/
hostconfig.go
186 lines (160 loc) · 4.32 KB
/
hostconfig.go
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package runconfig
import (
"strings"
"github.com/docker/docker/engine"
"github.com/docker/docker/nat"
"github.com/docker/docker/utils"
)
type NetworkMode string
// IsPrivate indicates whether container use it's private network stack
func (n NetworkMode) IsPrivate() bool {
return !(n.IsHost() || n.IsContainer() || n.IsNone())
}
func (n NetworkMode) IsHost() bool {
return n == "host"
}
func (n NetworkMode) IsContainer() bool {
parts := strings.SplitN(string(n), ":", 2)
return len(parts) > 1 && parts[0] == "container"
}
func (n NetworkMode) IsNone() bool {
return n == "none"
}
type IpcMode string
// IsPrivate indicates whether container use it's private ipc stack
func (n IpcMode) IsPrivate() bool {
return !(n.IsHost() || n.IsContainer())
}
func (n IpcMode) IsHost() bool {
return n == "host"
}
func (n IpcMode) IsContainer() bool {
parts := strings.SplitN(string(n), ":", 2)
return len(parts) > 1 && parts[0] == "container"
}
func (n IpcMode) Valid() bool {
parts := strings.Split(string(n), ":")
switch mode := parts[0]; mode {
case "", "host":
case "container":
if len(parts) != 2 || parts[1] == "" {
return false
}
default:
return false
}
return true
}
func (n IpcMode) Container() string {
parts := strings.SplitN(string(n), ":", 2)
if len(parts) > 1 {
return parts[1]
}
return ""
}
type PidMode string
// IsPrivate indicates whether container use it's private pid stack
func (n PidMode) IsPrivate() bool {
return !(n.IsHost())
}
func (n PidMode) IsHost() bool {
return n == "host"
}
func (n PidMode) Valid() bool {
parts := strings.Split(string(n), ":")
switch mode := parts[0]; mode {
case "", "host":
default:
return false
}
return true
}
type DeviceMapping struct {
PathOnHost string
PathInContainer string
CgroupPermissions string
}
type RestartPolicy struct {
Name string
MaximumRetryCount int
}
type HostConfig struct {
Binds []string
ContainerIDFile string
LxcConf []utils.KeyValuePair
Privileged bool
PortBindings nat.PortMap
Links []string
PublishAllPorts bool
Dns []string
DnsSearch []string
ExtraHosts []string
VolumesFrom []string
Devices []DeviceMapping
NetworkMode NetworkMode
IpcMode IpcMode
PidMode PidMode
CapAdd []string
CapDrop []string
RestartPolicy RestartPolicy
SecurityOpt []string
ReadonlyRootfs bool
}
// This is used by the create command when you want to set both the
// Config and the HostConfig in the same call
type ConfigAndHostConfig struct {
Config
HostConfig HostConfig
}
func MergeConfigs(config *Config, hostConfig *HostConfig) *ConfigAndHostConfig {
return &ConfigAndHostConfig{
*config,
*hostConfig,
}
}
func ContainerHostConfigFromJob(job *engine.Job) *HostConfig {
if job.EnvExists("HostConfig") {
hostConfig := HostConfig{}
job.GetenvJson("HostConfig", &hostConfig)
return &hostConfig
}
hostConfig := &HostConfig{
ContainerIDFile: job.Getenv("ContainerIDFile"),
Privileged: job.GetenvBool("Privileged"),
PublishAllPorts: job.GetenvBool("PublishAllPorts"),
NetworkMode: NetworkMode(job.Getenv("NetworkMode")),
IpcMode: IpcMode(job.Getenv("IpcMode")),
PidMode: PidMode(job.Getenv("PidMode")),
ReadonlyRootfs: job.GetenvBool("ReadonlyRootfs"),
}
job.GetenvJson("LxcConf", &hostConfig.LxcConf)
job.GetenvJson("PortBindings", &hostConfig.PortBindings)
job.GetenvJson("Devices", &hostConfig.Devices)
job.GetenvJson("RestartPolicy", &hostConfig.RestartPolicy)
hostConfig.SecurityOpt = job.GetenvList("SecurityOpt")
if Binds := job.GetenvList("Binds"); Binds != nil {
hostConfig.Binds = Binds
}
if Links := job.GetenvList("Links"); Links != nil {
hostConfig.Links = Links
}
if Dns := job.GetenvList("Dns"); Dns != nil {
hostConfig.Dns = Dns
}
if DnsSearch := job.GetenvList("DnsSearch"); DnsSearch != nil {
hostConfig.DnsSearch = DnsSearch
}
if ExtraHosts := job.GetenvList("ExtraHosts"); ExtraHosts != nil {
hostConfig.ExtraHosts = ExtraHosts
}
if VolumesFrom := job.GetenvList("VolumesFrom"); VolumesFrom != nil {
hostConfig.VolumesFrom = VolumesFrom
}
if CapAdd := job.GetenvList("CapAdd"); CapAdd != nil {
hostConfig.CapAdd = CapAdd
}
if CapDrop := job.GetenvList("CapDrop"); CapDrop != nil {
hostConfig.CapDrop = CapDrop
}
return hostConfig
}