forked from mesosphere-backup/kubernetes
/
gce_addresses_fakes.go
105 lines (85 loc) · 3.13 KB
/
gce_addresses_fakes.go
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/*
Copyright 2017 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 gce
import (
"fmt"
"net/http"
compute "google.golang.org/api/compute/v1"
"google.golang.org/api/googleapi"
)
type FakeCloudAddressService struct {
count int
// reservedAddrs tracks usage of IP addresses
// Key is the IP address as a string
reservedAddrs map[string]bool
// addrsByRegionAndName
// Outer key is for region string; inner key is for address name.
addrsByRegionAndName map[string]map[string]*compute.Address
}
// FakeCloudAddressService Implements CloudAddressService
var _ CloudAddressService = &FakeCloudAddressService{}
func NewFakeCloudAddressService() *FakeCloudAddressService {
return &FakeCloudAddressService{
reservedAddrs: make(map[string]bool),
addrsByRegionAndName: make(map[string]map[string]*compute.Address),
}
}
// SetRegionalAddresses populates the addresses of the region with the name to
// IP map.
func (cas *FakeCloudAddressService) SetRegionalAddresses(region string, ipList map[string]string) {
// Reset addresses in the region.
cas.addrsByRegionAndName[region] = make(map[string]*compute.Address)
for name, ip := range ipList {
cas.reservedAddrs[ip] = true
cas.addrsByRegionAndName[region][name] = &compute.Address{Name: name, Address: ip}
}
}
func (cas *FakeCloudAddressService) ReserveRegionAddress(addr *compute.Address, region string) error {
if addr.Address == "" {
addr.Address = fmt.Sprintf("1.2.3.%d", cas.count)
cas.count++
}
if cas.reservedAddrs[addr.Address] {
return &googleapi.Error{Code: http.StatusConflict}
}
if _, exists := cas.addrsByRegionAndName[region]; !exists {
cas.addrsByRegionAndName[region] = make(map[string]*compute.Address)
}
if _, exists := cas.addrsByRegionAndName[region][addr.Name]; exists {
return &googleapi.Error{Code: http.StatusConflict}
}
cas.addrsByRegionAndName[region][addr.Name] = addr
cas.reservedAddrs[addr.Address] = true
return nil
}
func (cas *FakeCloudAddressService) GetRegionAddress(name, region string) (*compute.Address, error) {
if _, exists := cas.addrsByRegionAndName[region]; !exists {
return nil, makeGoogleAPINotFoundError("")
}
if addr, exists := cas.addrsByRegionAndName[region][name]; !exists {
return nil, makeGoogleAPINotFoundError("")
} else {
return addr, nil
}
}
func (cas *FakeCloudAddressService) GetRegionAddressByIP(region, ipAddress string) (*compute.Address, error) {
if _, exists := cas.addrsByRegionAndName[region]; !exists {
return nil, makeGoogleAPINotFoundError("")
}
for _, addr := range cas.addrsByRegionAndName[region] {
if addr.Address == ipAddress {
return addr, nil
}
}
return nil, makeGoogleAPINotFoundError("")
}