)
|
|
|
|
_, err = cm.Get(ctx, snap.ID())
|
|
require.Error(t, err)
|
|
require.Equal(t, true, errors.Is(err, errNotFound))
|
|
|
|
snap, err = active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
err = cm.Close()
|
|
require.NoError(t, err)
|
|
|
|
cleanup()
|
|
|
|
co, cleanup, err = newCacheManager(ctx, cmOpt{
|
|
tmpdir: tmpdir,
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm = co.manager
|
|
|
|
snap2, err = cm.Get(ctx, snap.ID())
|
|
require.NoError(t, err)
|
|
|
|
err = snap2.Finalize(ctx)
|
|
require.NoError(t, err)
|
|
|
|
err = snap2.Release(ctx)
|
|
require.NoError(t, err)
|
|
|
|
_, err = cm.GetMutable(ctx, active.ID())
|
|
require.Error(t, err)
|
|
require.Equal(t, true, errors.Is(err, errNotFound))
|
|
}
|
|
|
|
func TestConversion(t *testing.T) {
|
|
t.Parallel()
|
|
if runtime.GOOS != "linux" {
|
|
t.Skipf("unsupported GOOS: %s", runtime.GOOS)
|
|
}
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
store := co.cs
|
|
|
|
// Preapre the original tar blob using archive/tar and tar command on the system
|
|
m := map[string]string{"foo1": "bar1", "foo2": "bar2"}
|
|
|
|
orgBlobBytesGo, orgDescGo, err := mapToBlob(m, false)
|
|
require.NoError(t, err)
|
|
cw, err := store.Writer(ctx, content.WithRef(fmt.Sprintf("write-test-blob-%s", orgDescGo.Digest)))
|
|
require.NoError(t, err)
|
|
_, err = cw.Write(orgBlobBytesGo)
|
|
require.NoError(t, err)
|
|
err = cw.Commit(ctx, 0, cw.Digest())
|
|
require.NoError(t, err)
|
|
|
|
orgBlobBytesSys, orgDescSys, err := mapToSystemTarBlob(m)
|
|
require.NoError(t, err)
|
|
cw, err = store.Writer(ctx, content.WithRef(fmt.Sprintf("write-test-blob-%s", orgDescSys.Digest)))
|
|
require.NoError(t, err)
|
|
_, err = cw.Write(orgBlobBytesSys)
|
|
require.NoError(t, err)
|
|
err = cw.Commit(ctx, 0, cw.Digest())
|
|
require.NoError(t, err)
|
|
|
|
// Tests all combination of the conversions from type i to type j preserve
|
|
// the uncompressed digest.
|
|
allCompression := []compression.Type{compression.Uncompressed, compression.Gzip, compression.EStargz, compression.Zstd}
|
|
eg, egctx := errgroup.WithContext(ctx)
|
|
for _, orgDesc := range []ocispecs.Descriptor{orgDescGo, orgDescSys} {
|
|
for _, i := range allCompression {
|
|
for _, j := range allCompression {
|
|
i, j, orgDesc := i, j, orgDesc
|
|
eg.Go(func() error {
|
|
testName := fmt.Sprintf("%s=>%s", i, j)
|
|
|
|
// Prepare the source compression type
|
|
convertFunc, err := getConverter(egctx, store, orgDesc, i)
|
|
require.NoError(t, err, testName)
|
|
srcDesc := &orgDesc
|
|
if convertFunc != nil {
|
|
srcDesc, err = convertFunc(egctx, store, orgDesc)
|
|
require.NoError(t, err, testName)
|
|
}
|
|
|
|
// Convert the blob
|
|
convertFunc, err = getConverter(egctx, store, *srcDesc, j)
|
|
require.NoError(t, err, testName)
|
|
resDesc := srcDesc
|
|
if convertFunc != nil {
|
|
resDesc, err = convertFunc(egctx, store, *srcDesc)
|
|
require.NoError(t, err, testName)
|
|
}
|
|
|
|
// Check the uncompressed digest is the same as the original
|
|
convertFunc, err = getConverter(egctx, store, *resDesc, compression.Uncompressed)
|
|
require.NoError(t, err, testName)
|
|
recreatedDesc := resDesc
|
|
if convertFunc != nil {
|
|
recreatedDesc, err = convertFunc(egctx, store, *resDesc)
|
|
require.NoError(t, err, testName)
|
|
}
|
|
require.Equal(t, recreatedDesc.Digest, orgDesc.Digest, testName)
|
|
require.NotNil(t, recreatedDesc.Annotations)
|
|
require.Equal(t, recreatedDesc.Annotations["containerd.io/uncompressed"], orgDesc.Digest.String(), testName)
|
|
return nil
|
|
})
|
|
}
|
|
}
|
|
}
|
|
require.NoError(t, eg.Wait())
|
|
}
|
|
|
|
type idxToVariants []map[compression.Type]ocispecs.Descriptor
|
|
|
|
func TestGetRemotes(t *testing.T) {
|
|
t.Parallel()
|
|
// windows fails when lazy blob is being extracted with "invalid windows mount type: 'bind'"
|
|
if runtime.GOOS != "linux" {
|
|
t.Skipf("unsupported GOOS: %s", runtime.GOOS)
|
|
}
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm := co.manager
|
|
|
|
ctx, done, err := leaseutil.WithLease(ctx, co.lm, leaseutil.MakeTemporary)
|
|
