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Add more native driver options

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)
This commit is contained in:
Michael Crosby 2014-03-21 14:07:16 +00:00
parent 146a212f71
commit 83618c2b81

View file

@ -5,18 +5,70 @@ import (
"github.com/dotcloud/docker/pkg/libcontainer"
"os/exec"
"path/filepath"
"strconv"
"strings"
)
type Action func(*libcontainer.Container, interface{}, string) error
var actions = map[string]Action{
"cap.add": addCap,
"cap.drop": dropCap,
"fs.readonly": readonlyFs,
"ns.add": addNamespace,
"ns.drop": dropNamespace,
"net.join": joinNetNamespace,
"cap.add": addCap, // add a cap
"cap.drop": dropCap, // drop a cap
"ns.add": addNamespace, // add a namespace
"ns.drop": dropNamespace, // drop a namespace when cloning
"net.join": joinNetNamespace, // join another containers net namespace
// "net.veth.mac": vethMacAddress, // set the mac address for the veth
"cgroups.cpu_shares": cpuShares, // set the cpu shares
"cgroups.memory": memory, // set the memory limit
"cgroups.memory_swap": memorySwap, // set the memory swap limit
"apparmor_profile": apparmorProfile, // set the apparmor profile to apply
"fs.readonly": readonlyFs, // make the rootfs of the container read only
}
func apparmorProfile(container *libcontainer.Container, context interface{}, value string) error {
container.Context["apparmor_profile"] = value
return nil
}
func cpuShares(container *libcontainer.Container, context interface{}, value string) error {
if container.Cgroups == nil {
return fmt.Errorf("cannot set cgroups when they are disabled")
}
v, err := strconv.ParseInt(value, 0, 64)
if err != nil {
return err
}
container.Cgroups.CpuShares = v
return nil
}
func memory(container *libcontainer.Container, context interface{}, value string) error {
if container.Cgroups == nil {
return fmt.Errorf("cannot set cgroups when they are disabled")
}
v, err := strconv.ParseInt(value, 0, 64)
if err != nil {
return err
}
container.Cgroups.Memory = v
return nil
}
func memorySwap(container *libcontainer.Container, context interface{}, value string) error {
if container.Cgroups == nil {
return fmt.Errorf("cannot set cgroups when they are disabled")
}
v, err := strconv.ParseInt(value, 0, 64)
if err != nil {
return err
}
container.Cgroups.MemorySwap = v
return nil
}
func addCap(container *libcontainer.Container, context interface{}, value string) error {
@ -84,6 +136,22 @@ func joinNetNamespace(container *libcontainer.Container, context interface{}, va
return nil
}
func vethMacAddress(container *libcontainer.Container, context interface{}, value string) error {
var veth *libcontainer.Network
for _, network := range container.Networks {
if network.Type == "veth" {
veth = network
break
}
}
if veth == nil {
return fmt.Errorf("not veth configured for container")
}
veth.Context["mac"] = value
return nil
}
// configureCustomOptions takes string commands from the user and allows modification of the
// container's default configuration.
//