Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/BUILD

@@ -0,0 +1,61 @@
+package(default_visibility = ["//visibility:public"])
+
+licenses(["notice"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_binary",
+    "go_library",
+    "go_test",
+    "cgo_library",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "azure.go",
+        "azure_blob.go",
+        "azure_instances.go",
+        "azure_loadbalancer.go",
+        "azure_routes.go",
+        "azure_storage.go",
+        "azure_storageaccount.go",
+        "azure_util.go",
+        "azure_wrap.go",
+        "azure_zones.go",
+        "vhd.go",
+    ],
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/v1:go_default_library",
+        "//pkg/api/v1/service:go_default_library",
+        "//pkg/cloudprovider:go_default_library",
+        "//pkg/types:go_default_library",
+        "//pkg/util/errors:go_default_library",
+        "//vendor:github.com/Azure/azure-sdk-for-go/arm/compute",
+        "//vendor:github.com/Azure/azure-sdk-for-go/arm/network",
+        "//vendor:github.com/Azure/azure-sdk-for-go/arm/storage",
+        "//vendor:github.com/Azure/azure-sdk-for-go/storage",
+        "//vendor:github.com/Azure/go-autorest/autorest",
+        "//vendor:github.com/Azure/go-autorest/autorest/azure",
+        "//vendor:github.com/Azure/go-autorest/autorest/to",
+        "//vendor:github.com/ghodss/yaml",
+        "//vendor:github.com/golang/glog",
+        "//vendor:github.com/rubiojr/go-vhd/vhd",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["azure_test.go"],
+    library = "go_default_library",
+    tags = ["automanaged"],
+    deps = [
+        "//pkg/api/v1:go_default_library",
+        "//pkg/api/v1/service:go_default_library",
+        "//pkg/types:go_default_library",
+        "//vendor:github.com/Azure/azure-sdk-for-go/arm/compute",
+        "//vendor:github.com/Azure/azure-sdk-for-go/arm/network",
+        "//vendor:github.com/Azure/go-autorest/autorest/to",
+    ],
+)

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/OWNERS

@@ -0,0 +1,3 @@
+assignees:
+  - colemickens
+  - brendandburns

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure.go

@@ -0,0 +1,178 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"io"
+	"io/ioutil"
+
+	"k8s.io/kubernetes/pkg/cloudprovider"
+
+	"github.com/Azure/azure-sdk-for-go/arm/compute"
+	"github.com/Azure/azure-sdk-for-go/arm/network"
+	"github.com/Azure/azure-sdk-for-go/arm/storage"
+	"github.com/Azure/go-autorest/autorest/azure"
+	"github.com/ghodss/yaml"
+)
+
+// CloudProviderName is the value used for the --cloud-provider flag
+const CloudProviderName = "azure"
+
+// Config holds the configuration parsed from the --cloud-config flag
+type Config struct {
+	Cloud                      string `json:"cloud" yaml:"cloud"`
+	TenantID                   string `json:"tenantId" yaml:"tenantId"`
+	SubscriptionID             string `json:"subscriptionId" yaml:"subscriptionId"`
+	ResourceGroup              string `json:"resourceGroup" yaml:"resourceGroup"`
+	Location                   string `json:"location" yaml:"location"`
+	VnetName                   string `json:"vnetName" yaml:"vnetName"`
+	SubnetName                 string `json:"subnetName" yaml:"subnetName"`
+	SecurityGroupName          string `json:"securityGroupName" yaml:"securityGroupName"`
+	RouteTableName             string `json:"routeTableName" yaml:"routeTableName"`
+	PrimaryAvailabilitySetName string `json:"primaryAvailabilitySetName" yaml:"primaryAvailabilitySetName"`
+
+	AADClientID     string `json:"aadClientId" yaml:"aadClientId"`
+	AADClientSecret string `json:"aadClientSecret" yaml:"aadClientSecret"`
+	AADTenantID     string `json:"aadTenantId" yaml:"aadTenantId"`
+}
+
+// Cloud holds the config and clients
+type Cloud struct {
+	Config
+	Environment             azure.Environment
+	RoutesClient            network.RoutesClient
+	SubnetsClient           network.SubnetsClient
+	InterfacesClient        network.InterfacesClient
+	RouteTablesClient       network.RouteTablesClient
+	LoadBalancerClient      network.LoadBalancersClient
+	PublicIPAddressesClient network.PublicIPAddressesClient
+	SecurityGroupsClient    network.SecurityGroupsClient
+	VirtualMachinesClient   compute.VirtualMachinesClient
+	StorageAccountClient    storage.AccountsClient
+}
+
+func init() {
+	cloudprovider.RegisterCloudProvider(CloudProviderName, NewCloud)
+}
+
+// NewCloud returns a Cloud with initialized clients
+func NewCloud(configReader io.Reader) (cloudprovider.Interface, error) {
+	var az Cloud
+
+	configContents, err := ioutil.ReadAll(configReader)
+	if err != nil {
+		return nil, err
+	}
+	err = yaml.Unmarshal(configContents, &az)
+	if err != nil {
+		return nil, err
+	}
+
+	if az.Cloud == "" {
+		az.Environment = azure.PublicCloud
+	} else {
+		az.Environment, err = azure.EnvironmentFromName(az.Cloud)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	oauthConfig, err := az.Environment.OAuthConfigForTenant(az.TenantID)
+	if err != nil {
+		return nil, err
+	}
+
+	servicePrincipalToken, err := azure.NewServicePrincipalToken(
+		*oauthConfig,
+		az.AADClientID,
+		az.AADClientSecret,
+		az.Environment.ServiceManagementEndpoint)
+	if err != nil {
+		return nil, err
+	}
+
+	az.SubnetsClient = network.NewSubnetsClient(az.SubscriptionID)
+	az.SubnetsClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.SubnetsClient.Authorizer = servicePrincipalToken
+
+	az.RouteTablesClient = network.NewRouteTablesClient(az.SubscriptionID)
+	az.RouteTablesClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.RouteTablesClient.Authorizer = servicePrincipalToken
+
+	az.RoutesClient = network.NewRoutesClient(az.SubscriptionID)
+	az.RoutesClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.RoutesClient.Authorizer = servicePrincipalToken
+
+	az.InterfacesClient = network.NewInterfacesClient(az.SubscriptionID)
+	az.InterfacesClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.InterfacesClient.Authorizer = servicePrincipalToken
+
+	az.LoadBalancerClient = network.NewLoadBalancersClient(az.SubscriptionID)
+	az.LoadBalancerClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.LoadBalancerClient.Authorizer = servicePrincipalToken
+
+	az.VirtualMachinesClient = compute.NewVirtualMachinesClient(az.SubscriptionID)
+	az.VirtualMachinesClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.VirtualMachinesClient.Authorizer = servicePrincipalToken
+
+	az.PublicIPAddressesClient = network.NewPublicIPAddressesClient(az.SubscriptionID)
+	az.PublicIPAddressesClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.PublicIPAddressesClient.Authorizer = servicePrincipalToken
+
+	az.SecurityGroupsClient = network.NewSecurityGroupsClient(az.SubscriptionID)
+	az.SecurityGroupsClient.BaseURI = az.Environment.ResourceManagerEndpoint
+	az.SecurityGroupsClient.Authorizer = servicePrincipalToken
+
+	az.StorageAccountClient = storage.NewAccountsClientWithBaseURI(az.Environment.ResourceManagerEndpoint, az.SubscriptionID)
+	az.StorageAccountClient.Authorizer = servicePrincipalToken
+	return &az, nil
+}
+
+// LoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.
+func (az *Cloud) LoadBalancer() (cloudprovider.LoadBalancer, bool) {
+	return az, true
+}
+
+// Instances returns an instances interface. Also returns true if the interface is supported, false otherwise.
+func (az *Cloud) Instances() (cloudprovider.Instances, bool) {
+	return az, true
+}
+
+// Zones returns a zones interface. Also returns true if the interface is supported, false otherwise.
+func (az *Cloud) Zones() (cloudprovider.Zones, bool) {
+	return az, true
+}
+
+// Clusters returns a clusters interface.  Also returns true if the interface is supported, false otherwise.
+func (az *Cloud) Clusters() (cloudprovider.Clusters, bool) {
+	return nil, false
+}
+
+// Routes returns a routes interface along with whether the interface is supported.
+func (az *Cloud) Routes() (cloudprovider.Routes, bool) {
+	return az, true
+}
+
+// ScrubDNS provides an opportunity for cloud-provider-specific code to process DNS settings for pods.
+func (az *Cloud) ScrubDNS(nameservers, searches []string) (nsOut, srchOut []string) {
+	return nameservers, searches
+}
+
+// ProviderName returns the cloud provider ID.
+func (az *Cloud) ProviderName() string {
+	return CloudProviderName
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_blob.go

