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kairos-agent/internal/agent/hooks/logs.go
2024-03-01 12:27:26 +01:00

52 lines
1.6 KiB
Go

package hook
import (
"github.com/kairos-io/kairos-agent/v2/pkg/config"
"github.com/kairos-io/kairos-agent/v2/pkg/constants"
v1 "github.com/kairos-io/kairos-agent/v2/pkg/types/v1"
internalutils "github.com/kairos-io/kairos-agent/v2/pkg/utils"
fsutils "github.com/kairos-io/kairos-agent/v2/pkg/utils/fs"
"github.com/kairos-io/kairos-sdk/machine"
"path/filepath"
"syscall"
)
// CopyLogs copies all current logs to the persistent partition
// useful during install to keep the livecd logs
// best effort, no error handling
type CopyLogs struct{}
func (k CopyLogs) Run(c config.Config, _ v1.Spec) error {
c.Logger.Debugf("Copying logs to persistent partition")
_ = machine.Umount(constants.PersistentDir)
err := machine.Mount(constants.PersistentLabel, constants.PersistentDir)
if err != nil {
c.Logger.Errorf("could not mount persistent partition: %s", err)
return nil
}
// Create the directory on persistent
varLog := filepath.Join(constants.PersistentDir, ".state", "var-log.bind")
err = fsutils.MkdirAll(c.Fs, varLog, 0755)
if err != nil {
c.Logger.Errorf("could not create directory on persistent partition: %s", err)
return nil
}
// Copy all current logs to the persistent partition
err = internalutils.SyncData(c.Logger, c.Runner, c.Fs, "/var/log/", varLog, []string{}...)
if err != nil {
c.Logger.Errorf("could not copy logs to persistent partition: %s", err)
return nil
}
err = machine.Umount(constants.PersistentDir)
if err != nil {
c.Logger.Errorf("could not unmount persistent partition: %s", err)
return nil
}
syscall.Sync()
c.Logger.Debugf("Logs copied to persistent partition")
return nil
}