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f-50: lab: arguments QEMU et seeds cloud-init des VM #50

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Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-10-04 01:17:12 +02:00
commit f3515ca370
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
9 changed files with 1132 additions and 10 deletions
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54
internal/lab/render/qemu.go Normal file
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package render
import (
"fmt"
"path/filepath"
"strconv"
"git.g3e.fr/syonad/two/internal/lab/topology"
)
const loopback = "127.0.0.1"
func qemuArgs(p *topology.Plan, n topology.NodePlan, index int, dir string) []string {
args := []string{
"-name", n.Name,
"-machine", "q35",
"-accel", "kvm",
"-cpu", "host",
"-smp", strconv.Itoa(n.CPUs),
"-m", strconv.Itoa(n.Memory),
"-nodefaults",
"-display", "none",
"-serial", "file:" + filepath.Join(dir, ConsoleFile),
"-qmp", "unix:" + filepath.Join(dir, QMPFile) + ",server=on,wait=off",
"-pidfile", filepath.Join(dir, PIDFile),
"-drive", "file=" + filepath.Join(dir, DiskFile) + ",if=virtio,format=qcow2",
"-drive", "file=" + filepath.Join(dir, SeedFile) + ",media=cdrom,readonly=on",
}
restrict := "on"
if n.Role == topology.RoleSwitch {
restrict = "off"
}
args = append(args,
"-netdev", fmt.Sprintf("user,id=%s,restrict=%s,ipv6=off,hostfwd=tcp:%s:%d-:22", AdminInterface, restrict, loopback, n.SSHPort),
"-device", fmt.Sprintf("virtio-net-pci,netdev=%s,mac=%s,romfile=", AdminInterface, adminMAC(index)),
)
for _, c := range nodeCables(p, n.Name) {
args = append(args, cable(c.NodeInterface, c.NodePort, c.SwitchPort, c.NodeMAC.String(), c.MTU)...)
}
for _, c := range switchCables(p, n.Name) {
args = append(args, cable(c.SwitchInterface, c.SwitchPort, c.NodePort, c.SwitchMAC.String(), c.MTU)...)
}
return args
}
func cable(id string, local, remote int, mac string, mtu int) []string {
return []string{
"-netdev", fmt.Sprintf("dgram,id=%s,local.type=inet,local.host=%s,local.port=%d,remote.type=inet,remote.host=%s,remote.port=%d",
id, loopback, local, loopback, remote),
"-device", fmt.Sprintf("virtio-net-pci,netdev=%s,mac=%s,host_mtu=%d,romfile=", id, mac, mtu),
}
}