@@ -0,0 +1,99 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"fmt"
+	"regexp"
+
+	azs "github.com/Azure/azure-sdk-for-go/storage"
+)
+
+const (
+	vhdContainerName = "vhds"
+	useHTTPS         = true
+	blobServiceName  = "blob"
+)
+
+// create page blob
+func (az *Cloud) createVhdBlob(accountName, accountKey, name string, sizeGB int64, tags map[string]string) (string, string, error) {
+	blobClient, err := az.getBlobClient(accountName, accountKey)
+	if err != nil {
+		return "", "", err
+	}
+	size := 1024 * 1024 * 1024 * sizeGB
+	vhdSize := size + vhdHeaderSize /* header size */
+	// Blob name in URL must end with '.vhd' extension.
+	name = name + ".vhd"
+	err = blobClient.PutPageBlob(vhdContainerName, name, vhdSize, tags)
+	if err != nil {
+		return "", "", fmt.Errorf("failed to put page blob: %v", err)
+	}
+	// add VHD signature to the blob
+	h, err := createVHDHeader(uint64(size))
+	if err != nil {
+		az.deleteVhdBlob(accountName, accountKey, name)
+		return "", "", fmt.Errorf("failed to create vhd header, err: %v", err)
+	}
+	if err = blobClient.PutPage(vhdContainerName, name, size, vhdSize-1, azs.PageWriteTypeUpdate, h[:vhdHeaderSize], nil); err != nil {
+		az.deleteVhdBlob(accountName, accountKey, name)
+		return "", "", fmt.Errorf("failed to update vhd header, err: %v", err)
+	}
+
+	scheme := "http"
+	if useHTTPS {
+		scheme = "https"
+	}
+	host := fmt.Sprintf("%s://%s.%s.%s", scheme, accountName, blobServiceName, az.Environment.StorageEndpointSuffix)
+	uri := fmt.Sprintf("%s/%s/%s", host, vhdContainerName, name)
+	return name, uri, nil
+
+}
+
+// delete a vhd blob
+func (az *Cloud) deleteVhdBlob(accountName, accountKey, blobName string) error {
+	blobClient, err := az.getBlobClient(accountName, accountKey)
+	if err == nil {
+		return blobClient.DeleteBlob(vhdContainerName, blobName, nil)
+	}
+	return err
+}
+
+func (az *Cloud) getBlobClient(accountName, accountKey string) (*azs.BlobStorageClient, error) {
+	client, err := azs.NewClient(accountName, accountKey, az.Environment.StorageEndpointSuffix, azs.DefaultAPIVersion, useHTTPS)
+	if err != nil {
+		return nil, fmt.Errorf("error creating azure client: %v", err)
+	}
+	b := client.GetBlobService()
+	return &b, nil
+}
+
+// get uri https://foo.blob.core.windows.net/vhds/bar.vhd and return foo (account) and bar.vhd (blob name)
+func (az *Cloud) getBlobNameAndAccountFromURI(uri string) (string, string, error) {
+	scheme := "http"
+	if useHTTPS {
+		scheme = "https"
+	}
+	host := fmt.Sprintf("%s://(.*).%s.%s", scheme, blobServiceName, az.Environment.StorageEndpointSuffix)
+	reStr := fmt.Sprintf("%s/%s/(.*)", host, vhdContainerName)
+	re := regexp.MustCompile(reStr)
+	res := re.FindSubmatch([]byte(uri))
+	if len(res) < 3 {
+		return "", "", fmt.Errorf("invalid vhd URI for regex %s: %s", reStr, uri)
+	}
+	return string(res[1]), string(res[2]), nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_instances.go

