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96 lines
2.8 KiB
Go
96 lines
2.8 KiB
Go
package daemon
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import (
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"fmt"
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"io/ioutil"
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"os"
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"testing"
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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/container"
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"github.com/docker/docker/internal/testutil"
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"github.com/stretchr/testify/require"
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)
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func newDaemonWithTmpRoot(t *testing.T) (*Daemon, func()) {
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tmp, err := ioutil.TempDir("", "docker-daemon-unix-test-")
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require.NoError(t, err)
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d := &Daemon{
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repository: tmp,
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root: tmp,
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}
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d.containers = container.NewMemoryStore()
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return d, func() { os.RemoveAll(tmp) }
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}
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func newContainerWithState(state *container.State) *container.Container {
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return &container.Container{
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ID: "test",
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State: state,
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Config: &containertypes.Config{},
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}
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}
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// TestContainerDelete tests that a useful error message and instructions is
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// given when attempting to remove a container (#30842)
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func TestContainerDelete(t *testing.T) {
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tt := []struct {
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errMsg string
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fixMsg string
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initContainer func() *container.Container
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}{
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// a paused container
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{
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errMsg: "cannot remove a paused container",
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fixMsg: "Unpause and then stop the container before attempting removal or force remove",
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initContainer: func() *container.Container {
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return newContainerWithState(&container.State{Paused: true, Running: true})
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}},
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// a restarting container
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{
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errMsg: "cannot remove a restarting container",
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fixMsg: "Stop the container before attempting removal or force remove",
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initContainer: func() *container.Container {
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c := newContainerWithState(container.NewState())
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c.SetRunning(0, true)
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c.SetRestarting(&container.ExitStatus{})
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return c
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}},
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// a running container
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{
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errMsg: "cannot remove a running container",
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fixMsg: "Stop the container before attempting removal or force remove",
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initContainer: func() *container.Container {
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return newContainerWithState(&container.State{Running: true})
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}},
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}
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for _, te := range tt {
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c := te.initContainer()
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d, cleanup := newDaemonWithTmpRoot(t)
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defer cleanup()
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d.containers.Add(c.ID, c)
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err := d.ContainerRm(c.ID, &types.ContainerRmConfig{ForceRemove: false})
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testutil.ErrorContains(t, err, te.errMsg)
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testutil.ErrorContains(t, err, te.fixMsg)
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}
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}
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func TestContainerDoubleDelete(t *testing.T) {
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c := newContainerWithState(container.NewState())
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// Mark the container as having a delete in progress
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c.SetRemovalInProgress()
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d, cleanup := newDaemonWithTmpRoot(t)
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defer cleanup()
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d.containers.Add(c.ID, c)
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// Try to remove the container when its state is removalInProgress.
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// It should return an error indicating it is under removal progress.
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err := d.ContainerRm(c.ID, &types.ContainerRmConfig{ForceRemove: true})
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testutil.ErrorContains(t, err, fmt.Sprintf("removal of container %s is already in progress", c.ID))
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}
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