mirror of
https://github.com/rancher/rke.git
synced 2025-06-27 15:59:37 +00:00
90 lines
3.2 KiB
Go
90 lines
3.2 KiB
Go
package services
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import (
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"fmt"
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"github.com/docker/docker/api/types/container"
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"github.com/docker/go-connections/nat"
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"github.com/rancher/rke/docker"
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"github.com/rancher/rke/hosts"
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"github.com/rancher/rke/pki"
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"github.com/rancher/types/apis/cluster.cattle.io/v1"
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"github.com/sirupsen/logrus"
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)
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func runKubeAPI(host hosts.Host, etcdHosts []hosts.Host, kubeAPIService v1.KubeAPIService) error {
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etcdConnString := getEtcdConnString(etcdHosts)
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imageCfg, hostCfg := buildKubeAPIConfig(host, kubeAPIService, etcdConnString)
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return docker.DoRunContainer(host.DClient, imageCfg, hostCfg, KubeAPIContainerName, host.AdvertisedHostname, ControlRole)
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}
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func upgradeKubeAPI(host hosts.Host, etcdHosts []hosts.Host, kubeAPIService v1.KubeAPIService) error {
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logrus.Debugf("[upgrade/KubeAPI] Checking for deployed version")
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containerInspect, err := docker.InspectContainer(host.DClient, host.AdvertisedHostname, KubeAPIContainerName)
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if err != nil {
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return err
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}
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if containerInspect.Config.Image == kubeAPIService.Image {
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logrus.Infof("[upgrade/KubeAPI] KubeAPI is already up to date")
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return nil
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}
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logrus.Debugf("[upgrade/KubeAPI] Stopping old container")
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oldContainerName := "old-" + KubeAPIContainerName
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if err := docker.StopRenameContainer(host.DClient, host.AdvertisedHostname, KubeAPIContainerName, oldContainerName); err != nil {
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return err
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}
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// Container doesn't exist now!, lets deploy it!
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logrus.Debugf("[upgrade/KubeAPI] Deploying new container")
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if err := runKubeAPI(host, etcdHosts, kubeAPIService); err != nil {
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return err
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}
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logrus.Debugf("[upgrade/KubeAPI] Removing old container")
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err = docker.RemoveContainer(host.DClient, host.AdvertisedHostname, oldContainerName)
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return err
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}
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func buildKubeAPIConfig(host hosts.Host, kubeAPIService v1.KubeAPIService, etcdConnString string) (*container.Config, *container.HostConfig) {
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imageCfg := &container.Config{
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Image: kubeAPIService.Image,
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Cmd: []string{"/hyperkube",
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"apiserver",
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"--insecure-bind-address=127.0.0.1",
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"--insecure-port=8080",
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"--secure-port=6443",
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"--cloud-provider=",
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"--allow_privileged=true",
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"--service-cluster-ip-range=" + kubeAPIService.ServiceClusterIPRange,
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"--admission-control=ServiceAccount,NamespaceLifecycle,LimitRanger,PersistentVolumeLabel,DefaultStorageClass,ResourceQuota,DefaultTolerationSeconds",
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"--runtime-config=batch/v2alpha1",
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"--runtime-config=authentication.k8s.io/v1beta1=true",
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"--storage-backend=etcd3",
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"--etcd-servers=" + etcdConnString,
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"--advertise-address=" + host.AdvertiseAddress,
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"--client-ca-file=" + pki.CACertPath,
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"--tls-cert-file=" + pki.KubeAPICertPath,
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"--tls-private-key-file=" + pki.KubeAPIKeyPath,
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"--service-account-key-file=" + pki.KubeAPIKeyPath},
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}
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hostCfg := &container.HostConfig{
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Binds: []string{
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"/etc/kubernetes:/etc/kubernetes",
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},
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NetworkMode: "host",
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RestartPolicy: container.RestartPolicy{Name: "always"},
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PortBindings: nat.PortMap{
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"8080/tcp": []nat.PortBinding{
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{
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HostIP: "0.0.0.0",
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HostPort: "8080",
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},
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},
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},
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}
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for arg, value := range kubeAPIService.ExtraArgs {
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cmd := fmt.Sprintf("--%s=%s", arg, value)
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imageCfg.Cmd = append(imageCfg.Cmd, cmd)
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}
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return imageCfg, hostCfg
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}
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