283 lines
8.1 KiB
Go
283 lines
8.1 KiB
Go
package main
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import (
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"archive/tar"
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"bytes"
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"net/http"
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"regexp"
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"strings"
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"github.com/docker/docker/pkg/integration/checker"
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"github.com/go-check/check"
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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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testRequires(c, DaemonIsLinux)
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server, err := fakeStorage(map[string]string{
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"testD": `FROM busybox
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COPY * /tmp/
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RUN find / -name ba*
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RUN find /tmp/`,
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})
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c.Assert(err, checker.IsNil)
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defer server.Close()
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res, body, err := sockRequestRaw("POST", "/build?dockerfile=baz&remote="+server.URL()+"/testD", nil, "application/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 := 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, "/tmp/Dockerfile")
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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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testRequires(c, DaemonIsLinux)
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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, err := fakeBinaryStorage(map[string]*bytes.Buffer{
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"testT.tar": buffer,
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})
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c.Assert(err, checker.IsNil)
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defer server.Close()
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res, b, err := sockRequestRaw("POST", "/build?remote="+server.URL()+"/testT.tar", nil, "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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testRequires(c, DaemonIsLinux)
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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, err := fakeBinaryStorage(map[string]*bytes.Buffer{
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"testT.tar": buffer,
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})
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c.Assert(err, checker.IsNil)
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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 := sockRequestRaw("POST", url, nil, "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 := 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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testRequires(c, DaemonIsLinux)
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git, err := newFakeGit("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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c.Assert(err, checker.IsNil)
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defer git.Close()
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res, body, err := sockRequestRaw("POST", "/build?remote="+git.RepoURL, nil, "application/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 := 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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testRequires(c, DaemonIsLinux)
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git, err := newFakeGit("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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c.Assert(err, checker.IsNil)
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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 := sockRequestRaw("POST", "/build?dockerfile=baz&remote="+git.RepoURL, nil, "application/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 := 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, err := newFakeGit("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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c.Assert(err, checker.IsNil)
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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 := sockRequestRaw("POST", "/build?remote="+git.RepoURL, nil, "application/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 := 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) TestBuildApiDockerfileSymlink(c *check.C) {
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// Test to make sure we stop people from trying to leave the
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// build context when specifying a symlink as the path to the dockerfile
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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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err := tw.WriteHeader(&tar.Header{
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Name: "Dockerfile",
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Typeflag: tar.TypeSymlink,
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Linkname: "/etc/passwd",
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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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// failed to close tar archive
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c.Assert(tw.Close(), checker.IsNil)
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res, body, err := sockRequestRaw("POST", "/build", buffer, "application/x-tar")
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c.Assert(err, checker.IsNil)
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c.Assert(res.StatusCode, checker.Equals, http.StatusInternalServerError)
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out, err := readBody(body)
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c.Assert(err, checker.IsNil)
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// The reason the error is "Cannot locate specified Dockerfile" is because
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// in the builder, the symlink is resolved within the context, therefore
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// Dockerfile -> /etc/passwd becomes etc/passwd from the context which is
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// a nonexistent file.
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c.Assert(string(out), checker.Contains, "Cannot locate specified Dockerfile: Dockerfile", check.Commentf("Didn't complain about leaving build context"))
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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 := sockRequestRaw("POST", "/build", buffer, "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 := 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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