535 lines
14 KiB
Go
535 lines
14 KiB
Go
package main
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import (
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"archive/tar"
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"bytes"
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"encoding/json"
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"fmt"
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"io"
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"io/ioutil"
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"net/http"
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"regexp"
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"strings"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/client/session"
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"github.com/docker/docker/client/session/filesync"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/integration-cli/cli/build/fakecontext"
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"github.com/docker/docker/integration-cli/cli/build/fakegit"
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"github.com/docker/docker/integration-cli/cli/build/fakestorage"
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"github.com/docker/docker/integration-cli/request"
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"github.com/docker/docker/pkg/testutil"
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"github.com/go-check/check"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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"golang.org/x/net/context"
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"golang.org/x/sync/errgroup"
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)
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func (s *DockerSuite) TestBuildAPIDockerFileRemote(c *check.C) {
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testRequires(c, NotUserNamespace)
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var testD string
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if testEnv.DaemonPlatform() == "windows" {
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testD = `FROM busybox
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RUN find / -name ba*
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RUN find /tmp/`
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} else {
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// -xdev is required because sysfs can cause EPERM
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testD = `FROM busybox
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RUN find / -xdev -name ba*
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RUN find /tmp/`
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}
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server := fakestorage.New(c, "", fakecontext.WithFiles(map[string]string{"testD": testD}))
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defer server.Close()
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res, body, err := request.Post("/build?dockerfile=baz&remote="+server.URL()+"/testD", request.JSON)
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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buf, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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// Make sure Dockerfile exists.
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// Make sure 'baz' doesn't exist ANYWHERE despite being mentioned in the URL
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out := string(buf)
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c.Assert(out, checker.Contains, "RUN find /tmp")
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c.Assert(out, checker.Not(checker.Contains), "baz")
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}
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func (s *DockerSuite) TestBuildAPIRemoteTarballContext(c *check.C) {
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buffer := new(bytes.Buffer)
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tw := tar.NewWriter(buffer)
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defer tw.Close()
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dockerfile := []byte("FROM busybox")
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err := 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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// failed to write tar file header
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c.Assert(err, checker.IsNil)
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_, err = tw.Write(dockerfile)
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// failed to write tar file content
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c.Assert(err, checker.IsNil)
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// failed to close tar archive
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c.Assert(tw.Close(), checker.IsNil)
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server := fakestorage.New(c, "", fakecontext.WithBinaryFiles(map[string]*bytes.Buffer{
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"testT.tar": buffer,
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}))
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defer server.Close()
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res, b, err := request.Post("/build?remote="+server.URL()+"/testT.tar", request.ContentType("application/tar"))
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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b.Close()
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}
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func (s *DockerSuite) TestBuildAPIRemoteTarballContextWithCustomDockerfile(c *check.C) {
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buffer := new(bytes.Buffer)
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tw := tar.NewWriter(buffer)
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defer tw.Close()
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dockerfile := []byte(`FROM busybox
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RUN echo 'wrong'`)
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err := 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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// failed to write tar file header
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c.Assert(err, checker.IsNil)
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_, err = tw.Write(dockerfile)
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// failed to write tar file content
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c.Assert(err, checker.IsNil)
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custom := []byte(`FROM busybox
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RUN echo 'right'
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`)
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err = tw.WriteHeader(&tar.Header{
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Name: "custom",
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Size: int64(len(custom)),
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})
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// failed to write tar file header
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c.Assert(err, checker.IsNil)
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_, err = tw.Write(custom)
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// failed to write tar file content
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c.Assert(err, checker.IsNil)
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// failed to close tar archive
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c.Assert(tw.Close(), checker.IsNil)
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server := fakestorage.New(c, "", fakecontext.WithBinaryFiles(map[string]*bytes.Buffer{
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"testT.tar": buffer,
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}))
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defer server.Close()
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url := "/build?dockerfile=custom&remote=" + server.URL() + "/testT.tar"
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res, body, err := request.Post(url, request.ContentType("application/tar"))
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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defer body.Close()
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content, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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// Build used the wrong dockerfile.
