osbuild-service-maintenance: Delete results from select jobs

Instead of deleting records, delete the results from the manifest and
depsolve jobs. This redacts sensitive data which the manifest can
contain, and this conserves space.
This commit is contained in:
Sanne Raymaekers 2022-04-13 12:25:36 +02:00 committed by Ondřej Budai
parent eeb2238b12
commit 9b119fa4cf
3 changed files with 44 additions and 179 deletions

View file

@ -106,21 +106,9 @@ const (
FROM jobs
WHERE type = ANY($1) AND finished_at < $2
GROUP BY type`
sqlQueryDepedenciesRecursively = `
WITH RECURSIVE dependencies(d) AS (
SELECT dependency_id
FROM job_dependencies
WHERE job_id = $1
UNION ALL
SELECT dependency_id
FROM dependencies, job_dependencies
WHERE job_dependencies.job_id = d )
SELECT * FROM dependencies`
sqlDeleteJobDependencies = `
DELETE FROM job_dependencies
WHERE dependency_id = ANY($1)`
sqlDeleteJobs = `
DELETE FROM jobs
sqlDeleteJobResult = `
UPDATE jobs
SET result = NULL
WHERE id = ANY($1)`
)
@ -657,59 +645,16 @@ func (q *DBJobQueue) JobsUptoByType(jobTypes []string, upto time.Time) (result m
return
}
// Deletes single job and dependencies (recursively)
func (q *DBJobQueue) DeleteJobIncludingDependencies(jobId uuid.UUID) error {
func (q *DBJobQueue) DeleteJobResult(jobIds []uuid.UUID) (int64, error) {
conn, err := q.pool.Acquire(context.Background())
if err != nil {
return fmt.Errorf("error connecting to database: %v", err)
return -1, fmt.Errorf("error connecting to database: %v", err)
}
defer conn.Release()
tx, err := conn.Begin(context.Background())
tag, err := conn.Exec(context.Background(), sqlDeleteJobResult, jobIds)
if err != nil {
return fmt.Errorf("error starting database transaction: %v", err)
return tag.RowsAffected(), fmt.Errorf("Error deleting results from jobs: %v", err)
}
defer func() {
err := tx.Rollback(context.Background())
if err != nil && !errors.As(err, &pgx.ErrTxClosed) {
logrus.Error("error rolling back enqueue transaction: ", err)
}
}()
rows, err := tx.Query(context.Background(), sqlQueryDepedenciesRecursively, jobId)
if err != nil {
return fmt.Errorf("error querying the job's dependencies: %v", err)
}
var dependencies []uuid.UUID
for rows.Next() {
var dep uuid.UUID
err = rows.Scan(&dep)
if err != nil {
return err
}
dependencies = append(dependencies, dep)
}
depTag, err := tx.Exec(context.Background(), sqlDeleteJobDependencies, dependencies)
if err != nil {
return fmt.Errorf("Error removing from dependencies recursively for job %v: %v", jobId, err)
}
jobAndDependencies := append(dependencies, jobId)
jobsTag, err := tx.Exec(context.Background(), sqlDeleteJobs, jobAndDependencies)
if err != nil {
return fmt.Errorf("Error removing from jobs recursively for job %v: %v", jobId, err)
}
err = tx.Commit(context.Background())
if err != nil {
return fmt.Errorf("unable to commit database transaction: %v", err)
}
logrus.Infof("Removed %d rows from dependencies for job %v", depTag.RowsAffected(), jobId)
logrus.Infof("Removed %d rows from jobs for job %v, this includes dependencies", jobsTag.RowsAffected(), jobId)
return nil
return tag.RowsAffected(), nil
}