mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
378 lines
9 KiB
Go
378 lines
9 KiB
Go
package build // import "github.com/docker/docker/integration/build"
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import (
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"archive/tar"
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"bytes"
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"context"
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"encoding/json"
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"io"
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"io/ioutil"
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"strings"
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"testing"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/docker/integration-cli/cli/build/fakecontext"
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"github.com/docker/docker/integration/internal/request"
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"github.com/docker/docker/pkg/jsonmessage"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestBuildWithRemoveAndForceRemove(t *testing.T) {
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defer setupTest(t)()
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t.Parallel()
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cases := []struct {
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name string
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dockerfile string
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numberOfIntermediateContainers int
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rm bool
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forceRm bool
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}{
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{
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name: "successful build with no removal",
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dockerfile: `FROM busybox
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RUN exit 0
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RUN exit 0`,
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numberOfIntermediateContainers: 2,
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rm: false,
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forceRm: false,
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},
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{
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name: "successful build with remove",
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dockerfile: `FROM busybox
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RUN exit 0
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RUN exit 0`,
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numberOfIntermediateContainers: 0,
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rm: true,
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forceRm: false,
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},
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{
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name: "successful build with remove and force remove",
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dockerfile: `FROM busybox
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RUN exit 0
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RUN exit 0`,
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numberOfIntermediateContainers: 0,
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rm: true,
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forceRm: true,
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},
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{
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name: "failed build with no removal",
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dockerfile: `FROM busybox
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RUN exit 0
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RUN exit 1`,
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numberOfIntermediateContainers: 2,
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rm: false,
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forceRm: false,
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},
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{
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name: "failed build with remove",
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dockerfile: `FROM busybox
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RUN exit 0
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RUN exit 1`,
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numberOfIntermediateContainers: 1,
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rm: true,
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forceRm: false,
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},
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{
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name: "failed build with remove and force remove",
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dockerfile: `FROM busybox
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RUN exit 0
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RUN exit 1`,
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numberOfIntermediateContainers: 0,
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rm: true,
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forceRm: true,
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},
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}
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client := request.NewAPIClient(t)
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ctx := context.Background()
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for _, c := range cases {
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t.Run(c.name, func(t *testing.T) {
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t.Parallel()
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dockerfile := []byte(c.dockerfile)
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buff := bytes.NewBuffer(nil)
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tw := tar.NewWriter(buff)
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require.NoError(t, tw.WriteHeader(&tar.Header{
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Name: "Dockerfile",
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Size: int64(len(dockerfile)),
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}))
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_, err := tw.Write(dockerfile)
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require.NoError(t, err)
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require.NoError(t, tw.Close())
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resp, err := client.ImageBuild(ctx, buff, types.ImageBuildOptions{Remove: c.rm, ForceRemove: c.forceRm, NoCache: true})
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require.NoError(t, err)
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defer resp.Body.Close()
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filter, err := buildContainerIdsFilter(resp.Body)
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require.NoError(t, err)
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remainingContainers, err := client.ContainerList(ctx, types.ContainerListOptions{Filters: filter, All: true})
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require.NoError(t, err)
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require.Equal(t, c.numberOfIntermediateContainers, len(remainingContainers), "Expected %v remaining intermediate containers, got %v", c.numberOfIntermediateContainers, len(remainingContainers))
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})
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}
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}
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func buildContainerIdsFilter(buildOutput io.Reader) (filters.Args, error) {
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const intermediateContainerPrefix = " ---> Running in "
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filter := filters.NewArgs()
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dec := json.NewDecoder(buildOutput)
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for {
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m := jsonmessage.JSONMessage{}
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err := dec.Decode(&m)
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if err == io.EOF {
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return filter, nil
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}
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if err != nil {
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return filter, err
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}
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if ix := strings.Index(m.Stream, intermediateContainerPrefix); ix != -1 {
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filter.Add("id", strings.TrimSpace(m.Stream[ix+len(intermediateContainerPrefix):]))
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}
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}
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}
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func TestBuildMultiStageParentConfig(t *testing.T) {
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dockerfile := `
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FROM busybox AS stage0
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ENV WHO=parent
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WORKDIR /foo
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FROM stage0
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ENV WHO=sibling1
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WORKDIR sub1
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FROM stage0
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WORKDIR sub2
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`
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ctx := context.Background()
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source := fakecontext.New(t, "", fakecontext.WithDockerfile(dockerfile))
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defer source.Close()
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apiclient := testEnv.APIClient()
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resp, err := apiclient.ImageBuild(ctx,
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source.AsTarReader(t),
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types.ImageBuildOptions{
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Remove: true,
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ForceRemove: true,
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Tags: []string{"build1"},
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})
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require.NoError(t, err)
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_, err = io.Copy(ioutil.Discard, resp.Body)
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resp.Body.Close()
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require.NoError(t, err)
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image, _, err := apiclient.ImageInspectWithRaw(ctx, "build1")
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require.NoError(t, err)
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assert.Equal(t, "/foo/sub2", image.Config.WorkingDir)
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assert.Contains(t, image.Config.Env, "WHO=parent")
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}
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func TestBuildWithEmptyLayers(t *testing.T) {
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dockerfile := `
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FROM busybox
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COPY 1/ /target/
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COPY 2/ /target/
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COPY 3/ /target/
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`
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ctx := context.Background()
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source := fakecontext.New(t, "",
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fakecontext.WithDockerfile(dockerfile),
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fakecontext.WithFile("1/a", "asdf"),
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fakecontext.WithFile("2/a", "asdf"),
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fakecontext.WithFile("3/a", "asdf"))
