mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-06-03 06:21:39 +08:00
457 lines
12 KiB
Go
457 lines
12 KiB
Go
// Copyright 2019 Yunion
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package aws
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import (
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"context"
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"fmt"
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"sort"
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"strconv"
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"strings"
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"github.com/aws/aws-sdk-go/service/elbv2"
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"yunion.io/x/jsonutils"
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"yunion.io/x/log"
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"yunion.io/x/pkg/utils"
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api "yunion.io/x/onecloud/pkg/apis/compute"
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"yunion.io/x/onecloud/pkg/cloudprovider"
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)
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/*
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https://docs.aws.amazon.com/elasticloadbalancing/latest/APIReference/Welcome.html
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*/
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type SElb struct {
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region *SRegion
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Type string `json:"Type"`
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Scheme string `json:"Scheme"`
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IPAddressType string `json:"IpAddressType"`
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VpcID string `json:"VpcId"`
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AvailabilityZones []AvailabilityZone `json:"AvailabilityZones"`
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CreatedTime string `json:"CreatedTime"`
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CanonicalHostedZoneID string `json:"CanonicalHostedZoneId"`
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DNSName string `json:"DNSName"`
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SecurityGroups []string `json:"SecurityGroups"`
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LoadBalancerName string `json:"LoadBalancerName"`
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State State `json:"State"`
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LoadBalancerArn string `json:"LoadBalancerArn"`
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}
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type AvailabilityZone struct {
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LoadBalancerAddresses []LoadBalancerAddress `json:"LoadBalancerAddresses"`
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ZoneName string `json:"ZoneName"`
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SubnetID string `json:"SubnetId"`
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}
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type LoadBalancerAddress struct {
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IPAddress string `json:"IpAddress"`
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AllocationID string `json:"AllocationId"`
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}
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type State struct {
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Code string `json:"Code"`
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}
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func (self *SElb) GetId() string {
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return self.LoadBalancerArn
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}
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func (self *SElb) GetName() string {
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return self.LoadBalancerName
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}
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func (self *SElb) GetGlobalId() string {
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return self.GetId()
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}
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func (self *SElb) GetStatus() string {
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switch self.State.Code {
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case "provisioning":
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return api.LB_STATUS_INIT
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case "active":
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return api.LB_STATUS_ENABLED
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case "failed":
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return api.LB_STATUS_START_FAILED
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default:
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return api.LB_STATUS_UNKNOWN
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}
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}
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func (self *SElb) Refresh() error {
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ielb, err := self.region.GetILoadBalancerById(self.GetId())
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if err != nil {
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return err
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}
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err = jsonutils.Update(self, ielb)
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if err != nil {
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return err
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}
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return nil
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}
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func (self *SElb) IsEmulated() bool {
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return false
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}
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func (self *SElb) GetMetadata() *jsonutils.JSONDict {
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metadata := jsonutils.NewDict()
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metadata.Add(jsonutils.NewString(self.Type), "loadbalance_type")
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attrs, err := self.region.getElbAttributesById(self.GetId())
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if err != nil {
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log.Errorf("SElb GetMetadata %s", err)
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return metadata
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}
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for k, v := range attrs {
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metadata.Add(jsonutils.NewString(v), k)
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}
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return metadata
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}
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func (self *SElb) GetProjectId() string {
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return ""
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}
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func (self *SElb) GetAddress() string {
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return self.DNSName
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}
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func (self *SElb) GetAddressType() string {
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switch self.Scheme {
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case "internal":
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return api.LB_ADDR_TYPE_INTRANET
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case "internet-facing":
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return api.LB_ADDR_TYPE_INTERNET
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default:
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return api.LB_ADDR_TYPE_INTRANET
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}
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}
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func (self *SElb) GetNetworkType() string {
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return api.LB_NETWORK_TYPE_VPC
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}
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func (self *SElb) GetNetworkIds() []string {
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ret := []string{}
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for i := range self.AvailabilityZones {
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ret = append(ret, self.AvailabilityZones[i].SubnetID)
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}
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return ret
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}
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func (self *SElb) GetVpcId() string {
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return self.VpcID
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}
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func (self *SElb) GetZoneId() string {
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zones := []string{}
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for i := range self.AvailabilityZones {
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zones = append(zones, self.AvailabilityZones[i].ZoneName)