@@ -0,0 +1,159 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"fmt"
+	"regexp"
+
+	"k8s.io/kubernetes/pkg/api/v1"
+	"k8s.io/kubernetes/pkg/cloudprovider"
+
+	"github.com/Azure/azure-sdk-for-go/arm/compute"
+	"k8s.io/kubernetes/pkg/types"
+)
+
+// NodeAddresses returns the addresses of the specified instance.
+func (az *Cloud) NodeAddresses(name types.NodeName) ([]v1.NodeAddress, error) {
+	ip, err := az.getIPForMachine(name)
+	if err != nil {
+		return nil, err
+	}
+
+	return []v1.NodeAddress{
+		{Type: v1.NodeInternalIP, Address: ip},
+		{Type: v1.NodeHostName, Address: string(name)},
+	}, nil
+}
+
+// ExternalID returns the cloud provider ID of the specified instance (deprecated).
+func (az *Cloud) ExternalID(name types.NodeName) (string, error) {
+	return az.InstanceID(name)
+}
+
+// InstanceID returns the cloud provider ID of the specified instance.
+// Note that if the instance does not exist or is no longer running, we must return ("", cloudprovider.InstanceNotFound)
+func (az *Cloud) InstanceID(name types.NodeName) (string, error) {
+	machine, exists, err := az.getVirtualMachine(name)
+	if err != nil {
+		return "", err
+	} else if !exists {
+		return "", cloudprovider.InstanceNotFound
+	}
+	return *machine.ID, nil
+}
+
+// InstanceType returns the type of the specified instance.
+// Note that if the instance does not exist or is no longer running, we must return ("", cloudprovider.InstanceNotFound)
+// (Implementer Note): This is used by kubelet. Kubelet will label the node. Real log from kubelet:
+//       Adding node label from cloud provider: beta.kubernetes.io/instance-type=[value]
+func (az *Cloud) InstanceType(name types.NodeName) (string, error) {
+	machine, exists, err := az.getVirtualMachine(name)
+	if err != nil {
+		return "", err
+	} else if !exists {
+		return "", cloudprovider.InstanceNotFound
+	}
+	return string(machine.Properties.HardwareProfile.VMSize), nil
+}
+
+// List lists instances that match 'filter' which is a regular expression which must match the entire instance name (fqdn)
+func (az *Cloud) List(filter string) ([]types.NodeName, error) {
+	allNodes, err := az.listAllNodesInResourceGroup()
+	if err != nil {
+		return nil, err
+	}
+
+	filteredNodes, err := filterNodes(allNodes, filter)
+	if err != nil {
+		return nil, err
+	}
+
+	nodeNames := make([]types.NodeName, len(filteredNodes))
+	for i, v := range filteredNodes {
+		nodeNames[i] = types.NodeName(*v.Name)
+	}
+
+	return nodeNames, nil
+}
+
+// AddSSHKeyToAllInstances adds an SSH public key as a legal identity for all instances
+// expected format for the key is standard ssh-keygen format: <protocol> <blob>
+func (az *Cloud) AddSSHKeyToAllInstances(user string, keyData []byte) error {
+	return fmt.Errorf("not supported")
+}
+
+// CurrentNodeName returns the name of the node we are currently running on
+// On most clouds (e.g. GCE) this is the hostname, so we provide the hostname
+func (az *Cloud) CurrentNodeName(hostname string) (types.NodeName, error) {
+	return types.NodeName(hostname), nil
+}
+
+func (az *Cloud) listAllNodesInResourceGroup() ([]compute.VirtualMachine, error) {
+	allNodes := []compute.VirtualMachine{}
+
+	result, err := az.VirtualMachinesClient.List(az.ResourceGroup)
+	if err != nil {
+		return nil, err
+	}
+
+	morePages := (result.Value != nil && len(*result.Value) > 1)
+
+	for morePages {
+		allNodes = append(allNodes, *result.Value...)
+
+		result, err = az.VirtualMachinesClient.ListAllNextResults(result)
+		if err != nil {
+			return nil, err
+		}
+
+		morePages = (result.Value != nil && len(*result.Value) > 1)
+	}
+
+	return allNodes, nil
+
+}
+
+func filterNodes(nodes []compute.VirtualMachine, filter string) ([]compute.VirtualMachine, error) {
+	filteredNodes := []compute.VirtualMachine{}
+
+	re, err := regexp.Compile(filter)
+	if err != nil {
+		return nil, err
+	}
+
+	for _, node := range nodes {
+		// search tags
+		if re.MatchString(*node.Name) {
+			filteredNodes = append(filteredNodes, node)
+		}
+	}
+
+	return filteredNodes, nil
+}
+
+// mapNodeNameToVMName maps a k8s NodeName to an Azure VM Name
+// This is a simple string cast.
+func mapNodeNameToVMName(nodeName types.NodeName) string {
+	return string(nodeName)
+}
+
+// mapVMNameToNodeName maps an Azure VM Name to a k8s NodeName
+// This is a simple string cast.
+func mapVMNameToNodeName(vmName string) types.NodeName {
+	return types.NodeName(vmName)
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_routes.go

