mirror of
https://github.com/rancher/rke.git
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81 lines
2.7 KiB
Go
81 lines
2.7 KiB
Go
package services
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import (
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"context"
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"fmt"
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"strconv"
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"github.com/docker/docker/api/types/container"
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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 runKubelet(ctx context.Context, host *hosts.Host, kubeletService v3.KubeletService, df hosts.DialerFactory, prsMap map[string]v3.PrivateRegistry) error {
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imageCfg, hostCfg := buildKubeletConfig(host, kubeletService)
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if err := docker.DoRunContainer(ctx, host.DClient, imageCfg, hostCfg, KubeletContainerName, host.Address, WorkerRole, prsMap); err != nil {
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return err
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}
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return runHealthcheck(ctx, host, KubeletPort, true, KubeletContainerName, df)
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}
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func removeKubelet(ctx context.Context, host *hosts.Host) error {
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return docker.DoRemoveContainer(ctx, host.DClient, KubeletContainerName, host.Address)
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}
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func buildKubeletConfig(host *hosts.Host, kubeletService v3.KubeletService) (*container.Config, *container.HostConfig) {
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imageCfg := &container.Config{
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Image: kubeletService.Image,
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Entrypoint: []string{"/opt/rke/entrypoint.sh",
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"kubelet",
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"--v=2",
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"--address=0.0.0.0",
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"--cluster-domain=" + kubeletService.ClusterDomain,
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"--pod-infra-container-image=" + kubeletService.InfraContainerImage,
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"--cgroups-per-qos=True",
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"--enforce-node-allocatable=",
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"--hostname-override=" + host.HostnameOverride,
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"--cluster-dns=" + kubeletService.ClusterDNSServer,
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"--network-plugin=cni",
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"--cni-conf-dir=/etc/cni/net.d",
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"--cni-bin-dir=/opt/cni/bin",
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"--resolv-conf=/etc/resolv.conf",
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"--allow-privileged=true",
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"--cloud-provider=",
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"--kubeconfig=" + pki.GetConfigPath(pki.KubeNodeCertName),
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"--volume-plugin-dir=/var/lib/kubelet/volumeplugins",
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"--require-kubeconfig=True",
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"--fail-swap-on=" + strconv.FormatBool(kubeletService.FailSwapOn),
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},
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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:z",
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"/etc/cni:/etc/cni:ro,z",
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"/opt/cni:/opt/cni:ro,z",
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"/etc/resolv.conf:/etc/resolv.conf",
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"/sys:/sys",
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"/var/lib/docker:/var/lib/docker:rw,z",
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"/var/lib/kubelet:/var/lib/kubelet:shared,z",
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"/var/run:/var/run:rw",
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"/run:/run",
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"/etc/ceph:/etc/ceph",
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"/dev:/host/dev",
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"/var/log/containers:/var/log/containers:z",
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"/var/log/pods:/var/log/pods:z"},
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NetworkMode: "host",
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PidMode: "host",
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Privileged: true,
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RestartPolicy: container.RestartPolicy{Name: "always"},
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}
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for arg, value := range kubeletService.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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