require.NoError(t, err)
|
|
defer done(context.TODO())
|
|
|
|
contentBuffer := contentutil.NewBuffer()
|
|
|
|
descHandlers := DescHandlers(map[digest.Digest]*DescHandler{})
|
|
|
|
// make some lazy refs from blobs
|
|
expectedContent := map[digest.Digest]struct{}{}
|
|
var descs []ocispecs.Descriptor
|
|
for i := 0; i < 2; i++ {
|
|
blobmap := map[string]string{"foo": strconv.Itoa(i)}
|
|
blobBytes, desc, err := mapToBlob(blobmap, true)
|
|
require.NoError(t, err)
|
|
|
|
expectedContent[desc.Digest] = struct{}{}
|
|
descs = append(descs, desc)
|
|
|
|
cw, err := contentBuffer.Writer(ctx)
|
|
require.NoError(t, err)
|
|
_, err = cw.Write(blobBytes)
|
|
require.NoError(t, err)
|
|
err = cw.Commit(ctx, 0, cw.Digest())
|
|
require.NoError(t, err)
|
|
|
|
descHandlers[desc.Digest] = &DescHandler{
|
|
Provider: func(_ session.Group) content.Provider { return contentBuffer },
|
|
}
|
|
|
|
uncompressedBlobBytes, uncompressedDesc, err := mapToBlob(blobmap, false)
|
|
require.NoError(t, err)
|
|
expectedContent[uncompressedDesc.Digest] = struct{}{}
|
|
|
|
esgzDgst, err := esgzBlobDigest(uncompressedBlobBytes)
|
|
require.NoError(t, err)
|
|
expectedContent[esgzDgst] = struct{}{}
|
|
|
|
zstdDigest, err := zstdBlobDigest(uncompressedBlobBytes)
|
|
require.NoError(t, err)
|
|
expectedContent[zstdDigest] = struct{}{}
|
|
}
|
|
|
|
// Create 3 levels of mutable refs, where each parent ref has 2 children (this tests parallel creation of
|
|
// overlapping blob chains).
|
|
lazyRef, err := cm.GetByBlob(ctx, descs[0], nil, descHandlers)
|
|
require.NoError(t, err)
|
|
|
|
refs := []ImmutableRef{lazyRef}
|
|
for i := 0; i < 3; i++ {
|
|
var newRefs []ImmutableRef
|
|
for j, ir := range refs {
|
|
for k := 0; k < 2; k++ {
|
|
mutRef, err := cm.New(ctx, ir, nil, descHandlers)
|
|
require.NoError(t, err)
|
|
|
|
m, err := mutRef.Mount(ctx, false, nil)
|
|
require.NoError(t, err)
|
|
|
|
lm := snapshot.LocalMounter(m)
|
|
target, err := lm.Mount()
|
|
require.NoError(t, err)
|
|
|
|
f, err := os.Create(filepath.Join(target, fmt.Sprintf("%d-%d-%d", i, j, k)))
|
|
require.NoError(t, err)
|
|
err = os.Chtimes(f.Name(), time.Unix(0, 0), time.Unix(0, 0))
|
|
require.NoError(t, err)
|
|
|
|
_, desc, err := fileToBlob(f, true)
|
|
require.NoError(t, err)
|
|
expectedContent[desc.Digest] = struct{}{}
|
|
uncompressedBlobBytes, uncompressedDesc, err := fileToBlob(f, false)
|
|
require.NoError(t, err)
|
|
expectedContent[uncompressedDesc.Digest] = struct{}{}
|
|
|
|
esgzDgst, err := esgzBlobDigest(uncompressedBlobBytes)
|
|
require.NoError(t, err)
|
|
expectedContent[esgzDgst] = struct{}{}
|
|
|
|
zstdDigest, err := zstdBlobDigest(uncompressedBlobBytes)
|
|
require.NoError(t, err)
|
|
expectedContent[zstdDigest] = struct{}{}
|
|
|
|
f.Close()
|
|
err = lm.Unmount()
|
|
require.NoError(t, err)
|
|
|
|
immutRef, err := mutRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
newRefs = append(newRefs, immutRef)
|
|
}
|
|
}
|
|
refs = newRefs
|
|
}
|
|
|
|
// also test the original lazyRef to get coverage for refs that don't have to be extracted from the snapshotter
|
|
lazyRef2, err := cm.GetByBlob(ctx, descs[1], nil, descHandlers)
|
|
require.NoError(t, err)
|
|
refs = append(refs, lazyRef2)
|
|
|
|
checkNumBlobs(ctx, t, co.cs, 1)
|
|
|
|
variantsMap := make(map[string]idxToVariants)
|
|
var variantsMapMu sync.Mutex
|
|
|
|
// Call GetRemotes on all the refs
|
|
eg, egctx := errgroup.WithContext(ctx)
|
|
for _, ir := range refs {
|
|
ir := ir.(*immutableRef)
|
|
for _, compressionType := range []compression.Type{compression.Uncompressed, compression.Gzip, compression.EStargz, compression.Zstd} {
|
|
compressionType := compressionType
|
|
compressionopt := solver.CompressionOpt{
|
|
Type: compressionType,
|
|
Force: true,
|
|
}
|
|
eg.Go(func() error {
|
|
remotes, err := ir.GetRemotes(egctx, true, compressionopt, false, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1, len(remotes))
|
|
remote := remotes[0]
|
|
refChain := ir.layerChain()
|
|
for i, desc := range remote.Descriptors {
|
|
switch compressionType {
|
|
case compression.Uncompressed:
