/usr/share/gocode/src/github.com/ctdk/goiardi/indexer/postgres_indexer.go is in golang-github-ctdk-goiardi-dev 0.11.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2013-2016, Jeremy Bingham (<jeremy@goiardi.gl>)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package indexer
import (
"fmt"
"github.com/ctdk/goiardi/datastore"
"github.com/ctdk/goiardi/util"
"github.com/lib/pq"
"sort"
"strings"
)
type PostgresIndex struct {
}
func (p *PostgresIndex) Initialize() error {
// check if the default indexes exist yet, and if not create them
var c int
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
// organization_id will obviously not always be 1
err = tx.QueryRow("SELECT count(*) FROM goiardi.search_collections WHERE organization_id = $1 AND name IN ('node', 'client', 'environment', 'role')", 1).Scan(&c)
if err != nil {
tx.Rollback()
return err
}
if c != 0 {
if c != 4 {
err = fmt.Errorf("Aiiie! We were going to initialize the database, but while we expected there to be either 0 or 4 of the basic search types to be in place, there were only %d. Aborting.", c)
tx.Rollback()
return err
}
// otherwise everything's good.
} else {
sqlStmt := "INSERT INTO goiardi.search_collections (name, organization_id) VALUES ('client', $1), ('environment', $1), ('node', $1), ('role', $1)"
_, err = tx.Exec(sqlStmt, 1)
if err != nil {
tx.Rollback()
return err
}
}
tx.Commit()
return nil
}
func (p *PostgresIndex) CreateCollection(col string) error {
sqlStmt := "INSERT INTO goiardi.search_collections (name, organization_id) VALUES ($1, $2)"
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
_, err = tx.Exec(sqlStmt, col, 1)
if err != nil {
tx.Rollback()
return err
}
tx.Commit()
return nil
}
func (p *PostgresIndex) CreateNewCollection(col string) error {
return p.CreateCollection(col)
}
func (p *PostgresIndex) DeleteCollection(col string) error {
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
_, err = tx.Exec("SELECT goiardi.delete_search_collection($1, $2)", col, 1)
if err != nil {
tx.Rollback()
return err
}
tx.Commit()
return nil
}
func (p *PostgresIndex) DeleteItem(idxName string, doc string) error {
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
_, err = tx.Exec("SELECT goiardi.delete_search_item($1, $2, $3)", idxName, doc, 1)
if err != nil {
tx.Rollback()
return err
}
tx.Commit()
return nil
}
func (p *PostgresIndex) SaveItem(obj Indexable) error {
flat := obj.Flatten()
itemName := obj.DocID()
collectionName := obj.Index()
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
var scID int32
err = tx.QueryRow("SELECT id FROM goiardi.search_collections WHERE organization_id = $1 AND name = $2", 1, collectionName).Scan(&scID)
if err != nil {
tx.Rollback()
return err
}
_, err = tx.Exec("SELECT goiardi.delete_search_item($1, $2, $3)", collectionName, itemName, 1)
if err != nil {
tx.Rollback()
return err
}
_, _ = tx.Exec("SET search_path TO goiardi")
stmt, err := tx.Prepare(pq.CopyIn("search_items", "organization_id", "search_collection_id", "item_name", "value", "path"))
if err != nil {
tx.Rollback()
return err
}
defer stmt.Close()
for k, v := range flat {
k = util.PgSearchKey(k)
// will the values need escaped like in file search?
switch v := v.(type) {
case string:
v = util.IndexEscapeStr(v)
// try it with newlines too
v = strings.Replace(v, "\n", "\\n", -1)
_, err = stmt.Exec(1, scID, itemName, v, k)
if err != nil {
tx.Rollback()
return err
}
case []string:
// remove dupes from slices of strings like we're doing
// now with the trie index, both to reduce ambiguity and
// to maybe make the indexes just a little bit smaller
sort.Strings(v)
v = util.RemoveDupStrings(v)
for _, w := range v {
w = util.IndexEscapeStr(w)
w = strings.Replace(w, "\n", "\\n", -1)
_, err = stmt.Exec(1, scID, itemName, w, k)
if err != nil {
tx.Rollback()
return err
}
}
default:
err = fmt.Errorf("pg search should have never been able to reach this state. Key %s had a value %v of type %T", k, v, v)
tx.Rollback()
return err
}
}
_, err = stmt.Exec()
if err != nil {
tx.Rollback()
return err
}
err = tx.Commit()
if err != nil {
return err
}
return nil
}
func (p *PostgresIndex) Endpoints() ([]string, error) {
sqlStmt := "SELECT ARRAY_AGG(name) FROM goiardi.search_collections WHERE organization_id = $1"
stmt, err := datastore.Dbh.Prepare(sqlStmt)
if err != nil {
return nil, err
}
defer stmt.Close()
var endpoints util.StringSlice
err = stmt.QueryRow(1).Scan(&endpoints)
if err != nil {
return nil, err
}
return endpoints, nil
}
func (p *PostgresIndex) Clear() error {
tx, err := datastore.Dbh.Begin()
if err != nil {
return err
}
lockStmt := "LOCK TABLE goiardi.search_collections"
_, err = tx.Exec(lockStmt)
if err != nil {
tx.Rollback()
return err
}
lockStmt = "LOCK TABLE goiardi.search_items"
_, err = tx.Exec(lockStmt)
if err != nil {
tx.Rollback()
return err
}
sqlStmt := "DELETE FROM goiardi.search_items WHERE organization_id = $1"
_, err = tx.Exec(sqlStmt, 1)
if err != nil {
tx.Rollback()
return err
}
sqlStmt = "DELETE FROM goiardi.search_collections WHERE organization_id = $1"
_, err = tx.Exec(sqlStmt, 1)
if err != nil {
tx.Rollback()
return err
}
sqlStmt = "INSERT INTO goiardi.search_collections (name, organization_id) VALUES ('client', $1), ('environment', $1), ('node', $1), ('role', $1)"
_, err = tx.Exec(sqlStmt, 1)
if err != nil {
tx.Rollback()
return err
}
tx.Commit()
return nil
}
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