Bump microsoft/hcsshim to v0.8.7

Signed-off-by: ulyssessouza <ulyssessouza@gmail.com>

vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go

@@ -3,6 +3,7 @@ package hns
 import (
 	"encoding/json"
 	"net"
+	"strings"
 
 	"github.com/sirupsen/logrus"
 )
@@ -94,6 +95,27 @@ func GetHNSEndpointByName(endpointName string) (*HNSEndpoint, error) {
 	return nil, EndpointNotFoundError{EndpointName: endpointName}
 }
 
+type endpointAttachInfo struct {
+	SharedContainers json.RawMessage `json:",omitempty"`
+}
+
+func (endpoint *HNSEndpoint) IsAttached(vID string) (bool, error) {
+	attachInfo := endpointAttachInfo{}
+	err := hnsCall("GET", "/endpoints/"+endpoint.Id, "", &attachInfo)
+
+	// Return false allows us to just return the err
+	if err != nil {
+		return false, err
+	}
+
+	if strings.Contains(strings.ToLower(string(attachInfo.SharedContainers)), strings.ToLower(vID)) {
+		return true, nil
+	}
+
+	return false, nil
+
+}
+
 // Create Endpoint by sending EndpointRequest to HNS. TODO: Create a separate HNS interface to place all these methods
 func (endpoint *HNSEndpoint) Create() (*HNSEndpoint, error) {
 	operation := "Create"

vendor/github.com/Microsoft/hcsshim/internal/hns/hnsfuncs.go

@@ -9,23 +9,30 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-func hnsCall(method, path, request string, returnResponse interface{}) error {
+func hnsCallRawResponse(method, path, request string) (*hnsResponse, error) {
 	var responseBuffer *uint16
 	logrus.Debugf("[%s]=>[%s] Request : %s", method, path, request)
 
 	err := _hnsCall(method, path, request, &responseBuffer)
 	if err != nil {
-		return hcserror.New(err, "hnsCall ", "")
+		return nil, hcserror.New(err, "hnsCall ", "")
 	}
 	response := interop.ConvertAndFreeCoTaskMemString(responseBuffer)
 
 	hnsresponse := &hnsResponse{}
 	if err = json.Unmarshal([]byte(response), &hnsresponse); err != nil {
-		return err
+		return nil, err
 	}
+	return hnsresponse, nil
+}
 
+func hnsCall(method, path, request string, returnResponse interface{}) error {
+	hnsresponse, err := hnsCallRawResponse(method, path, request)
+	if err != nil {
+		return fmt.Errorf("failed during hnsCallRawResponse: %v", err)
+	}
 	if !hnsresponse.Success {
-		return fmt.Errorf("HNS failed with error : %s", hnsresponse.Error)
+		return fmt.Errorf("hns failed with error : %s", hnsresponse.Error)
 	}
 
 	if len(hnsresponse.Output) == 0 {

vendor/github.com/Microsoft/hcsshim/internal/hns/hnsnetwork.go

@@ -2,9 +2,9 @@ package hns
 
 import (
 	"encoding/json"
-	"net"
-
+	"errors"
 	"github.com/sirupsen/logrus"
+	"net"
 )
 
 // Subnet is assoicated with a network and represents a list
@@ -98,6 +98,12 @@ func (network *HNSNetwork) Create() (*HNSNetwork, error) {
 	title := "hcsshim::HNSNetwork::" + operation
 	logrus.Debugf(title+" id=%s", network.Id)
 
+	for _, subnet := range network.Subnets {
+		if (subnet.AddressPrefix != "") && (subnet.GatewayAddress == "") {
+			return nil, errors.New("network create error, subnet has address prefix but no gateway specified")
+		}
+	}
+
 	jsonString, err := json.Marshal(network)
 	if err != nil {
 		return nil, err

vendor/github.com/Microsoft/hcsshim/internal/hns/hnspolicy.go

@@ -55,8 +55,9 @@ type PaPolicy struct {
 
 type OutboundNatPolicy struct {
 	Policy
-	VIP        string   `json:"VIP,omitempty"`
-	Exceptions []string `json:"ExceptionList,omitempty"`
+	VIP          string   `json:"VIP,omitempty"`
+	Exceptions   []string `json:"ExceptionList,omitempty"`
+	Destinations []string `json:",omitempty"`
 }
 
 type ActionType string