|
|
require.Equal(t, ocispecs.MediaTypeImageLayer, desc.MediaType)
|
|
case compression.Gzip:
|
|
require.Equal(t, ocispecs.MediaTypeImageLayerGzip, desc.MediaType)
|
|
case compression.EStargz:
|
|
require.Equal(t, ocispecs.MediaTypeImageLayerGzip, desc.MediaType)
|
|
case compression.Zstd:
|
|
require.Equal(t, ocispecs.MediaTypeImageLayer+"+zstd", desc.MediaType)
|
|
default:
|
|
require.Fail(t, "unhandled media type", compressionType)
|
|
}
|
|
dgst := desc.Digest
|
|
require.Contains(t, expectedContent, dgst, "for %v", compressionType)
|
|
checkDescriptor(ctx, t, co.cs, desc, compressionType)
|
|
|
|
variantsMapMu.Lock()
|
|
if len(variantsMap[ir.ID()]) == 0 {
|
|
variantsMap[ir.ID()] = make(idxToVariants, len(remote.Descriptors))
|
|
}
|
|
variantsMapMu.Unlock()
|
|
|
|
require.Equal(t, len(remote.Descriptors), len(variantsMap[ir.ID()]))
|
|
|
|
variantsMapMu.Lock()
|
|
if variantsMap[ir.ID()][i] == nil {
|
|
variantsMap[ir.ID()][i] = make(map[compression.Type]ocispecs.Descriptor)
|
|
}
|
|
variantsMap[ir.ID()][i][compressionType] = desc
|
|
variantsMapMu.Unlock()
|
|
|
|
r := refChain[i]
|
|
isLazy, err := r.isLazy(egctx)
|
|
require.NoError(t, err)
|
|
needs, err := needsConversion(ctx, co.cs, desc, compressionType)
|
|
require.NoError(t, err)
|
|
if needs {
|
|
require.False(t, isLazy, "layer %q requires conversion so it must be unlazied", desc.Digest)
|
|
}
|
|
bDesc, err := r.getCompressionBlob(egctx, compressionType)
|
|
if isLazy {
|
|
require.Error(t, err)
|
|
} else {
|
|
require.NoError(t, err)
|
|
checkDescriptor(ctx, t, co.cs, bDesc, compressionType)
|
|
require.Equal(t, desc.Digest, bDesc.Digest)
|
|
}
|
|
}
|
|
return nil
|
|
})
|
|
}
|
|
}
|
|
require.NoError(t, eg.Wait())
|
|
|
|
// verify there's a 1-to-1 mapping between the content store and what we expected to be there
|
|
err = co.cs.Walk(ctx, func(info content.Info) error {
|
|
dgst := info.Digest
|
|
var matched bool
|
|
for expected := range expectedContent {
|
|
if dgst == expected {
|
|
delete(expectedContent, expected)
|
|
matched = true
|
|
break
|
|
}
|
|
}
|
|
require.True(t, matched, "unexpected blob: %s", info.Digest)
|
|
checkInfo(ctx, t, co.cs, info)
|
|
return nil
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, map[digest.Digest]struct{}{}, expectedContent)
|
|
|
|
// Check if "all" option returns all available blobs
|
|
for _, ir := range refs {
|
|
ir := ir.(*immutableRef)
|
|
variantsMapMu.Lock()
|
|
variants, ok := variantsMap[ir.ID()]
|
|
variantsMapMu.Unlock()
|
|
require.True(t, ok, ir.ID())
|
|
for _, compressionType := range []compression.Type{compression.Uncompressed, compression.Gzip, compression.EStargz, compression.Zstd} {
|
|
compressionType := compressionType
|
|
compressionopt := solver.CompressionOpt{Type: compressionType}
|
|
eg.Go(func() error {
|
|
remotes, err := ir.GetRemotes(egctx, false, compressionopt, true, nil)
|
|
require.NoError(t, err)
|
|
require.True(t, len(remotes) > 0, "for %s : %d", compressionType, len(remotes))
|
|
gotMain, gotVariants := remotes[0], remotes[1:]
|
|
|
|
// Check the main blob is compatible with all == false
|
|
mainOnly, err := ir.GetRemotes(egctx, false, compressionopt, false, nil)
|
|
require.NoError(t, err)
|
|
require.Equal(t, 1, len(mainOnly))
|
|
mainRemote := mainOnly[0]
|
|
require.Equal(t, len(mainRemote.Descriptors), len(gotMain.Descriptors))
|
|
for i := 0; i < len(mainRemote.Descriptors); i++ {
|
|
require.Equal(t, mainRemote.Descriptors[i].Digest, gotMain.Descriptors[i].Digest)
|
|
}
|
|
|
|
// Check all variants are covered
|
|
checkVariantsCoverage(egctx, t, variants, len(remotes[0].Descriptors)-1, gotVariants, &compressionType)
|
|
return nil
|
|
})
|
|
}
|
|
}
|
|
require.NoError(t, eg.Wait())
|
|
}
|
|
|
|
func checkVariantsCoverage(ctx context.Context, t *testing.T, variants idxToVariants, idx int, remotes []*solver.Remote, expectCompression *compression.Type) {
|
|
if idx < 0 {
|
|
for _, r := range remotes {
|
|
require.Equal(t, len(r.Descriptors), 0)
|
|
}
|
|
return
|
|
}
|
|
|
|
// check the contents of the topmost blob of each remote
|
|