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}
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sort.Strings(zones)
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return zones[0]
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}
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func (self *SElb) GetLoadbalancerSpec() string {
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return self.Type
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}
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func (self *SElb) GetChargeType() string {
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return api.LB_CHARGE_TYPE_BY_TRAFFIC
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}
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func (self *SElb) GetEgressMbps() int {
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return 0
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}
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func (self *SElb) Delete(ctx context.Context) error {
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return self.region.DeleteElb(self.GetId())
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}
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func (self *SElb) Start() error {
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return nil
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}
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func (self *SElb) Stop() error {
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return cloudprovider.ErrNotSupported
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}
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func (self *SElb) GetILoadBalancerListeners() ([]cloudprovider.ICloudLoadbalancerListener, error) {
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listeners, err := self.region.GetElbListeners(self.GetId())
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if err != nil {
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return nil, err
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}
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ret := make([]cloudprovider.ICloudLoadbalancerListener, len(listeners))
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for i := range listeners {
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listeners[i].lb = self
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ret[i] = &listeners[i]
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}
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return ret, nil
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}
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func (self *SElb) GetILoadBalancerBackendGroups() ([]cloudprovider.ICloudLoadbalancerBackendGroup, error) {
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backendgroups, err := self.region.GetElbBackendgroups(self.GetId(), nil)
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if err != nil {
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return nil, err
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}
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ibackendgroups := make([]cloudprovider.ICloudLoadbalancerBackendGroup, len(backendgroups))
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for i := range backendgroups {
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backendgroups[i].lb = self
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ibackendgroups[i] = &backendgroups[i]
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}
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return ibackendgroups, nil
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}
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func (self *SElb) CreateILoadBalancerBackendGroup(group *cloudprovider.SLoadbalancerBackendGroup) (cloudprovider.ICloudLoadbalancerBackendGroup, error) {
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backendgroup, err := self.region.CreateElbBackendgroup(group)
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if err != nil {
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return nil, err
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}
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backendgroup.lb = self
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return backendgroup, nil
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}
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func (self *SElb) GetILoadBalancerBackendGroupById(groupId string) (cloudprovider.ICloudLoadbalancerBackendGroup, error) {
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return self.region.GetElbBackendgroup(groupId)
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}
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func (self *SElb) CreateILoadBalancerListener(ctx context.Context, listener *cloudprovider.SLoadbalancerListener) (cloudprovider.ICloudLoadbalancerListener, error) {
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ret, err := self.region.CreateElbListener(listener)
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if err != nil {
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return nil, err
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}
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ret.lb = self
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return ret, nil
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}
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func (self *SElb) GetILoadBalancerListenerById(listenerId string) (cloudprovider.ICloudLoadbalancerListener, error) {
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if listenerId == "" {
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return nil, ErrorNotFound()
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}
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return self.region.GetElbListener(listenerId)
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}
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func (self *SElb) GetIEIP() (cloudprovider.ICloudEIP, error) {
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return nil, nil
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}
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func (self *SRegion) DeleteElb(elbId string) error {
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client, err := self.GetElbV2Client()
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if err != nil {
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return err
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}
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params := &elbv2.DeleteLoadBalancerInput{}
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params.SetLoadBalancerArn(elbId)
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_, err = client.DeleteLoadBalancer(params)
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if err != nil {
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return err
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}
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return nil
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}
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func (self *SRegion) GetElbBackendgroups(elbId string, backendgroupIds []string) ([]SElbBackendGroup, error) {
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client, err := self.GetElbV2Client()
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if err != nil {
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return nil, err
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}
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params := &elbv2.DescribeTargetGroupsInput{}
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if len(elbId) > 0 {
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params.SetLoadBalancerArn(elbId)
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}
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if len(backendgroupIds) > 0 {
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v := make([]*string, len(backendgroupIds))
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for i := range backendgroupIds {
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v[i] = &backendgroupIds[i]
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}
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params.SetTargetGroupArns(v)
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}
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ret, err := client.DescribeTargetGroups(params)
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if err != nil {
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return nil, err
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}
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backendgroups := []SElbBackendGroup{}
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err = unmarshalAwsOutput(ret, "TargetGroups", &backendgroups)
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if err != nil {
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return nil, err
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}
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for i := range backendgroups {
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backendgroups[i].region = self
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}
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return backendgroups, nil
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}
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func (self *SRegion) GetElbBackendgroup(backendgroupId string) (*SElbBackendGroup, error) {
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client, err := self.GetElbV2Client()
