66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
package vm
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import (
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"fmt"
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configuration "git.g3e.fr/syonad/two/internal/config/agent"
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"git.g3e.fr/syonad/two/internal/iptables"
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"git.g3e.fr/syonad/two/internal/metadata"
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"git.g3e.fr/syonad/two/internal/netif"
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"git.g3e.fr/syonad/two/internal/netns"
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"git.g3e.fr/syonad/two/internal/qemu"
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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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func StartVM(db *badger.DB, name string, cfg *configuration.Config) error {
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state, err := kv.GetFromDB(db, "vm/"+name+"/state")
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if err != nil {
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return err
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}
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if state != "starting" {
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return nil
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}
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d, err := loadVM(db, name)
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if err != nil {
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return err
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}
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if err := netif.CreateTap(d.tapID, d.bridge, d.vpcName); err != nil {
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return fmt.Errorf("create tap: %w", err)
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}
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if err := netns.Call(d.vpcName, func() error {
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return iptables.AddMetadataRedirect(d.ip, d.interfaceIP, d.metadataPort)
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}); err != nil {
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return fmt.Errorf("add metadata redirect: %w", err)
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}
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if err := metadata.StartMetadata(metadata.NoCloudConfig{
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Name: name,
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VpcName: d.vpcName,
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BindIP: d.interfaceIP,
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BindPort: d.metadataPort,
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Password: d.password,
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SSHKEY: d.sshkey,
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}, cfg, false); err != nil {
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return fmt.Errorf("start metadata: %w", err)
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}
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if err := netns.Call(d.vpcName, func() error {
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return qemu.Start(qemu.Config{
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Name: name,
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TapID: d.tapID,
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Mac: d.mac,
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VolumePath: d.volumePath,
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Memory: d.memory,
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CPUs: d.cpus,
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})
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}); err != nil {
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return fmt.Errorf("start qemu: %w", err)
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}
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return kv.AddInDB(db, "vm/"+name+"/state", "started")
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}
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