214 lines
8.1 KiB
Go
214 lines
8.1 KiB
Go
package container // import "github.com/docker/docker/integration/container"
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import (
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"context"
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"testing"
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"time"
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"github.com/docker/docker/api/types"
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containertypes "github.com/docker/docker/api/types/container"
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"github.com/docker/docker/api/types/network"
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"github.com/docker/docker/api/types/versions"
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"github.com/docker/docker/integration/internal/container"
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"github.com/docker/docker/pkg/stringid"
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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/poll"
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"gotest.tools/v3/skip"
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)
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// This test simulates the scenario mentioned in #31392:
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// Having two linked container, renaming the target and bringing a replacement
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// and then deleting and recreating the source container linked to the new target.
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// This checks that "rename" updates source container correctly and doesn't set it to null.
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func TestRenameLinkedContainer(t *testing.T) {
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skip.If(t, versions.LessThan(testEnv.DaemonAPIVersion(), "1.32"), "broken in earlier versions")
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skip.If(t, testEnv.OSType == "windows", "FIXME")
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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aName := "a0" + t.Name()
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bName := "b0" + t.Name()
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aID := container.Run(ctx, t, client, container.WithName(aName))
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bID := container.Run(ctx, t, client, container.WithName(bName), container.WithLinks(aName))
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err := client.ContainerRename(ctx, aID, "a1"+t.Name())
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assert.NilError(t, err)
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container.Run(ctx, t, client, container.WithName(aName))
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err = client.ContainerRemove(ctx, bID, types.ContainerRemoveOptions{Force: true})
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assert.NilError(t, err)
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bID = container.Run(ctx, t, client, container.WithName(bName), container.WithLinks(aName))
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inspect, err := client.ContainerInspect(ctx, bID)
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assert.NilError(t, err)
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assert.Check(t, is.DeepEqual([]string{"/" + aName + ":/" + bName + "/" + aName}, inspect.HostConfig.Links))
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}
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func TestRenameStoppedContainer(t *testing.T) {
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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oldName := "first_name" + t.Name()
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cID := container.Run(ctx, t, client, container.WithName(oldName), container.WithCmd("sh"))
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "exited"), poll.WithDelay(100*time.Millisecond))
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inspect, err := client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal("/"+oldName, inspect.Name))
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newName := "new_name" + stringid.GenerateRandomID()
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err = client.ContainerRename(ctx, oldName, newName)
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assert.NilError(t, err)
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inspect, err = client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal("/"+newName, inspect.Name))
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}
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func TestRenameRunningContainerAndReuse(t *testing.T) {
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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oldName := "first_name" + t.Name()
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cID := container.Run(ctx, t, client, container.WithName(oldName))
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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newName := "new_name" + stringid.GenerateRandomID()
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err := client.ContainerRename(ctx, oldName, newName)
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assert.NilError(t, err)
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inspect, err := client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal("/"+newName, inspect.Name))
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_, err = client.ContainerInspect(ctx, oldName)
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assert.Check(t, is.ErrorContains(err, "No such container: "+oldName))
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cID = container.Run(ctx, t, client, container.WithName(oldName))
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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inspect, err = client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal("/"+oldName, inspect.Name))
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}
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func TestRenameInvalidName(t *testing.T) {
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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oldName := "first_name" + t.Name()
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cID := container.Run(ctx, t, client, container.WithName(oldName))
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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err := client.ContainerRename(ctx, oldName, "new:invalid")
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assert.Check(t, is.ErrorContains(err, "Invalid container name"))
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inspect, err := client.ContainerInspect(ctx, oldName)
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assert.NilError(t, err)
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assert.Check(t, is.Equal(cID, inspect.ID))
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}
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// Test case for GitHub issue 22466
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// Docker's service discovery works for named containers so
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// ping to a named container should work, and an anonymous
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// container without a name does not work with service discovery.
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// However, an anonymous could be renamed to a named container.