@@ -0,0 +1,162 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"fmt"
+
+	"k8s.io/kubernetes/pkg/cloudprovider"
+
+	"github.com/Azure/azure-sdk-for-go/arm/network"
+	"github.com/Azure/go-autorest/autorest/to"
+	"github.com/golang/glog"
+	"k8s.io/kubernetes/pkg/types"
+)
+
+// ListRoutes lists all managed routes that belong to the specified clusterName
+func (az *Cloud) ListRoutes(clusterName string) (routes []*cloudprovider.Route, err error) {
+	glog.V(10).Infof("list: START clusterName=%q", clusterName)
+	routeTable, existsRouteTable, err := az.getRouteTable()
+	if err != nil {
+		return nil, err
+	}
+	if !existsRouteTable {
+		return []*cloudprovider.Route{}, nil
+	}
+
+	var kubeRoutes []*cloudprovider.Route
+	if routeTable.Properties.Routes != nil {
+		kubeRoutes = make([]*cloudprovider.Route, len(*routeTable.Properties.Routes))
+		for i, route := range *routeTable.Properties.Routes {
+			instance := mapRouteNameToNodeName(*route.Name)
+			cidr := *route.Properties.AddressPrefix
+			glog.V(10).Infof("list: * instance=%q, cidr=%q", instance, cidr)
+
+			kubeRoutes[i] = &cloudprovider.Route{
+				Name:            *route.Name,
+				TargetNode:      instance,
+				DestinationCIDR: cidr,
+			}
+		}
+	}
+
+	glog.V(10).Info("list: FINISH")
+	return kubeRoutes, nil
+}
+
+// CreateRoute creates the described managed route
+// route.Name will be ignored, although the cloud-provider may use nameHint
+// to create a more user-meaningful name.
+func (az *Cloud) CreateRoute(clusterName string, nameHint string, kubeRoute *cloudprovider.Route) error {
+	glog.V(2).Infof("create: creating route. clusterName=%q instance=%q cidr=%q", clusterName, kubeRoute.TargetNode, kubeRoute.DestinationCIDR)
+
+	routeTable, existsRouteTable, err := az.getRouteTable()
+	if err != nil {
+		return err
+	}
+	if !existsRouteTable {
+		routeTable = network.RouteTable{
+			Name:       to.StringPtr(az.RouteTableName),
+			Location:   to.StringPtr(az.Location),
+			Properties: &network.RouteTablePropertiesFormat{},
+		}
+
+		glog.V(3).Infof("create: creating routetable. routeTableName=%q", az.RouteTableName)
+		_, err = az.RouteTablesClient.CreateOrUpdate(az.ResourceGroup, az.RouteTableName, routeTable, nil)
+		if err != nil {
+			return err
+		}
+
+		routeTable, err = az.RouteTablesClient.Get(az.ResourceGroup, az.RouteTableName, "")
+		if err != nil {
+			return err
+		}
+	}
+
+	// ensure the subnet is properly configured
+	subnet, err := az.SubnetsClient.Get(az.ResourceGroup, az.VnetName, az.SubnetName, "")
+	if err != nil {
+		// 404 is fatal here
+		return err
+	}
+	if subnet.Properties.RouteTable != nil {
+		if *subnet.Properties.RouteTable.ID != *routeTable.ID {
+			return fmt.Errorf("The subnet has a route table, but it was unrecognized. Refusing to modify it. active_routetable=%q expected_routetable=%q", *subnet.Properties.RouteTable.ID, *routeTable.ID)
+		}
+	} else {
+		subnet.Properties.RouteTable = &network.RouteTable{
+			ID: routeTable.ID,
+		}
+		glog.V(3).Info("create: updating subnet")
+		_, err := az.SubnetsClient.CreateOrUpdate(az.ResourceGroup, az.VnetName, az.SubnetName, subnet, nil)
+		if err != nil {
+			return err
+		}
+	}
+
+	targetIP, err := az.getIPForMachine(kubeRoute.TargetNode)
+	if err != nil {
+		return err
+	}
+
+	routeName := mapNodeNameToRouteName(kubeRoute.TargetNode)
+	route := network.Route{
+		Name: to.StringPtr(routeName),
+		Properties: &network.RoutePropertiesFormat{
+			AddressPrefix:    to.StringPtr(kubeRoute.DestinationCIDR),
+			NextHopType:      network.RouteNextHopTypeVirtualAppliance,
+			NextHopIPAddress: to.StringPtr(targetIP),
+		},
+	}
+
+	glog.V(3).Infof("create: creating route: instance=%q cidr=%q", kubeRoute.TargetNode, kubeRoute.DestinationCIDR)
+	_, err = az.RoutesClient.CreateOrUpdate(az.ResourceGroup, az.RouteTableName, *route.Name, route, nil)
+	if err != nil {
+		return err
+	}
+
+	glog.V(2).Infof("create: route created. clusterName=%q instance=%q cidr=%q", clusterName, kubeRoute.TargetNode, kubeRoute.DestinationCIDR)
+	return nil
+}
+
+// DeleteRoute deletes the specified managed route
+// Route should be as returned by ListRoutes
+func (az *Cloud) DeleteRoute(clusterName string, kubeRoute *cloudprovider.Route) error {
+	glog.V(2).Infof("delete: deleting route. clusterName=%q instance=%q cidr=%q", clusterName, kubeRoute.TargetNode, kubeRoute.DestinationCIDR)
+
+	routeName := mapNodeNameToRouteName(kubeRoute.TargetNode)
+	_, err := az.RoutesClient.Delete(az.ResourceGroup, az.RouteTableName, routeName, nil)
+	if err != nil {
+		return err
+	}
+
+	glog.V(2).Infof("delete: route deleted. clusterName=%q instance=%q cidr=%q", clusterName, kubeRoute.TargetNode, kubeRoute.DestinationCIDR)
+	return nil
+}
+
+// This must be kept in sync with mapRouteNameToNodeName.
+// These two functions enable stashing the instance name in the route
+// and then retrieving it later when listing. This is needed because
+// Azure does not let you put tags/descriptions on the Route itself.
+func mapNodeNameToRouteName(nodeName types.NodeName) string {
+	return fmt.Sprintf("%s", nodeName)
+}
+
+// Used with mapNodeNameToRouteName. See comment on mapNodeNameToRouteName.
+func mapRouteNameToNodeName(routeName string) types.NodeName {
+	return types.NodeName(fmt.Sprintf("%s", routeName))
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_storage.go