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c.Assert(string(content), checker.Not(checker.Contains), "wrong")
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}
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func (s *DockerSuite) TestBuildAPILowerDockerfile(c *check.C) {
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git := fakegit.New(c, "repo", map[string]string{
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"dockerfile": `FROM busybox
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RUN echo from dockerfile`,
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}, false)
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defer git.Close()
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res, body, err := request.Post("/build?remote="+git.RepoURL, request.JSON)
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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buf, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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out := string(buf)
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c.Assert(out, checker.Contains, "from dockerfile")
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}
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func (s *DockerSuite) TestBuildAPIBuildGitWithF(c *check.C) {
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git := fakegit.New(c, "repo", map[string]string{
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"baz": `FROM busybox
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RUN echo from baz`,
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"Dockerfile": `FROM busybox
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RUN echo from Dockerfile`,
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}, false)
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defer git.Close()
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// Make sure it tries to 'dockerfile' query param value
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res, body, err := request.Post("/build?dockerfile=baz&remote="+git.RepoURL, request.JSON)
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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buf, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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out := string(buf)
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c.Assert(out, checker.Contains, "from baz")
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}
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func (s *DockerSuite) TestBuildAPIDoubleDockerfile(c *check.C) {
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testRequires(c, UnixCli) // dockerfile overwrites Dockerfile on Windows
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git := fakegit.New(c, "repo", map[string]string{
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"Dockerfile": `FROM busybox
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RUN echo from Dockerfile`,
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"dockerfile": `FROM busybox
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RUN echo from dockerfile`,
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}, false)
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defer git.Close()
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// Make sure it tries to 'dockerfile' query param value
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res, body, err := request.Post("/build?remote="+git.RepoURL, request.JSON)
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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buf, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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out := string(buf)
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c.Assert(out, checker.Contains, "from Dockerfile")
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}
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func (s *DockerSuite) TestBuildAPIUnnormalizedTarPaths(c *check.C) {
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// Make sure that build context tars with entries of the form
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// x/./y don't cause caching false positives.
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buildFromTarContext := func(fileContents []byte) string {
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buffer := new(bytes.Buffer)
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tw := tar.NewWriter(buffer)
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defer tw.Close()
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dockerfile := []byte(`FROM busybox
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COPY dir /dir/`)
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err := 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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//failed to write tar file header
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c.Assert(err, checker.IsNil)
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_, err = tw.Write(dockerfile)
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// failed to write Dockerfile in tar file content
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c.Assert(err, checker.IsNil)
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err = tw.WriteHeader(&tar.Header{
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Name: "dir/./file",
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Size: int64(len(fileContents)),
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})
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//failed to write tar file header
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c.Assert(err, checker.IsNil)
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_, err = tw.Write(fileContents)
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// failed to write file contents in tar file content
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c.Assert(err, checker.IsNil)
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// failed to close tar archive
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c.Assert(tw.Close(), checker.IsNil)
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res, body, err := request.Post("/build", request.RawContent(ioutil.NopCloser(buffer)), request.ContentType("application/x-tar"))
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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out, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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lines := strings.Split(string(out), "\n")
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c.Assert(len(lines), checker.GreaterThan, 1)
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c.Assert(lines[len(lines)-2], checker.Matches, ".*Successfully built [0-9a-f]{12}.*")
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re := regexp.MustCompile("Successfully built ([0-9a-f]{12})")
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matches := re.FindStringSubmatch(lines[len(lines)-2])
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return matches[1]
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}
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imageA := buildFromTarContext([]byte("abc"))
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imageB := buildFromTarContext([]byte("def"))
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c.Assert(imageA, checker.Not(checker.Equals), imageB)
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}
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func (s *DockerSuite) TestBuildOnBuildWithCopy(c *check.C) {
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dockerfile := `
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FROM ` + minimalBaseImage() + ` as onbuildbase
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ONBUILD COPY file /file
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FROM onbuildbase
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`
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ctx := fakecontext.New(c, "",
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fakecontext.WithDockerfile(dockerfile),