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if err != nil {
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return nil, err
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}
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params := &elbv2.DescribeTargetGroupsInput{}
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params.SetTargetGroupArns([]*string{&backendgroupId})
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ret, err := client.DescribeTargetGroups(params)
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if err != nil {
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if strings.Contains(err.Error(), "TargetGroupNotFound") {
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return nil, cloudprovider.ErrNotFound
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}
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return nil, err
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}
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backendgroups := []SElbBackendGroup{}
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err = unmarshalAwsOutput(ret, "TargetGroups", &backendgroups)
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if err != nil {
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return nil, err
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}
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if len(backendgroups) == 1 {
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backendgroups[0].region = self
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return &backendgroups[0], nil
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}
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return nil, ErrorNotFound()
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}
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func ToAwsHealthCode(s string) string {
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ret := []string{}
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segs := strings.Split(s, ",")
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for _, seg := range segs {
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if seg == api.LB_HEALTH_CHECK_HTTP_CODE_4xx && !utils.IsInStringArray("400-499", ret) {
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ret = append(ret, "400-499")
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} else if seg == api.LB_HEALTH_CHECK_HTTP_CODE_3xx && !utils.IsInStringArray("300-399", ret) {
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ret = append(ret, "300-399")
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} else if seg == api.LB_HEALTH_CHECK_HTTP_CODE_2xx && !utils.IsInStringArray("200-299", ret) {
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ret = append(ret, "200-299")
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}
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}
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return strings.Join(ret, ",")
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}
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func ToOnecloudHealthCode(s string) string {
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ret := []string{}
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segs := strings.Split(s, ",")
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for _, seg := range segs {
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codes := strings.Split(seg, "-")
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for _, code := range codes {
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c, _ := strconv.Atoi(code)
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if c >= 400 && !utils.IsInStringArray(api.LB_HEALTH_CHECK_HTTP_CODE_4xx, ret) {
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ret = append(ret, api.LB_HEALTH_CHECK_HTTP_CODE_4xx)
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} else if c >= 300 && !utils.IsInStringArray(api.LB_HEALTH_CHECK_HTTP_CODE_3xx, ret) {
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ret = append(ret, api.LB_HEALTH_CHECK_HTTP_CODE_3xx)
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} else if c >= 200 && !utils.IsInStringArray(api.LB_HEALTH_CHECK_HTTP_CODE_2xx, ret) {
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ret = append(ret, api.LB_HEALTH_CHECK_HTTP_CODE_2xx)
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}
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}
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if len(codes) == 2 {
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min, _ := strconv.Atoi(codes[0])
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max, _ := strconv.Atoi(codes[1])
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if min >= 200 && max >= 400 {
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if !utils.IsInStringArray(api.LB_HEALTH_CHECK_HTTP_CODE_3xx, ret) {
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ret = append(ret, api.LB_HEALTH_CHECK_HTTP_CODE_3xx)
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}
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}
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}
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}
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return strings.Join(ret, ",")
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}
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// 目前只支持target type ：instance
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func (self *SRegion) CreateElbBackendgroup(group *cloudprovider.SLoadbalancerBackendGroup) (*SElbBackendGroup, error) {
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params := &elbv2.CreateTargetGroupInput{}
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params.SetProtocol(strings.ToUpper(group.ListenType))
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params.SetPort(int64(group.ListenPort))
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params.SetVpcId(group.VpcId)
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params.SetName(group.Name)
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params.SetTargetType("instance")
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if group.HealthCheck != nil {
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params.SetHealthCheckPort("traffic-port")
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params.SetHealthCheckProtocol(strings.ToUpper(group.HealthCheck.HealthCheckType))
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params.SetHealthCheckIntervalSeconds(int64(group.HealthCheck.HealthCheckInterval))
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params.SetHealthyThresholdCount(int64(group.HealthCheck.HealthCheckRise))
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if len(group.HealthCheck.HealthCheckURI) > 0 {
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params.SetHealthCheckPath(group.HealthCheck.HealthCheckURI)
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}
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if utils.IsInStringArray(group.ListenType, []string{api.LB_HEALTH_CHECK_HTTP, api.LB_HEALTH_CHECK_HTTPS}) {
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params.SetHealthCheckTimeoutSeconds(int64(group.HealthCheck.HealthCheckTimeout))
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params.SetUnhealthyThresholdCount(int64(group.HealthCheck.HealthCheckFail))
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codes := ToAwsHealthCode(group.HealthCheck.HealthCheckHttpCode)
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if len(codes) > 0 {
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matcher := &elbv2.Matcher{}
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matcher.SetHttpCode(codes)
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params.SetMatcher(matcher)
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}
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} else {
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// tcp & udp 健康检查阈值与不健康阈值需相同
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params.SetUnhealthyThresholdCount(int64(group.HealthCheck.HealthCheckRise))
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}
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}
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client, err := self.GetElbV2Client()
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if err != nil {
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return nil, err
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}
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ret, err := client.CreateTargetGroup(params)
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if err != nil {
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return nil, err
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}
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backendgroups := []SElbBackendGroup{}
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err = unmarshalAwsOutput(ret, "TargetGroups", &backendgroups)
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if err != nil {
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return nil, err
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}
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if len(backendgroups) == 1 {
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backendgroups[0].region = self
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return &backendgroups[0], nil
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}
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return nil, fmt.Errorf("CreateElbBackendgroup error: %#v", backendgroups)
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}
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