k3s/pkg/daemons/agent/agent_windows.go

103 lines
3.3 KiB
Go

//go:build windows
// +build windows
package agent
import (
"net"
"path/filepath"
"strings"
"github.com/k3s-io/k3s/pkg/daemons/config"
"github.com/k3s-io/k3s/pkg/util"
"github.com/sirupsen/logrus"
kubeletconfig "k8s.io/kubelet/config/v1beta1"
utilsnet "k8s.io/utils/net"
utilsptr "k8s.io/utils/ptr"
)
const (
socketPrefix = "npipe://"
)
func kubeProxyArgs(cfg *config.Agent) map[string]string {
bindAddress := "127.0.0.1"
if utilsnet.IsIPv6(net.ParseIP(cfg.NodeIP)) {
bindAddress = "::1"
}
argsMap := map[string]string{
"proxy-mode": "kernelspace",
"healthz-bind-address": bindAddress,
"kubeconfig": cfg.KubeConfigKubeProxy,
"cluster-cidr": util.JoinIPNets(cfg.ClusterCIDRs),
}
if cfg.NodeName != "" {
argsMap["hostname-override"] = cfg.NodeName
}
return argsMap
}
// kubeletArgsAndConfig generates default kubelet args and configuration.
// Kubelet config is frustratingly split across deprecated CLI flags that raise warnings if you use them,
// and a structured configuration file that upstream does not provide a convienent way to initailize with default values.
// The defaults and our desired config also vary by OS.
func kubeletArgsAndConfig(cfg *config.Agent) (map[string]string, *kubeletconfig.KubeletConfiguration, error) {
defaultConfig, err := defaultKubeletConfig(cfg)
if err != nil {
return nil, nil, err
}
argsMap := map[string]string{
"config-dir": cfg.KubeletConfigDir,
"kubeconfig": cfg.KubeConfigKubelet,
}
if cfg.RootDir != "" {
argsMap["root-dir"] = cfg.RootDir
argsMap["cert-dir"] = filepath.Join(cfg.RootDir, "pki")
}
if cfg.RuntimeSocket != "" {
defaultConfig.SerializeImagePulls = utilsptr.To(false)
// cadvisor wants the containerd CRI socket without the prefix, but kubelet wants it with the prefix
if strings.HasPrefix(cfg.RuntimeSocket, socketPrefix) {
defaultConfig.ContainerRuntimeEndpoint = cfg.RuntimeSocket
} else {
defaultConfig.ContainerRuntimeEndpoint = socketPrefix + cfg.RuntimeSocket
}
}
if cfg.ImageServiceSocket != "" {
if strings.HasPrefix(cfg.ImageServiceSocket, socketPrefix) {
defaultConfig.ImageServiceEndpoint = cfg.ImageServiceSocket
} else {
defaultConfig.ImageServiceEndpoint = socketPrefix + cfg.ImageServiceSocket
}
}
if cfg.NodeName != "" {
argsMap["hostname-override"] = cfg.NodeName
}
// If the embedded CCM is disabled, don't assume that dual-stack node IPs are safe.
// When using an external CCM, the user wants dual-stack node IPs, they will need to set the node-ip kubelet arg directly.
// This should be fine since most cloud providers have their own way of finding node IPs that doesn't depend on the kubelet
// setting them.
if cfg.DisableCCM {
dualStack, err := utilsnet.IsDualStackIPs(cfg.NodeIPs)
if err == nil && !dualStack {
argsMap["node-ip"] = cfg.NodeIP
}
} else {
argsMap["cloud-provider"] = "external"
if nodeIPs := util.JoinIPs(cfg.NodeIPs); nodeIPs != "" {
argsMap["node-ip"] = util.JoinIPs(cfg.NodeIPs)
}
}
argsMap["node-labels"] = strings.Join(cfg.NodeLabels, ",")
if ImageCredProvAvailable(cfg) {
logrus.Infof("Kubelet image credential provider bin dir and configuration file found.")
argsMap["image-credential-provider-bin-dir"] = cfg.ImageCredProvBinDir
argsMap["image-credential-provider-config"] = cfg.ImageCredProvConfig
}
return argsMap, defaultConfig, nil
}