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fakecontext.WithFile("file", "some content"),
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)
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defer ctx.Close()
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res, body, err := request.Post(
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"/build",
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request.RawContent(ctx.AsTarReader(c)),
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request.ContentType("application/x-tar"))
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusOK)
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out, err := testutil.ReadBody(body)
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c.Assert(err, checker.IsNil)
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c.Assert(string(out), checker.Contains, "Successfully built")
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}
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func (s *DockerSuite) TestBuildOnBuildCache(c *check.C) {
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build := func(dockerfile string) []byte {
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ctx := fakecontext.New(c, "",
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fakecontext.WithDockerfile(dockerfile),
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)
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defer ctx.Close()
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res, body, err := request.Post(
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"/build",
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request.RawContent(ctx.AsTarReader(c)),
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request.ContentType("application/x-tar"))
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require.NoError(c, err)
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assert.Equal(c, http.StatusOK, res.StatusCode)
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out, err := testutil.ReadBody(body)
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require.NoError(c, err)
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assert.Contains(c, string(out), "Successfully built")
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return out
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}
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dockerfile := `
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FROM ` + minimalBaseImage() + ` as onbuildbase
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ENV something=bar
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ONBUILD ENV foo=bar
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`
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build(dockerfile)
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dockerfile += "FROM onbuildbase"
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out := build(dockerfile)
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imageIDs := getImageIDsFromBuild(c, out)
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assert.Len(c, imageIDs, 2)
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parentID, childID := imageIDs[0], imageIDs[1]
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client, err := request.NewClient()
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require.NoError(c, err)
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// check parentID is correct
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image, _, err := client.ImageInspectWithRaw(context.Background(), childID)
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require.NoError(c, err)
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assert.Equal(c, parentID, image.Parent)
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}
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func (s *DockerRegistrySuite) TestBuildCopyFromForcePull(c *check.C) {
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client, err := request.NewClient()
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require.NoError(c, err)
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repoName := fmt.Sprintf("%v/dockercli/busybox", privateRegistryURL)
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// tag the image to upload it to the private registry
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err = client.ImageTag(context.TODO(), "busybox", repoName)
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assert.Nil(c, err)
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// push the image to the registry
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rc, err := client.ImagePush(context.TODO(), repoName, types.ImagePushOptions{RegistryAuth: "{}"})
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assert.Nil(c, err)
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_, err = io.Copy(ioutil.Discard, rc)
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assert.Nil(c, err)
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dockerfile := fmt.Sprintf(`
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FROM %s AS foo
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RUN touch abc
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FROM %s
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COPY --from=foo /abc /
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`, repoName, repoName)
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ctx := fakecontext.New(c, "",
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fakecontext.WithDockerfile(dockerfile),
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)
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defer ctx.Close()
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res, body, err := request.Post(
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"/build?pull=1",
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request.RawContent(ctx.AsTarReader(c)),
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request.ContentType("application/x-tar"))
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require.NoError(c, err)
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assert.Equal(c, http.StatusOK, res.StatusCode)
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out, err := testutil.ReadBody(body)
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require.NoError(c, err)
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assert.Contains(c, string(out), "Successfully built")
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}
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func (s *DockerSuite) TestBuildAddRemoteNoDecompress(c *check.C) {
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buffer := new(bytes.Buffer)
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tw := tar.NewWriter(buffer)
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dt := []byte("contents")
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err := tw.WriteHeader(&tar.Header{
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Name: "foo",
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Size: int64(len(dt)),
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Mode: 0600,
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Typeflag: tar.TypeReg,
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})
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require.NoError(c, err)
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_, err = tw.Write(dt)
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require.NoError(c, err)
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err = tw.Close()
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require.NoError(c, err)
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server := fakestorage.New(c, "", fakecontext.WithBinaryFiles(map[string]*bytes.Buffer{
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"test.tar": buffer,
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}))
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defer server.Close()
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dockerfile := fmt.Sprintf(`
