azure

package
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Published: Feb 9, 2021 License: Apache-2.0 Imports: 62 Imported by: 0

Documentation

Index

Constants

View Source
const (
	// ServiceAnnotationLoadBalancerInternal is the annotation used on the service
	ServiceAnnotationLoadBalancerInternal = "service.beta.kubernetes.io/azure-load-balancer-internal"

	// ServiceAnnotationLoadBalancerInternalSubnet is the annotation used on the service
	// to specify what subnet it is exposed on
	ServiceAnnotationLoadBalancerInternalSubnet = "service.beta.kubernetes.io/azure-load-balancer-internal-subnet"

	// ServiceAnnotationLoadBalancerMode is the annotation used on the service to specify the
	// Azure load balancer selection based on availability sets
	// There are currently three possible load balancer selection modes :
	// 1. Default mode - service has no annotation ("service.beta.kubernetes.io/azure-load-balancer-mode")
	//	  In this case the Loadbalancer of the primary Availability set is selected
	// 2. "__auto__" mode - service is annotated with __auto__ value, this when loadbalancer from any availability set
	//    is selected which has the minimum rules associated with it.
	// 3. "as1,as2" mode - this is when the load balancer from the specified availability sets is selected that has the
	//    minimum rules associated with it.
	ServiceAnnotationLoadBalancerMode = "service.beta.kubernetes.io/azure-load-balancer-mode"

	// ServiceAnnotationLoadBalancerAutoModeValue is the annotation used on the service to specify the
	// Azure load balancer auto selection from the availability sets
	ServiceAnnotationLoadBalancerAutoModeValue = "__auto__"

	// ServiceAnnotationDNSLabelName is the annotation used on the service
	// to specify the DNS label name for the service.
	ServiceAnnotationDNSLabelName = "service.beta.kubernetes.io/azure-dns-label-name"

	// ServiceAnnotationSharedSecurityRule is the annotation used on the service
	// to specify that the service should be exposed using an Azure security rule
	// that may be shared with other service, trading specificity of rules for an
	// increase in the number of services that can be exposed. This relies on the
	// Azure "augmented security rules" feature.
	ServiceAnnotationSharedSecurityRule = "service.beta.kubernetes.io/azure-shared-securityrule"

	// ServiceAnnotationLoadBalancerResourceGroup is the annotation used on the service
	// to specify the resource group of load balancer objects that are not in the same resource group as the cluster.
	ServiceAnnotationLoadBalancerResourceGroup = "service.beta.kubernetes.io/azure-load-balancer-resource-group"

	// ServiceAnnotationPIPName specifies the pip that will be applied to load balancer
	ServiceAnnotationPIPName = "service.beta.kubernetes.io/azure-pip-name"

	// ServiceAnnotationAllowedServiceTag is the annotation used on the service
	// to specify a list of allowed service tags separated by comma
	// Refer https://docs.microsoft.com/en-us/azure/virtual-network/security-overview#service-tags for all supported service tags.
	ServiceAnnotationAllowedServiceTag = "service.beta.kubernetes.io/azure-allowed-service-tags"

	// ServiceAnnotationLoadBalancerIdleTimeout is the annotation used on the service
	// to specify the idle timeout for connections on the load balancer in minutes.
	ServiceAnnotationLoadBalancerIdleTimeout = "service.beta.kubernetes.io/azure-load-balancer-tcp-idle-timeout"

	// ServiceAnnotationLoadBalancerMixedProtocols is the annotation used on the service
	// to create both TCP and UDP protocols when creating load balancer rules.
	ServiceAnnotationLoadBalancerMixedProtocols = "service.beta.kubernetes.io/azure-load-balancer-mixed-protocols"

	// ServiceAnnotationLoadBalancerDisableTCPReset is the annotation used on the service
	// to set enableTcpReset to false in load balancer rule. This only works for Azure standard load balancer backed service.
	ServiceAnnotationLoadBalancerDisableTCPReset = "service.beta.kubernetes.io/azure-load-balancer-disable-tcp-reset"
)
View Source
const (
	// IPv6DualStack is here to avoid having to import features pkg
	// and violate import rules
	IPv6DualStack featuregate.Feature = "IPv6DualStack"

	// InternalLoadBalancerNameSuffix is load balancer posfix
	InternalLoadBalancerNameSuffix = "-internal"
)
View Source
const (
	// CloudProviderName is the value used for the --cloud-provider flag
	CloudProviderName = "azure"
)

Variables

View Source
var (
	// ErrorNotVmssInstance indicates an instance is not belongint to any vmss.
	ErrorNotVmssInstance = errors.New("not a vmss instance")
)

Functions

func MakeCRC32

func MakeCRC32(str string) string

MakeCRC32 : convert string to CRC32 format

func NewCloud

func NewCloud(configReader io.Reader) (cloudprovider.Interface, error)

NewCloud returns a Cloud with initialized clients

Types

type BlobDiskController

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

BlobDiskController : blob disk controller struct

func (*BlobDiskController) CreateBlobDisk

func (c *BlobDiskController) CreateBlobDisk(dataDiskName string, storageAccountType storage.SkuName, sizeGB int) (string, error)

CreateBlobDisk : create a blob disk in a node

func (*BlobDiskController) CreateVolume

func (c *BlobDiskController) CreateVolume(blobName, accountName, accountType, location string, requestGB int) (string, string, int, error)