@@ -0,0 +1,243 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/Azure/azure-sdk-for-go/arm/compute"
+	"github.com/golang/glog"
+	"k8s.io/kubernetes/pkg/cloudprovider"
+	"k8s.io/kubernetes/pkg/types"
+)
+
+const (
+	maxLUN = 64 // max number of LUNs per VM
+)
+
+// AttachDisk attaches a vhd to vm
+// the vhd must exist, can be identified by diskName, diskURI, and lun.
+func (az *Cloud) AttachDisk(diskName, diskURI string, nodeName types.NodeName, lun int32, cachingMode compute.CachingTypes) error {
+	vm, exists, err := az.getVirtualMachine(nodeName)
+	if err != nil {
+		return err
+	} else if !exists {
+		return cloudprovider.InstanceNotFound
+	}
+	disks := *vm.Properties.StorageProfile.DataDisks
+	disks = append(disks,
+		compute.DataDisk{
+			Name: &diskName,
+			Vhd: &compute.VirtualHardDisk{
+				URI: &diskURI,
+			},
+			Lun:          &lun,
+			Caching:      cachingMode,
+			CreateOption: "attach",
+		})
+
+	newVM := compute.VirtualMachine{
+		Location: vm.Location,
+		Properties: &compute.VirtualMachineProperties{
+			StorageProfile: &compute.StorageProfile{
+				DataDisks: &disks,
+			},
+		},
+	}
+	vmName := mapNodeNameToVMName(nodeName)
+	_, err = az.VirtualMachinesClient.CreateOrUpdate(az.ResourceGroup, vmName, newVM, nil)
+	if err != nil {
+		glog.Errorf("azure attach failed, err: %v", err)
+		detail := err.Error()
+		if strings.Contains(detail, "Code=\"AcquireDiskLeaseFailed\"") {
+			// if lease cannot be acquired, immediately detach the disk and return the original error
+			glog.Infof("failed to acquire disk lease, try detach")
+			az.DetachDiskByName(diskName, diskURI, nodeName)
+		}
+	} else {
+		glog.V(4).Infof("azure attach succeeded")
+	}
+	return err
+}
+
+// DisksAreAttached checks if a list of volumes are attached to the node with the specified NodeName
+func (az *Cloud) DisksAreAttached(diskNames []string, nodeName types.NodeName) (map[string]bool, error) {
+	attached := make(map[string]bool)
+	for _, diskName := range diskNames {
+		attached[diskName] = false
+	}
+	vm, exists, err := az.getVirtualMachine(nodeName)
+	if !exists {
+		// if host doesn't exist, no need to detach
+		glog.Warningf("Cannot find node %q, DisksAreAttached will assume disks %v are not attached to it.",
+			nodeName, diskNames)
+		return attached, nil
+	} else if err != nil {
+		return attached, err
+	}
+
+	disks := *vm.Properties.StorageProfile.DataDisks
+	for _, disk := range disks {
+		for _, diskName := range diskNames {
+			if disk.Name != nil && diskName != "" && *disk.Name == diskName {
+				attached[diskName] = true
+			}
+		}
+	}
+
+	return attached, nil
+}
+
+// DetachDiskByName detaches a vhd from host
+// the vhd can be identified by diskName or diskURI
+func (az *Cloud) DetachDiskByName(diskName, diskURI string, nodeName types.NodeName) error {
+	vm, exists, err := az.getVirtualMachine(nodeName)
+	if err != nil || !exists {
+		// if host doesn't exist, no need to detach
+		glog.Warningf("cannot find node %s, skip detaching disk %s", nodeName, diskName)
+		return nil
+	}
+
+	disks := *vm.Properties.StorageProfile.DataDisks
+	for i, disk := range disks {
+		if (disk.Name != nil && diskName != "" && *disk.Name == diskName) || (disk.Vhd.URI != nil && diskURI != "" && *disk.Vhd.URI == diskURI) {
+			// found the disk
+			glog.V(4).Infof("detach disk: name %q uri %q", diskName, diskURI)
+			disks = append(disks[:i], disks[i+1:]...)
+			break
+		}
+	}
+	newVM := compute.VirtualMachine{
+		Location: vm.Location,
+		Properties: &compute.VirtualMachineProperties{
+			StorageProfile: &compute.StorageProfile{
+				DataDisks: &disks,
+			},
+		},
+	}
+	vmName := mapNodeNameToVMName(nodeName)
+	_, err = az.VirtualMachinesClient.CreateOrUpdate(az.ResourceGroup, vmName, newVM, nil)
+	if err != nil {
+		glog.Errorf("azure disk detach failed, err: %v", err)
+	} else {
+		glog.V(4).Infof("azure disk detach succeeded")
+	}
+	return err
+}
+
+// GetDiskLun finds the lun on the host that the vhd is attached to, given a vhd's diskName and diskURI
+func (az *Cloud) GetDiskLun(diskName, diskURI string, nodeName types.NodeName) (int32, error) {
+	vm, exists, err := az.getVirtualMachine(nodeName)
+	if err != nil {
+		return -1, err
+	} else if !exists {
+		return -1, cloudprovider.InstanceNotFound
+	}
+	disks := *vm.Properties.StorageProfile.DataDisks
+	for _, disk := range disks {
+		if disk.Lun != nil && (disk.Name != nil && diskName != "" && *disk.Name == diskName) || (disk.Vhd.URI != nil && diskURI != "" && *disk.Vhd.URI == diskURI) {
+			// found the disk
+			glog.V(4).Infof("find disk: lun %d name %q uri %q", *disk.Lun, diskName, diskURI)
+			return *disk.Lun, nil
+		}
+	}
+	return -1, fmt.Errorf("Cannot find Lun for disk %s", diskName)
+}
+
+// GetNextDiskLun searches all vhd attachment on the host and find unused lun
+// return -1 if all luns are used
+func (az *Cloud) GetNextDiskLun(nodeName types.NodeName) (int32, error) {
+	vm, exists, err := az.getVirtualMachine(nodeName)
+	if err != nil {
+		return -1, err
+	} else if !exists {
+		return -1, cloudprovider.InstanceNotFound
+	}
+	used := make([]bool, maxLUN)
+	disks := *vm.Properties.StorageProfile.DataDisks
+	for _, disk := range disks {
+		if disk.Lun != nil {
+			used[*disk.Lun] = true
+		}
+	}
+	for k, v := range used {
+		if !v {
+			return int32(k), nil
+		}
+	}
+	return -1, fmt.Errorf("All Luns are used")
+}
+
+// CreateVolume creates a VHD blob in a storage account that has storageType and location using the given storage account.
+// If no storage account is given, search all the storage accounts associated with the resource group and pick one that
+// fits storage type and location.
+func (az *Cloud) CreateVolume(name, storageAccount, storageType, location string, requestGB int) (string, string, int, error) {
+	var err error
+	accounts := []accountWithLocation{}
+	if len(storageAccount) > 0 {
+		accounts = append(accounts, accountWithLocation{Name: storageAccount})
+	} else {
+		// find a storage account
+		accounts, err = az.getStorageAccounts()
+		if err != nil {
+			// TODO: create a storage account and container
+			return "", "", 0, err
+		}
+	}
+	for _, account := range accounts {
+		glog.V(4).Infof("account %s type %s location %s", account.Name, account.StorageType, account.Location)
+		if ((storageType == "" || account.StorageType == storageType) && (location == "" || account.Location == location)) || len(storageAccount) > 0 {
+			// find the access key with this account
+			key, err := az.getStorageAccesskey(account.Name)
+			if err != nil {
+				glog.V(2).Infof("no key found for storage account %s", account.Name)
+				continue
+			}
+
+			// create a page blob in this account's vhd container
+			name, uri, err := az.createVhdBlob(account.Name, key, name, int64(requestGB), nil)
+			if err != nil {
+				glog.V(2).Infof("failed to create vhd in account %s: %v", account.Name, err)
+				continue
+			}
+			glog.V(4).Infof("created vhd blob uri: %s", uri)
+			return name, uri, requestGB, err
+		}
+	}
+	return "", "", 0, fmt.Errorf("failed to find a matching storage account")
+}
+
+// DeleteVolume deletes a VHD blob
+func (az *Cloud) DeleteVolume(name, uri string) error {
+	accountName, blob, err := az.getBlobNameAndAccountFromURI(uri)
+	if err != nil {
+		return fmt.Errorf("failed to parse vhd URI %v", err)
+	}
+	key, err := az.getStorageAccesskey(accountName)
+	if err != nil {
+		return fmt.Errorf("no key for storage account %s, err %v", accountName, err)
+	}
+	err = az.deleteVhdBlob(accountName, key, blob)
+	if err != nil {
+		glog.Warningf("failed to delete blob %s err: %v", uri, err)
+		return fmt.Errorf("failed to delete vhd %v, account %s, blob %s, err: %v", uri, accountName, blob, err)
+	}
+	glog.V(4).Infof("blob %s deleted", uri)
+	return nil
+
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_storageaccount.go

