mirror of https://github.com/kubernetes/kops.git
125 lines
3.0 KiB
Go
125 lines
3.0 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 openstack
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import (
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"fmt"
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"github.com/gophercloud/gophercloud/openstack/networking/v2/subnets"
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"k8s.io/apimachinery/pkg/util/wait"
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"k8s.io/kops/upup/pkg/fi"
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"k8s.io/kops/util/pkg/vfs"
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)
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func (c *openstackCloud) ListSubnets(opt subnets.ListOptsBuilder) ([]subnets.Subnet, error) {
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var s []subnets.Subnet
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done, err := vfs.RetryWithBackoff(readBackoff, func() (bool, error) {
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allPages, err := subnets.List(c.neutronClient, opt).AllPages()
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if err != nil {
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return false, fmt.Errorf("error listing subnets: %v", err)
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}
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r, err := subnets.ExtractSubnets(allPages)
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if err != nil {
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return false, fmt.Errorf("error extracting subnets from pages: %v", err)
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}
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s = r
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return true, nil
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})
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if err != nil {
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return s, err
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} else if done {
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return s, nil
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} else {
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return s, wait.ErrWaitTimeout
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}
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}
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func (c *openstackCloud) CreateSubnet(opt subnets.CreateOptsBuilder) (*subnets.Subnet, error) {
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var s *subnets.Subnet
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done, err := vfs.RetryWithBackoff(writeBackoff, func() (bool, error) {
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v, err := subnets.Create(c.neutronClient, opt).Extract()
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if err != nil {
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return false, fmt.Errorf("error creating subnet: %v", err)
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}
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s = v
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return true, nil
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})
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if err != nil {
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return s, err
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} else if done {
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return s, nil
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} else {
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return s, wait.ErrWaitTimeout
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}
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}
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func (c *openstackCloud) DeleteSubnet(subnetID string) error {
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done, err := vfs.RetryWithBackoff(writeBackoff, func() (bool, error) {
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err := subnets.Delete(c.neutronClient, subnetID).ExtractErr()
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if err != nil && !isNotFound(err) {
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return false, fmt.Errorf("error deleting subnet: %v", err)
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}
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return true, nil
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})
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if err != nil {
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return err
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} else if done {
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return nil
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} else {
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return wait.ErrWaitTimeout
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}
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}
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func (c *openstackCloud) GetExternalSubnet() (subnet *subnets.Subnet, err error) {
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if c.extSubnetName == nil {
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return nil, nil
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}
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subnets, err := c.ListSubnets(subnets.ListOpts{
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Name: fi.StringValue(c.extSubnetName),
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})
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if err != nil {
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return nil, err
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}
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if len(subnets) == 1 {
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return &subnets[0], nil
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}
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return nil, fmt.Errorf("did not find floatingsubnet for external router")
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}
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func (c *openstackCloud) GetLBFloatingSubnet() (subnet *subnets.Subnet, err error) {
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if c.floatingSubnet == nil {
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return nil, nil
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}
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subnets, err := c.ListSubnets(subnets.ListOpts{
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Name: fi.StringValue(c.floatingSubnet),
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})
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if err != nil {
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return nil, err
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}
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if len(subnets) == 1 {
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return &subnets[0], nil
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}
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return nil, fmt.Errorf("did not find floatingsubnet for LB")
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}
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