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 (*BlobDiskController) DeleteBlobDisk

func (c *BlobDiskController) DeleteBlobDisk(diskURI string) error

DeleteBlobDisk : delete a blob disk from a node

func (*BlobDiskController) DeleteVolume

func (c *BlobDiskController) DeleteVolume(diskURI string) error

DeleteVolume deletes a VHD blob

type Cloud

type Cloud struct {
	Config
	Environment             azure.Environment
	RoutesClient            RoutesClient
	SubnetsClient           SubnetsClient
	InterfacesClient        InterfacesClient
	RouteTablesClient       RouteTablesClient
	LoadBalancerClient      LoadBalancersClient
	PublicIPAddressesClient PublicIPAddressesClient
	SecurityGroupsClient    SecurityGroupsClient
	VirtualMachinesClient   VirtualMachinesClient
	StorageAccountClient    StorageAccountClient
	DisksClient             DisksClient
	SnapshotsClient         *compute.SnapshotsClient
	FileClient              FileClient
	ResourceRequestBackoff  wait.Backoff

	// Clients for vmss.
	VirtualMachineScaleSetsClient   VirtualMachineScaleSetsClient
	VirtualMachineScaleSetVMsClient VirtualMachineScaleSetVMsClient

	// client for vm sizes list
	VirtualMachineSizesClient VirtualMachineSizesClient

	*BlobDiskController
	*ManagedDiskController
	// contains filtered or unexported fields
}

Cloud holds the config and clients

func (*Cloud) AddSSHKeyToAllInstances

func (az *Cloud) AddSSHKeyToAllInstances(ctx context.Context, user string, keyData []byte) error

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 (Cloud) AttachDisk

func (c Cloud) AttachDisk(isManagedDisk bool, diskName, diskURI string, nodeName types.NodeName, cachingMode compute.CachingTypes) (int32, error)

AttachDisk attaches a vhd to vm. The vhd must exist, can be identified by diskName, diskURI. return (lun, error)

func (*Cloud) Clusters

func (az *Cloud) Clusters() (cloudprovider.Clusters, bool)

Clusters returns a clusters interface. Also returns true if the interface is supported, false otherwise.

func (*Cloud) CreateFileShare

func (az *Cloud) CreateFileShare(shareName, accountName, accountType, accountKind, resourceGroup, location string, requestGiB int) (string, string, error)

CreateFileShare creates a file share, using a matching storage account type, account kind, etc. storage account will be created if specified account is not found

func (*Cloud) CreateOrUpdateInterface

func (az *Cloud) CreateOrUpdateInterface(service *v1.Service, nic network.Interface) error

CreateOrUpdateInterface invokes az.PublicIPAddressesClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdateLB

func (az *Cloud) CreateOrUpdateLB(service *v1.Service, lb network.LoadBalancer) error

CreateOrUpdateLB invokes az.LoadBalancerClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdatePIP

func (az *Cloud) CreateOrUpdatePIP(service *v1.Service, pipResourceGroup string, pip network.PublicIPAddress) error

CreateOrUpdatePIP invokes az.PublicIPAddressesClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdateRoute

func (az *Cloud) CreateOrUpdateRoute(route network.Route) error

CreateOrUpdateRoute invokes az.RoutesClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdateRouteTable

func (az *Cloud) CreateOrUpdateRouteTable(routeTable network.RouteTable) error

CreateOrUpdateRouteTable invokes az.RouteTablesClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdateSGWithRetry

func (az *Cloud) CreateOrUpdateSGWithRetry(service *v1.Service, sg network.SecurityGroup) error

CreateOrUpdateSGWithRetry invokes az.SecurityGroupsClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdateSecurityGroup

func (az *Cloud) CreateOrUpdateSecurityGroup(service *v1.Service, sg network.SecurityGroup) error

CreateOrUpdateSecurityGroup invokes az.SecurityGroupsClient.CreateOrUpdate with exponential backoff retry

func (*Cloud) CreateOrUpdateVmssWithRetry

func (az *Cloud) CreateOrUpdateVmssWithRetry(resourceGroupName string, VMScaleSetName string, parameters compute.VirtualMachineScaleSet) error

CreateOrUpdateVmssWithRetry invokes az.VirtualMachineScaleSetsClient.Update with exponential backoff retry

func (*Cloud) CreateRoute

func (az *Cloud) CreateRoute(ctx context.Context, clusterName string, nameHint string, kubeRoute *cloudprovider.Route) error

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 (*Cloud) CurrentNodeName

func (az *Cloud) CurrentNodeName(ctx context.Context, hostname string) (types.NodeName, error)

CurrentNodeName returns the name of the node we are currently running on. On Azure this is the hostname, so we just return the hostname.

func (*Cloud) DeleteFileShare

func (az *Cloud) DeleteFileShare(accountName, accountKey, shareName string) error

DeleteFileShare deletes a file share using storage account name and key

func (*Cloud) DeleteLB

func (az *Cloud) DeleteLB(service *v1.Service, lbName string) error

DeleteLB invokes az.LoadBalancerClient.Delete with exponential backoff retry

func (*Cloud) DeletePublicIP

func (az *Cloud) DeletePublicIP(service *v1.Service, pipResourceGroup string, pipName string) error

DeletePublicIP invokes az.PublicIPAddressesClient.Delete with exponential backoff retry

func (*Cloud) DeleteRoute

func (az *Cloud) DeleteRoute(ctx context.Context, clusterName string, kubeRoute *cloudprovider.Route) error

DeleteRoute deletes the specified managed route Route should be as returned by ListRoutes

func (*Cloud) DeleteRouteWithName

func (az *Cloud) DeleteRouteWithName(routeName string) error

DeleteRouteWithName invokes az.RoutesClient.CreateOrUpdate with exponential backoff retry

func (Cloud) DetachDisk

func (c Cloud) DetachDisk(diskName, diskURI string, nodeName types.NodeName) error

DetachDisk detaches a disk from host. The vhd can be identified by diskName or diskURI.

func (Cloud) DisksAreAttached

func (c Cloud) DisksAreAttached(diskNames []string, nodeName types.NodeName) (map[string]bool, error)

