func (c *Builder) CreateContainer(original string) (*lxc.Container, error) {
cloned, err := util.UUID()
if err != nil {
log.Errorf("Failed to generate uuid. Error: %v", err)
return nil, err
}
ct, err := util.CloneAndStartContainer(original, cloned)
if err != nil {
log.Errorf("Failed to clone container %s as %s. Error: %v", original, cloned, err)
return nil, err
}
return ct, nil
}
func (c *DockerfileCommand) Run(args []string) int {
var file string
var name string
flags := c.Meta.FlagSet("dockerfile", FlagSetClient)
flags.StringVar(&file, "file", "Dockerfile", "Path to dockerfile like specification")
flags.StringVar(&name, "name", "", "Name of the container (default will be autogenerated uuid)")
flags.Usage = func() { c.Ui.Output(c.Help()) }
if err := flags.Parse(args); err != nil {
log.Errorf("Failed to parse cli arguments. Error: %s\n", err)
return 1
}
var logOutput io.Writer
if c.Meta.logOutput != "" {
fi, err := os.OpenFile(c.Meta.logOutput, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
log.Errorf("Failed to open log output file '%s'. Error: %s\n", c.Meta.logOutput, err)
return -1
}
defer fi.Close()
logOutput = fi
} else {
logOutput = os.Stdout
}
util.ConfigureLogging(c.Meta.logLevel, c.Meta.logFormat, logOutput)
if name == "" {
id, err := util.UUID()
if err != nil {
log.Errorf("Failed to generate uuid. Error: %s\n", err)
return -1
}
name = id
log.Infof("No name given. Using uuid %s\n", name)
}
spec := dockerfile.NewSpec(name, file)
if err := spec.Parse(); err != nil {
log.Errorf("Failed to parse dockerfile. Error: %s\n", err)
return -1
}
log.Debugf("Successfully parse dockerfile")
if err := spec.Build(); err != nil {
log.Errorf("Failed to build container from dockerfile. Error: %s\n", err)
return -1
}
log.Debugf("Successfully parse dockerfile")
return 0
}
