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package services
import (
"context"
"github.com/rancher/rke/hosts"
"github.com/rancher/rke/log"
"github.com/rancher/types/apis/management.cattle.io/v3"
"golang.org/x/sync/errgroup"
)
func RunControlPlane(ctx context.Context, controlHosts, etcdHosts []*hosts.Host, controlServices v3.RKEConfigServices, sidekickImage, authorizationMode string, localConnDialerFactory hosts.DialerFactory, prsMap map[string]v3.PrivateRegistry) error {
log.Infof(ctx, "[%s] Building up Controller Plane..", ControlRole)
var errgrp errgroup.Group
for _, host := range controlHosts {
runHost := host
errgrp.Go(func() error {
return doDeployControlHost(ctx, runHost, etcdHosts, controlServices, sidekickImage, authorizationMode, localConnDialerFactory, prsMap)
})
}
if err := errgrp.Wait(); err != nil {
return err
}
log.Infof(ctx, "[%s] Successfully started Controller Plane..", ControlRole)
return nil
}
func RemoveControlPlane(ctx context.Context, controlHosts []*hosts.Host, force bool) error {
log.Infof(ctx, "[%s] Tearing down the Controller Plane..", ControlRole)
for _, host := range controlHosts {
// remove KubeAPI
if err := removeKubeAPI(ctx, host); err != nil {
return err
}
// remove KubeController
if err := removeKubeController(ctx, host); err != nil {
return nil
}
// remove scheduler
err := removeScheduler(ctx, host)
if err != nil {
return err
}
// check if the host already is a worker
if host.IsWorker {
log.Infof(ctx, "[%s] Host [%s] is already a worker host, skipping delete kubelet and kubeproxy.", ControlRole, host.Address)
} else {
// remove KubeAPI
if err := removeKubelet(ctx, host); err != nil {
return err
}
// remove KubeController
if err := removeKubeproxy(ctx, host); err != nil {
return nil
}
// remove Sidekick
if err := removeSidekick(ctx, host); err != nil {
return err
}
}
}
log.Infof(ctx, "[%s] Successfully tore down Controller Plane..", ControlRole)
return nil
}
func doDeployControlHost(ctx context.Context, host *hosts.Host, etcdHosts []*hosts.Host, controlServices v3.RKEConfigServices, sidekickImage, authorizationMode string, localConnDialerFactory hosts.DialerFactory, prsMap map[string]v3.PrivateRegistry) error {
if host.IsWorker {
if err := removeNginxProxy(ctx, host); err != nil {
return err
}
}
// run sidekick
if err := runSidekick(ctx, host, sidekickImage, prsMap); err != nil {
return err
}
// run kubeapi
if err := runKubeAPI(ctx, host, etcdHosts, controlServices.KubeAPI, authorizationMode, localConnDialerFactory, prsMap); err != nil {
return err
}
// run kubecontroller
if err := runKubeController(ctx, host, controlServices.KubeController, authorizationMode, localConnDialerFactory, prsMap); err != nil {
return err
}
// run scheduler
return runScheduler(ctx, host, controlServices.Scheduler, localConnDialerFactory, prsMap)
}
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