DisksAreAttached checks if a list of volumes are attached to the node with the specified NodeName.

func (*Cloud) EnsureLoadBalancer

func (az *Cloud) EnsureLoadBalancer(ctx context.Context, clusterName string, service *v1.Service, nodes []*v1.Node) (*v1.LoadBalancerStatus, error)

EnsureLoadBalancer creates a new load balancer 'name', or updates the existing one. Returns the status of the balancer

func (*Cloud) EnsureLoadBalancerDeleted

func (az *Cloud) EnsureLoadBalancerDeleted(ctx context.Context, clusterName string, service *v1.Service) error

EnsureLoadBalancerDeleted deletes the specified load balancer if it exists, returning nil if the load balancer specified either didn't exist or was successfully deleted. This construction is useful because many cloud providers' load balancers have multiple underlying components, meaning a Get could say that the LB doesn't exist even if some part of it is still laying around.

func (*Cloud) EnsureStorageAccount

func (az *Cloud) EnsureStorageAccount(accountName, accountType, accountKind, resourceGroup, location, genAccountNamePrefix string) (string, string, error)

EnsureStorageAccount search storage account, create one storage account(with genAccountNamePrefix) if not found, return accountName, accountKey

func (*Cloud) Event

func (az *Cloud) Event(obj runtime.Object, eventtype, reason, message string)

Event creates a event for the specified object.

func (*Cloud) GetActiveZones

func (az *Cloud) GetActiveZones() (sets.String, error)

GetActiveZones returns all the zones in which k8s nodes are currently running.

func (*Cloud) GetAzureDiskLabels

func (c *Cloud) GetAzureDiskLabels(diskURI string) (map[string]string, error)

GetAzureDiskLabels gets availability zone labels for Azuredisk.

func (Cloud) GetDiskLun

func (c Cloud) GetDiskLun(diskName, diskURI string, nodeName types.NodeName) (int32, error)

GetDiskLun finds the lun on the host that the vhd is attached to, given a vhd's diskName and diskURI.

func (*Cloud) GetIPForMachineWithRetry

func (az *Cloud) GetIPForMachineWithRetry(name types.NodeName) (string, string, error)

GetIPForMachineWithRetry invokes az.getIPForMachine with exponential backoff retry

func (*Cloud) GetLabelsForVolume

func (c *Cloud) GetLabelsForVolume(ctx context.Context, pv *v1.PersistentVolume) (map[string]string, error)

GetLabelsForVolume implements PVLabeler.GetLabelsForVolume

func (*Cloud) GetLoadBalancer

func (az *Cloud) GetLoadBalancer(ctx context.Context, clusterName string, service *v1.Service) (status *v1.LoadBalancerStatus, exists bool, err error)

GetLoadBalancer returns whether the specified load balancer and its components exist, and if so, what its status is.

func (*Cloud) GetLoadBalancerName

func (az *Cloud) GetLoadBalancerName(ctx context.Context, clusterName string, service *v1.Service) string

GetLoadBalancerName returns the LoadBalancer name.

func (*Cloud) GetLocation

func (az *Cloud) GetLocation() string

GetLocation returns the location in which k8s cluster is currently running.

func (Cloud) GetNextDiskLun

func (c Cloud) GetNextDiskLun(nodeName types.NodeName) (int32, error)

GetNextDiskLun searches all vhd attachment on the host and find unused lun. Return -1 if all luns are used.

func (*Cloud) GetNodeResourceGroup

func (az *Cloud) GetNodeResourceGroup(nodeName string) (string, error)

GetNodeResourceGroup gets resource group for given node.

func (*Cloud) GetResourceGroups

func (az *Cloud) GetResourceGroups() (sets.String, error)

GetResourceGroups returns a set of resource groups that all nodes are running on.

func (*Cloud) GetScaleSetWithRetry

func (az *Cloud) GetScaleSetWithRetry(service *v1.Service, resourceGroupName, vmssName string) (compute.VirtualMachineScaleSet, error)

GetScaleSetWithRetry gets scale set with exponential backoff retry

func (*Cloud) GetStorageAccesskey

func (az *Cloud) GetStorageAccesskey(account, resourceGroup string) (string, error)

GetStorageAccesskey gets the storage account access key

func (*Cloud) GetUnmanagedNodes

func (az *Cloud) GetUnmanagedNodes() (sets.String, error)

GetUnmanagedNodes returns a list of nodes not managed by Azure cloud provider (e.g. on-prem nodes).

func (*Cloud) GetVirtualMachineWithRetry

func (az *Cloud) GetVirtualMachineWithRetry(name types.NodeName, crt cacheReadType) (compute.VirtualMachine, error)

GetVirtualMachineWithRetry invokes az.getVirtualMachine with exponential backoff retry

func (*Cloud) GetZone

func (az *Cloud) GetZone(ctx context.Context) (cloudprovider.Zone, error)

GetZone returns the Zone containing the current availability zone and locality region that the program is running in. If the node is not running with availability zones, then it will fall back to fault domain.

func (*Cloud) GetZoneByNodeName

func (az *Cloud) GetZoneByNodeName(ctx context.Context, nodeName types.NodeName) (cloudprovider.Zone, error)

GetZoneByNodeName implements Zones.GetZoneByNodeName This is particularly useful in external cloud providers where the kubelet does not initialize node data.

func (*Cloud) GetZoneByProviderID

func (az *Cloud) GetZoneByProviderID(ctx context.Context, providerID string) (cloudprovider.Zone, error)

GetZoneByProviderID implements Zones.GetZoneByProviderID This is particularly useful in external cloud providers where the kubelet does not initialize node data.

func (*Cloud) GetZoneID

func (az *Cloud) GetZoneID(zoneLabel string) string

GetZoneID returns the ID of zone from node's zone label.

