Files
proxmox-tools/proxmox.go

144 lines
3.8 KiB
Go

package main
import (
"bytes"
"fmt"
"os"
"os/exec"
"strconv"
"strings"
)
func findAvailableVMID(config *Config) (int, error) {
sshCmd := func(args ...string) *exec.Cmd {
fullArgs := []string{
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
fmt.Sprintf("%s@%s", strings.Split(config.ProxmoxUser, "@")[0], config.ProxmoxHost),
}
fullArgs = append(fullArgs, args...)
return exec.Command("ssh", fullArgs...)
}
cmd := sshCmd("qm", "list")
var stdout bytes.Buffer
cmd.Stdout = &stdout
if err := cmd.Run(); err != nil {
return 0, fmt.Errorf("failed to list VMs: %w", err)
}
usedIDs := make(map[int]bool)
lines := strings.Split(stdout.String(), "\n")
for _, line := range lines[1:] {
fields := strings.Fields(line)
if len(fields) > 0 {
if vmid, err := strconv.Atoi(fields[0]); err == nil {
usedIDs[vmid] = true
}
}
}
for vmid := 10000; vmid < 20000; vmid++ {
if !usedIDs[vmid] {
return vmid, nil
}
}
return 0, fmt.Errorf("no available VM ID found in range 10000-19999")
}
func buildNetworkConfig(config *Config) string {
netConfig := fmt.Sprintf("virtio,bridge=%s", config.Bridge)
if config.VlanTag > 0 {
netConfig += fmt.Sprintf(",tag=%d", config.VlanTag)
}
return netConfig
}
func createProxmoxVM(config *Config) error {
fmt.Println("Creating Proxmox template...")
sshCmd := func(args ...string) *exec.Cmd {
fullArgs := []string{
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
fmt.Sprintf("%s@%s", strings.Split(config.ProxmoxUser, "@")[0], config.ProxmoxHost),
}
fullArgs = append(fullArgs, args...)
return exec.Command("ssh", fullArgs...)
}
scpCmd := func(src, dst string) *exec.Cmd {
return exec.Command("scp",
"-o", "StrictHostKeyChecking=no",
"-o", "UserKnownHostsFile=/dev/null",
src,
fmt.Sprintf("%s@%s:%s", strings.Split(config.ProxmoxUser, "@")[0], config.ProxmoxHost, dst),
)
}
imageName := fmt.Sprintf("vm-%d-disk-0.qcow2", config.VMID)
remotePath := fmt.Sprintf("/tmp/%s", imageName)
fmt.Println("Uploading image to Proxmox host...")
cmd := scpCmd(config.ImageURL, remotePath)
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to upload image: %w", err)
}
fmt.Println("Creating VM and converting to template...")
commands := [][]string{
{"qm", "create", fmt.Sprintf("%d", config.VMID),
"--name", config.VMName,
"--memory", fmt.Sprintf("%d", config.Memory),
"--cores", fmt.Sprintf("%d", config.Cores),
"--net0", buildNetworkConfig(config),
},
{"qm", "importdisk", fmt.Sprintf("%d", config.VMID), remotePath, config.Storage},
{"qm", "set", fmt.Sprintf("%d", config.VMID),
"--scsihw", "virtio-scsi-pci",
"--scsi0", fmt.Sprintf("%s:vm-%d-disk-0", config.Storage, config.VMID),
},
{"qm", "set", fmt.Sprintf("%d", config.VMID),
"--ide2", fmt.Sprintf("%s:cloudinit", config.Storage),
},
{"qm", "set", fmt.Sprintf("%d", config.VMID),
"--boot", "c",
"--bootdisk", "scsi0",
},
{"qm", "set", fmt.Sprintf("%d", config.VMID),
"--serial0", "socket",
"--vga", "serial0",
},
{"qm", "template", fmt.Sprintf("%d", config.VMID)},
{"rm", "-f", remotePath},
}
for _, cmdArgs := range commands {
fmt.Printf("Running: %s\n", strings.Join(cmdArgs, " "))
cmd := sshCmd(cmdArgs...)
var stdout, stderr bytes.Buffer
cmd.Stdout = &stdout
cmd.Stderr = &stderr
if err := cmd.Run(); err != nil {
fmt.Println(stdout.String())
fmt.Println(stderr.String())
return fmt.Errorf("failed to execute command '%s': %w", strings.Join(cmdArgs, " "), err)
}
if stdout.Len() > 0 {
fmt.Println(stdout.String())
}
}
fmt.Printf("\nTemplate %s (ID: %d) created successfully!\n", config.VMName, config.VMID)
fmt.Printf("You can clone it with: qm clone %d <new-vm-id> --name <new-vm-name>\n", config.VMID)
return nil
}