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FROM busybox
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ADD %s/test.tar /
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RUN [ -f test.tar ]
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`, server.URL())
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ctx := fakecontext.New(c, "",
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fakecontext.WithDockerfile(dockerfile),
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)
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defer ctx.Close()
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res, body, err := request.Post(
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"/build",
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request.RawContent(ctx.AsTarReader(c)),
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request.ContentType("application/x-tar"))
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require.NoError(c, err)
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assert.Equal(c, http.StatusOK, res.StatusCode)
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out, err := testutil.ReadBody(body)
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require.NoError(c, err)
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assert.Contains(c, string(out), "Successfully built")
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}
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func (s *DockerSuite) TestBuildWithSession(c *check.C) {
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testRequires(c, ExperimentalDaemon)
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dockerfile := `
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FROM busybox
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COPY file /
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RUN cat /file
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`
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fctx := fakecontext.New(c, "",
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fakecontext.WithFile("file", "some content"),
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)
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defer fctx.Close()
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out := testBuildWithSession(c, fctx.Dir, dockerfile)
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assert.Contains(c, out, "some content")
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fctx.Add("second", "contentcontent")
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dockerfile += `
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COPY second /
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RUN cat /second
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`
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out = testBuildWithSession(c, fctx.Dir, dockerfile)
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assert.Equal(c, strings.Count(out, "Using cache"), 2)
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assert.Contains(c, out, "contentcontent")
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client, err := request.NewClient()
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require.NoError(c, err)
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du, err := client.DiskUsage(context.TODO())
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assert.Nil(c, err)
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assert.True(c, du.BuilderSize > 10)
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out = testBuildWithSession(c, fctx.Dir, dockerfile)
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assert.Equal(c, strings.Count(out, "Using cache"), 4)
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du2, err := client.DiskUsage(context.TODO())
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assert.Nil(c, err)
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assert.Equal(c, du.BuilderSize, du2.BuilderSize)
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// rebuild with regular tar, confirm cache still applies
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fctx.Add("Dockerfile", dockerfile)
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res, body, err := request.Post(
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"/build",
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request.RawContent(fctx.AsTarReader(c)),
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request.ContentType("application/x-tar"))
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require.NoError(c, err)
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assert.Equal(c, http.StatusOK, res.StatusCode)
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outBytes, err := testutil.ReadBody(body)
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require.NoError(c, err)
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assert.Contains(c, string(outBytes), "Successfully built")
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assert.Equal(c, strings.Count(string(outBytes), "Using cache"), 4)
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_, err = client.BuildCachePrune(context.TODO())
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assert.Nil(c, err)
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du, err = client.DiskUsage(context.TODO())
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assert.Nil(c, err)
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assert.Equal(c, du.BuilderSize, int64(0))
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}
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func testBuildWithSession(c *check.C, dir, dockerfile string) (outStr string) {
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client, err := request.NewClient()
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require.NoError(c, err)
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sess, err := session.NewSession("foo1", "foo")
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assert.Nil(c, err)
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fsProvider := filesync.NewFSSyncProvider(dir, nil)
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sess.Allow(fsProvider)
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g, ctx := errgroup.WithContext(context.Background())
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g.Go(func() error {
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return sess.Run(ctx, client.DialSession)
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})
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g.Go(func() error {
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res, body, err := request.Post("/build?remote=client-session&session="+sess.UUID(), func(req *http.Request) error {
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req.Body = ioutil.NopCloser(strings.NewReader(dockerfile))
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return nil
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})
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if err != nil {
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return err
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}
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assert.Equal(c, res.StatusCode, http.StatusOK)
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out, err := testutil.ReadBody(body)
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require.NoError(c, err)
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assert.Contains(c, string(out), "Successfully built")
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sess.Close()
|
|
outStr = string(out)
|
|
return nil
|
|
})
|
|
|
|
err = g.Wait()
|
|
assert.Nil(c, err)
|
|
return
|
|
}
|
|
|
|
type buildLine struct {
|
|
Stream string
|
|
Aux struct {
|
|
ID string
|
|
}
|
|
}
|
|
|
|
func getImageIDsFromBuild(c *check.C, output []byte) []string {
|
|
ids := []string{}
|
|
for _, line := range bytes.Split(output, []byte("\n")) {
|
|
if len(line) == 0 {
|
|
continue
|
|
}
|
|
entry := buildLine{}
|
|
require.NoError(c, json.Unmarshal(line, &entry))
|
|
if entry.Aux.ID != "" {
|
|
ids = append(ids, entry.Aux.ID)
|
|
}
|
|
}
|
|
return ids
|
|
}
|