func (*Cloud) HasClusterID

func (az *Cloud) HasClusterID() bool

HasClusterID returns true if the cluster has a clusterID

func (*Cloud) Initialize

func (az *Cloud) Initialize(clientBuilder cloudprovider.ControllerClientBuilder, stop <-chan struct{})

Initialize passes a Kubernetes clientBuilder interface to the cloud provider

func (*Cloud) InitializeCloudFromConfig

func (az *Cloud) InitializeCloudFromConfig(config *Config, fromSecret bool) error

InitializeCloudFromConfig initializes the Cloud from config.

func (*Cloud) InitializeCloudFromSecret

func (az *Cloud) InitializeCloudFromSecret()

InitializeCloudFromSecret initializes Azure cloud provider from Kubernetes secret.

func (*Cloud) InstanceExistsByProviderID

func (az *Cloud) InstanceExistsByProviderID(ctx context.Context, providerID string) (bool, error)

InstanceExistsByProviderID returns true if the instance with the given provider id still exists and is running. If false is returned with no error, the instance will be immediately deleted by the cloud controller manager.

func (*Cloud) InstanceID

func (az *Cloud) InstanceID(ctx context.Context, name types.NodeName) (string, error)

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 (*Cloud) InstanceShutdownByProviderID

func (az *Cloud) InstanceShutdownByProviderID(ctx context.Context, providerID string) (bool, error)

InstanceShutdownByProviderID returns true if the instance is in safe state to detach volumes

func (*Cloud) InstanceType

func (az *Cloud) InstanceType(ctx context.Context, name types.NodeName) (string, error)

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 (*Cloud) InstanceTypeByProviderID

func (az *Cloud) InstanceTypeByProviderID(ctx context.Context, providerID string) (string, error)

InstanceTypeByProviderID returns the cloudprovider instance type of the node with the specified unique providerID This method will not be called from the node that is requesting this ID. i.e. metadata service and other local methods cannot be used here

func (*Cloud) Instances

func (az *Cloud) Instances() (cloudprovider.Instances, bool)

Instances returns an instances interface. Also returns true if the interface is supported, false otherwise.

func (*Cloud) IsNodeUnmanaged

func (az *Cloud) IsNodeUnmanaged(nodeName string) (bool, error)

IsNodeUnmanaged returns true if the node is not managed by Azure cloud provider. Those nodes includes on-prem or VMs from other clouds. They will not be added to load balancer backends. Azure routes and managed disks are also not supported for them.

func (*Cloud) IsNodeUnmanagedByProviderID

func (az *Cloud) IsNodeUnmanagedByProviderID(providerID string) bool

IsNodeUnmanagedByProviderID returns true if the node is not managed by Azure cloud provider. All managed node's providerIDs are in format 'azure:///subscriptions/<id>/resourceGroups/<rg>/providers/Microsoft.Compute/.*'

func (*Cloud) ListLB

func (az *Cloud) ListLB(service *v1.Service) ([]network.LoadBalancer, error)

ListLB invokes az.LoadBalancerClient.List with exponential backoff retry

func (*Cloud) ListPIP

func (az *Cloud) ListPIP(service *v1.Service, pipResourceGroup string) ([]network.PublicIPAddress, error)

ListPIP list the PIP resources in the given resource group

func (*Cloud) ListRoutes

func (az *Cloud) ListRoutes(ctx context.Context, clusterName string) ([]*cloudprovider.Route, error)

ListRoutes lists all managed routes that belong to the specified clusterName

func (*Cloud) ListVirtualMachines

func (az *Cloud) ListVirtualMachines(resourceGroup string) ([]compute.VirtualMachine, error)

ListVirtualMachines invokes az.VirtualMachinesClient.List with exponential backoff retry

func (*Cloud) ListVirtualMachinesWithRetry

func (az *Cloud) ListVirtualMachinesWithRetry(resourceGroup string) ([]compute.VirtualMachine, error)

ListVirtualMachinesWithRetry invokes az.VirtualMachinesClient.List with exponential backoff retry

func (*Cloud) LoadBalancer

func (az *Cloud) LoadBalancer() (cloudprovider.LoadBalancer, bool)

LoadBalancer returns a balancer interface. Also returns true if the interface is supported, false otherwise.

func (*Cloud) NodeAddresses

func (az *Cloud) NodeAddresses(ctx context.Context, name types.NodeName) ([]v1.NodeAddress, error)

NodeAddresses returns the addresses of the specified instance.

func (*Cloud) NodeAddressesByProviderID

func (az *Cloud) NodeAddressesByProviderID(ctx context.Context, providerID string) ([]v1.NodeAddress, error)

NodeAddressesByProviderID returns the node addresses of an instances with the specified unique providerID This method will not be called from the node that is requesting this ID. i.e. metadata service and other local methods cannot be used here

func (*Cloud) ProviderName

func (az *Cloud) ProviderName() string

ProviderName returns the cloud provider ID.

func (*Cloud) RequestBackoff

func (az *Cloud) RequestBackoff() (resourceRequestBackoff wait.Backoff)

RequestBackoff if backoff is disabled in cloud provider it returns a new Backoff object steps = 1 This is to make sure that the requested command executes at least once

func (*Cloud) ResizeFileShare

func (az *Cloud) ResizeFileShare(accountName, accountKey, name string, sizeGiB int) error

ResizeFileShare resizes a file share

func (*Cloud) Routes

func (az *Cloud) Routes() (cloudprovider.Routes, bool)

Routes returns a routes interface along with whether the interface is supported.

func (*Cloud) SetInformers

func (az *Cloud) SetInformers(informerFactory informers.SharedInformerFactory)

SetInformers sets informers for Azure cloud provider.

