mirror of
https://github.com/rancher/rke.git
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82 lines
2.9 KiB
Go
82 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/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/management.cattle.io/v3"
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)
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func runKubeAPI(ctx context.Context, host *hosts.Host, etcdHosts []*hosts.Host, kubeAPIService v3.KubeAPIService, authorizationMode string, df hosts.DialerFactory) error {
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etcdConnString := GetEtcdConnString(etcdHosts)
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imageCfg, hostCfg := buildKubeAPIConfig(host, kubeAPIService, etcdConnString, authorizationMode)
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if err := docker.DoRunContainer(ctx, host.DClient, imageCfg, hostCfg, KubeAPIContainerName, host.Address, ControlRole); err != nil {
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return err
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}
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return runHealthcheck(ctx, host, KubeAPIPort, false, KubeAPIContainerName, df)
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}
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func removeKubeAPI(ctx context.Context, host *hosts.Host) error {
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return docker.DoRemoveContainer(ctx, host.DClient, KubeAPIContainerName, host.Address)
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}
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func buildKubeAPIConfig(host *hosts.Host, kubeAPIService v3.KubeAPIService, etcdConnString, authorizationMode string) (*container.Config, *container.HostConfig) {
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imageCfg := &container.Config{
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Image: kubeAPIService.Image,
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Entrypoint: []string{"/opt/rke/entrypoint.sh",
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"kube-apiserver",
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"--insecure-bind-address=127.0.0.1",
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"--bind-address=0.0.0.0",
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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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"--kubelet-preferred-address-types=InternalIP,ExternalIP,Hostname",
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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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"--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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if authorizationMode == RBACAuthorizationMode {
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imageCfg.Cmd = append(imageCfg.Cmd, "--authorization-mode=RBAC")
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}
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if kubeAPIService.PodSecurityPolicy {
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imageCfg.Cmd = append(imageCfg.Cmd, "--runtime-config=extensions/v1beta1/podsecuritypolicy=true", "--admission-control=PodSecurityPolicy")
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}
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hostCfg := &container.HostConfig{
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VolumesFrom: []string{
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SidekickContainerName,
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},
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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.Entrypoint = append(imageCfg.Entrypoint, cmd)
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}
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return imageCfg, hostCfg
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}
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