got := make(map[digest.Digest][]*solver.Remote)
|
|
for _, r := range remotes {
|
|
require.Equal(t, len(r.Descriptors)-1, idx, "idx = %d", idx)
|
|
|
|
// record this variant
|
|
topmost, lower := r.Descriptors[idx], r.Descriptors[:idx]
|
|
got[topmost.Digest] = append(got[topmost.Digest], &solver.Remote{Descriptors: lower, Provider: r.Provider})
|
|
|
|
// check the contents
|
|
r, err := r.Provider.ReaderAt(ctx, topmost)
|
|
require.NoError(t, err)
|
|
dgstr := digest.Canonical.Digester()
|
|
_, err = io.Copy(dgstr.Hash(), io.NewSectionReader(r, 0, topmost.Size))
|
|
require.NoError(t, err)
|
|
require.NoError(t, r.Close())
|
|
require.Equal(t, dgstr.Digest(), topmost.Digest)
|
|
}
|
|
|
|
// check the lowers as well
|
|
eg, egctx := errgroup.WithContext(ctx)
|
|
for _, lowers := range got {
|
|
lowers := lowers
|
|
eg.Go(func() error {
|
|
checkVariantsCoverage(egctx, t, variants, idx-1, lowers, nil) // expect all compression variants
|
|
return nil
|
|
})
|
|
}
|
|
require.NoError(t, eg.Wait())
|
|
|
|
// check the coverage of the variants
|
|
targets := variants[idx]
|
|
if expectCompression != nil {
|
|
c, ok := variants[idx][*expectCompression]
|
|
require.True(t, ok, "idx = %d, compression = %q, variants = %+v, got = %+v", idx, *expectCompression, variants[idx], got)
|
|
targets = map[compression.Type]ocispecs.Descriptor{*expectCompression: c}
|
|
}
|
|
for c, d := range targets {
|
|
_, ok := got[d.Digest]
|
|
require.True(t, ok, "idx = %d, compression = %q, want = %+v, got = %+v", idx, c, d, got)
|
|
delete(got, d.Digest)
|
|
}
|
|
require.Equal(t, 0, len(got))
|
|
}
|
|
|
|
func checkInfo(ctx context.Context, t *testing.T, cs content.Store, info content.Info) {
|
|
if info.Labels == nil {
|
|
return
|
|
}
|
|
uncompressedDgst, ok := info.Labels[containerdUncompressed]
|
|
if !ok {
|
|
return
|
|
}
|
|
ra, err := cs.ReaderAt(ctx, ocispecs.Descriptor{Digest: info.Digest})
|
|
require.NoError(t, err)
|
|
defer ra.Close()
|
|
decompressR, err := ctdcompression.DecompressStream(io.NewSectionReader(ra, 0, ra.Size()))
|
|
require.NoError(t, err)
|
|
|
|
diffID := digest.Canonical.Digester()
|
|
_, err = io.Copy(diffID.Hash(), decompressR)
|
|
require.NoError(t, err)
|
|
require.Equal(t, diffID.Digest().String(), uncompressedDgst)
|
|
}
|
|
|
|
func checkDescriptor(ctx context.Context, t *testing.T, cs content.Store, desc ocispecs.Descriptor, compressionType compression.Type) {
|
|
if desc.Annotations == nil {
|
|
return
|
|
}
|
|
|
|
// Check annotations exist
|
|
uncompressedDgst, ok := desc.Annotations[containerdUncompressed]
|
|
require.True(t, ok, "uncompressed digest annotation not found: %q", desc.Digest)
|
|
var uncompressedSize int64
|
|
if compressionType == compression.EStargz {
|
|
_, ok := desc.Annotations[estargz.TOCJSONDigestAnnotation]
|
|
require.True(t, ok, "toc digest annotation not found: %q", desc.Digest)
|
|
uncompressedSizeS, ok := desc.Annotations[estargz.StoreUncompressedSizeAnnotation]
|
|
require.True(t, ok, "uncompressed size annotation not found: %q", desc.Digest)
|
|
var err error
|
|
uncompressedSize, err = strconv.ParseInt(uncompressedSizeS, 10, 64)
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
// Check annotation values are valid
|
|
c := new(counter)
|
|
ra, err := cs.ReaderAt(ctx, desc)
|
|
if err != nil && errdefs.IsNotFound(err) {
|
|
return // lazy layer
|
|
}
|
|
require.NoError(t, err)
|
|
defer ra.Close()
|
|
decompressR, err := ctdcompression.DecompressStream(io.NewSectionReader(ra, 0, ra.Size()))
|
|
require.NoError(t, err)
|
|
|
|
diffID := digest.Canonical.Digester()
|
|
_, err = io.Copy(io.MultiWriter(diffID.Hash(), c), decompressR)
|
|
require.NoError(t, err)
|
|
require.Equal(t, diffID.Digest().String(), uncompressedDgst)
|
|
if compressionType == compression.EStargz {
|
|
require.Equal(t, c.size(), uncompressedSize)
|
|
}
|
|
}
|
|
|
|
func TestMergeOp(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Depends on unimplemented merge-op support on Windows")
|
|
}
|
|
|
|
// This just tests the basic Merge method and some of the logic with releasing merge refs.