func (*Cloud) ShouldNodeExcludedFromLoadBalancer

func (az *Cloud) ShouldNodeExcludedFromLoadBalancer(node *v1.Node) bool

ShouldNodeExcludedFromLoadBalancer returns true if node is unmanaged or in external resource group.

func (*Cloud) UpdateLoadBalancer

func (az *Cloud) UpdateLoadBalancer(ctx context.Context, clusterName string, service *v1.Service, nodes []*v1.Node) error

UpdateLoadBalancer updates hosts under the specified load balancer.

func (*Cloud) UpdateVmssVMWithRetry

func (az *Cloud) UpdateVmssVMWithRetry(resourceGroupName string, VMScaleSetName string, instanceID string, parameters compute.VirtualMachineScaleSetVM, source string) error

UpdateVmssVMWithRetry invokes az.VirtualMachineScaleSetVMsClient.Update with exponential backoff retry

func (*Cloud) Zones

func (az *Cloud) Zones() (cloudprovider.Zones, bool)

Zones returns a zones interface. Also returns true if the interface is supported, false otherwise.

type ComputeMetadata

type ComputeMetadata struct {
	Environment    string `json:"azEnvironment,omitempty"`
	SKU            string `json:"sku,omitempty"`
	Name           string `json:"name,omitempty"`
	Zone           string `json:"zone,omitempty"`
	VMSize         string `json:"vmSize,omitempty"`
	OSType         string `json:"osType,omitempty"`
	Location       string `json:"location,omitempty"`
	FaultDomain    string `json:"platformFaultDomain,omitempty"`
	UpdateDomain   string `json:"platformUpdateDomain,omitempty"`
	ResourceGroup  string `json:"resourceGroupName,omitempty"`
	VMScaleSetName string `json:"vmScaleSetName,omitempty"`
	SubscriptionID string `json:"subscriptionId,omitempty"`
}

ComputeMetadata represents compute information

type Config

type Config struct {
	auth.AzureAuthConfig

	// The name of the resource group that the cluster is deployed in
	ResourceGroup string `json:"resourceGroup,omitempty" yaml:"resourceGroup,omitempty"`
	// The location of the resource group that the cluster is deployed in
	Location string `json:"location,omitempty" yaml:"location,omitempty"`
	// The name of the VNet that the cluster is deployed in
	VnetName string `json:"vnetName,omitempty" yaml:"vnetName,omitempty"`
	// The name of the resource group that the Vnet is deployed in
	VnetResourceGroup string `json:"vnetResourceGroup,omitempty" yaml:"vnetResourceGroup,omitempty"`
	// The name of the subnet that the cluster is deployed in
	SubnetName string `json:"subnetName,omitempty" yaml:"subnetName,omitempty"`
	// The name of the security group attached to the cluster's subnet
	SecurityGroupName string `json:"securityGroupName,omitempty" yaml:"securityGroupName,omitempty"`
	// (Optional in 1.6) The name of the route table attached to the subnet that the cluster is deployed in
	RouteTableName string `json:"routeTableName,omitempty" yaml:"routeTableName,omitempty"`
	// The name of the resource group that the RouteTable is deployed in
	RouteTableResourceGroup string `json:"routeTableResourceGroup,omitempty" yaml:"routeTableResourceGroup,omitempty"`
	// (Optional) The name of the availability set that should be used as the load balancer backend
	// If this is set, the Azure cloudprovider will only add nodes from that availability set to the load
	// balancer backend pool. If this is not set, and multiple agent pools (availability sets) are used, then
	// the cloudprovider will try to add all nodes to a single backend pool which is forbidden.
	// In other words, if you use multiple agent pools (availability sets), you MUST set this field.
	PrimaryAvailabilitySetName string `json:"primaryAvailabilitySetName,omitempty" yaml:"primaryAvailabilitySetName,omitempty"`
	// The type of azure nodes. Candidate values are: vmss and standard.
	// If not set, it will be default to standard.
	VMType string `json:"vmType,omitempty" yaml:"vmType,omitempty"`
	// The name of the scale set that should be used as the load balancer backend.
	// If this is set, the Azure cloudprovider will only add nodes from that scale set to the load
	// balancer backend pool. If this is not set, and multiple agent pools (scale sets) are used, then
	// the cloudprovider will try to add all nodes to a single backend pool which is forbidden.
	// In other words, if you use multiple agent pools (scale sets), you MUST set this field.
	PrimaryScaleSetName string `json:"primaryScaleSetName,omitempty" yaml:"primaryScaleSetName,omitempty"`
	// Enable exponential backoff to manage resource request retries
	CloudProviderBackoff bool `json:"cloudProviderBackoff,omitempty" yaml:"cloudProviderBackoff,omitempty"`
	// Backoff retry limit
	CloudProviderBackoffRetries int `json:"cloudProviderBackoffRetries,omitempty" yaml:"cloudProviderBackoffRetries,omitempty"`
	// Backoff exponent
	CloudProviderBackoffExponent float64 `json:"cloudProviderBackoffExponent,omitempty" yaml:"cloudProviderBackoffExponent,omitempty"`
	// Backoff duration
	CloudProviderBackoffDuration int `json:"cloudProviderBackoffDuration,omitempty" yaml:"cloudProviderBackoffDuration,omitempty"`
	// Backoff jitter
	CloudProviderBackoffJitter float64 `json:"cloudProviderBackoffJitter,omitempty" yaml:"cloudProviderBackoffJitter,omitempty"`
	// Backoff mode, options are v2 and default.
	// * default means two-layer backoff retrying, one in the cloud provider and the other in the Azure SDK.
	// * v2 means only backoff in the Azure SDK is used. In such mode, CloudProviderBackoffDuration and
	//   CloudProviderBackoffJitter are omitted.
	// "default" will be used if not specified.
	CloudProviderBackoffMode string `json:"cloudProviderBackoffMode,omitempty" yaml:"cloudProviderBackoffMode,omitempty"`
	// Enable rate limiting
	CloudProviderRateLimit bool `json:"cloudProviderRateLimit,omitempty" yaml:"cloudProviderRateLimit,omitempty"`
	// Rate limit QPS (Read)
	CloudProviderRateLimitQPS float32 `json:"cloudProviderRateLimitQPS,omitempty" yaml:"cloudProviderRateLimitQPS,omitempty"`
	// Rate limit Bucket Size
	CloudProviderRateLimitBucket int `json:"cloudProviderRateLimitBucket,omitempty" yaml:"cloudProviderRateLimitBucket,omitempty"`
	// Rate limit QPS (Write)
	CloudProviderRateLimitQPSWrite float32 `json:"cloudProviderRateLimitQPSWrite,omitempty" yaml:"cloudProviderRateLimitQPSWrite,omitempty"`
	// Rate limit Bucket Size
	CloudProviderRateLimitBucketWrite int `json:"cloudProviderRateLimitBucketWrite,omitempty" yaml:"cloudProviderRateLimitBucketWrite,omitempty"`

