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70 lines
2.5 KiB
Go
70 lines
2.5 KiB
Go
package container
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import (
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"os"
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"testing"
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cerrdefs "github.com/containerd/errdefs"
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"github.com/docker/docker/integration/internal/container"
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containertypes "github.com/moby/moby/api/types/container"
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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 TestPIDModeHost(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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skip.If(t, testEnv.IsRemoteDaemon())
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hostPid, err := os.Readlink("/proc/1/ns/pid")
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assert.NilError(t, err)
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ctx := setupTest(t)
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apiClient := testEnv.APIClient()
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cID := container.Run(ctx, t, apiClient, container.WithPIDMode("host"))
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cPid := container.GetContainerNS(ctx, t, apiClient, cID, "pid")
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assert.Assert(t, hostPid == cPid)
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cID = container.Run(ctx, t, apiClient)
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cPid = container.GetContainerNS(ctx, t, apiClient, cID, "pid")
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assert.Assert(t, hostPid != cPid)
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}
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func TestPIDModeContainer(t *testing.T) {
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skip.If(t, testEnv.DaemonInfo.OSType != "linux")
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ctx := setupTest(t)
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apiClient := testEnv.APIClient()
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t.Run("non-existing container", func(t *testing.T) {
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_, err := container.CreateFromConfig(ctx, apiClient, container.NewTestConfig(container.WithPIDMode("container:nosuchcontainer")))
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assert.Check(t, is.ErrorType(err, cerrdefs.IsInvalidArgument))
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assert.Check(t, is.ErrorContains(err, "No such container: nosuchcontainer"))
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})
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t.Run("non-running container", func(t *testing.T) {
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const pidCtrName = "stopped-pid-namespace-container"
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cPIDContainerID := container.Create(ctx, t, apiClient, container.WithName(pidCtrName))
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ctr, err := container.CreateFromConfig(ctx, apiClient, container.NewTestConfig(container.WithPIDMode("container:"+pidCtrName)))
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assert.NilError(t, err, "should not produce an error when creating, only when starting")
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err = apiClient.ContainerStart(ctx, ctr.ID, containertypes.StartOptions{})
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assert.Check(t, is.ErrorType(err, cerrdefs.IsInternal), "should produce a System error when starting an existing container from an invalid state")
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assert.Check(t, is.ErrorContains(err, "failed to join PID namespace"))
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assert.Check(t, is.ErrorContains(err, cPIDContainerID+" is not running"))
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})
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t.Run("running container", func(t *testing.T) {
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const pidCtrName = "running-pid-namespace-container"
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container.Run(ctx, t, apiClient, container.WithName(pidCtrName))
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ctr, err := container.CreateFromConfig(ctx, apiClient, container.NewTestConfig(container.WithPIDMode("container:"+pidCtrName)))
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assert.NilError(t, err)
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err = apiClient.ContainerStart(ctx, ctr.ID, containertypes.StartOptions{})
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assert.Check(t, err)
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})
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}
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