mirror of https://github.com/k3s-io/k3s
[K3s][Windows Port] Build script, multi-call binary, and Flannel (#7259)
* initial windows port. Signed-off-by: Sean Yen <seanyen@microsoft.com> Signed-off-by: Derek Nola <derek.nola@suse.com> Co-authored-by: Derek Nola <derek.nola@suse.com> Co-authored-by: Wei Ran <weiran@microsoft.com>pull/8667/head
Sean Yen
1 year ago
committed by
GitHub
parent
aaf8409096
commit
0c9bf36fe0
@ -0,0 +1,20 @@
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//go:build linux
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// +build linux
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package main
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import (
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"os"
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"syscall"
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"github.com/pkg/errors"
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)
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const programPostfix = ""
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func runExec(cmd string, args []string, calledAsInternal bool) (err error) {
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if err := syscall.Exec(cmd, args, os.Environ()); err != nil {
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return errors.Wrapf(err, "exec %s failed", cmd)
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}
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return nil
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}
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@ -0,0 +1,24 @@
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//go:build windows
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// +build windows
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package main
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import (
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"os"
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"os/exec"
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)
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const programPostfix = ".exe"
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func runExec(cmd string, args []string, calledAsInternal bool) (err error) {
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// syscall.Exec: not supported by windows
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if calledAsInternal {
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args = args[1:]
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}
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cmdObj := exec.Command(cmd, args...)
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cmdObj.Stdout = os.Stdout
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cmdObj.Stderr = os.Stderr
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cmdObj.Stdin = os.Stdin
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cmdObj.Env = os.Environ()
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return cmdObj.Run()
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}
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@ -0,0 +1,38 @@
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//go:build linux
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// +build linux
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package flannel
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const (
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cniConf = `{
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"name":"cbr0",
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"cniVersion":"1.0.0",
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"plugins":[
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{
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"type":"flannel",
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"delegate":{
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"hairpinMode":true,
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"forceAddress":true,
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"isDefaultGateway":true
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}
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},
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{
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"type":"portmap",
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"capabilities":{
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"portMappings":true
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}
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},
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{
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"type":"bandwidth",
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"capabilities":{
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"bandwidth":true
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}
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}
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]
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}
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`
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vxlanBackend = `{
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"Type": "vxlan"
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}`
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)
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@ -0,0 +1,59 @@
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//go:build windows
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// +build windows
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package flannel
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const (
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cniConf = `{
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"name":"flannel.4096",
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"cniVersion":"1.0.0",
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"plugins":[
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{
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"type":"flannel",
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"capabilities": {
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"portMappings": true,
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"dns": true
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},
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"delegate": {
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"type": "win-overlay",
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"apiVersion": 2,
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"Policies": [{
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"Name": "EndpointPolicy",
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"Value": {
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"Type": "OutBoundNAT",
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"Settings": {
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"Exceptions": [
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"%CLUSTER_CIDR%", "%SERVICE_CIDR%"
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]
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}
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}
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}, {
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"Name": "EndpointPolicy",
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"Value": {
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"Type": "SDNRoute",
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"Settings": {
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"DestinationPrefix": "%SERVICE_CIDR%",
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"NeedEncap": true
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}
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}
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}, {
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"name": "EndpointPolicy",
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"value": {
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"Type": "ProviderAddress",
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"Settings": {
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"ProviderAddress": "%IPV4_ADDRESS%"
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}
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}
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}]
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}
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}
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]
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}
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`
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vxlanBackend = `{
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"Type": "vxlan",
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"VNI": 4096,
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"Port": 4789
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}`
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)
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@ -1,11 +1,17 @@
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package crictl
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import (
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"os"
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"runtime"
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"github.com/kubernetes-sigs/cri-tools/cmd/crictl"
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"github.com/urfave/cli"
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)
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func Run(ctx *cli.Context) error {
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if runtime.GOOS == "windows" {
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os.Args = os.Args[1:]
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}
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crictl.Main()
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return nil
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}
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@ -0,0 +1,27 @@
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//go:build ctrd
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// +build ctrd
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/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package containerd
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import (
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_ "github.com/containerd/containerd/diff/lcow"
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_ "github.com/containerd/containerd/diff/windows"
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_ "github.com/containerd/containerd/snapshots/lcow"
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_ "github.com/containerd/containerd/snapshots/windows"
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)
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@ -0,0 +1,16 @@
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//go:build linux && !no_embedded_executor
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// +build linux,!no_embedded_executor
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package executor
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import (
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daemonconfig "github.com/k3s-io/k3s/pkg/daemons/config"
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// registering k3s cloud provider
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_ "github.com/k3s-io/k3s/pkg/cloudprovider"
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)
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func platformKubeProxyArgs(nodeConfig *daemonconfig.Node) map[string]string {
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argsMap := map[string]string{}
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return argsMap
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}
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@ -0,0 +1,90 @@
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//go:build windows && !no_embedded_executor
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// +build windows,!no_embedded_executor
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package executor
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import (
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"encoding/json"
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"os"
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"os/exec"
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"strings"
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"time"
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"github.com/Microsoft/hcsshim"
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"github.com/sirupsen/logrus"
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// registering k3s cloud provider
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_ "github.com/k3s-io/k3s/pkg/cloudprovider"
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daemonconfig "github.com/k3s-io/k3s/pkg/daemons/config"
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)
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const (
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networkName = "flannel.4096"
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)
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type SourceVipResponse struct {
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IP4 struct {
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IP string `json:"ip"`
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} `json:"ip4"`
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}
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func platformKubeProxyArgs(nodeConfig *daemonconfig.Node) map[string]string {
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argsMap := map[string]string{}
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argsMap["network-name"] = networkName
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if sourceVip := waitForSourceVip(networkName, nodeConfig); sourceVip != "" {
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argsMap["source-vip"] = sourceVip
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}
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return argsMap
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}
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func waitForSourceVip(networkName string, nodeConfig *daemonconfig.Node) string {
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for range time.Tick(time.Second * 5) {
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network, err := hcsshim.GetHNSNetworkByName(networkName)
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if err != nil {
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logrus.WithError(err).Warningf("can't find HNS network, retrying %s", networkName)
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continue
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}
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if network.ManagementIP == "" {
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logrus.WithError(err).Warningf("wait for management IP, retrying %s", networkName)
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continue
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}
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subnet := network.Subnets[0].AddressPrefix
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configData := `{
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"cniVersion": "0.2.0",
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"name": "vxlan0",
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"ipam": {
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"type": "host-local",
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"ranges": [[{"subnet":"` + subnet + `"}]],
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"dataDir": "/var/lib/cni/networks"
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}
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}`
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cmd := exec.Command("host-local.exe")
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cmd.Env = append(os.Environ(),
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"CNI_COMMAND=ADD",
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"CNI_CONTAINERID=dummy",
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"CNI_NETNS=dummy",
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"CNI_IFNAME=dummy",
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"CNI_PATH="+nodeConfig.AgentConfig.CNIBinDir,
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)
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cmd.Stdin = strings.NewReader(configData)
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out, err := cmd.Output()
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if err != nil {
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logrus.WithError(err).Warning("Failed to execute host-local.exe")
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continue
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}
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var sourceVipResp SourceVipResponse
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err = json.Unmarshal(out, &sourceVipResp)
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if err != nil {
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logrus.WithError(err).Warning("Failed to unmarshal sourceVip response")
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continue
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}
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return strings.TrimSpace(strings.Split(sourceVipResp.IP4.IP, "/")[0])
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}
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return ""
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}
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