	// Use instance metadata service where possible
	UseInstanceMetadata bool `json:"useInstanceMetadata,omitempty" yaml:"useInstanceMetadata,omitempty"`

	// Sku of Load Balancer and Public IP. Candidate values are: basic and standard.
	// If not set, it will be default to basic.
	LoadBalancerSku string `json:"loadBalancerSku,omitempty" yaml:"loadBalancerSku,omitempty"`
	// ExcludeMasterFromStandardLB excludes master nodes from standard load balancer.
	// If not set, it will be default to true.
	ExcludeMasterFromStandardLB *bool `json:"excludeMasterFromStandardLB,omitempty" yaml:"excludeMasterFromStandardLB,omitempty"`
	// DisableOutboundSNAT disables the outbound SNAT for public load balancer rules.
	// It should only be set when loadBalancerSku is standard. If not set, it will be default to false.
	DisableOutboundSNAT *bool `json:"disableOutboundSNAT,omitempty" yaml:"disableOutboundSNAT,omitempty"`

	// Maximum allowed LoadBalancer Rule Count is the limit enforced by Azure Load balancer
	MaximumLoadBalancerRuleCount int `json:"maximumLoadBalancerRuleCount,omitempty" yaml:"maximumLoadBalancerRuleCount,omitempty"`

	// The cloud configure type for Azure cloud provider. Supported values are file, secret and merge.
	CloudConfigType cloudConfigType `json:"cloudConfigType,omitempty" yaml:"cloudConfigType,omitempty"`

	// LoadBalancerName determines the specific name of the load balancer user want to use, working with
	// LoadBalancerResourceGroup
	LoadBalancerName string `json:"loadBalancerName,omitempty" yaml:"loadBalancerName,omitempty"`
	// LoadBalancerResourceGroup determines the specific resource group of the load balancer user want to use, working
	// with LoadBalancerName
	LoadBalancerResourceGroup string `json:"loadBalancerResourceGroup,omitempty" yaml:"loadBalancerResourceGroup,omitempty"`

	// VmssVirtualMachinesCacheTTLInSeconds sets the cache TTL for vmssVirtualMachines
	VmssVirtualMachinesCacheTTLInSeconds int `json:"vmssVirtualMachinesCacheTTLInSeconds,omitempty" yaml:"vmssVirtualMachinesCacheTTLInSeconds,omitempty"`
}

Config holds the configuration parsed from the --cloud-config flag All fields are required unless otherwise specified NOTE: Cloud config files should follow the same Kubernetes deprecation policy as flags or CLIs. Config fields should not change behavior in incompatible ways and should be deprecated for at least 2 release prior to removing. See https://kubernetes.io/docs/reference/using-api/deprecation-policy/#deprecating-a-flag-or-cli for more details.

type DisksClient

type DisksClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, diskName string, diskParameter compute.Disk) (resp *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, diskName string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, diskName string) (result compute.Disk, err error)
}

DisksClient defines needed functions for azure compute.DisksClient

type FileClient

type FileClient interface {
	// contains filtered or unexported methods
}

FileClient is the interface for creating file shares, interface for test injection.

type IPAddress

type IPAddress struct {
	PrivateIP string `json:"privateIpAddress"`
	PublicIP  string `json:"publicIpAddress"`
}

IPAddress represents IP address information.

type InstanceMetadata

type InstanceMetadata struct {
	Compute *ComputeMetadata `json:"compute,omitempty"`
	Network *NetworkMetadata `json:"network,omitempty"`
}

InstanceMetadata represents instance information.

type InstanceMetadataService

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

InstanceMetadataService knows how to query the Azure instance metadata server.

func NewInstanceMetadataService

func NewInstanceMetadataService(metadataURL string) (*InstanceMetadataService, error)

NewInstanceMetadataService creates an instance of the InstanceMetadataService accessor object.

func (*InstanceMetadataService) GetMetadata

func (ims *InstanceMetadataService) GetMetadata(crt cacheReadType) (*InstanceMetadata, error)

GetMetadata gets instance metadata from cache. crt determines if we can get data from stalled cache/need fresh if cache expired.

type InterfacesClient

type InterfacesClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, networkInterfaceName string, parameters network.Interface) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, networkInterfaceName string, expand string) (result network.Interface, err error)
	GetVirtualMachineScaleSetNetworkInterface(ctx context.Context, resourceGroupName string, virtualMachineScaleSetName string, virtualmachineIndex string, networkInterfaceName string, expand string) (result network.Interface, err error)
}

