func (container Container) provision(force bool) {
if force || !container.imageExists() {
if len(container.Dockerfile) > 0 {
container.buildImage()
} else {
container.pullImage()
}
} else {
print.Notice("Image %s does already exist. Use --force to recreate.\n", container.Image)
}
}
func readCraneData(filename string) Config {
data, err := ioutil.ReadFile(filename)
if err != nil {
panic(StatusError{err, 74})
}
if filename == "Cranefile" {
print.Notice("Using a Cranefile is deprecated. Please use crane.json/crane.yaml instead.\n")
}
ext := filepath.Ext(filename)
if ext == ".json" {
return unmarshalJSON(data)
} else if ext == ".yml" || ext == ".yaml" {
return unmarshalYAML(data)
} else if ext == "" {
return unmarshalJSON(data)
} else {
panic(StatusError{errors.New("Unrecognized file extension"), 65})
}
}
// Run container
func (container Container) run() {
if !isManualTargetting() && container.Manual {
return
}
if container.exists() {
print.Notice("Container %s does already exist. Use --force to recreate.\n", container.Name)
if !container.running() {
container.start()
}
} else {
fmt.Printf("Running container %s ... ", container.Name)
// Assemble command arguments
args := []string{"run"}
// Cidfile
if len(container.Run.Cidfile) > 0 {
args = append(args, "--cidfile", os.ExpandEnv(container.Run.Cidfile))
}
// CPU shares
if container.Run.CpuShares > 0 {
args = append(args, "--cpu-shares", os.ExpandEnv(strconv.Itoa(container.Run.CpuShares)))
}
// Detach
if container.Run.Detach {
args = append(args, "--detach")
}
// Dns
for _, dns := range container.Run.Dns {
args = append(args, "--dns", os.ExpandEnv(dns))
}
// Entrypoint
if len(container.Run.Entrypoint) > 0 {
args = append(args, "--entrypoint", os.ExpandEnv(container.Run.Entrypoint))
}
// Env
for _, env := range container.Run.Env {
args = append(args, "--env", os.ExpandEnv(env))
}
// Expose
for _, expose := range container.Run.Expose {
args = append(args, "--expose", os.ExpandEnv(expose))
}
// Host
if len(container.Run.Host) > 0 {
args = append(args, "--hostname", os.ExpandEnv(container.Run.Host))
}
// Interactive
if container.Run.Interactive {
args = append(args, "--interactive")
}
// Link
for _, link := range container.Run.Link {
args = append(args, "--link", link)
}
// LxcConf
for _, lxcConf := range container.Run.LxcConf {
args = append(args, "--lxc-conf", os.ExpandEnv(lxcConf))
}
// MappedVolumesFrom
for _, mappedVolumesFrom := range container.Run.MappedVolumesFrom {
mappedVolumesFrom = os.ExpandEnv(mappedVolumesFrom)
x := strings.Split(mappedVolumesFrom, ":")
from, volume, dest := x[0], x[1], x[2]
src_volume_dir := getSourceForVolume(from, volume)
vol_map := strings.Join([]string{src_volume_dir, dest}, ":")
args = append(args, "--volume", vol_map)
}
// Memory
if len(container.Run.Memory) > 0 {
args = append(args, "--memory", os.ExpandEnv(container.Run.Memory))
}
// Privileged
if container.Run.Privileged {
args = append(args, "--privileged")
}
// Publish
for _, port := range container.Run.Publish {
args = append(args, "--publish", os.ExpandEnv(port))
}
// PublishAll
if container.Run.PublishAll {
args = append(args, "--publish-all")
}
// Rm
if container.Run.Rm {
args = append(args, "--rm")
}
// Tty
if container.Run.Tty {
args = append(args, "--tty")
}
// User
if len(container.Run.User) > 0 {
args = append(args, "--user", os.ExpandEnv(container.Run.User))
}
// Volumes
for _, volume := range container.Run.Volume {
paths := strings.Split(volume, ":")
if !path.IsAbs(paths[0]) {
cwd, _ := os.Getwd()
paths[0] = cwd + "/" + paths[0]
}
args = append(args, "--volume", os.ExpandEnv(strings.Join(paths, ":")))
}
// VolumesFrom
for _, volumeFrom := range container.Run.VolumesFrom {
args = append(args, "--volumes-from", os.ExpandEnv(volumeFrom))
}
// Workdir
if len(container.Run.Workdir) > 0 {
args = append(args, "--workdir", os.ExpandEnv(container.Run.Workdir))
}
// Name
args = append(args, "--name", container.Name)
// Image
args = append(args, container.Image)
// Command
if container.Run.Command != nil {
switch cmd := container.Run.Command.(type) {
case string:
if len(cmd) > 0 {
args = append(args, cmd)
}
case []interface{}:
cmds := make([]string, len(cmd))
for i, v := range cmd {
cmds[i] = v.(string)
}
args = append(args, cmds...)
default:
print.Error("cmd is of unknown type!")
}
}
// Execute command
executeCommand("docker", args)
}
}