mirror of
https://github.com/rancher/rke.git
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80 lines
2.4 KiB
Go
80 lines
2.4 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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)
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func runKubelet(host hosts.Host, kubeletService v1.KubeletService, isMaster bool) error {
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imageCfg, hostCfg := buildKubeletConfig(host, kubeletService, isMaster)
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return docker.DoRunContainer(host.DClient, imageCfg, hostCfg, KubeletContainerName, host.Address, WorkerRole)
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}
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func removeKubelet(host hosts.Host) error {
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return docker.DoRemoveContainer(host.DClient, KubeletContainerName, host.Address)
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}
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func buildKubeletConfig(host hosts.Host, kubeletService v1.KubeletService, isMaster bool) (*container.Config, *container.HostConfig) {
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imageCfg := &container.Config{
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Image: kubeletService.Image,
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Entrypoint: []string{"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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"--cgroup-driver=cgroupfs",
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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.KubeNodeConfigPath,
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"--require-kubeconfig=True",
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},
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}
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if isMaster {
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imageCfg.Cmd = append(imageCfg.Cmd, "--node-labels=node-role.kubernetes.io/master=true")
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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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"/etc/cni:/etc/cni:ro",
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"/opt/cni:/opt/cni:ro",
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"/etc/resolv.conf:/etc/resolv.conf",
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"/sys:/sys:ro",
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"/var/lib/docker:/var/lib/docker:rw",
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"/var/lib/kubelet:/var/lib/kubelet:shared",
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"/var/run:/var/run:rw",
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"/run:/run",
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"/dev:/host/dev"},
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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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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 kubeletService.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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