mirror of https://github.com/kubernetes/kops.git
142 lines
3.7 KiB
Go
142 lines
3.7 KiB
Go
/*
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Copyright 2019 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 openstacktasks
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import (
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"fmt"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/layer3/routers"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/ports"
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"k8s.io/klog"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/upup/pkg/fi/cloudup/openstack"
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)
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//go:generate fitask -type=RouterInterface
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type RouterInterface struct {
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ID *string
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Name *string
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Router *Router
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Subnet *Subnet
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Lifecycle *fi.Lifecycle
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}
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// GetDependencies returns the dependencies of the RouterInterface task
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func (e *RouterInterface) GetDependencies(tasks map[string]fi.Task) []fi.Task {
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var deps []fi.Task
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for _, task := range tasks {
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if _, ok := task.(*Router); ok {
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deps = append(deps, task)
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}
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if _, ok := task.(*Subnet); ok {
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deps = append(deps, task)
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}
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}
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return deps
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}
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var _ fi.CompareWithID = &RouterInterface{}
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func (i *RouterInterface) CompareWithID() *string {
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return i.ID
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}
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func (i *RouterInterface) Find(context *fi.Context) (*RouterInterface, error) {
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cloud := context.Cloud.(openstack.OpenstackCloud)
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opt := ports.ListOpts{
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NetworkID: fi.StringValue(i.Subnet.Network.ID),
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DeviceID: fi.StringValue(i.Router.ID),
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ID: fi.StringValue(i.ID),
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}
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ps, err := cloud.ListPorts(opt)
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if err != nil {
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return nil, err
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}
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if ps == nil {
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return nil, nil
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}
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var actual *RouterInterface
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subnetID := fi.StringValue(i.Subnet.ID)
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for _, p := range ps {
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for _, ip := range p.FixedIPs {
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if ip.SubnetID == subnetID {
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if actual != nil {
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return nil, fmt.Errorf("find multiple interfaces which subnet:%s attach to", subnetID)
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}
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actual = &RouterInterface{
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ID: fi.String(p.ID),
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Name: i.Name,
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Router: i.Router,
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Subnet: i.Subnet,
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Lifecycle: i.Lifecycle,
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}
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i.ID = actual.ID
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}
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}
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}
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return actual, nil
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}
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func (i *RouterInterface) Run(context *fi.Context) error {
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return fi.DefaultDeltaRunMethod(i, context)
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}
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func (_ *RouterInterface) CheckChanges(a, e, changes *RouterInterface) error {
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if a == nil {
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if e.Router == nil {
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return fi.RequiredField("Router")
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}
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if e.Subnet == nil {
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return fi.RequiredField("Subnet")
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}
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} else {
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if changes.Name != nil {
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return fi.CannotChangeField("Name")
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}
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if changes.Router != nil {
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return fi.CannotChangeField("Router")
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}
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if changes.Subnet != nil {
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return fi.CannotChangeField("Subnet")
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}
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}
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return nil
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}
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func (_ *RouterInterface) RenderOpenstack(t *openstack.OpenstackAPITarget, a, e, changes *RouterInterface) error {
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if a == nil {
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routerID := fi.StringValue(e.Router.ID)
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subnetID := fi.StringValue(e.Subnet.ID)
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klog.V(2).Infof("Creating RouterInterface for router:%s and subnet:%s", routerID, subnetID)
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opt := routers.AddInterfaceOpts{SubnetID: subnetID}
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v, err := t.Cloud.CreateRouterInterface(routerID, opt)
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if err != nil {
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return fmt.Errorf("Error creating router interface: %v", err)
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}
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e.ID = fi.String(v.PortID)
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klog.V(2).Infof("Creating a new Openstack router interface, id=%s", v.PortID)
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return nil
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}
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e.ID = a.ID
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klog.V(2).Infof("Using an existing Openstack router interface, id=%s", fi.StringValue(e.ID))
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return nil
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}
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