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Fix for Daemon crashing when wildcards are used for COPY/ADD 

in the filename and the command itself

Closes #12267

Signed-off-by: Doug Davis <dug@us.ibm.com>
This commit is contained in:
Doug Davis 2015-04-10 12:39:42 -07:00
parent aebeefa886
commit 82daa43844
3 changed files with 32 additions and 5 deletions
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9
builder/internals.go
View File

@ -156,6 +156,7 @@ func (b *Builder) runContextCommand(args []string, allowRemote bool, allowDecomp
dest,
allowRemote,
allowDecompression,
true,
); err != nil {
return err
}
@ -226,7 +227,7 @@ func (b *Builder) runContextCommand(args []string, allowRemote bool, allowDecomp
return nil
}
func calcCopyInfo(b *Builder, cmdName string, cInfos *[]*copyInfo, origPath string, destPath string, allowRemote bool, allowDecompression bool) error {
func calcCopyInfo(b *Builder, cmdName string, cInfos *[]*copyInfo, origPath string, destPath string, allowRemote bool, allowDecompression bool, allowWildcards bool) error {
if origPath != "" && origPath[0] == '/' && len(origPath) > 1 {
origPath = origPath[1:]
@ -351,7 +352,7 @@ func calcCopyInfo(b *Builder, cmdName string, cInfos *[]*copyInfo, origPath stri
}
// Deal with wildcards
if ContainsWildcards(origPath) {
if allowWildcards && ContainsWildcards(origPath) {
for _, fileInfo := range b.context.GetSums() {
if fileInfo.Name() == "" {
continue
@ -361,7 +362,9 @@ func calcCopyInfo(b *Builder, cmdName string, cInfos *[]*copyInfo, origPath stri
continue
}
calcCopyInfo(b, cmdName, cInfos, fileInfo.Name(), destPath, allowRemote, allowDecompression)
// Note we set allowWildcards to false in case the name has
// a * in it
calcCopyInfo(b, cmdName, cInfos, fileInfo.Name(), destPath, allowRemote, allowDecompression, false)
}
return nil
}

27
integration-cli/docker_cli_build_test.go
View File

@ -1113,10 +1113,10 @@ func (s *DockerSuite) TestBuildCopyWildcard(c *check.C) {
"dir/nested_dir/nest_nest_file": "2 times nested",
"dirt": "dirty",
})
defer ctx.Close()
if err != nil {
c.Fatal(err)
}
defer ctx.Close()
id1, err := buildImageFromContext(name, ctx, true)
if err != nil {
@ -1155,6 +1155,31 @@ func (s *DockerSuite) TestBuildCopyWildcardNoFind(c *check.C) {
}
func (s *DockerSuite) TestBuildCopyWildcardInName(c *check.C) {
name := "testcopywildcardinname"
defer deleteImages(name)
ctx, err := fakeContext(`FROM busybox
COPY *.txt /tmp/
RUN [ "$(cat /tmp/\*.txt)" = 'hi there' ]
`, map[string]string{"*.txt": "hi there"})
if err != nil {
// Normally we would do c.Fatal(err) here but given that
// the odds of this failing are so rare, it must be because
// the OS we're running the client on doesn't support * in
// filenames (like windows). So, instead of failing the test
// just let it pass. Then we don't need to explicitly
// say which OSs this works on or not.
return
}
defer ctx.Close()
_, err = buildImageFromContext(name, ctx, true)
if err != nil {
c.Fatalf("should have built: %q", err)
}
}
func (s *DockerSuite) TestBuildCopyWildcardCache(c *check.C) {
name := "testcopywildcardcache"
ctx, err := fakeContext(`FROM busybox

1
integration-cli/docker_utils.go
View File

@ -663,7 +663,6 @@ func fakeContextAddDockerfile(ctx *FakeContext, dockerfile string) error {
func fakeContext(dockerfile string, files map[string]string) (*FakeContext, error) {
ctx, err := fakeContextWithFiles(files)
if err != nil {
ctx.Close()
return nil, err
}
if err := fakeContextAddDockerfile(ctx, dockerfile); err != nil {