InterfacesClient defines needed functions for azure network.InterfacesClient

type LoadBalancersClient

type LoadBalancersClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, loadBalancerName string, parameters network.LoadBalancer, etag string) (resp *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, loadBalancerName string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, loadBalancerName string, expand string) (result network.LoadBalancer, err error)
	List(ctx context.Context, resourceGroupName string) (result []network.LoadBalancer, err error)
}

LoadBalancersClient defines needed functions for azure network.LoadBalancersClient

type ManagedDiskController

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

ManagedDiskController : managed disk controller struct

func (*ManagedDiskController) CreateManagedDisk

func (c *ManagedDiskController) CreateManagedDisk(options *ManagedDiskOptions) (string, error)

CreateManagedDisk : create managed disk

func (*ManagedDiskController) DeleteManagedDisk

func (c *ManagedDiskController) DeleteManagedDisk(diskURI string) error

DeleteManagedDisk : delete managed disk

func (*ManagedDiskController) GetDisk

func (c *ManagedDiskController) GetDisk(resourceGroup, diskName string) (string, string, error)

GetDisk return: disk provisionState, diskID, error

func (*ManagedDiskController) ResizeDisk

func (c *ManagedDiskController) ResizeDisk(diskURI string, oldSize resource.Quantity, newSize resource.Quantity) (resource.Quantity, error)

ResizeDisk Expand the disk to new size

type ManagedDiskOptions

type ManagedDiskOptions struct {
	// The name of the disk.
	DiskName string
	// The size in GB.
	SizeGB int
	// The name of PVC.
	PVCName string
	// The name of resource group.
	ResourceGroup string
	// The AvailabilityZone to create the disk.
	AvailabilityZone string
	// The tags of the disk.
	Tags map[string]string
	// The SKU of storage account.
	StorageAccountType compute.DiskStorageAccountTypes
	// IOPS Caps for UltraSSD disk
	DiskIOPSReadWrite string
	// Throughput Cap (MBps) for UltraSSD disk
	DiskMBpsReadWrite string
}

ManagedDiskOptions specifies the options of managed disks.

type NetworkData

type NetworkData struct {
	IPAddress []IPAddress `json:"ipAddress"`
	Subnet    []Subnet    `json:"subnet"`
}

NetworkData contains IP information for a network.

type NetworkInterface

type NetworkInterface struct {
	IPV4 NetworkData `json:"ipv4"`
	IPV6 NetworkData `json:"ipv6"`
	MAC  string      `json:"macAddress"`
}

NetworkInterface represents an instances network interface.

type NetworkMetadata

type NetworkMetadata struct {
	Interface []NetworkInterface `json:"interface"`
}

NetworkMetadata contains metadata about an instance's network

type PublicIPAddressesClient

type PublicIPAddressesClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, publicIPAddressName string, parameters network.PublicIPAddress) (resp *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, publicIPAddressName string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, publicIPAddressName string, expand string) (result network.PublicIPAddress, err error)
	GetVirtualMachineScaleSetPublicIPAddress(ctx context.Context, resourceGroupName string, virtualMachineScaleSetName string, virtualmachineIndex string, networkInterfaceName string, IPConfigurationName string, publicIPAddressName string, expand string) (result network.PublicIPAddress, err error)
	List(ctx context.Context, resourceGroupName string) (result []network.PublicIPAddress, err error)
}

PublicIPAddressesClient defines needed functions for azure network.PublicIPAddressesClient

type RouteTablesClient

type RouteTablesClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, routeTableName string, parameters network.RouteTable, etag string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, routeTableName string, expand string) (result network.RouteTable, err error)
}

RouteTablesClient defines needed functions for azure network.RouteTablesClient

type RoutesClient

type RoutesClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, routeTableName string, routeName string, routeParameters network.Route, etag string) (resp *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, routeTableName string, routeName string) (resp *http.Response, err error)
}

RoutesClient defines needed functions for azure network.RoutesClient

type SecurityGroupsClient

type SecurityGroupsClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, networkSecurityGroupName string, parameters network.SecurityGroup, etag string) (resp *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, networkSecurityGroupName string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, networkSecurityGroupName string, expand string) (result network.SecurityGroup, err error)
	List(ctx context.Context, resourceGroupName string) (result []network.SecurityGroup, err error)
}

SecurityGroupsClient defines needed functions for azure network.SecurityGroupsClient

type StorageAccountClient

type StorageAccountClient interface {
	Create(ctx context.Context, resourceGroupName string, accountName string, parameters storage.AccountCreateParameters) (result *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, accountName string) (result autorest.Response, err error)
	ListKeys(ctx context.Context, resourceGroupName string, accountName string) (result storage.AccountListKeysResult, err error)
	ListByResourceGroup(ctx context.Context, resourceGroupName string) (result storage.AccountListResult, err error)
	GetProperties(ctx context.Context, resourceGroupName string, accountName string) (result storage.Account, err error)
}

StorageAccountClient defines needed functions for azure storage.AccountsClient

type Subnet

type Subnet struct {
	Address string `json:"address"`
	Prefix  string `json:"prefix"`
}

Subnet represents subnet information.

type SubnetsClient

type SubnetsClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, virtualNetworkName string, subnetName string, subnetParameters network.Subnet) (resp *http.Response, err error)
	Delete(ctx context.Context, resourceGroupName string, virtualNetworkName string, subnetName string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, virtualNetworkName string, subnetName string, expand string) (result network.Subnet, err error)
	List(ctx context.Context, resourceGroupName string, virtualNetworkName string) (result []network.Subnet, err error)
}

