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settings.go
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settings.go
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package storetest
import (
"flag"
"fmt"
"net/url"
"os"
"path"
"database/sql"
"github.com/go-sql-driver/mysql"
_ "github.com/go-sql-driver/mysql"
_ "github.com/lib/pq"
"github.com/pkg/errors"
"github.com/mattermost/mattermost-server/v5/model"
)
const (
defaultMysqlDSN = "mmuser:mostest@tcp(localhost:3306)/mattermost_test?charset=utf8mb4,utf8\u0026readTimeout=30s\u0026writeTimeout=30s"
defaultPostgresqlDSN = "postgres://mmuser:mostest@localhost:5432/mattermost_test?sslmode=disable&connect_timeout=10"
defaultMysqlRootPWD = "mostest"
)
func getEnv(name, defaultValue string) string {
if value := os.Getenv(name); value != "" {
return value
} else {
return defaultValue
}
}
func log(message string) {
verbose := false
if verboseFlag := flag.Lookup("test.v"); verboseFlag != nil {
verbose = verboseFlag.Value.String() != ""
}
if verboseFlag := flag.Lookup("v"); verboseFlag != nil {
verbose = verboseFlag.Value.String() != ""
}
if verbose {
fmt.Println(message)
}
}
// MySQLSettings returns the database settings to connect to the MySQL unittesting database.
// The database name is generated randomly and must be created before use.
func MySQLSettings() *model.SqlSettings {
dsn := getEnv("TEST_DATABASE_MYSQL_DSN", defaultMysqlDSN)
cfg, err := mysql.ParseDSN(dsn)
if err != nil {
panic("failed to parse dsn " + dsn + ": " + err.Error())
}
cfg.DBName = "db" + model.NewId()
return databaseSettings("mysql", cfg.FormatDSN())
}
// PostgresSQLSettings returns the database settings to connect to the PostgreSQL unittesting database.
// The database name is generated randomly and must be created before use.
func PostgreSQLSettings() *model.SqlSettings {
dsn := getEnv("TEST_DATABASE_POSTGRESQL_DSN", defaultPostgresqlDSN)
dsnUrl, err := url.Parse(dsn)
if err != nil {
panic("failed to parse dsn " + dsn + ": " + err.Error())
}
// Generate a random database name
dsnUrl.Path = "db" + model.NewId()
return databaseSettings("postgres", dsnUrl.String())
}
func mySQLRootDSN(dsn string) string {
rootPwd := getEnv("TEST_DATABASE_MYSQL_ROOT_PASSWD", defaultMysqlRootPWD)
cfg, err := mysql.ParseDSN(dsn)
if err != nil {
panic("failed to parse dsn " + dsn + ": " + err.Error())
}
cfg.User = "root"
cfg.Passwd = rootPwd
cfg.DBName = "mysql"
return cfg.FormatDSN()
}
func postgreSQLRootDSN(dsn string) string {
dsnUrl, err := url.Parse(dsn)
if err != nil {
panic("failed to parse dsn " + dsn + ": " + err.Error())
}
// // Assume the unittesting database has the same password.
// password := ""
// if dsnUrl.User != nil {
// password, _ = dsnUrl.User.Password()
// }
// dsnUrl.User = url.UserPassword("", password)
dsnUrl.Path = "postgres"
return dsnUrl.String()
}
func mySQLDSNDatabase(dsn string) string {
cfg, err := mysql.ParseDSN(dsn)
if err != nil {
panic("failed to parse dsn " + dsn + ": " + err.Error())
}
return cfg.DBName
}
func postgreSQLDSNDatabase(dsn string) string {
dsnUrl, err := url.Parse(dsn)
if err != nil {
panic("failed to parse dsn " + dsn + ": " + err.Error())
}
return path.Base(dsnUrl.Path)
}
func databaseSettings(driver, dataSource string) *model.SqlSettings {
settings := &model.SqlSettings{
DriverName: &driver,
DataSource: &dataSource,
DataSourceReplicas: []string{},
DataSourceSearchReplicas: []string{},
MaxIdleConns: new(int),
ConnMaxLifetimeMilliseconds: new(int),
MaxOpenConns: new(int),
Trace: model.NewBool(false),
AtRestEncryptKey: model.NewString(model.NewRandomString(32)),
QueryTimeout: new(int),
}
*settings.MaxIdleConns = 10
*settings.ConnMaxLifetimeMilliseconds = 3600000
*settings.MaxOpenConns = 100
*settings.QueryTimeout = 60
return settings
}
// execAsRoot executes the given sql as root against the testing database
func execAsRoot(settings *model.SqlSettings, sqlCommand string) error {
var dsn string
var driver = *settings.DriverName
switch driver {
case model.DATABASE_DRIVER_MYSQL:
dsn = mySQLRootDSN(*settings.DataSource)
case model.DATABASE_DRIVER_POSTGRES:
dsn = postgreSQLRootDSN(*settings.DataSource)
default:
return fmt.Errorf("unsupported driver %s", driver)
}
db, err := sql.Open(driver, dsn)
if err != nil {
return errors.Wrapf(err, "failed to connect to %s database as root", driver)
}
defer db.Close()
if _, err = db.Exec(sqlCommand); err != nil {
return errors.Wrapf(err, "failed to execute `%s` against %s database as root", sqlCommand, driver)
}
return nil
}
// MakeSqlSettings creates a randomly named database and returns the corresponding sql settings
func MakeSqlSettings(driver string) *model.SqlSettings {
var settings *model.SqlSettings
var dbName string
switch driver {
case model.DATABASE_DRIVER_MYSQL:
settings = MySQLSettings()
dbName = mySQLDSNDatabase(*settings.DataSource)
case model.DATABASE_DRIVER_POSTGRES:
settings = PostgreSQLSettings()
dbName = postgreSQLDSNDatabase(*settings.DataSource)
default:
panic("unsupported driver " + driver)
}
if err := execAsRoot(settings, "CREATE DATABASE "+dbName); err != nil {
panic("failed to create temporary database " + dbName + ": " + err.Error())
}
switch driver {
case model.DATABASE_DRIVER_MYSQL:
if err := execAsRoot(settings, "GRANT ALL PRIVILEGES ON "+dbName+".* TO 'mmuser'"); err != nil {
panic("failed to grant mmuser permission to " + dbName + ":" + err.Error())
}
case model.DATABASE_DRIVER_POSTGRES:
if err := execAsRoot(settings, "GRANT ALL PRIVILEGES ON DATABASE \""+dbName+"\" TO mmuser"); err != nil {
panic("failed to grant mmuser permission to " + dbName + ":" + err.Error())
}
default:
panic("unsupported driver " + driver)
}
log("Created temporary " + driver + " database " + dbName)
return settings
}
func CleanupSqlSettings(settings *model.SqlSettings) {
var driver = *settings.DriverName
var dbName string
switch driver {
case model.DATABASE_DRIVER_MYSQL:
dbName = mySQLDSNDatabase(*settings.DataSource)
case model.DATABASE_DRIVER_POSTGRES:
dbName = postgreSQLDSNDatabase(*settings.DataSource)
default:
panic("unsupported driver " + driver)
}
if err := execAsRoot(settings, "DROP DATABASE "+dbName); err != nil {
panic("failed to drop temporary database " + dbName + ": " + err.Error())
}
log("Dropped temporary database " + dbName)
}