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logs.go
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logs.go
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package db
import (
"fmt"
"io"
"io/ioutil"
"net/http"
"os"
"github.com/Sirupsen/logrus"
"github.com/daticahealth/cli/commands/services"
"github.com/daticahealth/cli/lib/jobs"
"github.com/daticahealth/cli/models"
)
func CmdLogs(databaseName, backupID string, id IDb, is services.IServices, ij jobs.IJobs) error {
service, err := is.RetrieveByLabel(databaseName)
if err != nil {
return err
}
if service == nil {
return fmt.Errorf("Could not find a service with the label \"%s\". You can list services with the \"datica services list\" command.", databaseName)
}
job, err := ij.Retrieve(backupID, service.ID, false)
if err != nil {
return err
}
return id.DumpLogs(job.Type, job, service)
}
// DumpLogs dumps logs from a Backup/Restore/Import/Export job to the console
func (d *SDb) DumpLogs(taskType string, job *models.Job, service *models.Service) error {
logrus.Printf("Retrieving %s logs for job %s...", service.Label, job.ID)
tempURL, err := d.TempLogsURL(job.ID, service.ID)
if err != nil {
return err
}
dir, err := ioutil.TempDir("", "")
if err != nil {
return err
}
encrFile, err := ioutil.TempFile(dir, "")
if err != nil {
return err
}
resp, err := http.Get(tempURL.URL)
if err != nil {
return err
}
defer resp.Body.Close()
io.Copy(encrFile, resp.Body)
encrFile.Close()
plainFile, err := ioutil.TempFile(dir, "")
if err != nil {
return err
}
// do we have to close this before calling DecryptFile?
// or can two processes have a file open simultaneously?
plainFile.Close()
if taskType == "backup" {
logsKey := job.Backup.KeyLogs
if logsKey == "" {
logsKey = job.Backup.Key
}
err := d.Crypto.DecryptFile(encrFile.Name(), logsKey, job.Backup.IV, plainFile.Name())
if err != nil {
return err
}
} else if taskType == "restore" {
logsKey := job.Restore.KeyLogs
if logsKey == "" {
logsKey = job.Restore.Key
}
err := d.Crypto.DecryptFile(encrFile.Name(), logsKey, job.Restore.IV, plainFile.Name())
if err != nil {
return err
}
}
logrus.Printf("-------------------------- Begin %s logs --------------------------", service.Label)
plainFile, _ = os.Open(plainFile.Name())
io.Copy(os.Stdout, plainFile)
plainFile.Close()
logrus.Printf("--------------------------- End %s logs ---------------------------", service.Label)
os.Remove(encrFile.Name())
os.Remove(plainFile.Name())
os.Remove(dir)
return nil
}
func (d *SDb) TempLogsURL(jobID string, serviceID string) (*models.TempURL, error) {
headers := d.Settings.HTTPManager.GetHeaders(d.Settings.SessionToken, d.Settings.Version, d.Settings.Pod, d.Settings.UsersID)
resp, statusCode, err := d.Settings.HTTPManager.Get(nil, fmt.Sprintf("%s%s/environments/%s/services/%s/backup-restore-logs-url/%s", d.Settings.PaasHost, d.Settings.PaasHostVersion, d.Settings.EnvironmentID, serviceID, jobID), headers)
if err != nil {
return nil, err
}
var tempURL models.TempURL
err = d.Settings.HTTPManager.ConvertResp(resp, statusCode, &tempURL)
if err != nil {
return nil, err
}
return &tempURL, nil
}