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// This test is to make sure once the container has been renamed,
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// the service discovery for the (re)named container works.
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func TestRenameAnonymousContainer(t *testing.T) {
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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networkName := "network1" + t.Name()
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_, err := client.NetworkCreate(ctx, networkName, types.NetworkCreate{})
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assert.NilError(t, err)
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cID := container.Run(ctx, t, client, func(c *container.TestContainerConfig) {
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c.NetworkingConfig.EndpointsConfig = map[string]*network.EndpointSettings{
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networkName: {},
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}
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c.HostConfig.NetworkMode = containertypes.NetworkMode(networkName)
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})
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container1Name := "container1" + t.Name()
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err = client.ContainerRename(ctx, cID, container1Name)
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assert.NilError(t, err)
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// Stop/Start the container to get registered
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// FIXME(vdemeester) this is a really weird behavior as it fails otherwise
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err = client.ContainerStop(ctx, container1Name, containertypes.StopOptions{})
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assert.NilError(t, err)
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err = client.ContainerStart(ctx, container1Name, types.ContainerStartOptions{})
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assert.NilError(t, err)
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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count := "-c"
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if testEnv.OSType == "windows" {
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count = "-n"
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}
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cID = container.Run(ctx, t, client, func(c *container.TestContainerConfig) {
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c.NetworkingConfig.EndpointsConfig = map[string]*network.EndpointSettings{
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networkName: {},
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}
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c.HostConfig.NetworkMode = containertypes.NetworkMode(networkName)
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}, container.WithCmd("ping", count, "1", container1Name))
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "exited"), poll.WithDelay(100*time.Millisecond))
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inspect, err := client.ContainerInspect(ctx, cID)
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assert.NilError(t, err)
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assert.Check(t, is.Equal(0, inspect.State.ExitCode), "container %s exited with the wrong exitcode: %s", cID, inspect.State.Error)
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}
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// TODO: should be a unit test
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func TestRenameContainerWithSameName(t *testing.T) {
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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oldName := "old" + t.Name()
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cID := container.Run(ctx, t, client, container.WithName(oldName))
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poll.WaitOn(t, container.IsInState(ctx, client, cID, "running"), poll.WithDelay(100*time.Millisecond))
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err := client.ContainerRename(ctx, oldName, oldName)
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assert.Check(t, is.ErrorContains(err, "Renaming a container with the same name"))
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err = client.ContainerRename(ctx, cID, oldName)
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assert.Check(t, is.ErrorContains(err, "Renaming a container with the same name"))
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}
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// Test case for GitHub issue 23973
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// When a container is being renamed, the container might
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// be linked to another container. In that case, the meta data
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// of the linked container should be updated so that the other
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// container could still reference to the container that is renamed.
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func TestRenameContainerWithLinkedContainer(t *testing.T) {
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skip.If(t, testEnv.IsRemoteDaemon)
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skip.If(t, testEnv.OSType == "windows", "FIXME")
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defer setupTest(t)()
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ctx := context.Background()
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client := testEnv.APIClient()
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db1Name := "db1" + t.Name()
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db1ID := container.Run(ctx, t, client, container.WithName(db1Name))
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poll.WaitOn(t, container.IsInState(ctx, client, db1ID, "running"), poll.WithDelay(100*time.Millisecond))
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app1Name := "app1" + t.Name()
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app2Name := "app2" + t.Name()
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app1ID := container.Run(ctx, t, client, container.WithName(app1Name), container.WithLinks(db1Name+":/mysql"))
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poll.WaitOn(t, container.IsInState(ctx, client, app1ID, "running"), poll.WithDelay(100*time.Millisecond))
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err := client.ContainerRename(ctx, app1Name, app2Name)
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assert.NilError(t, err)
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inspect, err := client.ContainerInspect(ctx, app2Name+"/mysql")
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assert.NilError(t, err)
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assert.Check(t, is.Equal(db1ID, inspect.ID))
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}
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