network

package
v1.0.33 Latest Latest
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 Go to latest Published: Feb 21, 2020 License: MIT Imports: 22 Imported by: 0

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Index

Constants

View Source 
const (
	SnatBridgeIPKey = "snatBridgeIP"
	LocalIPKey      = "localIP"
	InfraVnetIPKey  = "infraVnetIP"
	OptVethName     = "vethname"
)
View Source 
const (
	FAKE_GW_IP = "169.254.1.1/32"
	DEFAULT_GW = "0.0.0.0/0"
)
View Source 
const (
	InfraVnet = 0
)
View Source 
const (
	VlanIDKey = "VlanID"
)

Variables

This section is empty.

Functions

func AddInfraEndpointRules added in v1.0.12 

func AddInfraEndpointRules(client *OVSEndpointClient, infraIP net.IPNet, hostPort string) error

func AddInfraVnetEndpoint added in v1.0.12 

func AddInfraVnetEndpoint(client *OVSEndpointClient) error

func AddSnatEndpoint added in v1.0.12 

func AddSnatEndpoint(client *OVSEndpointClient) error

func AddSnatEndpointRules added in v1.0.12 

func AddSnatEndpointRules(client *OVSEndpointClient) error

func AddStaticRoute added in v1.0.12 

func AddStaticRoute(ip string, interfaceName string) error

func ConfigureInfraVnetContainerInterface added in v1.0.12 

func ConfigureInfraVnetContainerInterface(client *OVSEndpointClient, infraIP net.IPNet) error

func ConfigureSnatContainerInterface added in v1.0.12 

func ConfigureSnatContainerInterface(client *OVSEndpointClient) error

func ConstructEndpointID added in v1.0.4 

func ConstructEndpointID(containerID string, netNsPath string, ifName string) (string, string)

func DeleteInfraVnetEndpoint added in v1.0.12 

func DeleteInfraVnetEndpoint(client *OVSEndpointClient, epID string) error

func DeleteInfraVnetEndpointRules added in v1.0.12 

func DeleteInfraVnetEndpointRules(client *OVSEndpointClient, ep *endpoint, hostPort string)

func DeleteSnatEndpoint added in v1.0.12 

func DeleteSnatEndpoint(client *OVSEndpointClient) error

func DeleteSnatEndpointRules added in v1.0.24 

func DeleteSnatEndpointRules(client *OVSEndpointClient)

func GetPodNameWithoutSuffix added in v1.0.18 

func GetPodNameWithoutSuffix(podName string) string

func MoveInfraEndpointToContainerNS added in v1.0.12 

func MoveInfraEndpointToContainerNS(client *OVSEndpointClient, netnsPath string, nsID uintptr) error

func MoveSnatEndpointToContainerNS added in v1.0.12 

func MoveSnatEndpointToContainerNS(client *OVSEndpointClient, netnsPath string, nsID uintptr) error

func NewInfraVnetClient added in v1.0.12 

func NewInfraVnetClient(client *OVSEndpointClient, epID string)

func NewSnatClient added in v1.0.12 

func NewSnatClient(client *OVSEndpointClient, snatBridgeIP string, localIP string, epInfo *EndpointInfo)

func SetupInfraVnetContainerInterface added in v1.0.12 

func SetupInfraVnetContainerInterface(client *OVSEndpointClient) error

func SetupSnatContainerInterface added in v1.0.12 

func SetupSnatContainerInterface(client *OVSEndpointClient) error

Types

type DNSInfo 

type DNSInfo struct {
	Suffix  string
	Servers []string
	Options []string
}

DNSInfo contains DNS information for a container network or endpoint.

