docs/execdriver/native/default_template.go

80 lines
2.1 KiB
Go

package native
import (
"fmt"
"github.com/dotcloud/docker/execdriver"
"github.com/dotcloud/docker/pkg/cgroups"
"github.com/dotcloud/docker/pkg/libcontainer"
)
// createContainer populates and configrues the container type with the
// data provided by the execdriver.Command
func createContainer(c *execdriver.Command) *libcontainer.Container {
container := getDefaultTemplate()
container.Hostname = getEnv("HOSTNAME", c.Env)
container.Tty = c.Tty
container.User = c.User
container.WorkingDir = c.WorkingDir
container.Env = c.Env
if c.Network != nil {
container.Network = &libcontainer.Network{
Mtu: c.Network.Mtu,
Address: fmt.Sprintf("%s/%d", c.Network.IPAddress, c.Network.IPPrefixLen),
Gateway: c.Network.Gateway,
Type: "veth",
Context: libcontainer.Context{
"prefix": "dock",
"bridge": c.Network.Bridge,
},
}
}
container.Cgroups.Name = c.ID
if c.Privileged {
container.Capabilities = nil
container.Cgroups.DeviceAccess = true
}
if c.Resources != nil {
container.Cgroups.CpuShares = c.Resources.CpuShares
container.Cgroups.Memory = c.Resources.Memory
container.Cgroups.MemorySwap = c.Resources.MemorySwap
}
return container
}
// getDefaultTemplate returns the docker default for
// the libcontainer configuration file
func getDefaultTemplate() *libcontainer.Container {
return &libcontainer.Container{
Capabilities: libcontainer.Capabilities{
libcontainer.CAP_SETPCAP,
libcontainer.CAP_SYS_MODULE,
libcontainer.CAP_SYS_RAWIO,
libcontainer.CAP_SYS_PACCT,
libcontainer.CAP_SYS_ADMIN,
libcontainer.CAP_SYS_NICE,
libcontainer.CAP_SYS_RESOURCE,
libcontainer.CAP_SYS_TIME,
libcontainer.CAP_SYS_TTY_CONFIG,
libcontainer.CAP_MKNOD,
libcontainer.CAP_AUDIT_WRITE,
libcontainer.CAP_AUDIT_CONTROL,
libcontainer.CAP_MAC_ADMIN,
libcontainer.CAP_MAC_OVERRIDE,
libcontainer.CAP_NET_ADMIN,
},
Namespaces: libcontainer.Namespaces{
libcontainer.CLONE_NEWIPC,
libcontainer.CLONE_NEWNET,
libcontainer.CLONE_NEWNS,
libcontainer.CLONE_NEWPID,
libcontainer.CLONE_NEWUTS,
},
Cgroups: &cgroups.Cgroup{
Parent: "docker",
DeviceAccess: false,
},
}
}