@@ -0,0 +1,77 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"fmt"
+	"strings"
+)
+
+type accountWithLocation struct {
+	Name, StorageType, Location string
+}
+
+// getStorageAccounts gets the storage accounts' name, type, location in a resource group
+func (az *Cloud) getStorageAccounts() ([]accountWithLocation, error) {
+	result, err := az.StorageAccountClient.ListByResourceGroup(az.ResourceGroup)
+	if err != nil {
+		return nil, err
+	}
+	if result.Value == nil {
+		return nil, fmt.Errorf("no storage accounts from resource group %s", az.ResourceGroup)
+	}
+
+	accounts := []accountWithLocation{}
+	for _, acct := range *result.Value {
+		if acct.Name != nil {
+			name := *acct.Name
+			loc := ""
+			if acct.Location != nil {
+				loc = *acct.Location
+			}
+			storageType := ""
+			if acct.Sku != nil {
+				storageType = string((*acct.Sku).Name)
+			}
+			accounts = append(accounts, accountWithLocation{Name: name, StorageType: storageType, Location: loc})
+		}
+	}
+
+	return accounts, nil
+}
+
+// getStorageAccesskey gets the storage account access key
+func (az *Cloud) getStorageAccesskey(account string) (string, error) {
+	result, err := az.StorageAccountClient.ListKeys(az.ResourceGroup, account)
+	if err != nil {
+		return "", err
+	}
+	if result.Keys == nil {
+		return "", fmt.Errorf("empty keys")
+	}
+
+	for _, k := range *result.Keys {
+		if k.Value != nil && *k.Value != "" {
+			v := *k.Value
+			if ind := strings.LastIndex(v, " "); ind >= 0 {
+				v = v[(ind + 1):]
+			}
+			return v, nil
+		}
+	}
+	return "", fmt.Errorf("no valid keys")
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_util.go