|
|
// Tests for the fs merge logic are in client_test and snapshotter_test.
|
|
t.Parallel()
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm := co.manager
|
|
|
|
emptyMerge, err := cm.Merge(ctx, nil)
|
|
require.NoError(t, err)
|
|
require.Nil(t, emptyMerge)
|
|
|
|
var baseRefs []ImmutableRef
|
|
for i := 0; i < 6; i++ {
|
|
active, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
m, err := active.Mount(ctx, false, nil)
|
|
require.NoError(t, err)
|
|
lm := snapshot.LocalMounter(m)
|
|
target, err := lm.Mount()
|
|
require.NoError(t, err)
|
|
err = fstest.Apply(
|
|
fstest.CreateFile(strconv.Itoa(i), []byte(strconv.Itoa(i)), 0777),
|
|
).Apply(target)
|
|
require.NoError(t, err)
|
|
err = lm.Unmount()
|
|
require.NoError(t, err)
|
|
snap, err := active.Commit(ctx)
|
|
require.NoError(t, err)
|
|
baseRefs = append(baseRefs, snap)
|
|
size, err := snap.(*immutableRef).size(ctx)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, 8192, size)
|
|
}
|
|
|
|
singleMerge, err := cm.Merge(ctx, baseRefs[:1])
|
|
require.NoError(t, err)
|
|
m, err := singleMerge.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
ms, unmount, err := m.Mount()
|
|
require.NoError(t, err)
|
|
require.Len(t, ms, 1)
|
|
require.Equal(t, ms[0].Type, "bind")
|
|
err = fstest.CheckDirectoryEqualWithApplier(ms[0].Source, fstest.Apply(
|
|
fstest.CreateFile(strconv.Itoa(0), []byte(strconv.Itoa(0)), 0777),
|
|
))
|
|
require.NoError(t, err)
|
|
require.NoError(t, unmount())
|
|
require.NoError(t, singleMerge.Release(ctx))
|
|
|
|
err = cm.Prune(ctx, nil, client.PruneInfo{Filter: []string{
|
|
"id==" + singleMerge.ID(),
|
|
}})
|
|
require.NoError(t, err)
|
|
|
|
merge1, err := cm.Merge(ctx, baseRefs[:3])
|
|
require.NoError(t, err)
|
|
_, err = merge1.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
size1, err := merge1.(*immutableRef).size(ctx)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, 4096, size1) // hardlinking means all but the first snapshot doesn't take up space
|
|
checkDiskUsage(ctx, t, cm, 7, 0)
|
|
|
|
merge2, err := cm.Merge(ctx, baseRefs[3:])
|
|
require.NoError(t, err)
|
|
_, err = merge2.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
size2, err := merge2.(*immutableRef).size(ctx)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, 4096, size2)
|
|
checkDiskUsage(ctx, t, cm, 8, 0)
|
|
|
|
for _, ref := range baseRefs {
|
|
require.NoError(t, ref.Release(ctx))
|
|
}
|
|
checkDiskUsage(ctx, t, cm, 8, 0)
|
|
// should still be able to use merges based on released refs
|
|
|
|
merge3, err := cm.Merge(ctx, []ImmutableRef{merge1, merge2})
|
|
require.NoError(t, err)
|
|
require.NoError(t, merge1.Release(ctx))
|
|
require.NoError(t, merge2.Release(ctx))
|
|
_, err = merge3.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
size3, err := merge3.(*immutableRef).size(ctx)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, 4096, size3)
|
|
require.Len(t, merge3.(*immutableRef).mergeParents, 6)
|
|
checkDiskUsage(ctx, t, cm, 7, 2)
|
|
|
|
require.NoError(t, merge3.Release(ctx))
|
|
checkDiskUsage(ctx, t, cm, 0, 9)
|
|
err = cm.Prune(ctx, nil, client.PruneInfo{All: true})
|
|
require.NoError(t, err)
|
|
checkDiskUsage(ctx, t, cm, 0, 0)
|
|
}
|
|
|
|
func TestDiffOp(t *testing.T) {
|
|
if runtime.GOOS == "windows" {
|
|
t.Skip("Depends on unimplemented diff-op support on Windows")
|
|
}
|
|
|
|
// This just tests the basic Diff method and some of the logic with releasing diff refs.
|
|
// Tests for the fs diff logic are in client_test and snapshotter_test.
