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Add a general VMSet interface for both scale sets and availability sets

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Pengfei Ni 2017-12-13 14:11:55 +08:00 committed by Pengfei Ni
parent 38e3351312
commit 806e4f5afa
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pkg/cloudprovider/providers/azure/azure_vmsets.go Normal file
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/*
Copyright 2017 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 (
"github.com/Azure/azure-sdk-for-go/arm/network"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/kubernetes/pkg/cloudprovider"
)
// VMSet defines functions all vmsets (including scale set and availabitlity
// set) should be implemented.
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 IP by node name.
GetIPByNodeName(name, vmSetName string) (string, error)
// GetPrimaryInterface gets machine primary network interface by node name and vmSet.
GetPrimaryInterface(nodeName, vmSetName 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 annotaion 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(serviceName string, nodes []*v1.Node, backendPoolID string, vmSetName string) error
// EnsureBackendPoolDeleted ensures the loadBalancer backendAddressPools deleted from the specified vmSet.
EnsureBackendPoolDeleted(poolID, vmSetName string) error
}