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142710e03e
...
877cfc7260
5 changed files with 0 additions and 154 deletions
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@ -1,28 +0,0 @@
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//go:build linux
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package netif
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import (
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"fmt"
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"git.g3e.fr/syonad/two/internal/netns"
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"github.com/vishvananda/netlink"
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)
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func CreateTap(tapID int, bridgeName, vpcName string) error {
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name := fmt.Sprintf("tap%d", tapID)
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return netns.Call(vpcName, func() error {
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tap := &netlink.Tuntap{
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LinkAttrs: netlink.LinkAttrs{Name: name},
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Mode: netlink.TUNTAP_MODE_TAP,
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}
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if err := netlink.LinkAdd(tap); err != nil {
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return err
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}
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if err := BridgeSetMaster(name, bridgeName); err != nil {
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return err
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}
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return LinkSetUp(name)
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})
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}
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@ -1,9 +0,0 @@
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//go:build !linux
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package netif
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import "errors"
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func CreateTap(_ int, _, _ string) error {
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return errors.New("netif: tap not supported on this platform")
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}
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@ -1,50 +0,0 @@
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package qmp
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import (
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"bufio"
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"encoding/json"
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"fmt"
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"net"
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"strings"
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)
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func Send(socketPath string, commands []string) ([]json.RawMessage, error) {
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conn, err := net.Dial("unix", socketPath)
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if err != nil {
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return nil, fmt.Errorf("qmp dial: %w", err)
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}
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defer conn.Close()
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r := bufio.NewReader(conn)
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if _, err := r.ReadString('\n'); err != nil {
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return nil, fmt.Errorf("qmp read greeting: %w", err)
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}
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var sb strings.Builder
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sb.WriteString(`{ "execute": "qmp_capabilities" }`)
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for _, cmd := range commands {
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sb.WriteByte('\n')
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sb.WriteString(cmd)
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}
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sb.WriteByte('\n')
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if _, err := fmt.Fprint(conn, sb.String()); err != nil {
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return nil, fmt.Errorf("qmp write: %w", err)
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}
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if _, err := r.ReadString('\n'); err != nil {
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return nil, fmt.Errorf("qmp read capabilities response: %w", err)
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}
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var results []json.RawMessage
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for range commands {
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line, err := r.ReadString('\n')
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if err != nil {
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return nil, fmt.Errorf("qmp read response: %w", err)
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}
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results = append(results, json.RawMessage(line))
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}
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return results, nil
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}
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@ -1,53 +0,0 @@
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//go:build linux
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package vm
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import (
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"fmt"
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"os/exec"
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"git.g3e.fr/syonad/two/internal/netns"
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)
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type Config struct {
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Name string
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VpcName string
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TapID int
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Mac string
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VolumePath string
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Memory int
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CPUs int
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}
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func Start(cfg Config) error {
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memory := cfg.Memory
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if memory == 0 {
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memory = 512
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}
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cpus := cfg.CPUs
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if cpus == 0 {
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cpus = 1
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}
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return netns.Call(cfg.VpcName, func() error {
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cmd := exec.Command("qemu-system-x86_64",
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"-enable-kvm",
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"-cpu", "host",
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"-m", fmt.Sprintf("%d", memory),
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"-smp", fmt.Sprintf("%d", cpus),
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"-serial", fmt.Sprintf("unix:/tmp/%s.sock,server,nowait", cfg.Name),
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"-monitor", fmt.Sprintf("unix:/tmp/%s.mon-sock,server,nowait", cfg.Name),
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"-qmp", fmt.Sprintf("unix:/tmp/%s.qmp-sock,server,nowait", cfg.Name),
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"-display", "none",
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"-drive", fmt.Sprintf("file=%s,if=virtio", cfg.VolumePath),
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"-netdev", fmt.Sprintf("tap,id=net0,ifname=tap%d,script=no,downscript=no", cfg.TapID),
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"-device", fmt.Sprintf("virtio-net-pci,netdev=net0,mac=%s", cfg.Mac),
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"-daemonize",
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)
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if err := cmd.Run(); err != nil {
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return fmt.Errorf("qemu-system-x86_64: %w", err)
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}
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return nil
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})
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}
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@ -1,14 +0,0 @@
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//go:build !linux
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package vm
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import "errors"
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type Config struct {
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Name, VpcName, Mac, VolumePath string
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TapID, Memory, CPUs int
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}
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func Start(cfg Config) error {
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return errors.New("vm: not supported on this platform")
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}
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