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da2985fe1b
It wasn't used when building an endpoint to the local API server, so Talos couldn't talk to the local API server when port was changed from the default one. Fixes #5706 Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
73 lines
1.9 KiB
Go
73 lines
1.9 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package vm
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import (
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"strconv"
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"strings"
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"syscall"
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"github.com/talos-systems/talos/pkg/machinery/generic/slices"
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"github.com/talos-systems/talos/pkg/provision"
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)
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const (
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lbPid = "lb.pid"
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lbLog = "lb.log"
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)
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// CreateLoadBalancer creates load balancer.
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func (p *Provisioner) CreateLoadBalancer(state *State, clusterReq provision.ClusterRequest) error {
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pidPath := state.GetRelativePath(lbPid)
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logFile, err := os.OpenFile(state.GetRelativePath(lbLog), os.O_APPEND|os.O_CREATE|os.O_RDWR, 0o666)
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if err != nil {
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return err
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}
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defer logFile.Close() //nolint:errcheck
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masterIPs := slices.Map(clusterReq.Nodes.MasterNodes(), func(req provision.NodeRequest) string { return req.IPs[0].String() })
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ports := slices.Map(clusterReq.Network.LoadBalancerPorts, strconv.Itoa)
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args := []string{
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"loadbalancer-launch",
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"--loadbalancer-addr", clusterReq.Network.GatewayAddrs[0].String(),
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"--loadbalancer-upstreams", strings.Join(masterIPs, ","),
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}
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if len(ports) > 0 {
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args = append(args, "--loadbalancer-ports", strings.Join(ports, ","))
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}
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cmd := exec.Command(clusterReq.SelfExecutable, args...)
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cmd.Stdout = logFile
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cmd.Stderr = logFile
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cmd.SysProcAttr = &syscall.SysProcAttr{
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Setsid: true, // daemonize
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}
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if err = cmd.Start(); err != nil {
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return err
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}
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if err = ioutil.WriteFile(pidPath, []byte(strconv.Itoa(cmd.Process.Pid)), os.ModePerm); err != nil {
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return fmt.Errorf("error writing LB PID file: %w", err)
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}
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return nil
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}
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// DestroyLoadBalancer destoys load balancer.
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func (p *Provisioner) DestroyLoadBalancer(state *State) error {
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pidPath := state.GetRelativePath(lbPid)
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return stopProcessByPidfile(pidPath)
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}
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