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fbfac21ed4
Add a --dns-search parameter and a DnsSearch configuration field for specifying dns search domains. Docker-DCO-1.1-Signed-off-by: Daniel Norberg <daniel.norberg@gmail.com> (github: danielnorberg)
71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
package daemonconfig
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import (
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"net"
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"github.com/dotcloud/docker/engine"
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"github.com/dotcloud/docker/runtime/networkdriver"
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)
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const (
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defaultNetworkMtu = 1500
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DisableNetworkBridge = "none"
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)
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// FIXME: separate runtime configuration from http api configuration
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type Config struct {
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Pidfile string
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Root string
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AutoRestart bool
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Dns []string
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DnsSearch []string
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EnableIptables bool
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EnableIpForward bool
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DefaultIp net.IP
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BridgeIface string
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BridgeIP string
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InterContainerCommunication bool
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GraphDriver string
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ExecDriver string
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Mtu int
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DisableNetwork bool
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}
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// ConfigFromJob creates and returns a new DaemonConfig object
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// by parsing the contents of a job's environment.
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func ConfigFromJob(job *engine.Job) *Config {
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config := &Config{
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Pidfile: job.Getenv("Pidfile"),
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Root: job.Getenv("Root"),
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AutoRestart: job.GetenvBool("AutoRestart"),
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EnableIptables: job.GetenvBool("EnableIptables"),
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EnableIpForward: job.GetenvBool("EnableIpForward"),
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BridgeIP: job.Getenv("BridgeIP"),
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BridgeIface: job.Getenv("BridgeIface"),
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DefaultIp: net.ParseIP(job.Getenv("DefaultIp")),
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InterContainerCommunication: job.GetenvBool("InterContainerCommunication"),
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GraphDriver: job.Getenv("GraphDriver"),
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ExecDriver: job.Getenv("ExecDriver"),
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}
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if dns := job.GetenvList("Dns"); dns != nil {
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config.Dns = dns
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}
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if dnsSearch := job.GetenvList("DnsSearch"); dnsSearch != nil {
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config.DnsSearch = dnsSearch
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}
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if mtu := job.GetenvInt("Mtu"); mtu != 0 {
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config.Mtu = mtu
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} else {
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config.Mtu = GetDefaultNetworkMtu()
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}
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config.DisableNetwork = config.BridgeIface == DisableNetworkBridge
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return config
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}
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func GetDefaultNetworkMtu() int {
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if iface, err := networkdriver.GetDefaultRouteIface(); err == nil {
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return iface.MTU
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}
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return defaultNetworkMtu
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}
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