Initial windows runtime work
Signed-off-by: Kenfe-Mickael Laventure <mickael.laventure@gmail.com>
This commit is contained in:
Kenfe-Mickael Laventure
271
vendor/github.com/Microsoft/hcsshim/hnsfuncs.go
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vendored
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271
vendor/github.com/Microsoft/hcsshim/hnsfuncs.go
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package hcsshim
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import (
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"encoding/json"
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"fmt"
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"net"
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"github.com/Sirupsen/logrus"
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)
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type NatPolicy struct {
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Type string
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Protocol string
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InternalPort uint16
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ExternalPort uint16
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}
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type QosPolicy struct {
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Type string
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MaximumOutgoingBandwidthInBytes uint64
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}
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type VlanPolicy struct {
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Type string
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VLAN uint
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}
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type VsidPolicy struct {
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Type string
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VSID uint
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}
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type PaPolicy struct {
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Type string
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PA string
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}
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// Subnet is assoicated with a network and represents a list
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// of subnets available to the network
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type Subnet struct {
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AddressPrefix string `json:",omitempty"`
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GatewayAddress string `json:",omitempty"`
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Policies []json.RawMessage `json:",omitempty"`
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}
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// MacPool is assoicated with a network and represents a list
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// of macaddresses available to the network
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type MacPool struct {
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StartMacAddress string `json:",omitempty"`
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EndMacAddress string `json:",omitempty"`
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}
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// HNSNetwork represents a network in HNS
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type HNSNetwork struct {
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Id string `json:"ID,omitempty"`
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Name string `json:",omitempty"`
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Type string `json:",omitempty"`
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NetworkAdapterName string `json:",omitempty"`
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SourceMac string `json:",omitempty"`
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Policies []json.RawMessage `json:",omitempty"`
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MacPools []MacPool `json:",omitempty"`
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Subnets []Subnet `json:",omitempty"`
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DNSSuffix string `json:",omitempty"`
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DNSServerList string `json:",omitempty"`
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DNSServerCompartment uint32 `json:",omitempty"`
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ManagementIP string `json:",omitempty"`
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}
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// HNSEndpoint represents a network endpoint in HNS
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type HNSEndpoint struct {
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Id string `json:"ID,omitempty"`
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Name string `json:",omitempty"`
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VirtualNetwork string `json:",omitempty"`
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VirtualNetworkName string `json:",omitempty"`
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Policies []json.RawMessage `json:",omitempty"`
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MacAddress string `json:",omitempty"`
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IPAddress net.IP `json:",omitempty"`
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DNSSuffix string `json:",omitempty"`
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DNSServerList string `json:",omitempty"`
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GatewayAddress string `json:",omitempty"`
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EnableInternalDNS bool `json:",omitempty"`
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DisableICC bool `json:",omitempty"`
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PrefixLength uint8 `json:",omitempty"`
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IsRemoteEndpoint bool `json:",omitempty"`
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}
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type hnsNetworkResponse struct {
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Success bool
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Error string
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Output HNSNetwork
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}
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type hnsResponse struct {
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Success bool
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Error string
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Output json.RawMessage
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}
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func hnsCall(method, path, request string, returnResponse interface{}) error {
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var responseBuffer *uint16
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logrus.Debugf("[%s]=>[%s] Request : %s", method, path, request)
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err := _hnsCall(method, path, request, &responseBuffer)
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if err != nil {
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return makeError(err, "hnsCall ", "")
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}
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response := convertAndFreeCoTaskMemString(responseBuffer)
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hnsresponse := &hnsResponse{}
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if err = json.Unmarshal([]byte(response), &hnsresponse); err != nil {
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return err
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}
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if !hnsresponse.Success {
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return fmt.Errorf("HNS failed with error : %s", hnsresponse.Error)
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}
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if len(hnsresponse.Output) == 0 {
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return nil
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}
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logrus.Debugf("Network Response : %s", hnsresponse.Output)
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err = json.Unmarshal(hnsresponse.Output, returnResponse)
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if err != nil {
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return err
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}
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return nil
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}
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// HNSNetworkRequest makes a call into HNS to update/query a single network
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func HNSNetworkRequest(method, path, request string) (*HNSNetwork, error) {
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var network HNSNetwork
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err := hnsCall(method, "/networks/"+path, request, &network)
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if err != nil {
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return nil, err
