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Create a layer for each operation (expose, cmd, etc)

This commit is contained in:
Guillaume J. Charmes 2013-05-29 15:03:00 -07:00
parent ae0d555022
commit b6165daa77

View file

@ -32,8 +32,6 @@ type buildFile struct {
tmpContainers map[string]struct{}
tmpImages map[string]struct{}
needCommit bool
out io.Writer
}
@ -81,9 +79,8 @@ func (b *buildFile) CmdFrom(name string) error {
}
func (b *buildFile) CmdMaintainer(name string) error {
b.needCommit = true
b.maintainer = name
return nil
return b.commit("", b.config.Cmd, fmt.Sprintf("MAINTAINER %s", name))
}
func (b *buildFile) CmdRun(args string) error {
@ -113,7 +110,7 @@ func (b *buildFile) CmdRun(args string) error {
if err != nil {
return err
}
if err := b.commit(cid, cmd); err != nil {
if err := b.commit(cid, cmd, "run"); err != nil {
return err
}
b.config.Cmd = cmd
@ -121,7 +118,6 @@ func (b *buildFile) CmdRun(args string) error {
}
func (b *buildFile) CmdEnv(args string) error {
b.needCommit = true
tmp := strings.SplitN(args, " ", 2)
if len(tmp) != 2 {
return fmt.Errorf("Invalid ENV format")
@ -136,29 +132,25 @@ func (b *buildFile) CmdEnv(args string) error {
}
}
b.config.Env = append(b.config.Env, key+"="+value)
return nil
return b.commit("", b.config.Cmd, fmt.Sprintf("ENV %s=%s", key, value))
}
func (b *buildFile) CmdCmd(args string) error {
b.needCommit = true
var cmd []string
if err := json.Unmarshal([]byte(args), &cmd); err != nil {
utils.Debugf("Error unmarshalling: %s, using /bin/sh -c", err)
b.config.Cmd = []string{"/bin/sh", "-c", args}
} else {
b.config.Cmd = cmd
cmd = []string{"/bin/sh", "-c", args}
}
return nil
return b.commit("", cmd, fmt.Sprintf("CMD %v", cmd))
}
func (b *buildFile) CmdExpose(args string) error {
ports := strings.Split(args, " ")
b.config.PortSpecs = append(ports, b.config.PortSpecs...)
return nil
return b.commit("", b.config.Cmd, fmt.Sprintf("EXPOSE %v", ports))
}
func (b *buildFile) CmdInsert(args string) error {
if b.image == "" {
return fmt.Errorf("Please provide a source image with `from` prior to insert")
}
@ -176,7 +168,7 @@ func (b *buildFile) CmdInsert(args string) error {
defer file.Body.Close()
cmd := b.config.Cmd
b.config.Cmd = []string{"echo", "INSERT", sourceUrl, "in", destPath}
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) INSERT %s in %s", sourceUrl, destPath)}
cid, err := b.run()
if err != nil {
return err
@ -190,8 +182,7 @@ func (b *buildFile) CmdInsert(args string) error {
if err := container.Inject(file.Body, destPath); err != nil {
return err
}
return b.commit(cid, cmd)
return b.commit(cid, cmd, fmt.Sprintf("INSERT %s in %s", sourceUrl, destPath))
}
func (b *buildFile) CmdAdd(args string) error {
@ -206,7 +197,7 @@ func (b *buildFile) CmdAdd(args string) error {
dest := strings.Trim(tmp[1], " ")
cmd := b.config.Cmd
b.config.Cmd = []string{"echo", "PUSH", orig, "in", dest}
b.config.Cmd = []string{"/bin/sh", "-c", fmt.Sprintf("#(nop) ADD %s in %s", orig, dest)}
cid, err := b.run()
if err != nil {
return err
@ -243,8 +234,7 @@ func (b *buildFile) CmdAdd(args string) error {
return err
}
}
return b.commit(cid, cmd)
return b.commit(cid, cmd, fmt.Sprintf("ADD %s in %s", orig, dest))
}
func (b *buildFile) run() (string, error) {
@ -274,20 +264,18 @@ func (b *buildFile) run() (string, error) {
}
// Commit the container <id> with the autorun command <autoCmd>
func (b *buildFile) commit(id string, autoCmd []string) error {
func (b *buildFile) commit(id string, autoCmd []string, comment string) error {
if b.image == "" {
return fmt.Errorf("Please provide a source image with `from` prior to commit")
}
b.config.Image = b.image
if id == "" {
cmd := b.config.Cmd
b.config.Cmd = []string{"true"}
b.config.Cmd = []string{"/bin/sh", "-c", "#(nop) " + comment}
if cid, err := b.run(); err != nil {
return err
} else {
id = cid
}
b.config.Cmd = cmd
}
container := b.runtime.Get(id)
@ -305,7 +293,6 @@ func (b *buildFile) commit(id string, autoCmd []string) error {
}
b.tmpImages[image.Id] = struct{}{}
b.image = image.Id
b.needCommit = false
return nil
}
@ -358,11 +345,6 @@ func (b *buildFile) Build(dockerfile, context io.Reader) (string, error) {
fmt.Fprintf(b.out, "===> %v\n", b.image)
}
if b.needCommit {
if err := b.commit("", nil); err != nil {
return "", err
}
}
if b.image != "" {
// The build is successful, keep the temporary containers and images
for i := range b.tmpImages {