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resourcegroup.go
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resourcegroup.go
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/*
Copyright 2020 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 azuretasks
import (
"context"
"github.com/Azure/azure-sdk-for-go/services/resources/mgmt/2020-06-01/resources"
"github.com/Azure/go-autorest/autorest/to"
"k8s.io/klog/v2"
"k8s.io/kops/upup/pkg/fi"
"k8s.io/kops/upup/pkg/fi/cloudup/azure"
)
// ResourceGroup is an Azure resource group.
// +kops:fitask
type ResourceGroup struct {
Name *string
Lifecycle fi.Lifecycle
Tags map[string]*string
// Shared is set to true if the resource group is not solely
// owned by kops. The resource group will not be deleted when
// a cluster is destroyed.
Shared *bool
}
var (
_ fi.Task = &ResourceGroup{}
_ fi.CompareWithID = &ResourceGroup{}
)
// CompareWithID returns the Name of the VM Scale Set.
func (r *ResourceGroup) CompareWithID() *string {
return r.Name
}
// Find discovers the ResourceGroup in the cloud provider.
func (r *ResourceGroup) Find(c *fi.Context) (*ResourceGroup, error) {
cloud := c.Cloud.(azure.AzureCloud)
l, err := cloud.ResourceGroup().List(context.TODO(), "" /* filter*/)
if err != nil {
return nil, err
}
var found *resources.Group
for _, rg := range l {
if *rg.Name == *r.Name {
found = &rg
break
}
}
if found == nil {
return nil, nil
}
return &ResourceGroup{
Name: to.StringPtr(*found.Name),
Lifecycle: r.Lifecycle,
Tags: found.Tags,
// To prevent spurious comparison failures. Follow awstask.VPC.
Shared: r.Shared,
}, nil
}
// Run implements fi.Task.Run.
func (r *ResourceGroup) Run(c *fi.Context) error {
c.Cloud.(azure.AzureCloud).AddClusterTags(r.Tags)
return fi.DefaultDeltaRunMethod(r, c)
}
// CheckChanges returns an error if a change is not allowed.
func (*ResourceGroup) CheckChanges(a, e, changes *ResourceGroup) error {
if a == nil {
// Check if required fields are set when a new resource is created.
if e.Name == nil {
return fi.RequiredField("Name")
}
return nil
}
// Check if unchangeable fields won't be changed.
if changes.Name != nil {
return fi.CannotChangeField("Name")
}
return nil
}
// RenderAzure creates or updates a resource group.
func (*ResourceGroup) RenderAzure(t *azure.AzureAPITarget, a, e, changes *ResourceGroup) error {
if a == nil {
klog.Infof("Creating a new Resource Group with name: %s", fi.StringValue(e.Name))
} else {
klog.Infof("Updating a Resource Group with name: %s", fi.StringValue(e.Name))
}
return t.Cloud.ResourceGroup().CreateOrUpdate(
context.TODO(),
*e.Name,
resources.Group{
Location: to.StringPtr(t.Cloud.Region()),
Tags: e.Tags,
})
}