mirror of https://github.com/k3s-io/k3s
127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package azure
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import (
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"net/http"
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"github.com/Azure/azure-sdk-for-go/arm/compute"
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"github.com/Azure/azure-sdk-for-go/arm/network"
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"github.com/Azure/go-autorest/autorest"
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"k8s.io/kubernetes/pkg/types"
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)
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// checkExistsFromError inspects an error and returns a true if err is nil,
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// false if error is an autorest.Error with StatusCode=404 and will return the
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// error back if error is another status code or another type of error.
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func checkResourceExistsFromError(err error) (bool, error) {
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if err == nil {
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return true, nil
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}
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v, ok := err.(autorest.DetailedError)
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if ok && v.StatusCode == http.StatusNotFound {
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return false, nil
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}
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return false, v
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}
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func (az *Cloud) getVirtualMachine(nodeName types.NodeName) (vm compute.VirtualMachine, exists bool, err error) {
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var realErr error
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vmName := string(nodeName)
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vm, err = az.VirtualMachinesClient.Get(az.ResourceGroup, vmName, "")
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exists, realErr = checkResourceExistsFromError(err)
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if realErr != nil {
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return vm, false, realErr
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}
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if !exists {
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return vm, false, nil
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}
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return vm, exists, err
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}
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func (az *Cloud) getRouteTable() (routeTable network.RouteTable, exists bool, err error) {
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var realErr error
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routeTable, err = az.RouteTablesClient.Get(az.ResourceGroup, az.RouteTableName, "")
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exists, realErr = checkResourceExistsFromError(err)
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if realErr != nil {
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return routeTable, false, realErr
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}
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if !exists {
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return routeTable, false, nil
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}
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return routeTable, exists, err
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}
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func (az *Cloud) getSecurityGroup() (sg network.SecurityGroup, exists bool, err error) {
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var realErr error
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sg, err = az.SecurityGroupsClient.Get(az.ResourceGroup, az.SecurityGroupName, "")
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exists, realErr = checkResourceExistsFromError(err)
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if realErr != nil {
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return sg, false, realErr
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}
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if !exists {
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return sg, false, nil
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}
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return sg, exists, err
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}
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func (az *Cloud) getAzureLoadBalancer(name string) (lb network.LoadBalancer, exists bool, err error) {
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var realErr error
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lb, err = az.LoadBalancerClient.Get(az.ResourceGroup, name, "")
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exists, realErr = checkResourceExistsFromError(err)
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if realErr != nil {
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return lb, false, realErr
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}
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if !exists {
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return lb, false, nil
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}
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return lb, exists, err
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}
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func (az *Cloud) getPublicIPAddress(name string) (pip network.PublicIPAddress, exists bool, err error) {
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var realErr error
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pip, err = az.PublicIPAddressesClient.Get(az.ResourceGroup, name, "")
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exists, realErr = checkResourceExistsFromError(err)
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if realErr != nil {
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return pip, false, realErr
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}
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if !exists {
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return pip, false, nil
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}
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return pip, exists, err
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}
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