type EndpointClient added in v1.0.8 

type EndpointClient interface {
	AddEndpoints(epInfo *EndpointInfo) error
	AddEndpointRules(epInfo *EndpointInfo) error
	DeleteEndpointRules(ep *endpoint)
	MoveEndpointsToContainerNS(epInfo *EndpointInfo, nsID uintptr) error
	SetupContainerInterfaces(epInfo *EndpointInfo) error
	ConfigureContainerInterfacesAndRoutes(epInfo *EndpointInfo) error
	DeleteEndpoints(ep *endpoint) error
}

type EndpointInfo 

type EndpointInfo struct {
	Id                       string
	ContainerID              string
	NetNsPath                string
	IfName                   string
	SandboxKey               string
	IfIndex                  int
	MacAddress               net.HardwareAddr
	DNS                      DNSInfo
	IPAddresses              []net.IPNet
	IPsToRouteViaHost        []string
	InfraVnetIP              net.IPNet
	Routes                   []RouteInfo
	Policies                 []policy.Policy
	Gateways                 []net.IP
	EnableSnatOnHost         bool
	EnableInfraVnet          bool
	EnableMultiTenancy       bool
	EnableSnatForDns         bool
	AllowInboundFromHostToNC bool
	AllowInboundFromNCToHost bool
	NetworkContainerID       string
	PODName                  string
	PODNameSpace             string
	Data                     map[string]interface{}
	InfraVnetAddressSpace    string
	SkipHotAttachEp          bool
}

EndpointInfo contains read-only information about an endpoint.

type LinuxBridgeClient added in v1.0.8 

type LinuxBridgeClient struct {
	// contains filtered or unexported fields
}

func NewLinuxBridgeClient added in v1.0.8 

func NewLinuxBridgeClient(bridgeName string, hostInterfaceName string, mode string) *LinuxBridgeClient

func (*LinuxBridgeClient) AddL2Rules added in v1.0.8 

func (client *LinuxBridgeClient) AddL2Rules(extIf *externalInterface) error

func (*LinuxBridgeClient) CreateBridge added in v1.0.8 

func (client *LinuxBridgeClient) CreateBridge() error

func (*LinuxBridgeClient) DeleteBridge added in v1.0.8 

func (client *LinuxBridgeClient) DeleteBridge() error

func (*LinuxBridgeClient) DeleteL2Rules added in v1.0.8 

func (client *LinuxBridgeClient) DeleteL2Rules(extIf *externalInterface)

func (*LinuxBridgeClient) SetBridgeMasterToHostInterface added in v1.0.8 

func (client *LinuxBridgeClient) SetBridgeMasterToHostInterface() error

func (*LinuxBridgeClient) SetHairpinOnHostInterface added in v1.0.8 

func (client *LinuxBridgeClient) SetHairpinOnHostInterface(enable bool) error

type LinuxBridgeEndpointClient added in v1.0.8 

type LinuxBridgeEndpointClient struct {
	// contains filtered or unexported fields
}

func NewLinuxBridgeEndpointClient added in v1.0.8 

func NewLinuxBridgeEndpointClient(
	extIf *externalInterface,
	hostVethName string,
	containerVethName string,
	mode string,
) *LinuxBridgeEndpointClient

func (*LinuxBridgeEndpointClient) AddEndpointRules added in v1.0.8 

func (client *LinuxBridgeEndpointClient) AddEndpointRules(epInfo *EndpointInfo) error

func (*LinuxBridgeEndpointClient) AddEndpoints added in v1.0.8 

func (client *LinuxBridgeEndpointClient) AddEndpoints(epInfo *EndpointInfo) error

func (*LinuxBridgeEndpointClient) ConfigureContainerInterfacesAndRoutes added in v1.0.8 

func (client *LinuxBridgeEndpointClient) ConfigureContainerInterfacesAndRoutes(epInfo *EndpointInfo) error

func (*LinuxBridgeEndpointClient) DeleteEndpointRules added in v1.0.8 

func (client *LinuxBridgeEndpointClient) DeleteEndpointRules(ep *endpoint)

func (*LinuxBridgeEndpointClient) DeleteEndpoints added in v1.0.8 

func (client *LinuxBridgeEndpointClient) DeleteEndpoints(ep *endpoint) error

func (*LinuxBridgeEndpointClient) MoveEndpointsToContainerNS added in v1.0.8 

func (client *LinuxBridgeEndpointClient) MoveEndpointsToContainerNS(epInfo *EndpointInfo, nsID uintptr) error

func (*LinuxBridgeEndpointClient) SetupContainerInterfaces added in v1.0.8 

func (client *LinuxBridgeEndpointClient) SetupContainerInterfaces(epInfo *EndpointInfo) error

type Namespace 

type Namespace struct {
	// contains filtered or unexported fields
}

Namespace represents a network namespace.

