113 lines
5 KiB
Go
113 lines
5 KiB
Go
package libcontainer
|
|
|
|
import (
|
|
"github.com/dotcloud/docker/pkg/libcontainer/cgroups"
|
|
"github.com/dotcloud/docker/pkg/libcontainer/devices"
|
|
)
|
|
|
|
// Context is a generic key value pair that allows arbatrary data to be sent
|
|
type Context map[string]string
|
|
|
|
// Container defines configuration options for executing a process inside a contained environment
|
|
type Container struct {
|
|
// Hostname optionally sets the container's hostname if provided
|
|
Hostname string `json:"hostname,omitempty"`
|
|
|
|
// ReadonlyFs will remount the container's rootfs as readonly where only externally mounted
|
|
// bind mounts are writtable
|
|
ReadonlyFs bool `json:"readonly_fs,omitempty"`
|
|
|
|
// NoPivotRoot will use MS_MOVE and a chroot to jail the process into the container's rootfs
|
|
// This is a common option when the container is running in ramdisk
|
|
NoPivotRoot bool `json:"no_pivot_root,omitempty"`
|
|
|
|
// User will set the uid and gid of the executing process running inside the container
|
|
User string `json:"user,omitempty"`
|
|
|
|
// WorkingDir will change the processes current working directory inside the container's rootfs
|
|
WorkingDir string `json:"working_dir,omitempty"`
|
|
|
|
// Env will populate the processes environment with the provided values
|
|
// Any values from the parent processes will be cleared before the values
|
|
// provided in Env are provided to the process
|
|
Env []string `json:"environment,omitempty"`
|
|
|
|
// Tty when true will allocate a pty slave on the host for access by the container's process
|
|
// and ensure that it is mounted inside the container's rootfs
|
|
Tty bool `json:"tty,omitempty"`
|
|
|
|
// Namespaces specifies the container's namespaces that it should setup when cloning the init process
|
|
// If a namespace is not provided that namespace is shared from the container's parent process
|
|
Namespaces map[string]bool `json:"namespaces,omitempty"`
|
|
|
|
// Capabilities specify the capabilities to keep when executing the process inside the container
|
|
// All capbilities not specified will be dropped from the processes capability mask
|
|
Capabilities []string `json:"capabilities,omitempty"`
|
|
|
|
// Networks specifies the container's network setup to be created
|
|
Networks []*Network `json:"networks,omitempty"`
|
|
|
|
// Routes can be specified to create entries in the route table as the container is started
|
|
Routes []*Route `json:"routes,omitempty"`
|
|
|
|
// Cgroups specifies specific cgroup settings for the various subsystems that the container is
|
|
// placed into to limit the resources the container has available
|
|
Cgroups *cgroups.Cgroup `json:"cgroups,omitempty"`
|
|
|
|
// Context is a generic key value format that allows for additional settings to be passed
|
|
// on the container's creation
|
|
// This is commonly used to specify apparmor profiles, selinux labels, and different restrictions
|
|
// placed on the container's processes
|
|
Context Context `json:"context,omitempty"`
|
|
|
|
// Mounts specify additional source and destination paths that will be mounted inside the container's
|
|
// rootfs and mount namespace if specified
|
|
Mounts Mounts `json:"mounts,omitempty"`
|
|
|
|
// The device nodes that should be automatically created within the container upon container start. Note, make sure that the node is marked as allowed in the cgroup as well!
|
|
DeviceNodes []devices.Device `json:"device_nodes,omitempty"`
|
|
}
|
|
|
|
// Network defines configuration for a container's networking stack
|
|
//
|
|
// The network configuration can be omited from a container causing the
|
|
// container to be setup with the host's networking stack
|
|
type Network struct {
|
|
// Type sets the networks type, commonly veth and loopback
|
|
Type string `json:"type,omitempty"`
|
|
|
|
// Context is a generic key value format for setting additional options that are specific to
|
|
// the network type
|
|
Context Context `json:"context,omitempty"`
|
|
|
|
// Address contains the IP and mask to set on the network interface
|
|
Address string `json:"address,omitempty"`
|
|
|
|
// Gateway sets the gateway address that is used as the default for the interface
|
|
Gateway string `json:"gateway,omitempty"`
|
|
|
|
// Mtu sets the mtu value for the interface and will be mirrored on both the host and
|
|
// container's interfaces if a pair is created, specifically in the case of type veth
|
|
Mtu int `json:"mtu,omitempty"`
|
|
}
|
|
|
|
// Routes can be specified to create entries in the route table as the container is started
|
|
//
|
|
// All of destination, source, and gateway should be either IPv4 or IPv6.
|
|
// One of the three options must be present, and ommitted entries will use their
|
|
// IP family default for the route table. For IPv4 for example, setting the
|
|
// gateway to 1.2.3.4 and the interface to eth0 will set up a standard
|
|
// destination of 0.0.0.0(or *) when viewed in the route table.
|
|
type Route struct {
|
|
// Sets the destination and mask, should be a CIDR. Accepts IPv4 and IPv6
|
|
Destination string `json:"destination,omitempty"`
|
|
|
|
// Sets the source and mask, should be a CIDR. Accepts IPv4 and IPv6
|
|
Source string `json:"source,omitempty"`
|
|
|
|
// Sets the gateway. Accepts IPv4 and IPv6
|
|
Gateway string `json:"gateway,omitempty"`
|
|
|
|
// The device to set this route up for, for example: eth0
|
|
InterfaceName string `json:"interface_name,omitempty"`
|
|
}
|