github.com/demonoid81/containerd@v1.3.4/lease_test.go (about) 1 /* 2 Copyright The containerd Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package containerd 18 19 import ( 20 "runtime" 21 "testing" 22 23 "github.com/containerd/containerd/errdefs" 24 "github.com/containerd/containerd/images" 25 "github.com/containerd/containerd/leases" 26 "github.com/opencontainers/image-spec/identity" 27 "github.com/pkg/errors" 28 ) 29 30 func TestLeaseResources(t *testing.T) { 31 if runtime.GOOS == "windows" { 32 t.Skip() 33 } 34 35 ctx, cancel := testContext(t) 36 defer cancel() 37 38 client, err := newClient(t, address) 39 if err != nil { 40 t.Fatal(err) 41 } 42 defer client.Close() 43 44 var ( 45 ls = client.LeasesService() 46 cs = client.ContentStore() 47 imgSrv = client.ImageService() 48 sn = client.SnapshotService("native") 49 ) 50 51 l, err := ls.Create(ctx, leases.WithRandomID()) 52 if err != nil { 53 t.Fatal(err) 54 } 55 defer ls.Delete(ctx, l, leases.SynchronousDelete) 56 57 // step 1: download image 58 imageName := "docker.io/library/busybox:1.25" 59 60 image, err := client.Pull(ctx, imageName, WithPullUnpack, WithPullSnapshotter("native")) 61 if err != nil { 62 t.Fatal(err) 63 } 64 defer imgSrv.Delete(ctx, imageName) 65 66 // both the config and snapshotter should exist 67 cfgDesc, err := image.Config(ctx) 68 if err != nil { 69 t.Fatal(err) 70 } 71 72 if _, err := cs.Info(ctx, cfgDesc.Digest); err != nil { 73 t.Fatal(err) 74 } 75 76 dgsts, err := image.RootFS(ctx) 77 if err != nil { 78 t.Fatal(err) 79 } 80 chainID := identity.ChainID(dgsts) 81 82 if _, err := sn.Stat(ctx, chainID.String()); err != nil { 83 t.Fatal(err) 84 } 85 86 // step 2: reference snapshotter with lease 87 r := leases.Resource{ 88 ID: chainID.String(), 89 Type: "snapshots/native", 90 } 91 92 if err := ls.AddResource(ctx, l, r); err != nil { 93 t.Fatal(err) 94 } 95 96 list, err := ls.ListResources(ctx, l) 97 if err != nil { 98 t.Fatal(err) 99 } 100 101 if len(list) != 1 || list[0] != r { 102 t.Fatalf("expected (%v), but got (%v)", []leases.Resource{r}, list) 103 } 104 105 // step 3: remove image and check the status of snapshotter and content 106 if err := imgSrv.Delete(ctx, imageName, images.SynchronousDelete()); err != nil { 107 t.Fatal(err) 108 } 109 110 // config should be removed but the snapshotter should exist 111 if _, err := cs.Info(ctx, cfgDesc.Digest); errors.Cause(err) != errdefs.ErrNotFound { 112 t.Fatalf("expected error(%v), but got(%v)", errdefs.ErrNotFound, err) 113 } 114 115 if _, err := sn.Stat(ctx, chainID.String()); err != nil { 116 t.Fatal(err) 117 } 118 119 // step 4: remove resource from the lease and check the list API 120 if err := ls.DeleteResource(ctx, l, r); err != nil { 121 t.Fatal(err) 122 } 123 124 list, err = ls.ListResources(ctx, l) 125 if err != nil { 126 t.Fatal(err) 127 } 128 129 if len(list) != 0 { 130 t.Fatalf("expected nothing, but got (%v)", list) 131 } 132 133 // step 5: remove the lease to check the status of snapshotter 134 if err := ls.Delete(ctx, l, leases.SynchronousDelete); err != nil { 135 t.Fatal(err) 136 } 137 138 if _, err := sn.Stat(ctx, chainID.String()); errors.Cause(err) != errdefs.ErrNotFound { 139 t.Fatalf("expected error(%v), but got(%v)", errdefs.ErrNotFound, err) 140 } 141 }