docker/utils.go

57 строки
1.3 KiB
Go

package docker
import (
"github.com/dotcloud/docker/archive"
"github.com/dotcloud/docker/nat"
"github.com/dotcloud/docker/pkg/namesgenerator"
"github.com/dotcloud/docker/runconfig"
"github.com/dotcloud/docker/utils"
)
type Change struct {
archive.Change
}
func migratePortMappings(config *runconfig.Config, hostConfig *runconfig.HostConfig) error {
if config.PortSpecs != nil {
ports, bindings, err := nat.ParsePortSpecs(config.PortSpecs)
if err != nil {
return err
}
config.PortSpecs = nil
if len(bindings) > 0 {
if hostConfig == nil {
hostConfig = &runconfig.HostConfig{}
}
hostConfig.PortBindings = bindings
}
if config.ExposedPorts == nil {
config.ExposedPorts = make(nat.PortSet, len(ports))
}
for k, v := range ports {
config.ExposedPorts[k] = v
}
}
return nil
}
// Links come in the format of
// name:alias
func parseLink(rawLink string) (map[string]string, error) {
return utils.PartParser("name:alias", rawLink)
}
type checker struct {
runtime *Runtime
}
func (c *checker) Exists(name string) bool {
return c.runtime.containerGraph.Exists("/" + name)
}
// Generate a random and unique name
func generateRandomName(runtime *Runtime) (string, error) {
return namesgenerator.GenerateRandomName(&checker{runtime})
}