SubnetsClient defines needed functions for azure network.SubnetsClient

type VMSet

type VMSet interface {
	// GetInstanceIDByNodeName gets the cloud provider ID by node name.
	// It must return ("", cloudprovider.InstanceNotFound) if the instance does
	// not exist or is no longer running.
	GetInstanceIDByNodeName(name string) (string, error)
	// GetInstanceTypeByNodeName gets the instance type by node name.
	GetInstanceTypeByNodeName(name string) (string, error)
	// GetIPByNodeName gets machine private IP and public IP by node name.
	GetIPByNodeName(name string) (string, string, error)
	// GetPrimaryInterface gets machine primary network interface by node name.
	GetPrimaryInterface(nodeName string) (network.Interface, error)
	// GetNodeNameByProviderID gets the node name by provider ID.
	GetNodeNameByProviderID(providerID string) (types.NodeName, error)

	// GetZoneByNodeName gets cloudprovider.Zone by node name.
	GetZoneByNodeName(name string) (cloudprovider.Zone, error)

	// GetPrimaryVMSetName returns the VM set name depending on the configured vmType.
	// It returns config.PrimaryScaleSetName for vmss and config.PrimaryAvailabilitySetName for standard vmType.
	GetPrimaryVMSetName() string
	// GetVMSetNames selects all possible availability sets or scale sets
	// (depending vmType configured) for service load balancer, if the service has
	// no loadbalancer mode annotation returns the primary VMSet. If service annotation
	// for loadbalancer exists then return the eligible VMSet.
	GetVMSetNames(service *v1.Service, nodes []*v1.Node) (availabilitySetNames *[]string, err error)
	// EnsureHostsInPool ensures the given Node's primary IP configurations are
	// participating in the specified LoadBalancer Backend Pool.
	EnsureHostsInPool(service *v1.Service, nodes []*v1.Node, backendPoolID string, vmSetName string, isInternal bool) error
	// EnsureHostInPool ensures the given VM's Primary NIC's Primary IP Configuration is
	// participating in the specified LoadBalancer Backend Pool.
	EnsureHostInPool(service *v1.Service, nodeName types.NodeName, backendPoolID string, vmSetName string, isInternal bool) error
	// EnsureBackendPoolDeleted ensures the loadBalancer backendAddressPools deleted from the specified nodes.
	EnsureBackendPoolDeleted(service *v1.Service, backendPoolID, vmSetName string, backendAddressPools *[]network.BackendAddressPool) error

	// AttachDisk attaches a vhd to vm. The vhd must exist, can be identified by diskName, diskURI, and lun.
	AttachDisk(isManagedDisk bool, diskName, diskURI string, nodeName types.NodeName, lun int32, cachingMode compute.CachingTypes) error
	// DetachDisk detaches a vhd from host. The vhd can be identified by diskName or diskURI.
	DetachDisk(diskName, diskURI string, nodeName types.NodeName) (*http.Response, error)
	// GetDataDisks gets a list of data disks attached to the node.
	GetDataDisks(nodeName types.NodeName, crt cacheReadType) ([]compute.DataDisk, error)

	// GetPowerStatusByNodeName returns the power state of the specified node.
	GetPowerStatusByNodeName(name string) (string, error)

	// GetPrivateIPsByNodeName returns a slice of all private ips assigned to node (ipv6 and ipv4)
	GetPrivateIPsByNodeName(name string) ([]string, error)
}

VMSet defines functions all vmsets (including scale set and availability set) should be implemented.

type VirtualMachineScaleSetVMsClient

type VirtualMachineScaleSetVMsClient interface {
	Get(ctx context.Context, resourceGroupName string, VMScaleSetName string, instanceID string) (result compute.VirtualMachineScaleSetVM, err error)
	GetInstanceView(ctx context.Context, resourceGroupName string, VMScaleSetName string, instanceID string) (result compute.VirtualMachineScaleSetVMInstanceView, err error)
	List(ctx context.Context, resourceGroupName string, virtualMachineScaleSetName string, filter string, selectParameter string, expand string) (result []compute.VirtualMachineScaleSetVM, err error)
	Update(ctx context.Context, resourceGroupName string, VMScaleSetName string, instanceID string, parameters compute.VirtualMachineScaleSetVM, source string) (resp *http.Response, err error)
}

VirtualMachineScaleSetVMsClient defines needed functions for azure compute.VirtualMachineScaleSetVMsClient

type VirtualMachineScaleSetsClient

type VirtualMachineScaleSetsClient interface {
	Get(ctx context.Context, resourceGroupName string, VMScaleSetName string) (result compute.VirtualMachineScaleSet, err error)
	List(ctx context.Context, resourceGroupName string) (result []compute.VirtualMachineScaleSet, err error)
	CreateOrUpdate(ctx context.Context, resourceGroupName string, VMScaleSetName string, parameters compute.VirtualMachineScaleSet) (resp *http.Response, err error)
}

VirtualMachineScaleSetsClient defines needed functions for azure compute.VirtualMachineScaleSetsClient

type VirtualMachineSizesClient

type VirtualMachineSizesClient interface {
	List(ctx context.Context, location string) (result compute.VirtualMachineSizeListResult, err error)
}

VirtualMachineSizesClient defines needed functions for azure compute.VirtualMachineSizesClient

type VirtualMachinesClient

type VirtualMachinesClient interface {
	CreateOrUpdate(ctx context.Context, resourceGroupName string, VMName string, parameters compute.VirtualMachine, source string) (resp *http.Response, err error)
	Update(ctx context.Context, resourceGroupName string, VMName string, parameters compute.VirtualMachineUpdate, source string) (resp *http.Response, err error)
	Get(ctx context.Context, resourceGroupName string, VMName string, expand compute.InstanceViewTypes) (result compute.VirtualMachine, err error)
	List(ctx context.Context, resourceGroupName string) (result []compute.VirtualMachine, err error)
}

VirtualMachinesClient defines needed functions for azure compute.VirtualMachinesClient

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