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efa077848f
This change defines the generic `Storage` type for use in container inspect responses when using containerd snapshotter backend. Signed-off-by: Austin Vazquez <austin.vazquez@docker.com>
87 lines
3.2 KiB
Go
87 lines
3.2 KiB
Go
package daemon
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import (
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"testing"
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containertypes "github.com/moby/moby/api/types/container"
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"github.com/moby/moby/v2/internal/testutil"
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"github.com/moby/moby/v2/internal/testutil/daemon"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"gotest.tools/v3/skip"
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)
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func TestDefaultStorageDriver(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType == "windows", "Windows does not support running sub-daemons")
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t.Setenv("DOCKER_DRIVER", "")
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t.Setenv("DOCKER_GRAPHDRIVER", "")
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t.Setenv("TEST_INTEGRATION_USE_GRAPHDRIVER", "")
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_ = testutil.StartSpan(baseContext, t)
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d := daemon.New(t)
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defer d.Stop(t)
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d.Start(t, "--iptables=false", "--ip6tables=false")
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info := d.Info(t)
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assert.Check(t, is.Equal(info.DriverStatus[0][1], "io.containerd.snapshotter.v1"))
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}
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// TestGraphDriverPersistence tests that when a daemon starts with graphdrivers,
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// pulls images and creates containers, then is restarted without explicit
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// graphdriver configuration, it continues to use graphdrivers instead of
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// migrating to containerd snapshotters automatically.
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func TestGraphDriverPersistence(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType == "windows", "Windows does not support running sub-daemons")
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t.Setenv("DOCKER_DRIVER", "")
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t.Setenv("DOCKER_GRAPHDRIVER", "")
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t.Setenv("TEST_INTEGRATION_USE_GRAPHDRIVER", "")
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ctx := testutil.StartSpan(baseContext, t)
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// Phase 1: Start daemon with explicit graphdriver (overlay2)
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d := daemon.New(t)
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t.Cleanup(func() {
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d.Stop(t)
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})
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const testImage = "busybox:latest"
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d.StartWithBusybox(ctx, t, "--iptables=false", "--ip6tables=false", "--storage-driver=overlay2")
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c := d.NewClientT(t)
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// Verify we're using graphdriver
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info := d.Info(t)
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assert.Check(t, info.DriverStatus[0][1] != "io.containerd.snapshotter.v1")
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prevDriver := info.Driver
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containerResp, err := c.ContainerCreate(ctx, &containertypes.Config{
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Image: testImage,
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Cmd: []string{"echo", "test"},
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}, nil, nil, nil, "test-container")
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assert.NilError(t, err, "Failed to create container")
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containerID := containerResp.ID
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d.Stop(t)
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// Phase 2: Start daemon again WITHOUT explicit graphdriver configuration
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d.Start(t, "--iptables=false", "--ip6tables=false")
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// Verify daemon still uses graphdriver (not containerd snapshotter)
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// Verify we're using graphdriver
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info = d.Info(t)
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assert.Check(t, info.DriverStatus[0][1] != "io.containerd.snapshotter.v1")
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assert.Check(t, is.Equal(info.Driver, prevDriver))
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// Verify our image is still there
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imageInspect, err := c.ImageInspect(ctx, testImage)
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assert.NilError(t, err, "Test image should still be available after daemon restart")
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assert.Check(t, imageInspect.GraphDriver != nil, "GraphDriver should be set for graphdriver backend")
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assert.Check(t, is.Equal(imageInspect.GraphDriver.Name, prevDriver), "Image graphdriver data should match")
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// Verify our container is still there
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containerInspect, err := c.ContainerInspect(ctx, containerID)
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assert.NilError(t, err, "Test container should still exist after daemon restart")
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assert.Check(t, containerInspect.GraphDriver != nil, "GraphDriver should be set for graphdriver backend")
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assert.Check(t, is.Equal(containerInspect.GraphDriver.Name, prevDriver), "Container graphdriver data should match")
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}
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