|
|
t.Parallel()
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm := co.manager
|
|
|
|
newLower, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
lowerA, err := newLower.Commit(ctx)
|
|
require.NoError(t, err)
|
|
newUpper, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
upperA, err := newUpper.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
// verify that releasing parents does not invalidate a diff ref until it is released
|
|
diff, err := cm.Diff(ctx, lowerA, upperA)
|
|
require.NoError(t, err)
|
|
checkDiskUsage(ctx, t, cm, 3, 0)
|
|
require.NoError(t, lowerA.Release(ctx))
|
|
require.NoError(t, upperA.Release(ctx))
|
|
checkDiskUsage(ctx, t, cm, 3, 0)
|
|
require.NoError(t, cm.Prune(ctx, nil, client.PruneInfo{All: true}))
|
|
checkDiskUsage(ctx, t, cm, 3, 0)
|
|
_, err = diff.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
require.NoError(t, diff.Release(ctx))
|
|
checkDiskUsage(ctx, t, cm, 0, 3)
|
|
require.NoError(t, cm.Prune(ctx, nil, client.PruneInfo{All: true}))
|
|
checkDiskUsage(ctx, t, cm, 0, 0)
|
|
|
|
// test "unmerge" diffs that are defined as a merge of single-layer diffs
|
|
newRef, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
a, err := newRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
newRef, err = cm.New(ctx, a, nil)
|
|
require.NoError(t, err)
|
|
b, err := newRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
newRef, err = cm.New(ctx, b, nil)
|
|
require.NoError(t, err)
|
|
c, err := newRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
newRef, err = cm.New(ctx, c, nil)
|
|
require.NoError(t, err)
|
|
d, err := newRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
newRef, err = cm.New(ctx, d, nil)
|
|
require.NoError(t, err)
|
|
e, err := newRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
diff, err = cm.Diff(ctx, c, e)
|
|
require.NoError(t, err)
|
|
checkDiskUsage(ctx, t, cm, 8, 0) // 5 base refs + 2 diffs + 1 merge
|
|
require.NoError(t, a.Release(ctx))
|
|
require.NoError(t, b.Release(ctx))
|
|
require.NoError(t, c.Release(ctx))
|
|
require.NoError(t, d.Release(ctx))
|
|
require.NoError(t, e.Release(ctx))
|
|
checkDiskUsage(ctx, t, cm, 8, 0)
|
|
require.NoError(t, cm.Prune(ctx, nil, client.PruneInfo{All: true}))
|
|
checkDiskUsage(ctx, t, cm, 8, 0)
|
|
_, err = diff.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
require.NoError(t, diff.Release(ctx))
|
|
checkDiskUsage(ctx, t, cm, 0, 8)
|
|
require.NoError(t, cm.Prune(ctx, nil, client.PruneInfo{All: true}))
|
|
checkDiskUsage(ctx, t, cm, 0, 0)
|
|
}
|
|
|
|
func TestLoadHalfFinalizedRef(t *testing.T) {
|
|
// This test simulates the situation where a ref w/ an equalMutable has its
|
|
// snapshot committed but there is a crash before the metadata is updated to
|
|
// clear the equalMutable field. It's expected that the mutable will be
|
|
// removed and the immutable ref will continue to be usable.
|
|
t.Parallel()
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
tmpdir: tmpdir,
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm := co.manager.(*cacheManager)
|
|
|
|
mref, err := cm.New(ctx, nil, nil, CachePolicyRetain)
|
|
require.NoError(t, err)
|
|
mutRef := mref.(*mutableRef)
|
|
|
|
iref, err := mutRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
immutRef := iref.(*immutableRef)
|
|
|
|
require.NoError(t, mref.Release(ctx))
|
|
|
|
_, err = co.lm.Create(ctx, func(l *leases.Lease) error {
|
|
l.ID = immutRef.ID()
|
|
l.Labels = map[string]string{
|
|
"containerd.io/gc.flat": time.Now().UTC().Format(time.RFC3339Nano),
|
|
}
|
|
return nil
|
|
})
|
|
require.NoError(t, err)
|
|
err = co.lm.AddResource(ctx, leases.Lease{ID: immutRef.ID()}, leases.Resource{
|
|
ID: immutRef.getSnapshotID(),
|
|
Type: "snapshots/" + cm.Snapshotter.Name(),
|
|
})
|
|
require.NoError(t, err)
|
|
|
|
err = cm.Snapshotter.Commit(ctx, immutRef.getSnapshotID(), mutRef.getSnapshotID())
|
|
require.NoError(t, err)
|
|
|
|
_, err = cm.Snapshotter.Stat(ctx, mutRef.getSnapshotID())
|
|
require.Error(t, err)
|
|
|
|
require.NoError(t, iref.Release(ctx))
|
|
|
|
require.NoError(t, cm.Close())
|
|
require.NoError(t, cleanup())
|
|
|
|
co, cleanup, err = newCacheManager(ctx, cmOpt{
|
|
tmpdir: tmpdir,
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "native",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm = co.manager.(*cacheManager)
|
|
|
|
_, err = cm.GetMutable(ctx, mutRef.ID())
|
|
require.ErrorIs(t, err, errNotFound)
|
|
|
|
