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synced 2026-09-21 00:24:07 +08:00
95 lines
2.4 KiB
Go
95 lines
2.4 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 models
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import (
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"bytes"
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"io/ioutil"
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"path/filepath"
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"text/template"
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agentutils "yunion.io/x/onecloud/pkg/lbagent/utils"
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)
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const keepalivedMiscCheckPath = "/opt/yunion/share/lbagent/healthcheck.sh"
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type GenKeepalivedConfigOptions struct {
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LoadbalancersEnabled []*Loadbalancer
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AgentParams *AgentParams
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}
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func (b *LoadbalancerCorpus) GenKeepalivedConfigs(dir string, opts *GenKeepalivedConfigOptions) error {
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agentParams := opts.AgentParams
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{
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addresses := []string{}
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for _, lb := range opts.LoadbalancersEnabled {
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if lb.Status != "enabled" {
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continue
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}
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if lb.Address == "" {
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continue
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}
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addresses = append(addresses, lb.Address)
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}
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agentParams.SetVrrpParams("addresses", addresses)
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}
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buf := bytes.NewBufferString("# yunion lb auto-generated keepalived.conf\n")
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{
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// write global_defs and vrrp_instance
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keepalivedConfigToplevelTmpl := agentParams.KeepalivedConfigTmpl
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err := keepalivedConfigToplevelTmpl.Execute(buf, agentParams.Data)
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if err != nil {
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return err
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}
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}
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{
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// write keepalived.conf
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d := buf.Bytes()
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p := filepath.Join(dir, "keepalived.conf")
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err := ioutil.WriteFile(p, d, agentutils.FileModeFile)
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if err != nil {
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return err
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}
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}
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return nil
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}
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// TODO retry for down, up?
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var keepalivedConfTmpl = template.Must(template.New("").Parse(`
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{{- define "keepalivedVirtualServerUDP" -}}
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virtual_server {{ .virtual_ip }} {{ .virtual_port }} {
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protocol UDP
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lvs_method NAT
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lvs_sched {{ .scheduler }}
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ha_suspend
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{{- range .real_servers }}
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real_server {{ .real_ip }} {{ .real_port }} {
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weight {{ .weight }}
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inhibit_on_failure
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{{- if .check }}
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MISC_CHECK {
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misc_path {{ .check.misc_path }}
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misc_timeout {{ .check.misc_timeout }}
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delay_loop {{ .check.interval }}
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retry {{ .check.fall }}
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user {{ .check.usergroup }}
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}
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{{- end }}
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}
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{{- end }}
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}
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{{ end }}
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`))
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