79 lines
2.4 KiB
Go
79 lines
2.4 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package devmapper
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import (
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"context"
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_ "crypto/sha256"
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"fmt"
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"testing"
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"time"
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"github.com/containerd/containerd/pkg/testutil"
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"github.com/containerd/containerd/snapshots"
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"github.com/containerd/containerd/snapshots/devmapper/dmsetup"
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"github.com/containerd/containerd/snapshots/devmapper/losetup"
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"github.com/containerd/containerd/snapshots/testsuite"
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"github.com/sirupsen/logrus"
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"gotest.tools/assert"
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)
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func TestSnapshotterSuite(t *testing.T) {
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testutil.RequiresRoot(t)
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logrus.SetLevel(logrus.DebugLevel)
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testsuite.SnapshotterSuite(t, "devmapper", func(ctx context.Context, root string) (snapshots.Snapshotter, func() error, error) {
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// Create loopback devices for each test case
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_, loopDataDevice := createLoopbackDevice(t, root)
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_, loopMetaDevice := createLoopbackDevice(t, root)
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poolName := fmt.Sprintf("containerd-snapshotter-suite-pool-%d", time.Now().Nanosecond())
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err := dmsetup.CreatePool(poolName, loopDataDevice, loopMetaDevice, 64*1024/dmsetup.SectorSize)
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assert.NilError(t, err, "failed to create pool %q", poolName)
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config := &Config{
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RootPath: root,
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PoolName: poolName,
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BaseImageSize: "16Mb",
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}
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snap, err := NewSnapshotter(context.Background(), config)
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if err != nil {
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return nil, nil, err
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}
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// Remove device mapper pool after test completes
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removePool := func() error {
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return snap.pool.RemovePool(ctx)
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}
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// Pool cleanup should be called before closing metadata store (as we need to retrieve device names)
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snap.cleanupFn = append([]closeFunc{removePool}, snap.cleanupFn...)
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return snap, func() error {
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err := snap.Close()
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assert.NilError(t, err, "failed to close snapshotter")
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err = losetup.DetachLoopDevice(loopDataDevice, loopMetaDevice)
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assert.NilError(t, err, "failed to detach loop devices")
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return err
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}, nil
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})
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}
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