116 lines
2.7 KiB
Go
116 lines
2.7 KiB
Go
package vm
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import (
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"fmt"
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"math/rand"
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"strconv"
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"strings"
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"git.g3e.fr/syonad/two/internal/dhcp"
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"git.g3e.fr/syonad/two/pkg/db/kv"
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"github.com/dgraph-io/badger/v4"
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)
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type vmData struct {
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subnetName string
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vpcName string
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interfaceIP string
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bridge string
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tapID int
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ip string
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metadataPort string
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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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uefi bool
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password string
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sshkey string
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}
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func loadVM(db *badger.DB, name string) (vmData, error) {
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var d vmData
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subnetName, err := kv.GetFromDB(db, "vm/"+name+"/subnet")
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if err != nil {
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return d, fmt.Errorf("get subnet: %w", err)
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}
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d.subnetName = subnetName
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d.bridge = "br-" + strings.SplitN(subnetName, "-", 2)[1]
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vpcName, err := kv.GetFromDB(db, "subnet/"+subnetName+"/vpc")
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if err != nil {
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return d, fmt.Errorf("get vpc: %w", err)
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}
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d.vpcName = vpcName
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interfaceIP, err := kv.GetFromDB(db, "subnet/"+subnetName+"/interface_ip")
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if err != nil {
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return d, fmt.Errorf("get interface_ip: %w", err)
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}
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d.interfaceIP = interfaceIP
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tapIDStr, err := kv.GetFromDB(db, "vm/"+name+"/tap_id")
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if err != nil {
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d.tapID = rand.Intn(90000000) + 10000000
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if err := kv.AddInDB(db, "vm/"+name+"/tap_id", strconv.Itoa(d.tapID)); err != nil {
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return d, fmt.Errorf("store tap_id: %w", err)
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}
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} else {
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tapID, err := strconv.Atoi(tapIDStr)
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if err != nil {
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return d, fmt.Errorf("parse tap_id: %w", err)
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}
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d.tapID = tapID
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}
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ip, err := kv.GetFromDB(db, "vm/"+name+"/ip")
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if err != nil {
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return d, fmt.Errorf("get ip: %w", err)
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}
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d.ip = ip
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metadataPort, err := kv.GetFromDB(db, "vm/"+name+"/metadata_port")
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if err != nil {
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return d, fmt.Errorf("get metadata_port: %w", err)
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}
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d.metadataPort = metadataPort
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mac, err := dhcp.GetMACForIP(db, d.subnetName, d.ip)
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if err != nil {
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return d, fmt.Errorf("get mac for ip %s: %w", d.ip, err)
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}
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d.mac = mac
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volumePath, err := kv.GetFromDB(db, "vm/"+name+"/volume_path")
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if err != nil {
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return d, fmt.Errorf("get volume_path: %w", err)
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}
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d.volumePath = volumePath
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memoryStr, err := kv.GetFromDB(db, "vm/"+name+"/memory")
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if err != nil {
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return d, fmt.Errorf("get memory: %w", err)
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}
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d.memory, err = strconv.Atoi(memoryStr)
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if err != nil {
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return d, fmt.Errorf("parse memory: %w", err)
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}
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cpusStr, err := kv.GetFromDB(db, "vm/"+name+"/cpus")
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if err != nil {
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return d, fmt.Errorf("get cpus: %w", err)
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}
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d.cpus, err = strconv.Atoi(cpusStr)
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if err != nil {
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return d, fmt.Errorf("parse cpus: %w", err)
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}
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if v, _ := kv.GetFromDB(db, "vm/"+name+"/uefi"); v == "true" {
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d.uefi = true
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}
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d.password, _ = kv.GetFromDB(db, "vm/"+name+"/password")
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d.sshkey, _ = kv.GetFromDB(db, "vm/"+name+"/sshkey")
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return d, nil
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}
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