@@ -0,0 +1,250 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"fmt"
+	"strings"
+
+	"k8s.io/kubernetes/pkg/api/v1"
+	"k8s.io/kubernetes/pkg/cloudprovider"
+
+	"github.com/Azure/azure-sdk-for-go/arm/compute"
+	"github.com/Azure/azure-sdk-for-go/arm/network"
+	"k8s.io/kubernetes/pkg/types"
+)
+
+const (
+	loadBalancerMinimumPriority = 500
+	loadBalancerMaximumPriority = 4096
+
+	machineIDTemplate           = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Compute/virtualMachines/%s"
+	availabilitySetIDTemplate   = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Compute/availabilitySets/%s"
+	frontendIPConfigIDTemplate  = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/frontendIPConfigurations/%s"
+	backendPoolIDTemplate       = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/backendAddressPools/%s"
+	loadBalancerRuleIDTemplate  = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/loadBalancingRules/%s"
+	loadBalancerProbeIDTemplate = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/loadBalancers/%s/probes/%s"
+	securityRuleIDTemplate      = "/subscriptions/%s/resourceGroups/%s/providers/Microsoft.Network/networkSecurityGroups/%s/securityRules/%s"
+)
+
+// returns the full identifier of a machine
+func (az *Cloud) getMachineID(machineName string) string {
+	return fmt.Sprintf(
+		machineIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		machineName)
+}
+
+// returns the full identifier of an availabilitySet
+func (az *Cloud) getAvailabilitySetID(availabilitySetName string) string {
+	return fmt.Sprintf(
+		availabilitySetIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		availabilitySetName)
+}
+
+// returns the full identifier of a loadbalancer frontendipconfiguration.
+func (az *Cloud) getFrontendIPConfigID(lbName, backendPoolName string) string {
+	return fmt.Sprintf(
+		frontendIPConfigIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		lbName,
+		backendPoolName)
+}
+
+// returns the full identifier of a loadbalancer backendpool.
+func (az *Cloud) getBackendPoolID(lbName, backendPoolName string) string {
+	return fmt.Sprintf(
+		backendPoolIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		lbName,
+		backendPoolName)
+}
+
+// returns the full identifier of a loadbalancer rule.
+func (az *Cloud) getLoadBalancerRuleID(lbName, lbRuleName string) string {
+	return fmt.Sprintf(
+		loadBalancerRuleIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		lbName,
+		lbRuleName)
+}
+
+// returns the full identifier of a loadbalancer probe.
+func (az *Cloud) getLoadBalancerProbeID(lbName, lbRuleName string) string {
+	return fmt.Sprintf(
+		loadBalancerProbeIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		lbName,
+		lbRuleName)
+}
+
+// returns the full identifier of a network security group security rule.
+func (az *Cloud) getSecurityRuleID(securityRuleName string) string {
+	return fmt.Sprintf(
+		securityRuleIDTemplate,
+		az.SubscriptionID,
+		az.ResourceGroup,
+		az.SecurityGroupName,
+		securityRuleName)
+}
+
+// returns the deepest child's identifier from a full identifier string.
+func getLastSegment(ID string) (string, error) {
+	parts := strings.Split(ID, "/")
+	name := parts[len(parts)-1]
+	if len(name) == 0 {
+		return "", fmt.Errorf("resource name was missing from identifier")
+	}
+
+	return name, nil
+}
+
+// returns the equivalent LoadBalancerRule, SecurityRule and LoadBalancerProbe
+// protocol types for the given Kubernetes protocol type.
+func getProtocolsFromKubernetesProtocol(protocol v1.Protocol) (network.TransportProtocol, network.SecurityRuleProtocol, network.ProbeProtocol, error) {
+	switch protocol {
+	case v1.ProtocolTCP:
+		return network.TransportProtocolTCP, network.TCP, network.ProbeProtocolTCP, nil
+	default:
+		return "", "", "", fmt.Errorf("Only TCP is supported for Azure LoadBalancers")
+	}
+}
+
+// This returns the full identifier of the primary NIC for the given VM.
+func getPrimaryInterfaceID(machine compute.VirtualMachine) (string, error) {
+	if len(*machine.Properties.NetworkProfile.NetworkInterfaces) == 1 {
+		return *(*machine.Properties.NetworkProfile.NetworkInterfaces)[0].ID, nil
+	}
+
+	for _, ref := range *machine.Properties.NetworkProfile.NetworkInterfaces {
+		if *ref.Properties.Primary {
+			return *ref.ID, nil
+		}
+	}
+
+	return "", fmt.Errorf("failed to find a primary nic for the vm. vmname=%q", *machine.Name)
+}
+
+func getPrimaryIPConfig(nic network.Interface) (*network.InterfaceIPConfiguration, error) {
+	if len(*nic.Properties.IPConfigurations) == 1 {
+		return &((*nic.Properties.IPConfigurations)[0]), nil
+	}
+
+	for _, ref := range *nic.Properties.IPConfigurations {
+		if *ref.Properties.Primary {
+			return &ref, nil
+		}
+	}
+
+	return nil, fmt.Errorf("failed to determine the determine primary ipconfig. nicname=%q", *nic.Name)
+}
+
+func getLoadBalancerName(clusterName string) string {
+	return clusterName
+}
+
+func getBackendPoolName(clusterName string) string {
+	return clusterName
+}
+
+func getRuleName(service *v1.Service, port v1.ServicePort) string {
+	return fmt.Sprintf("%s-%s-%d-%d", getRulePrefix(service), port.Protocol, port.Port, port.NodePort)
+}
+
+// This returns a human-readable version of the Service used to tag some resources.
+// This is only used for human-readable convenience, and not to filter.
+func getServiceName(service *v1.Service) string {
+	return fmt.Sprintf("%s/%s", service.Namespace, service.Name)
+}
+
+// This returns a prefix for loadbalancer/security rules.
+func getRulePrefix(service *v1.Service) string {
+	return cloudprovider.GetLoadBalancerName(service)
+}
+
+func serviceOwnsRule(service *v1.Service, rule string) bool {
+	prefix := getRulePrefix(service)
+	return strings.HasPrefix(strings.ToUpper(rule), strings.ToUpper(prefix))
+}
+
+func getFrontendIPConfigName(service *v1.Service) string {
+	return cloudprovider.GetLoadBalancerName(service)
+}
+
+func getPublicIPName(clusterName string, service *v1.Service) string {
+	return fmt.Sprintf("%s-%s", clusterName, cloudprovider.GetLoadBalancerName(service))
+}
+
+// This returns the next available rule priority level for a given set of security rules.
+func getNextAvailablePriority(rules []network.SecurityRule) (int32, error) {
+	var smallest int32 = loadBalancerMinimumPriority
+	var spread int32 = 1
+
+outer:
+	for smallest < loadBalancerMaximumPriority {
+		for _, rule := range rules {
+			if *rule.Properties.Priority == smallest {
+				smallest += spread
+				continue outer
+			}
+		}
+		// no one else had it
+		return smallest, nil
+	}
+
+	return -1, fmt.Errorf("SecurityGroup priorities are exhausted")
+}
+
+func (az *Cloud) getIPForMachine(nodeName types.NodeName) (string, error) {
+	machine, exists, err := az.getVirtualMachine(nodeName)
+	if !exists {
+		return "", cloudprovider.InstanceNotFound
+	}
+	if err != nil {
+		return "", err
+	}
+
+	nicID, err := getPrimaryInterfaceID(machine)
+	if err != nil {
+		return "", err
+	}
+
+	nicName, err := getLastSegment(nicID)
+	if err != nil {
+		return "", err
+	}
+
+	nic, err := az.InterfacesClient.Get(az.ResourceGroup, nicName, "")
+	if err != nil {
+		return "", err
+	}
+
+	ipConfig, err := getPrimaryIPConfig(nic)
+	if err != nil {
+		return "", err
+	}
+
+	targetIP := *ipConfig.Properties.PrivateIPAddress
+	return targetIP, nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_wrap.go

