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package services
import (
"context"
"fmt"
"github.com/docker/docker/api/types/container"
"github.com/rancher/rke/docker"
"github.com/rancher/rke/hosts"
"github.com/rancher/rke/pki"
"github.com/rancher/types/apis/management.cattle.io/v3"
)
func runScheduler(ctx context.Context, host *hosts.Host, schedulerService v3.SchedulerService, df hosts.DialerFactory) error {
imageCfg, hostCfg := buildSchedulerConfig(host, schedulerService)
if err := docker.DoRunContainer(ctx, host.DClient, imageCfg, hostCfg, SchedulerContainerName, host.Address, ControlRole); err != nil {
return err
}
return runHealthcheck(ctx, host, SchedulerPort, false, SchedulerContainerName, df)
}
func removeScheduler(ctx context.Context, host *hosts.Host) error {
return docker.DoRemoveContainer(ctx, host.DClient, SchedulerContainerName, host.Address)
}
func buildSchedulerConfig(host *hosts.Host, schedulerService v3.SchedulerService) (*container.Config, *container.HostConfig) {
imageCfg := &container.Config{
Image: schedulerService.Image,
Entrypoint: []string{"/opt/rke/entrypoint.sh",
"kube-scheduler",
"--leader-elect=true",
"--v=2",
"--address=0.0.0.0",
"--kubeconfig=" + pki.KubeSchedulerConfigPath,
},
}
hostCfg := &container.HostConfig{
VolumesFrom: []string{
SidekickContainerName,
},
Binds: []string{
"/etc/kubernetes:/etc/kubernetes",
},
NetworkMode: "host",
RestartPolicy: container.RestartPolicy{Name: "always"},
}
for arg, value := range schedulerService.ExtraArgs {
cmd := fmt.Sprintf("--%s=%s", arg, value)
imageCfg.Entrypoint = append(imageCfg.Entrypoint, cmd)
}
return imageCfg, hostCfg
}
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