mirror of https://github.com/kubernetes/kops.git
117 lines
3.3 KiB
Go
117 lines
3.3 KiB
Go
/*
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Copyright 2020 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 protokube
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import (
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"context"
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"fmt"
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"net"
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"github.com/Azure/azure-sdk-for-go/services/compute/mgmt/2020-06-01/compute"
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"github.com/Azure/azure-sdk-for-go/services/network/mgmt/2020-06-01/network"
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"k8s.io/kops/protokube/pkg/gossip"
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gossipazure "k8s.io/kops/protokube/pkg/gossip/azure"
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"k8s.io/kops/upup/pkg/fi/cloudup/azure"
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)
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type client interface {
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ListVMScaleSets(ctx context.Context) ([]compute.VirtualMachineScaleSet, error)
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ListVMSSNetworkInterfaces(ctx context.Context, vmScaleSetName string) ([]network.Interface, error)
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GetName() string
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GetTags() (map[string]string, error)
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GetInternalIP() net.IP
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}
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var _ client = &gossipazure.Client{}
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// AzureVolumes implements the Volumes interface for Azure.
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type AzureVolumes struct {
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client client
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clusterTag string
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instanceID string
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internalIP net.IP
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}
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var _ Volumes = &AzureVolumes{}
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// NewAzureVolumes returns a new AzureVolumes.
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func NewAzureVolumes() (*AzureVolumes, error) {
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client, err := gossipazure.NewClient()
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if err != nil {
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return nil, fmt.Errorf("error creating a new Azure client: %s", err)
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}
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tags, err := client.GetTags()
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if err != nil {
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return nil, fmt.Errorf("error querying tags: %s", err)
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}
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clusterTag := tags[azure.TagClusterName]
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if clusterTag == "" {
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return nil, fmt.Errorf("cluster tag %q not found", azure.TagClusterName)
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}
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instanceID := client.GetName()
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if instanceID == "" {
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return nil, fmt.Errorf("empty name")
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}
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internalIP := client.GetInternalIP()
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if internalIP == nil {
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return nil, fmt.Errorf("error querying internal IP")
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}
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return &AzureVolumes{
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client: client,
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clusterTag: clusterTag,
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instanceID: instanceID,
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internalIP: internalIP,
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}, nil
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}
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// InstanceID implements Volumes InstanceID.
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func (a *AzureVolumes) InstanceID() string {
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return a.instanceID
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}
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// InternalIP implements Volumes InternalIP.
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func (a *AzureVolumes) InternalIP() net.IP {
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return a.internalIP
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}
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func (a *AzureVolumes) GossipSeeds() (gossip.SeedProvider, error) {
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tags := map[string]string{
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azure.TagClusterName: a.clusterTag,
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}
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return gossipazure.NewSeedProvider(a.client, tags)
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}
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func (a *AzureVolumes) AttachVolume(volume *Volume) error {
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// TODO(kenji): Implement this. We currently don't need to implement this
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// as we let etcd-manager manage volumes, not protokube.
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return nil
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}
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func (a *AzureVolumes) FindVolumes() ([]*Volume, error) {
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// TODO(kenji): Implement this. We currently don't need to implement this
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// as we let etcd-manager manage volumes, not protokube.
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return nil, nil
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}
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func (a *AzureVolumes) FindMountedVolume(volume *Volume) (string, error) {
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// TODO(kenji): Implement this. We currently don't need to implement this
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// as we let etcd-manager manage volumes, not protokube.
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return "", nil
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}
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