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package services
import (
"github.com/rancher/rke/hosts"
"github.com/rancher/types/apis/management.cattle.io/v3"
"github.com/sirupsen/logrus"
"golang.org/x/sync/errgroup"
)
func RunWorkerPlane(controlHosts, workerHosts []*hosts.Host, workerServices v3.RKEConfigServices, nginxProxyImage, sidekickImage string, healthcheckDialerFactory hosts.DialerFactory) error {
logrus.Infof("[%s] Building up Worker Plane..", WorkerRole)
var errgrp errgroup.Group
// Deploy worker components on control hosts
for _, host := range controlHosts {
controlHost := host
errgrp.Go(func() error {
return doDeployWorkerPlane(controlHost, workerServices, nginxProxyImage, sidekickImage, healthcheckDialerFactory, controlHosts)
})
}
if err := errgrp.Wait(); err != nil {
return err
}
// Deploy worker components on worker hosts
for _, host := range workerHosts {
workerHost := host
errgrp.Go(func() error {
return doDeployWorkerPlane(workerHost, workerServices, nginxProxyImage, sidekickImage, healthcheckDialerFactory, controlHosts)
})
}
if err := errgrp.Wait(); err != nil {
return err
}
logrus.Infof("[%s] Successfully started Worker Plane..", WorkerRole)
return nil
}
func RemoveWorkerPlane(workerHosts []*hosts.Host, force bool) error {
logrus.Infof("[%s] Tearing down Worker Plane..", WorkerRole)
for _, host := range workerHosts {
// check if the host already is a controlplane
if host.IsControl && !force {
logrus.Infof("[%s] Host [%s] is already a controlplane host, nothing to do.", WorkerRole, host.Address)
return nil
}
if err := removeKubelet(host); err != nil {
return err
}
if err := removeKubeproxy(host); err != nil {
return err
}
if err := removeNginxProxy(host); err != nil {
return err
}
if err := removeSidekick(host); err != nil {
return err
}
logrus.Infof("[%s] Successfully teared down Worker Plane..", WorkerRole)
}
return nil
}
func doDeployWorkerPlane(host *hosts.Host,
workerServices v3.RKEConfigServices,
nginxProxyImage, sidekickImage string,
healthcheckDialerFactory hosts.DialerFactory,
controlHosts []*hosts.Host) error {
// run nginx proxy
if !host.IsControl {
if err := runNginxProxy(host, controlHosts, nginxProxyImage); err != nil {
return err
}
}
// run sidekick
if err := runSidekick(host, sidekickImage); err != nil {
return err
}
// run kubelet
if err := runKubelet(host, workerServices.Kubelet, healthcheckDialerFactory); err != nil {
return err
}
return runKubeproxy(host, workerServices.Kubeproxy, healthcheckDialerFactory)
}
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