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defer source.Close()
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apiclient := testEnv.APIClient()
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resp, err := apiclient.ImageBuild(ctx,
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source.AsTarReader(t),
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types.ImageBuildOptions{
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Remove: true,
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ForceRemove: true,
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})
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require.NoError(t, err)
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_, err = io.Copy(ioutil.Discard, resp.Body)
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resp.Body.Close()
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require.NoError(t, err)
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}
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// TestBuildMultiStageOnBuild checks that ONBUILD commands are applied to
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// multiple subsequent stages
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// #35652
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func TestBuildMultiStageOnBuild(t *testing.T) {
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defer setupTest(t)()
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// test both metadata and layer based commands as they may be implemented differently
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dockerfile := `FROM busybox AS stage1
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ONBUILD RUN echo 'foo' >somefile
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ONBUILD ENV bar=baz
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FROM stage1
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RUN cat somefile # fails if ONBUILD RUN fails
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FROM stage1
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RUN cat somefile`
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ctx := context.Background()
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source := fakecontext.New(t, "",
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fakecontext.WithDockerfile(dockerfile))
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defer source.Close()
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apiclient := testEnv.APIClient()
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resp, err := apiclient.ImageBuild(ctx,
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source.AsTarReader(t),
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types.ImageBuildOptions{
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Remove: true,
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ForceRemove: true,
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})
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out := bytes.NewBuffer(nil)
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require.NoError(t, err)
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_, err = io.Copy(out, resp.Body)
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resp.Body.Close()
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require.NoError(t, err)
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assert.Contains(t, out.String(), "Successfully built")
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imageIDs, err := getImageIDsFromBuild(out.Bytes())
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require.NoError(t, err)
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assert.Equal(t, 3, len(imageIDs))
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image, _, err := apiclient.ImageInspectWithRaw(context.Background(), imageIDs[2])
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require.NoError(t, err)
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assert.Contains(t, image.Config.Env, "bar=baz")
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}
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// #35403 #36122
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func TestBuildUncleanTarFilenames(t *testing.T) {
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ctx := context.TODO()
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defer setupTest(t)()
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dockerfile := `FROM scratch
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COPY foo /
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FROM scratch
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COPY bar /`
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buf := bytes.NewBuffer(nil)
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w := tar.NewWriter(buf)
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writeTarRecord(t, w, "Dockerfile", dockerfile)
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writeTarRecord(t, w, "../foo", "foocontents0")
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writeTarRecord(t, w, "/bar", "barcontents0")
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err := w.Close()
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require.NoError(t, err)
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apiclient := testEnv.APIClient()
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resp, err := apiclient.ImageBuild(ctx,
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buf,
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types.ImageBuildOptions{
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Remove: true,
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ForceRemove: true,
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})
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out := bytes.NewBuffer(nil)
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require.NoError(t, err)
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_, err = io.Copy(out, resp.Body)
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resp.Body.Close()
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require.NoError(t, err)
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// repeat with changed data should not cause cache hits
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buf = bytes.NewBuffer(nil)
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w = tar.NewWriter(buf)
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writeTarRecord(t, w, "Dockerfile", dockerfile)
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writeTarRecord(t, w, "../foo", "foocontents1")
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writeTarRecord(t, w, "/bar", "barcontents1")
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err = w.Close()
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require.NoError(t, err)
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resp, err = apiclient.ImageBuild(ctx,
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buf,
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types.ImageBuildOptions{
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Remove: true,
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ForceRemove: true,
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})
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out = bytes.NewBuffer(nil)
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require.NoError(t, err)
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_, err = io.Copy(out, resp.Body)
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resp.Body.Close()
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require.NoError(t, err)
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require.NotContains(t, out.String(), "Using cache")
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}
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// docker/for-linux#135
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// #35641
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func TestBuildMultiStageLayerLeak(t *testing.T) {
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ctx := context.TODO()
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defer setupTest(t)()
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// all commands need to match until COPY
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dockerfile := `FROM busybox
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WORKDIR /foo
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COPY foo .
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FROM busybox
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WORKDIR /foo
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COPY bar .
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RUN [ -f bar ]
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RUN [ ! -f foo ]
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`
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source := fakecontext.New(t, "",
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fakecontext.WithFile("foo", "0"),
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fakecontext.WithFile("bar", "1"),
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fakecontext.WithDockerfile(dockerfile))
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defer source.Close()
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apiclient := testEnv.APIClient()
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resp, err := apiclient.ImageBuild(ctx,
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source.AsTarReader(t),
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types.ImageBuildOptions{
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Remove: true,
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ForceRemove: true,
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})
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out := bytes.NewBuffer(nil)
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require.NoError(t, err)
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_, err = io.Copy(out, resp.Body)
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resp.Body.Close()
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require.NoError(t, err)
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assert.Contains(t, out.String(), "Successfully built")
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}
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func writeTarRecord(t *testing.T, w *tar.Writer, fn, contents string) {
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err := w.WriteHeader(&tar.Header{
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Name: fn,
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Mode: 0600,
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Size: int64(len(contents)),
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Typeflag: '0',
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})
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require.NoError(t, err)
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_, err = w.Write([]byte(contents))
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require.NoError(t, err)
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}
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type buildLine struct {
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Stream string
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Aux struct {
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ID string
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}
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}
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func getImageIDsFromBuild(output []byte) ([]string, error) {
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ids := []string{}
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for _, line := range bytes.Split(output, []byte("\n")) {
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if len(line) == 0 {
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continue
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}
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entry := buildLine{}
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if err := json.Unmarshal(line, &entry); err != nil {
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return nil, err
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}
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if entry.Aux.ID != "" {
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ids = append(ids, entry.Aux.ID)
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}
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}
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return ids, nil
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}
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