f-25: code: move load data to dedicated function

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

internal/vm/data.go

@@ -0,0 +1,100 @@
+package vm
+
+import (
+	"fmt"
+	"strconv"
+	"strings"
+
+	"git.g3e.fr/syonad/two/pkg/db/kv"
+	"github.com/dgraph-io/badger/v4"
+)
+
+type vmData struct {
+	subnetName   string
+	vpcName      string
+	gatewayIP    string
+	bridge       string
+	tapID        int
+	ip           string
+	metadataPort string
+	mac          string
+	volumePath   string
+	memory       int
+	cpus         int
+	password     string
+	sshkey       string
+}
+
+func loadVM(db *badger.DB, name string) (vmData, error) {
+	var d vmData
+
+	subnetName, err := kv.GetFromDB(db, "vm/"+name+"/subnet")
+	if err != nil {
+		return d, fmt.Errorf("get subnet: %w", err)
+	}
+	d.subnetName = subnetName
+	d.bridge = "br-" + strings.SplitN(subnetName, "-", 2)[1]
+
+	vpcName, err := kv.GetFromDB(db, "subnet/"+subnetName+"/vpc")
+	if err != nil {
+		return d, fmt.Errorf("get vpc: %w", err)
+	}
+	d.vpcName = vpcName
+
+	gatewayIP, err := kv.GetFromDB(db, "subnet/"+subnetName+"/gateway_ip")
+	if err != nil {
+		return d, fmt.Errorf("get gateway_ip: %w", err)
+	}
+	d.gatewayIP = gatewayIP
+
+	tapIDStr, err := kv.GetFromDB(db, "vm/"+name+"/tap_id")
+	if err != nil {
+		return d, fmt.Errorf("get tap_id: %w", err)
+	}
+	tapID, err := strconv.Atoi(tapIDStr)
+	if err != nil {
+		return d, fmt.Errorf("parse tap_id: %w", err)
+	}
+	d.tapID = tapID
+
+	ip, err := kv.GetFromDB(db, "vm/"+name+"/ip")
+	if err != nil {
+		return d, fmt.Errorf("get ip: %w", err)
+	}
+	d.ip = ip
+
+	metadataPort, err := kv.GetFromDB(db, "vm/"+name+"/metadata_port")
+	if err != nil {
+		return d, fmt.Errorf("get metadata_port: %w", err)
+	}
+	d.metadataPort = metadataPort
+
+	mac, err := kv.GetFromDB(db, "vm/"+name+"/mac")
+	if err != nil {
+		return d, fmt.Errorf("get mac: %w", err)
+	}
+	d.mac = mac
+
+	volumePath, err := kv.GetFromDB(db, "vm/"+name+"/volume_path")
+	if err != nil {
+		return d, fmt.Errorf("get volume_path: %w", err)
+	}
+	d.volumePath = volumePath
+
+	memoryStr, err := kv.GetFromDB(db, "vm/"+name+"/memory")
+	if err != nil {
+		return d, fmt.Errorf("get memory: %w", err)
+	}
+	d.memory, _ = strconv.Atoi(memoryStr)
+
+	cpusStr, err := kv.GetFromDB(db, "vm/"+name+"/cpus")
+	if err != nil {
+		return d, fmt.Errorf("get cpus: %w", err)
+	}
+	d.cpus, _ = strconv.Atoi(cpusStr)
+
+	d.password, _ = kv.GetFromDB(db, "vm/"+name+"/password")
+	d.sshkey, _ = kv.GetFromDB(db, "vm/"+name+"/sshkey")
+
+	return d, nil
+}