func GetCurrentThreadNamespace 

func GetCurrentThreadNamespace() (*Namespace, error)

GetCurrentThreadNamespace returns the caller thread's current namespace.

func OpenNamespace 

func OpenNamespace(nsPath string) (*Namespace, error)

OpenNamespace creates a new namespace object for the given netns path.

func (*Namespace) Close 

func (ns *Namespace) Close() error

Close releases the resources associated with the namespace object.

func (*Namespace) Enter 

func (ns *Namespace) Enter() error

Enter puts the caller thread inside the namespace.

func (*Namespace) Exit 

func (ns *Namespace) Exit() error

Exit puts the caller thread to its previous namespace.

func (*Namespace) GetFd 

func (ns *Namespace) GetFd() uintptr

GetFd returns the file descriptor of the namespace.

type NetworkClient added in v1.0.8 

type NetworkClient interface {
	CreateBridge() error
	DeleteBridge() error
	AddL2Rules(extIf *externalInterface) error
	DeleteL2Rules(extIf *externalInterface)
	SetBridgeMasterToHostInterface() error
	SetHairpinOnHostInterface(bool) error
}

type NetworkInfo 

type NetworkInfo struct {
	MasterIfName                  string
	Id                            string
	Mode                          string
	Subnets                       []SubnetInfo
	DNS                           DNSInfo
	Policies                      []policy.Policy
	BridgeName                    string
	EnableSnatOnHost              bool
	NetNs                         string
	Options                       map[string]interface{}
	DisableHairpinOnHostInterface bool
}

NetworkInfo contains read-only information about a container network.

type NetworkManager 

type NetworkManager interface {
	Initialize(config *common.PluginConfig) error
	Uninitialize()

	AddExternalInterface(ifName string, subnet string) error

	CreateNetwork(nwInfo *NetworkInfo) error
	DeleteNetwork(networkId string) error
	GetNetworkInfo(networkId string) (*NetworkInfo, error)

	CreateEndpoint(networkId string, epInfo *EndpointInfo) error
	DeleteEndpoint(networkId string, endpointId string) error
	GetEndpointInfo(networkId string, endpointId string) (*EndpointInfo, error)
	GetEndpointInfoBasedOnPODDetails(networkId string, podName string, podNameSpace string, doExactMatchForPodName bool) (*EndpointInfo, error)
	AttachEndpoint(networkId string, endpointId string, sandboxKey string) (*endpoint, error)
	DetachEndpoint(networkId string, endpointId string) error
	UpdateEndpoint(networkId string, existingEpInfo *EndpointInfo, targetEpInfo *EndpointInfo) error
	GetNumberOfEndpoints(ifName string, networkId string) int
}

NetworkManager API.

func NewNetworkManager 

func NewNetworkManager() (NetworkManager, error)

Creates a new network manager.

type OVSEndpointClient added in v1.0.8 

type OVSEndpointClient struct {
	// contains filtered or unexported fields
}

func NewOVSEndpointClient added in v1.0.8 

func NewOVSEndpointClient(
	nw *network,
	epInfo *EndpointInfo,
	hostVethName string,
	containerVethName string,
	vlanid int,
	localIP string) *OVSEndpointClient

func (*OVSEndpointClient) AddEndpointRules added in v1.0.8 

func (client *OVSEndpointClient) AddEndpointRules(epInfo *EndpointInfo) error

func (*OVSEndpointClient) AddEndpoints added in v1.0.8 

func (client *OVSEndpointClient) AddEndpoints(epInfo *EndpointInfo) error

func (*OVSEndpointClient) ConfigureContainerInterfacesAndRoutes added in v1.0.8 

func (client *OVSEndpointClient) ConfigureContainerInterfacesAndRoutes(epInfo *EndpointInfo) error

