zitadel/internal/eventstore/handler/crdb/failed_stmt.go
Livio Spring 29441ce4b6
feat: save last occurrence of failed events and fix instance filtering (#4710)
* fix: filter failed events and current sequence correctly

* fix failed events sorting column

* feat: save last occurrence of failed event

* fix failedEvents query and update sql statements

* change sql statement to only create index

* fix linting

* fix linting

* Update internal/query/failed_events.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

* update job name on test-docs to match the one from test-code

Co-authored-by: Silvan <silvan.reusser@gmail.com>
2022-11-18 13:49:38 +01:00

52 lines
2.2 KiB
Go

package crdb
import (
"database/sql"
"github.com/zitadel/logging"
"github.com/zitadel/zitadel/internal/errors"
"github.com/zitadel/zitadel/internal/eventstore/handler"
)
const (
setFailureCountStmtFormat = "INSERT INTO %s" +
" (projection_name, failed_sequence, failure_count, error, instance_id, last_failed)" +
" VALUES ($1, $2, $3, $4, $5, $6) ON CONFLICT (projection_name, failed_sequence, instance_id)" +
" DO UPDATE SET failure_count = EXCLUDED.failure_count, error = EXCLUDED.error, last_failed = EXCLUDED.last_failed"
failureCountStmtFormat = "WITH failures AS (SELECT failure_count FROM %s WHERE projection_name = $1 AND failed_sequence = $2 AND instance_id = $3)" +
" SELECT COALESCE((SELECT failure_count FROM failures), 0) AS failure_count"
)
func (h *StatementHandler) handleFailedStmt(tx *sql.Tx, stmt *handler.Statement, execErr error) (shouldContinue bool) {
failureCount, err := h.failureCount(tx, stmt.Sequence, stmt.InstanceID)
if err != nil {
logging.WithFields("projection", h.ProjectionName, "sequence", stmt.Sequence).WithError(err).Warn("unable to get failure count")
return false
}
failureCount += 1
err = h.setFailureCount(tx, stmt.Sequence, failureCount, execErr, stmt.InstanceID)
logging.WithFields("projection", h.ProjectionName, "sequence", stmt.Sequence).OnError(err).Warn("unable to update failure count")
return failureCount >= h.maxFailureCount
}
func (h *StatementHandler) failureCount(tx *sql.Tx, seq uint64, instanceID string) (count uint, err error) {
row := tx.QueryRow(h.failureCountStmt, h.ProjectionName, seq, instanceID)
if err = row.Err(); err != nil {
return 0, errors.ThrowInternal(err, "CRDB-Unnex", "unable to update failure count")
}
if err = row.Scan(&count); err != nil {
return 0, errors.ThrowInternal(err, "CRDB-RwSMV", "unable to scan count")
}
return count, nil
}
func (h *StatementHandler) setFailureCount(tx *sql.Tx, seq uint64, count uint, err error, instanceID string) error {
_, dbErr := tx.Exec(h.setFailureCountStmt, h.ProjectionName, seq, count, err.Error(), instanceID, "NOW()")
if dbErr != nil {
return errors.ThrowInternal(dbErr, "CRDB-4Ht4x", "set failure count failed")
}
return nil
}