iref, err = cm.Get(ctx, immutRef.ID())
|
|
require.NoError(t, err)
|
|
require.NoError(t, iref.Finalize(ctx))
|
|
immutRef = iref.(*immutableRef)
|
|
|
|
_, err = cm.Snapshotter.Stat(ctx, immutRef.getSnapshotID())
|
|
require.NoError(t, err)
|
|
}
|
|
|
|
func TestMountReadOnly(t *testing.T) {
|
|
t.Parallel()
|
|
if runtime.GOOS != "linux" {
|
|
t.Skipf("unsupported GOOS: %s", runtime.GOOS)
|
|
}
|
|
|
|
ctx := namespaces.WithNamespace(context.Background(), "buildkit-test")
|
|
|
|
tmpdir, err := ioutil.TempDir("", "cachemanager")
|
|
require.NoError(t, err)
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
snapshotter, err := native.NewSnapshotter(filepath.Join(tmpdir, "snapshots"))
|
|
require.NoError(t, err)
|
|
|
|
co, cleanup, err := newCacheManager(ctx, cmOpt{
|
|
snapshotter: snapshotter,
|
|
snapshotterName: "overlay",
|
|
})
|
|
require.NoError(t, err)
|
|
defer cleanup()
|
|
cm := co.manager
|
|
|
|
mutRef, err := cm.New(ctx, nil, nil)
|
|
require.NoError(t, err)
|
|
|
|
for i := 0; i < 2; i++ {
|
|
rwMntable, err := mutRef.Mount(ctx, false, nil)
|
|
require.NoError(t, err)
|
|
rwMnts, release, err := rwMntable.Mount()
|
|
require.NoError(t, err)
|
|
defer release()
|
|
require.Len(t, rwMnts, 1)
|
|
require.False(t, isReadOnly(rwMnts[0]))
|
|
|
|
roMntable, err := mutRef.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
roMnts, release, err := roMntable.Mount()
|
|
require.NoError(t, err)
|
|
defer release()
|
|
require.Len(t, roMnts, 1)
|
|
require.True(t, isReadOnly(roMnts[0]))
|
|
|
|
immutRef, err := mutRef.Commit(ctx)
|
|
require.NoError(t, err)
|
|
|
|
roMntable, err = immutRef.Mount(ctx, true, nil)
|
|
require.NoError(t, err)
|
|
roMnts, release, err = roMntable.Mount()
|
|
require.NoError(t, err)
|
|
defer release()
|
|
require.Len(t, roMnts, 1)
|
|
require.True(t, isReadOnly(roMnts[0]))
|
|
|
|
rwMntable, err = immutRef.Mount(ctx, false, nil)
|
|
require.NoError(t, err)
|
|
rwMnts, release, err = rwMntable.Mount()
|
|
require.NoError(t, err)
|
|
defer release()
|
|
require.Len(t, rwMnts, 1)
|
|
// once immutable, even when readonly=false, the mount is still readonly
|
|
require.True(t, isReadOnly(rwMnts[0]))
|
|
|
|
// repeat with a ref that has a parent
|
|
mutRef, err = cm.New(ctx, immutRef, nil)
|
|
require.NoError(t, err)
|
|
}
|
|
}
|
|
|
|
func checkDiskUsage(ctx context.Context, t *testing.T, cm Manager, inuse, unused int) {
|
|
du, err := cm.DiskUsage(ctx, client.DiskUsageInfo{})
|
|
require.NoError(t, err)
|
|
var inuseActual, unusedActual int
|
|
for _, r := range du {
|
|
if r.InUse {
|
|
inuseActual++
|
|
} else {
|
|
unusedActual++
|
|
}
|
|
}
|
|
require.Equal(t, inuse, inuseActual)
|
|
require.Equal(t, unused, unusedActual)
|
|
}
|
|
|
|
func esgzBlobDigest(uncompressedBlobBytes []byte) (blobDigest digest.Digest, err error) {
|
|
esgzDigester := digest.Canonical.Digester()
|
|
w := estargz.NewWriter(esgzDigester.Hash())
|
|
if err := w.AppendTarLossLess(bytes.NewReader(uncompressedBlobBytes)); err != nil {
|
|
return "", err
|
|
}
|
|
if _, err := w.Close(); err != nil {
|
|
return "", err
|
|
}
|
|
return esgzDigester.Digest(), nil
|
|
}
|
|
|
|
func zstdBlobDigest(uncompressedBlobBytes []byte) (digest.Digest, error) {
|
|
b := bytes.NewBuffer(nil)
|
|
w, err := zstd.NewWriter(b)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
if _, err := w.Write(uncompressedBlobBytes); err != nil {
|
|
return "", err
|
|
}
|
|
if err := w.Close(); err != nil {
|
|
return "", err
|
|
}
|
|
return digest.FromBytes(b.Bytes()), nil
|
|
}
|
|
|
|
func checkNumBlobs(ctx context.Context, t *testing.T, cs content.Store, expected int) {
|
|
c := 0
|
|
err := cs.Walk(ctx, func(_ content.Info) error {
|
|
c++
|
|
return nil
|
|
})
|
|
require.NoError(t, err)
|
|
require.Equal(t, expected, c)
|
|
}
|
|
|
|
func pruneResultBuffer() *buf {
|
|
b := &buf{C: make(chan client.UsageInfo), closed: make(chan struct{})}
|
|
go func() {
|
|
for c := range b.C {
|
|
b.all = append(b.all, c)
|
|
}
|
|
close(b.closed)
|
|
}()
|
|
return b
|
|
}
|
|
|
|
type buf struct {
|
|
C chan client.UsageInfo
|
|
closed chan struct{}
|
|
all []client.UsageInfo
|
|
}
|
|
|
|
func (b *buf) close() {
|
|
close(b.C)
|
|
<-b.closed
|
|
}
|
|
|
|
type bufferCloser struct {
|
|
*bytes.Buffer
|
|
}
|
|
|
|
func (b bufferCloser) Close() error {
|
|
return nil
|
|
}
|
|
|
|
func mapToBlob(m map[string]string, compress bool) ([]byte, ocispecs.Descriptor, error) {
|
|
buf := bytes.NewBuffer(nil)
|
|