@@ -0,0 +1,126 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"net/http"
+
+	"github.com/Azure/azure-sdk-for-go/arm/compute"
+	"github.com/Azure/azure-sdk-for-go/arm/network"
+	"github.com/Azure/go-autorest/autorest"
+	"k8s.io/kubernetes/pkg/types"
+)
+
+// checkExistsFromError inspects an error and returns a true if err is nil,
+// false if error is an autorest.Error with StatusCode=404 and will return the
+// error back if error is another status code or another type of error.
+func checkResourceExistsFromError(err error) (bool, error) {
+	if err == nil {
+		return true, nil
+	}
+	v, ok := err.(autorest.DetailedError)
+	if ok && v.StatusCode == http.StatusNotFound {
+		return false, nil
+	}
+	return false, v
+}
+
+func (az *Cloud) getVirtualMachine(nodeName types.NodeName) (vm compute.VirtualMachine, exists bool, err error) {
+	var realErr error
+
+	vmName := string(nodeName)
+	vm, err = az.VirtualMachinesClient.Get(az.ResourceGroup, vmName, "")
+
+	exists, realErr = checkResourceExistsFromError(err)
+	if realErr != nil {
+		return vm, false, realErr
+	}
+
+	if !exists {
+		return vm, false, nil
+	}
+
+	return vm, exists, err
+}
+
+func (az *Cloud) getRouteTable() (routeTable network.RouteTable, exists bool, err error) {
+	var realErr error
+
+	routeTable, err = az.RouteTablesClient.Get(az.ResourceGroup, az.RouteTableName, "")
+
+	exists, realErr = checkResourceExistsFromError(err)
+	if realErr != nil {
+		return routeTable, false, realErr
+	}
+
+	if !exists {
+		return routeTable, false, nil
+	}
+
+	return routeTable, exists, err
+}
+
+func (az *Cloud) getSecurityGroup() (sg network.SecurityGroup, exists bool, err error) {
+	var realErr error
+
+	sg, err = az.SecurityGroupsClient.Get(az.ResourceGroup, az.SecurityGroupName, "")
+
+	exists, realErr = checkResourceExistsFromError(err)
+	if realErr != nil {
+		return sg, false, realErr
+	}
+
+	if !exists {
+		return sg, false, nil
+	}
+
+	return sg, exists, err
+}
+
+func (az *Cloud) getAzureLoadBalancer(name string) (lb network.LoadBalancer, exists bool, err error) {
+	var realErr error
+
+	lb, err = az.LoadBalancerClient.Get(az.ResourceGroup, name, "")
+
+	exists, realErr = checkResourceExistsFromError(err)
+	if realErr != nil {
+		return lb, false, realErr
+	}
+
+	if !exists {
+		return lb, false, nil
+	}
+
+	return lb, exists, err
+}
+
+func (az *Cloud) getPublicIPAddress(name string) (pip network.PublicIPAddress, exists bool, err error) {
+	var realErr error
+
+	pip, err = az.PublicIPAddressesClient.Get(az.ResourceGroup, name, "")
+
+	exists, realErr = checkResourceExistsFromError(err)
+	if realErr != nil {
+		return pip, false, realErr
+	}
+
+	if !exists {
+		return pip, false, nil
+	}
+
+	return pip, exists, err
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/azure_zones.go

@@ -0,0 +1,78 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"encoding/json"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"sync"
+
+	"k8s.io/kubernetes/pkg/cloudprovider"
+)
+
+const instanceInfoURL = "http://169.254.169.254/metadata/v1/InstanceInfo"
+
+var faultMutex = &sync.Mutex{}
+var faultDomain *string
+
+type instanceInfo struct {
+	ID           string `json:"ID"`
+	UpdateDomain string `json:"UD"`
+	FaultDomain  string `json:"FD"`
+}
+
+// GetZone returns the Zone containing the current failure zone and locality region that the program is running in
+func (az *Cloud) GetZone() (cloudprovider.Zone, error) {
+	faultMutex.Lock()
+	if faultDomain == nil {
+		var err error
+		faultDomain, err = fetchFaultDomain()
+		if err != nil {
+			return cloudprovider.Zone{}, err
+		}
+	}
+	zone := cloudprovider.Zone{
+		FailureDomain: *faultDomain,
+		Region:        az.Location,
+	}
+	faultMutex.Unlock()
+	return zone, nil
+}
+
+func fetchFaultDomain() (*string, error) {
+	resp, err := http.Get(instanceInfoURL)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	return readFaultDomain(resp.Body)
+}
+
+func readFaultDomain(reader io.Reader) (*string, error) {
+	var instanceInfo instanceInfo
+	body, err := ioutil.ReadAll(reader)
+	if err != nil {
+		return nil, err
+	}
+	err = json.Unmarshal(body, &instanceInfo)
+	if err != nil {
+		return nil, err
+	}
+	return &instanceInfo.FaultDomain, nil
+}

vendor/k8s.io/kubernetes/pkg/cloudprovider/providers/azure/vhd.go

@@ -0,0 +1,38 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package azure
+
+import (
+	"bytes"
+	"encoding/binary"
+
+	"github.com/rubiojr/go-vhd/vhd"
+)
+
+const (
+	vhdHeaderSize = vhd.VHD_HEADER_SIZE
+)
+
+func createVHDHeader(size uint64) ([]byte, error) {
+	h := vhd.CreateFixedHeader(size, &vhd.VHDOptions{})
+	b := new(bytes.Buffer)
+	err := binary.Write(b, binary.BigEndian, h)
+	if err != nil {
+		return nil, err
+	}
+	return b.Bytes(), nil
+}