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store.go
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store.go
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package redis
import (
"encoding/json"
"fmt"
"github.com/goharbor/harbor-scanner-clair/pkg/etc"
"github.com/goharbor/harbor-scanner-clair/pkg/harbor"
"github.com/goharbor/harbor-scanner-clair/pkg/job"
"github.com/goharbor/harbor-scanner-clair/pkg/persistence"
"github.com/gomodule/redigo/redis"
log "github.com/sirupsen/logrus"
"golang.org/x/xerrors"
)
type store struct {
pool *redis.Pool
cfg etc.RedisStore
}
func NewStore(pool *redis.Pool, cfg etc.RedisStore) persistence.Store {
return &store{
cfg: cfg,
pool: pool,
}
}
func (s *store) Create(scanJob job.ScanJob) error {
conn := s.pool.Get()
defer s.close(conn)
bytes, err := json.Marshal(scanJob)
if err != nil {
return xerrors.Errorf("marshalling scan job: %w", err)
}
key := s.getKeyForScanJob(scanJob.ID)
log.WithFields(log.Fields{
"scan_job_id": scanJob.ID,
"scan_job_status": scanJob.Status.String(),
"redis_key": key,
"expire": s.cfg.ScanJobTTL.Seconds(),
}).Trace("Creating scan job")
_, err = conn.Do("SET", key, string(bytes), "NX", "EX", int(s.cfg.ScanJobTTL.Seconds()))
if err != nil {
return xerrors.Errorf("creating scan job: %w", err)
}
return nil
}
func (s *store) update(scanJob job.ScanJob) error {
conn := s.pool.Get()
defer s.close(conn)
bytes, err := json.Marshal(scanJob)
if err != nil {
return xerrors.Errorf("marshalling scan job: %w", err)
}
key := s.getKeyForScanJob(scanJob.ID)
log.WithFields(log.Fields{
"scan_job_id": scanJob.ID,
"scan_job_status": scanJob.Status.String(),
"redis_key": key,
"expire": s.cfg.ScanJobTTL.Seconds(),
}).Debug("Updating scan job")
_, err = conn.Do("SET", key, string(bytes), "XX", "EX", int(s.cfg.ScanJobTTL.Seconds()))
if err != nil {
return xerrors.Errorf("updating scan job: %w", err)
}
return nil
}
func (s *store) Get(scanJobID string) (*job.ScanJob, error) {
conn := s.pool.Get()
defer s.close(conn)
key := s.getKeyForScanJob(scanJobID)
value, err := redis.String(conn.Do("GET", key))
if err != nil {
if err == redis.ErrNil {
return nil, nil
}
return nil, err
}
var scanJob job.ScanJob
err = json.Unmarshal([]byte(value), &scanJob)
if err != nil {
return nil, err
}
return &scanJob, nil
}
func (s *store) UpdateStatus(scanJobID string, newStatus job.Status, error ...string) error {
log.WithFields(log.Fields{
"scan_job_id": scanJobID,
"new_status": newStatus.String(),
}).Trace("Updating status for scan job")
scanJob, err := s.Get(scanJobID)
if err != nil {
return err
}
scanJob.Status = newStatus
if len(error) > 0 {
scanJob.Error = error[0]
}
return s.update(*scanJob)
}
func (s *store) UpdateReport(scanJobID string, report harbor.ScanReport) error {
log.WithFields(log.Fields{
"scan_job_id": scanJobID,
}).Trace("Updating reports for scan job")
scanJob, err := s.Get(scanJobID)
if err != nil {
return err
}
scanJob.Report = report
return s.update(*scanJob)
}
func (s *store) getKeyForScanJob(scanJobID string) string {
return fmt.Sprintf("%s:scan-job:%s", s.cfg.Namespace, scanJobID)
}
func (s *store) close(conn redis.Conn) {
err := conn.Close()
if err != nil {
log.WithError(err).Error("Error while closing connection")
}
}