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122 lines
3.1 KiB
122 lines
3.1 KiB
// Copyright 2017 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 feature
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import (
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"database/sql"
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"fmt"
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"sort"
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"github.com/coreos/clair/database"
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"github.com/coreos/clair/database/pgsql/util"
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"github.com/coreos/clair/pkg/commonerr"
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)
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func queryPersistFeature(count int) string {
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return util.QueryPersist(count,
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"feature",
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"feature_name_version_version_format_type_key",
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"name",
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"version",
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"version_format",
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"type")
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}
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func querySearchFeatureID(featureCount int) string {
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return fmt.Sprintf(`
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SELECT id, name, version, version_format, type
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FROM Feature WHERE (name, version, version_format, type) IN (%s)`,
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util.QueryString(4, featureCount),
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)
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}
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func PersistFeatures(tx *sql.Tx, features []database.Feature) error {
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if len(features) == 0 {
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return nil
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}
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types, err := GetFeatureTypeMap(tx)
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if err != nil {
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return err
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}
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// Sorting is needed before inserting into database to prevent deadlock.
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sort.Slice(features, func(i, j int) bool {
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return features[i].Name < features[j].Name ||
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features[i].Version < features[j].Version ||
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features[i].VersionFormat < features[j].VersionFormat
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})
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// TODO(Sida): A better interface for bulk insertion is needed.
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keys := make([]interface{}, 0, len(features)*3)
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for _, f := range features {
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keys = append(keys, f.Name, f.Version, f.VersionFormat, types.ByName[f.Type])
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if f.Name == "" || f.Version == "" || f.VersionFormat == "" {
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return commonerr.NewBadRequestError("Empty feature name, version or version format is not allowed")
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}
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}
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_, err = tx.Exec(queryPersistFeature(len(features)), keys...)
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return util.HandleError("queryPersistFeature", err)
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}
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func FindFeatureIDs(tx *sql.Tx, fs []database.Feature) ([]sql.NullInt64, error) {
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if len(fs) == 0 {
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return nil, nil
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}
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types, err := GetFeatureTypeMap(tx)
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if err != nil {
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return nil, err
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}
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fMap := map[database.Feature]sql.NullInt64{}
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keys := make([]interface{}, 0, len(fs)*4)
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for _, f := range fs {
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typeID := types.ByName[f.Type]
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keys = append(keys, f.Name, f.Version, f.VersionFormat, typeID)
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fMap[f] = sql.NullInt64{}
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}
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rows, err := tx.Query(querySearchFeatureID(len(fs)), keys...)
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if err != nil {
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return nil, util.HandleError("querySearchFeatureID", err)
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}
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defer rows.Close()
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var (
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id sql.NullInt64
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f database.Feature
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)
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for rows.Next() {
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var typeID int
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err := rows.Scan(&id, &f.Name, &f.Version, &f.VersionFormat, &typeID)
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if err != nil {
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return nil, util.HandleError("querySearchFeatureID", err)
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}
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f.Type = types.ByID[typeID]
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fMap[f] = id
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}
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ids := make([]sql.NullInt64, len(fs))
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for i, f := range fs {
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ids[i] = fMap[f]
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}
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return ids, nil
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}
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