Merge pull request #4189 from vbatts/vbatts-execdriver_flag
execdriver flag for docker daemon
This commit is contained in:
commit
c9addff444
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@ -25,6 +25,7 @@ type DaemonConfig struct {
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BridgeIP string
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BridgeIP string
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InterContainerCommunication bool
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InterContainerCommunication bool
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GraphDriver string
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GraphDriver string
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ExecDriver string
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Mtu int
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Mtu int
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DisableNetwork bool
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DisableNetwork bool
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}
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}
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@ -43,6 +44,7 @@ func DaemonConfigFromJob(job *engine.Job) *DaemonConfig {
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DefaultIp: net.ParseIP(job.Getenv("DefaultIp")),
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DefaultIp: net.ParseIP(job.Getenv("DefaultIp")),
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InterContainerCommunication: job.GetenvBool("InterContainerCommunication"),
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InterContainerCommunication: job.GetenvBool("InterContainerCommunication"),
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GraphDriver: job.Getenv("GraphDriver"),
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GraphDriver: job.Getenv("GraphDriver"),
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ExecDriver: job.Getenv("ExecDriver"),
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}
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}
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if dns := job.GetenvList("Dns"); dns != nil {
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if dns := job.GetenvList("Dns"); dns != nil {
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config.Dns = dns
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config.Dns = dns
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@ -39,6 +39,7 @@ func main() {
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flDefaultIp = flag.String([]string{"#ip", "-ip"}, "0.0.0.0", "Default IP address to use when binding container ports")
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flDefaultIp = flag.String([]string{"#ip", "-ip"}, "0.0.0.0", "Default IP address to use when binding container ports")
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flInterContainerComm = flag.Bool([]string{"#icc", "-icc"}, true, "Enable inter-container communication")
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flInterContainerComm = flag.Bool([]string{"#icc", "-icc"}, true, "Enable inter-container communication")
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flGraphDriver = flag.String([]string{"s", "-storage-driver"}, "", "Force the docker runtime to use a specific storage driver")
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flGraphDriver = flag.String([]string{"s", "-storage-driver"}, "", "Force the docker runtime to use a specific storage driver")
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flExecDriver = flag.String([]string{"e", "-exec-driver"}, "", "Force the docker runtime to use a specific exec driver")
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flHosts = opts.NewListOpts(api.ValidateHost)
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flHosts = opts.NewListOpts(api.ValidateHost)
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flMtu = flag.Int([]string{"#mtu", "-mtu"}, 0, "Set the containers network MTU; if no value is provided: default to the default route MTU or 1500 if no default route is available")
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flMtu = flag.Int([]string{"#mtu", "-mtu"}, 0, "Set the containers network MTU; if no value is provided: default to the default route MTU or 1500 if no default route is available")
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)
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)
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@ -100,6 +101,7 @@ func main() {
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job.Setenv("DefaultIp", *flDefaultIp)
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job.Setenv("DefaultIp", *flDefaultIp)
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job.SetenvBool("InterContainerCommunication", *flInterContainerComm)
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job.SetenvBool("InterContainerCommunication", *flInterContainerComm)
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job.Setenv("GraphDriver", *flGraphDriver)
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job.Setenv("GraphDriver", *flGraphDriver)
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job.Setenv("ExecDriver", *flExecDriver)
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job.SetenvInt("Mtu", *flMtu)
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job.SetenvInt("Mtu", *flMtu)
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if err := job.Run(); err != nil {
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if err := job.Run(); err != nil {
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log.Fatal(err)
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log.Fatal(err)
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@ -79,6 +79,7 @@ Commands
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-p, --pidfile="/var/run/docker.pid": Path to use for daemon PID file
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-p, --pidfile="/var/run/docker.pid": Path to use for daemon PID file
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-r, --restart=true: Restart previously running containers
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-r, --restart=true: Restart previously running containers
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-s, --storage-driver="": Force the docker runtime to use a specific storage driver
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-s, --storage-driver="": Force the docker runtime to use a specific storage driver
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-e, --exec-driver="": Force the docker runtime to use a specific exec driver
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-v, --version=false: Print version information and quit
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-v, --version=false: Print version information and quit
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--mtu=0: Set the containers network MTU; if no value is provided: default to the default route MTU or 1500 if no default route is available
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--mtu=0: Set the containers network MTU; if no value is provided: default to the default route MTU or 1500 if no default route is available
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12
runtime.go
12
runtime.go
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@ -7,6 +7,7 @@ import (
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"github.com/dotcloud/docker/dockerversion"
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"github.com/dotcloud/docker/dockerversion"
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"github.com/dotcloud/docker/engine"
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"github.com/dotcloud/docker/engine"
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"github.com/dotcloud/docker/execdriver"
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"github.com/dotcloud/docker/execdriver"
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"github.com/dotcloud/docker/execdriver/chroot"
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"github.com/dotcloud/docker/execdriver/lxc"
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"github.com/dotcloud/docker/execdriver/lxc"
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"github.com/dotcloud/docker/graphdriver"
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"github.com/dotcloud/docker/graphdriver"
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"github.com/dotcloud/docker/graphdriver/aufs"
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"github.com/dotcloud/docker/graphdriver/aufs"
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@ -703,7 +704,16 @@ func NewRuntimeFromDirectory(config *DaemonConfig, eng *engine.Engine) (*Runtime
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sysInfo := sysinfo.New(false)
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sysInfo := sysinfo.New(false)
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ed, err := lxc.NewDriver(config.Root, sysInfo.AppArmor)
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var ed execdriver.Driver
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utils.Debugf("execDriver: provided %s", config.ExecDriver)
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if config.ExecDriver == "chroot" && false {
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// chroot is presently a noop driver https://github.com/dotcloud/docker/pull/4189#issuecomment-35330655
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ed, err = chroot.NewDriver()
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utils.Debugf("execDriver: using chroot")
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} else {
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ed, err = lxc.NewDriver(config.Root, sysInfo.AppArmor)
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utils.Debugf("execDriver: using lxc")
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}
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if err != nil {
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if err != nil {
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return nil, err
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return nil, err
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}
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}
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