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pg.go
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pg.go
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package logging
import (
"context"
"strings"
"time"
"github.com/getsentry/sentry-go"
"github.com/go-pg/pg/v10"
"github.com/go-pg/pg/v10/orm"
"github.com/monetr/monetr/pkg/metrics"
"github.com/prometheus/client_golang/prometheus"
"github.com/sirupsen/logrus"
)
var (
_ pg.QueryHook = &PostgresHooks{}
)
type PostgresHooks struct {
log *logrus.Entry
stats *metrics.Stats
}
func NewPostgresHooks(log *logrus.Entry, stats *metrics.Stats) pg.QueryHook {
return &PostgresHooks{
log: log,
stats: stats,
}
}
func (h *PostgresHooks) BeforeQuery(ctx context.Context, event *pg.QueryEvent) (context.Context, error) {
query, err := event.FormattedQuery()
if err != nil {
return ctx, nil
}
if strings.TrimSpace(strings.ToLower(string(query))) != "select 1" {
h.log.WithContext(ctx).Trace(strings.TrimSpace(string(query)))
}
return ctx, nil
}
func (h *PostgresHooks) AfterQuery(ctx context.Context, event *pg.QueryEvent) error {
endTime := time.Now()
var queryType string
switch query := event.Query.(type) {
case string:
query = strings.TrimSpace(query)
query = strings.ReplaceAll(query, "\n", " ")
// Don't do anything with health check queries.
if strings.ToLower(query) == "select 1" {
return nil
}
switch strings.ToUpper(query) {
case "BEGIN", "COMMIT", "ROLLBACK":
// Do nothing we don't want to count these.
return nil
default:
firstSpace := strings.IndexRune(query, ' ')
queryType = strings.ToUpper(query[:firstSpace])
}
case *orm.SelectQuery:
queryType = "SELECT"
case *orm.InsertQuery:
queryType = "INSERT"
case *orm.UpdateQuery:
queryType = "UPDATE"
case *orm.DeleteQuery:
queryType = "DELETE"
default:
queryType = "UNKNOWN"
}
if hub := sentry.GetHubFromContext(ctx); hub != nil {
unformattedQuery, err := event.UnformattedQuery()
if err == nil && len(unformattedQuery) > 0 {
queryString := string(unformattedQuery)
queryTime := endTime.Sub(event.StartTime)
if event.Err == nil {
hub.AddBreadcrumb(&sentry.Breadcrumb{
Type: "query",
Category: "postgres",
Message: queryString,
Data: map[string]interface{}{
"queryTime": queryTime.String(),
},
Level: "debug",
Timestamp: event.StartTime,
}, nil)
} else {
hub.AddBreadcrumb(&sentry.Breadcrumb{
Type: "query",
Category: "postgres",
Message: queryString,
Data: map[string]interface{}{
"queryTime": queryTime.String(),
"error": event.Err.Error(),
},
Level: "error",
Timestamp: event.StartTime,
}, nil)
}
span := sentry.StartSpan(ctx, "db.sql.query")
span.StartTime = event.StartTime
span.Description = queryString
span.SetTag("query", queryType)
if event.Err == nil {
span.Status = sentry.SpanStatusOK
} else {
span.Status = sentry.SpanStatusInternalError
}
defer span.Finish()
}
}
if h.stats != nil {
h.stats.Queries.With(prometheus.Labels{
"stmt": queryType,
}).Inc()
}
return nil
}