a33050637b
- pgsql/util/error.go contains error handling logic - pgsql/page/page.go contains the page struct - pgsql/monitoring contains the prometheus logic - pgsql/pgsession contains the pgsession struct
64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// Copyright 2019 clair authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package util
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import (
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"database/sql"
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"strings"
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"github.com/coreos/clair/database"
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"github.com/coreos/clair/database/pgsql/monitoring"
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"github.com/coreos/clair/pkg/commonerr"
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"github.com/lib/pq"
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"github.com/sirupsen/logrus"
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)
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// IsErrUniqueViolation determines is the given error is a unique contraint violation.
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func IsErrUniqueViolation(err error) bool {
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pqErr, ok := err.(*pq.Error)
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return ok && pqErr.Code == "23505"
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}
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// HandleError logs an error with an extra description and masks the error if it's an SQL one.
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// The function ensures we never return plain SQL errors and leak anything.
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// The function should be used for every database query error.
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func HandleError(desc string, err error) error {
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if err == nil {
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return nil
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}
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if err == sql.ErrNoRows {
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return commonerr.ErrNotFound
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}
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if pqErr, ok := err.(*pq.Error); ok {
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if pqErr.Fatal() {
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panic(pqErr)
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}
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if pqErr.Code == "42601" {
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panic("invalid query: " + desc + ", info: " + err.Error())
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}
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}
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logrus.WithError(err).WithField("Description", desc).Error("database: handled database error")
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monitoring.PromErrorsTotal.WithLabelValues(desc).Inc()
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if _, o := err.(*pq.Error); o || err == sql.ErrTxDone || strings.HasPrefix(err.Error(), "sql:") {
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return database.ErrBackendException
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}
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return err
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}
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