sha := digest.SHA256.Digester()
|
|
|
|
var dest io.WriteCloser = bufferCloser{buf}
|
|
if compress {
|
|
dest = gzip.NewWriter(buf)
|
|
}
|
|
tw := tar.NewWriter(io.MultiWriter(sha.Hash(), dest))
|
|
|
|
for k, v := range m {
|
|
if err := tw.WriteHeader(&tar.Header{
|
|
Name: k,
|
|
Size: int64(len(v)),
|
|
}); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
if _, err := tw.Write([]byte(v)); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
}
|
|
if err := tw.Close(); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
if err := dest.Close(); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
|
|
mediaType := ocispecs.MediaTypeImageLayer
|
|
if compress {
|
|
mediaType = ocispecs.MediaTypeImageLayerGzip
|
|
}
|
|
return buf.Bytes(), ocispecs.Descriptor{
|
|
Digest: digest.FromBytes(buf.Bytes()),
|
|
MediaType: mediaType,
|
|
Size: int64(buf.Len()),
|
|
Annotations: map[string]string{
|
|
"containerd.io/uncompressed": sha.Digest().String(),
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func fileToBlob(file *os.File, compress bool) ([]byte, ocispecs.Descriptor, error) {
|
|
buf := bytes.NewBuffer(nil)
|
|
sha := digest.SHA256.Digester()
|
|
|
|
var dest io.WriteCloser = bufferCloser{buf}
|
|
if compress {
|
|
dest = gzip.NewWriter(buf)
|
|
}
|
|
tw := tar.NewWriter(io.MultiWriter(sha.Hash(), dest))
|
|
|
|
info, err := file.Stat()
|
|
if err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
|
|
fi, err := tar.FileInfoHeader(info, "")
|
|
if err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
fi.Format = tar.FormatPAX
|
|
fi.ModTime = fi.ModTime.Truncate(time.Second)
|
|
fi.AccessTime = time.Time{}
|
|
fi.ChangeTime = time.Time{}
|
|
|
|
if err := tw.WriteHeader(fi); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
if _, err := io.Copy(tw, file); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
|
|
if err := tw.Close(); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
if err := dest.Close(); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
|
|
mediaType := ocispecs.MediaTypeImageLayer
|
|
if compress {
|
|
mediaType = ocispecs.MediaTypeImageLayerGzip
|
|
}
|
|
return buf.Bytes(), ocispecs.Descriptor{
|
|
Digest: digest.FromBytes(buf.Bytes()),
|
|
MediaType: mediaType,
|
|
Size: int64(buf.Len()),
|
|
Annotations: map[string]string{
|
|
"containerd.io/uncompressed": sha.Digest().String(),
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func mapToSystemTarBlob(m map[string]string) ([]byte, ocispecs.Descriptor, error) {
|
|
tmpdir, err := ioutil.TempDir("", "tarcreation")
|
|
if err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
defer os.RemoveAll(tmpdir)
|
|
|
|
expected := map[string]string{}
|
|
for k, v := range m {
|
|
expected[k] = v
|
|
if err := ioutil.WriteFile(filepath.Join(tmpdir, k), []byte(v), 0600); err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
}
|
|
|
|
cmd := exec.Command("tar", "-C", tmpdir, "-c", ".")
|
|
tarout, err := cmd.Output()
|
|
if err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
|
|
tr := tar.NewReader(bytes.NewReader(tarout))
|
|
for {
|
|
h, err := tr.Next()
|
|
if err == io.EOF {
|
|
break
|
|
}
|
|
if err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
k := strings.TrimPrefix(filepath.Clean("/"+h.Name), "/")
|
|
if k == "" {
|
|
continue // ignore the root entry
|
|
}
|
|
v, ok := expected[k]
|
|
if !ok {
|
|
return nil, ocispecs.Descriptor{}, errors.Errorf("unexpected file %s", h.Name)
|
|
}
|
|
delete(expected, k)
|
|
gotV, err := ioutil.ReadAll(tr)
|
|
if err != nil {
|
|
return nil, ocispecs.Descriptor{}, err
|
|
}
|
|
if string(gotV) != string(v) {
|
|
return nil, ocispecs.Descriptor{}, errors.Errorf("unexpected contents of %s", h.Name)
|
|
}
|
|
}
|
|
if len(expected) > 0 {
|
|
return nil, ocispecs.Descriptor{}, errors.Errorf("expected file doesn't archived: %+v", expected)
|
|
}
|
|
|
|
return tarout, ocispecs.Descriptor{
|
|
Digest: digest.FromBytes(tarout),
|
|
MediaType: ocispecs.MediaTypeImageLayer,
|
|
Size: int64(len(tarout)),
|
|
Annotations: map[string]string{
|
|
"containerd.io/uncompressed": digest.FromBytes(tarout).String(),
|
|
},
|
|
}, nil
|
|
}
|
|
|
|
func isReadOnly(mnt mount.Mount) bool {
|
|
var hasUpperdir bool
|
|
for _, o := range mnt.Options {
|
|
if o == "ro" {
|
|
return true
|
|
} else if strings.HasPrefix(o, "upperdir=") {
|
|
hasUpperdir = true
|
|
}
|
|
}
|
|
if mnt.Type == "overlay" {
|
|
return !hasUpperdir
|
|
}
|
|
return false
|
|
}
|