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}
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return &network, nil
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}
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// HNSListNetworkRequest makes a HNS call to query the list of available networks
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func HNSListNetworkRequest(method, path, request string) ([]HNSNetwork, error) {
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var network []HNSNetwork
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err := hnsCall(method, "/networks/"+path, request, &network)
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if err != nil {
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return nil, err
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}
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return network, nil
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}
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// HNSEndpointRequest makes a HNS call to modify/query a network endpoint
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func HNSEndpointRequest(method, path, request string) (*HNSEndpoint, error) {
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endpoint := &HNSEndpoint{}
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err := hnsCall(method, "/endpoints/"+path, request, &endpoint)
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if err != nil {
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return nil, err
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}
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return endpoint, nil
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}
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// HNSListEndpointRequest makes a HNS call to query the list of available endpoints
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func HNSListEndpointRequest() ([]HNSEndpoint, error) {
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var endpoint []HNSEndpoint
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err := hnsCall("GET", "/endpoints/", "", &endpoint)
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if err != nil {
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return nil, err
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}
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return endpoint, nil
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}
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// HotAttachEndpoint makes a HCS Call to attach the endpoint to the container
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func HotAttachEndpoint(containerID string, endpointID string) error {
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return modifyNetworkEndpoint(containerID, endpointID, Add)
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}
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// HotDetachEndpoint makes a HCS Call to detach the endpoint from the container
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func HotDetachEndpoint(containerID string, endpointID string) error {
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return modifyNetworkEndpoint(containerID, endpointID, Remove)
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}
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// ModifyContainer corresponding to the container id, by sending a request
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func modifyContainer(id string, request *ResourceModificationRequestResponse) error {
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container, err := OpenContainer(id)
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if err != nil {
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if IsNotExist(err) {
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return ErrComputeSystemDoesNotExist
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}
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return getInnerError(err)
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}
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defer container.Close()
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err = container.Modify(request)
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if err != nil {
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if IsNotSupported(err) {
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return ErrPlatformNotSupported
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}
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return getInnerError(err)
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}
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return nil
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}
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func modifyNetworkEndpoint(containerID string, endpointID string, request RequestType) error {
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requestMessage := &ResourceModificationRequestResponse{
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Resource: Network,
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Request: request,
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Data: endpointID,
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}
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err := modifyContainer(containerID, requestMessage)
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if err != nil {
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return err
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}
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return nil
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}
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// GetHNSNetworkByID
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func GetHNSNetworkByID(networkID string) (*HNSNetwork, error) {
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return HNSNetworkRequest("GET", networkID, "")
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}
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// GetHNSNetworkName filtered by Name
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func GetHNSNetworkByName(networkName string) (*HNSNetwork, error) {
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hsnnetworks, err := HNSListNetworkRequest("GET", "", "")
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if err != nil {
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return nil, err
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}
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for _, hnsnetwork := range hsnnetworks {
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if hnsnetwork.Name == networkName {
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return &hnsnetwork, nil
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}
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}
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return nil, fmt.Errorf("Network %v not found", networkName)
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}
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// Create Endpoint by sending EndpointRequest to HNS. TODO: Create a separate HNS interface to place all these methods
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func (endpoint *HNSEndpoint) Create() (*HNSEndpoint, error) {
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jsonString, err := json.Marshal(endpoint)
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if err != nil {
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return nil, err
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}
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return HNSEndpointRequest("POST", "", string(jsonString))
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}
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// Create Endpoint by sending EndpointRequest to HNS
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func (endpoint *HNSEndpoint) Delete() (*HNSEndpoint, error) {
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return HNSEndpointRequest("DELETE", endpoint.Id, "")
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}
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// GetHNSEndpointByID
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func GetHNSEndpointByID(endpointID string) (*HNSEndpoint, error) {
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return HNSEndpointRequest("GET", endpointID, "")
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}
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// GetHNSNetworkName filtered by Name
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func GetHNSEndpointByName(endpointName string) (*HNSEndpoint, error) {
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hnsResponse, err := HNSListEndpointRequest()
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if err != nil {
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return nil, err
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}
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for _, hnsEndpoint := range hnsResponse {
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if hnsEndpoint.Name == endpointName {
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return &hnsEndpoint, nil
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}
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}
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return nil, fmt.Errorf("Endpoint %v not found", endpointName)
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}
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