forked from microsoft/hcsshim
/
hnsfuncs.go
152 lines (128 loc) · 4.14 KB
/
hnsfuncs.go
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package hcsshim
import (
"encoding/json"
"fmt"
"net"
"github.com/Sirupsen/logrus"
)
type NatPolicy struct {
Type string
Protocol string
InternalPort uint16
ExternalPort uint16
}
type QosPolicy struct {
Type string
MaximumOutgoingBandwidthInBytes uint64
}
type VlanPolicy struct {
Type string
VLAN uint
}
type VsidPolicy struct {
Type string
VSID uint
}
// Subnet is assoicated with a network and represents a list
// of subnets available to the network
type Subnet struct {
AddressPrefix string `json:",omitempty"`
GatewayAddress string `json:",omitempty"`
Policies []json.RawMessage `json:",omitempty"`
}
// MacPool is assoicated with a network and represents a list
// of macaddresses available to the network
type MacPool struct {
StartMacAddress string `json:",omitempty"`
EndMacAddress string `json:",omitempty"`
}
// HNSNetwork represents a network in HNS
type HNSNetwork struct {
Id string `json:",omitempty"`
Name string `json:",omitempty"`
Type string `json:",omitempty"`
NetworkAdapterName string `json:",omitempty"`
SourceMac string `json:",omitempty"`
Policies []json.RawMessage `json:",omitempty"`
MacPools []MacPool `json:",omitempty"`
Subnets []Subnet `json:",omitempty"`
DNSSuffix string `json:",omitempty"`
DNSServerList string `json:",omitempty"`
DNSServerCompartment uint32 `json:",omitempty"`
}
// HNSEndpoint represents a network endpoint in HNS
type HNSEndpoint struct {
Id string `json:",omitempty"`
Name string `json:",omitempty"`
VirtualNetwork string `json:",omitempty"`
VirtualNetworkName string `json:",omitempty"`
Policies []json.RawMessage `json:",omitempty"`
MacAddress string `json:",omitempty"`
IPAddress net.IP `json:",omitempty"`
DNSSuffix string `json:",omitempty"`
DNSServerList string `json:",omitempty"`
GatewayAddress string `json:",omitempty"`
EnableInternalDNS bool `json:",omitempty"`
PrefixLength uint8 `json:",omitempty"`
}
type hnsNetworkResponse struct {
Success bool
Error string
Output HNSNetwork
}
type hnsResponse struct {
Success bool
Error string
Output json.RawMessage
}
func hnsCall(method, path, request string, returnResponse interface{}) error {
var responseBuffer *uint16
err := _hnsCall(method, path, request, &responseBuffer)
if err != nil {
return makeError(err, "hnsCall ", "")
}
response := convertAndFreeCoTaskMemString(responseBuffer)
hnsresponse := &hnsResponse{}
if err = json.Unmarshal([]byte(response), &hnsresponse); err != nil {
return err
}
if !hnsresponse.Success {
return fmt.Errorf("HNS failed with error : %s", hnsresponse.Error)
}
if len(hnsresponse.Output) == 0 {
return nil
}
logrus.Debugf("Network Response : %s", hnsresponse.Output)
err = json.Unmarshal(hnsresponse.Output, returnResponse)
if err != nil {
return err
}
return nil
}
// HNSNetworkRequest makes a call into HNS to update/query a single network
func HNSNetworkRequest(method, path, request string) (*HNSNetwork, error) {
var network HNSNetwork
err := hnsCall(method, "/networks/"+path, request, &network)
if err != nil {
return nil, err
}
return &network, nil
}
// HNSListNetworkRequest makes a HNS call to query the list of available networks
func HNSListNetworkRequest(method, path, request string) ([]HNSNetwork, error) {
var network []HNSNetwork
err := hnsCall(method, "/networks/"+path, request, &network)
if err != nil {
return nil, err
}
return network, nil
}
// HNSEndpointRequest makes a HNS call to modify/query a network endpoint
func HNSEndpointRequest(method, path, request string) (*HNSEndpoint, error) {
endpoint := &HNSEndpoint{}
err := hnsCall(method, "/endpoints/"+path, request, &endpoint)
if err != nil {
return nil, err
}
return endpoint, nil
}