docker/daemonconfig/config.go

73 строки
2.3 KiB
Go

package daemonconfig
import (
"github.com/dotcloud/docker/daemon/networkdriver"
"github.com/dotcloud/docker/engine"
"net"
)
const (
defaultNetworkMtu = 1500
DisableNetworkBridge = "none"
)
// FIXME: separate runtime configuration from http api configuration
type Config struct {
Pidfile string
Root string
AutoRestart bool
Dns []string
DnsSearch []string
EnableIptables bool
EnableIpForward bool
DefaultIp net.IP
BridgeIface string
BridgeIP string
InterContainerCommunication bool
GraphDriver string
ExecDriver string
Mtu int
DisableNetwork bool
EnableSelinuxSupport bool
}
// ConfigFromJob creates and returns a new DaemonConfig object
// by parsing the contents of a job's environment.
func ConfigFromJob(job *engine.Job) *Config {
config := &Config{
Pidfile: job.Getenv("Pidfile"),
Root: job.Getenv("Root"),
AutoRestart: job.GetenvBool("AutoRestart"),
EnableIptables: job.GetenvBool("EnableIptables"),
EnableIpForward: job.GetenvBool("EnableIpForward"),
BridgeIP: job.Getenv("BridgeIP"),
BridgeIface: job.Getenv("BridgeIface"),
DefaultIp: net.ParseIP(job.Getenv("DefaultIp")),
InterContainerCommunication: job.GetenvBool("InterContainerCommunication"),
GraphDriver: job.Getenv("GraphDriver"),
ExecDriver: job.Getenv("ExecDriver"),
EnableSelinuxSupport: false, // FIXME: hardcoded default to disable selinux for .10 release
}
if dns := job.GetenvList("Dns"); dns != nil {
config.Dns = dns
}
if dnsSearch := job.GetenvList("DnsSearch"); dnsSearch != nil {
config.DnsSearch = dnsSearch
}
if mtu := job.GetenvInt("Mtu"); mtu != 0 {
config.Mtu = mtu
} else {
config.Mtu = GetDefaultNetworkMtu()
}
config.DisableNetwork = config.BridgeIface == DisableNetworkBridge
return config
}
func GetDefaultNetworkMtu() int {
if iface, err := networkdriver.GetDefaultRouteIface(); err == nil {
return iface.MTU
}
return defaultNetworkMtu
}