mirror of
https://github.com/rancher/rke.git
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00628a4423
add debugging to hosts.go add kubelet and kubeproxy defaults to cluster file add more service configuration remove hosts sudo
92 lines
2.9 KiB
Go
92 lines
2.9 KiB
Go
package services
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import (
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"context"
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"fmt"
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"github.com/Sirupsen/logrus"
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"github.com/docker/docker/api/types"
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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/hosts"
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)
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type KubeAPI struct {
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Version string `yaml:"version"`
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Image string `yaml:"image"`
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ServiceClusterIPRange string `yaml:"service_cluster_ip_range"`
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}
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func runKubeAPI(host hosts.Host, etcdHosts []hosts.Host, kubeAPIService KubeAPI) error {
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isRunning, err := IsContainerRunning(host, KubeAPIContainerName)
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if err != nil {
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return err
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}
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if isRunning {
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logrus.Infof("[ControlPlane] KubeAPI is already running on host [%s]", host.Hostname)
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return nil
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}
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etcdConnString := getEtcdConnString(etcdHosts)
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err = runKubeAPIContainer(host, kubeAPIService, etcdConnString)
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if err != nil {
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return err
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}
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return nil
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}
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func runKubeAPIContainer(host hosts.Host, kubeAPIService KubeAPI, etcdConnString string) error {
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logrus.Debugf("[ControlPlane] Pulling Kube API Image on host [%s]", host.Hostname)
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err := PullImage(host, kubeAPIService.Image+":"+kubeAPIService.Version)
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if err != nil {
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return err
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}
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logrus.Infof("[ControlPlane] Successfully pulled Kube API image on host [%s]", host.Hostname)
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err = doRunKubeAPI(host, kubeAPIService, etcdConnString)
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if err != nil {
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return err
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}
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logrus.Infof("[ControlPlane] Successfully ran Kube API container on host [%s]", host.Hostname)
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return nil
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}
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func doRunKubeAPI(host hosts.Host, kubeAPIService KubeAPI, etcdConnString string) error {
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imageCfg := &container.Config{
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Image: kubeAPIService.Image + ":" + kubeAPIService.Version,
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Cmd: []string{"/hyperkube",
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"apiserver",
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"--insecure-bind-address=0.0.0.0",
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"--insecure-port=8080",
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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=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.IP},
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}
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hostCfg := &container.HostConfig{
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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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resp, err := host.DClient.ContainerCreate(context.Background(), imageCfg, hostCfg, nil, KubeAPIContainerName)
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if err != nil {
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return fmt.Errorf("Failed to create Kube API container on host [%s]: %v", host.Hostname, err)
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}
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if err := host.DClient.ContainerStart(context.Background(), resp.ID, types.ContainerStartOptions{}); err != nil {
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return fmt.Errorf("Failed to start Kube API container on host [%s]: %v", host.Hostname, err)
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}
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logrus.Debugf("[ControlPlane] Successfully started Kube API container: %s", resp.ID)
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return nil
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}
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