func (*OVSEndpointClient) DeleteEndpointRules added in v1.0.8 

func (client *OVSEndpointClient) DeleteEndpointRules(ep *endpoint)

func (*OVSEndpointClient) DeleteEndpoints added in v1.0.8 

func (client *OVSEndpointClient) DeleteEndpoints(ep *endpoint) error

func (*OVSEndpointClient) MoveEndpointsToContainerNS added in v1.0.8 

func (client *OVSEndpointClient) MoveEndpointsToContainerNS(epInfo *EndpointInfo, nsID uintptr) error

func (*OVSEndpointClient) SetupContainerInterfaces added in v1.0.8 

func (client *OVSEndpointClient) SetupContainerInterfaces(epInfo *EndpointInfo) error

type OVSNetworkClient added in v1.0.8 

type OVSNetworkClient struct {
	// contains filtered or unexported fields
}

func NewOVSClient added in v1.0.8 

func NewOVSClient(bridgeName, hostInterfaceName string) *OVSNetworkClient

func (*OVSNetworkClient) AddL2Rules added in v1.0.8 

func (client *OVSNetworkClient) AddL2Rules(extIf *externalInterface) error

func (*OVSNetworkClient) CreateBridge added in v1.0.8 

func (client *OVSNetworkClient) CreateBridge() error

func (*OVSNetworkClient) DeleteBridge added in v1.0.8 

func (client *OVSNetworkClient) DeleteBridge() error

func (*OVSNetworkClient) DeleteL2Rules added in v1.0.8 

func (client *OVSNetworkClient) DeleteL2Rules(extIf *externalInterface)

func (*OVSNetworkClient) SetBridgeMasterToHostInterface added in v1.0.8 

func (client *OVSNetworkClient) SetBridgeMasterToHostInterface() error

func (*OVSNetworkClient) SetHairpinOnHostInterface added in v1.0.8 

func (client *OVSNetworkClient) SetHairpinOnHostInterface(enable bool) error

type RouteInfo 

type RouteInfo struct {
	Dst      net.IPNet
	Src      net.IP
	Gw       net.IP
	Protocol int
	DevName  string
	Scope    int
}

RouteInfo contains information about an IP route.

type SubnetInfo 

type SubnetInfo struct {
	Family  platform.AddressFamily
	Prefix  net.IPNet
	Gateway net.IP
}

SubnetInfo contains subnet information for a container network.

type TransparentEndpointClient added in v1.0.16 

type TransparentEndpointClient struct {
	// contains filtered or unexported fields
}

func NewTransparentEndpointClient added in v1.0.16 

func NewTransparentEndpointClient(
	extIf *externalInterface,
	hostVethName string,
	containerVethName string,
	mode string,
) *TransparentEndpointClient

func (*TransparentEndpointClient) AddEndpointRules added in v1.0.16 

func (client *TransparentEndpointClient) AddEndpointRules(epInfo *EndpointInfo) error

func (*TransparentEndpointClient) AddEndpoints added in v1.0.16 

func (client *TransparentEndpointClient) AddEndpoints(epInfo *EndpointInfo) error

func (*TransparentEndpointClient) ConfigureContainerInterfacesAndRoutes added in v1.0.16 

func (client *TransparentEndpointClient) ConfigureContainerInterfacesAndRoutes(epInfo *EndpointInfo) error

func (*TransparentEndpointClient) DeleteEndpointRules added in v1.0.16 

func (client *TransparentEndpointClient) DeleteEndpointRules(ep *endpoint)

func (*TransparentEndpointClient) DeleteEndpoints added in v1.0.16 

func (client *TransparentEndpointClient) DeleteEndpoints(ep *endpoint) error

func (*TransparentEndpointClient) MoveEndpointsToContainerNS added in v1.0.16 

func (client *TransparentEndpointClient) MoveEndpointsToContainerNS(epInfo *EndpointInfo, nsID uintptr) error

func (*TransparentEndpointClient) SetupContainerInterfaces added in v1.0.16 

func (client *TransparentEndpointClient) SetupContainerInterfaces(epInfo *EndpointInfo) error

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