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sqlstore.go
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sqlstore.go
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package sqlstore
import (
"fmt"
"net/url"
"os"
"path"
"path/filepath"
"strings"
"testing"
"time"
"github.com/grafana/grafana/pkg/bus"
"github.com/grafana/grafana/pkg/log"
m "github.com/grafana/grafana/pkg/models"
"github.com/grafana/grafana/pkg/services/annotations"
"github.com/grafana/grafana/pkg/services/sqlstore/migrations"
"github.com/grafana/grafana/pkg/services/sqlstore/migrator"
"github.com/grafana/grafana/pkg/services/sqlstore/sqlutil"
"github.com/grafana/grafana/pkg/setting"
"github.com/go-sql-driver/mysql"
_ "github.com/go-sql-driver/mysql"
"github.com/go-xorm/xorm"
_ "github.com/lib/pq"
_ "github.com/mattn/go-sqlite3"
_ "github.com/grafana/grafana/pkg/tsdb/mssql"
)
type DatabaseConfig struct {
Type, Host, Name, User, Pwd, Path, SslMode string
CaCertPath string
ClientKeyPath string
ClientCertPath string
ServerCertName string
MaxOpenConn int
MaxIdleConn int
ConnMaxLifetime int
}
var (
x *xorm.Engine
dialect migrator.Dialect
HasEngine bool
DbCfg DatabaseConfig
UseSQLite3 bool
sqlog log.Logger = log.New("sqlstore")
)
func EnsureAdminUser() {
statsQuery := m.GetSystemStatsQuery{}
if err := bus.Dispatch(&statsQuery); err != nil {
log.Fatal(3, "Could not determine if admin user exists: %v", err)
return
}
if statsQuery.Result.Users > 0 {
return
}
cmd := m.CreateUserCommand{}
cmd.Login = setting.AdminUser
cmd.Email = setting.AdminUser + "@localhost"
cmd.Password = setting.AdminPassword
cmd.IsAdmin = true
if err := bus.Dispatch(&cmd); err != nil {
log.Error(3, "Failed to create default admin user", err)
return
}
log.Info("Created default admin user: %v", setting.AdminUser)
}
func NewEngine() {
x, err := getEngine()
if err != nil {
sqlog.Crit("Fail to connect to database", "error", err)
os.Exit(1)
}
err = SetEngine(x)
if err != nil {
sqlog.Error("Fail to initialize orm engine", "error", err)
os.Exit(1)
}
}
func SetEngine(engine *xorm.Engine) (err error) {
x = engine
dialect = migrator.NewDialect(x.DriverName())
migrator := migrator.NewMigrator(x)
migrations.AddMigrations(migrator)
if err := migrator.Start(); err != nil {
return fmt.Errorf("Sqlstore::Migration failed err: %v\n", err)
}
// Init repo instances
annotations.SetRepository(&SqlAnnotationRepo{})
return nil
}
func getEngine() (*xorm.Engine, error) {
LoadConfig()
cnnstr := ""
switch DbCfg.Type {
case "mysql":
protocol := "tcp"
if strings.HasPrefix(DbCfg.Host, "/") {
protocol = "unix"
}
cnnstr = fmt.Sprintf("%s:%s@%s(%s)/%s?collation=utf8mb4_unicode_ci&allowNativePasswords=true",
DbCfg.User, DbCfg.Pwd, protocol, DbCfg.Host, DbCfg.Name)
if DbCfg.SslMode == "true" || DbCfg.SslMode == "skip-verify" {
tlsCert, err := makeCert("custom", DbCfg)
if err != nil {
return nil, err
}
mysql.RegisterTLSConfig("custom", tlsCert)
cnnstr += "&tls=custom"
}
case "postgres":
var host, port = "127.0.0.1", "5432"
fields := strings.Split(DbCfg.Host, ":")
if len(fields) > 0 && len(strings.TrimSpace(fields[0])) > 0 {
host = fields[0]
}
if len(fields) > 1 && len(strings.TrimSpace(fields[1])) > 0 {
port = fields[1]
}
if DbCfg.Pwd == "" {
DbCfg.Pwd = "''"
}
if DbCfg.User == "" {
DbCfg.User = "''"
}
cnnstr = fmt.Sprintf("user=%s password=%s host=%s port=%s dbname=%s sslmode=%s sslcert=%s sslkey=%s sslrootcert=%s", DbCfg.User, DbCfg.Pwd, host, port, DbCfg.Name, DbCfg.SslMode, DbCfg.ClientCertPath, DbCfg.ClientKeyPath, DbCfg.CaCertPath)
case "sqlite3":
if !filepath.IsAbs(DbCfg.Path) {
DbCfg.Path = filepath.Join(setting.DataPath, DbCfg.Path)
}
os.MkdirAll(path.Dir(DbCfg.Path), os.ModePerm)
cnnstr = "file:" + DbCfg.Path + "?cache=shared&mode=rwc"
default:
return nil, fmt.Errorf("Unknown database type: %s", DbCfg.Type)
}
sqlog.Info("Initializing DB", "dbtype", DbCfg.Type)
engine, err := xorm.NewEngine(DbCfg.Type, cnnstr)
if err != nil {
return nil, err
}
engine.SetMaxOpenConns(DbCfg.MaxOpenConn)
engine.SetMaxIdleConns(DbCfg.MaxIdleConn)
engine.SetConnMaxLifetime(time.Second * time.Duration(DbCfg.ConnMaxLifetime))
debugSql := setting.Cfg.Section("database").Key("log_queries").MustBool(false)
if !debugSql {
engine.SetLogger(&xorm.DiscardLogger{})
} else {
engine.SetLogger(NewXormLogger(log.LvlInfo, log.New("sqlstore.xorm")))
engine.ShowSQL(true)
engine.ShowExecTime(true)
}
return engine, nil
}
func LoadConfig() {
sec := setting.Cfg.Section("database")
cfgURL := sec.Key("url").String()
if len(cfgURL) != 0 {
dbURL, _ := url.Parse(cfgURL)
DbCfg.Type = dbURL.Scheme
DbCfg.Host = dbURL.Host
pathSplit := strings.Split(dbURL.Path, "/")
if len(pathSplit) > 1 {
DbCfg.Name = pathSplit[1]
}
userInfo := dbURL.User
if userInfo != nil {
DbCfg.User = userInfo.Username()
DbCfg.Pwd, _ = userInfo.Password()
}
} else {
DbCfg.Type = sec.Key("type").String()
DbCfg.Host = sec.Key("host").String()
DbCfg.Name = sec.Key("name").String()
DbCfg.User = sec.Key("user").String()
if len(DbCfg.Pwd) == 0 {
DbCfg.Pwd = sec.Key("password").String()
}
}
DbCfg.MaxOpenConn = sec.Key("max_open_conn").MustInt(0)
DbCfg.MaxIdleConn = sec.Key("max_idle_conn").MustInt(0)
DbCfg.ConnMaxLifetime = sec.Key("conn_max_lifetime").MustInt(14400)
if DbCfg.Type == "sqlite3" {
UseSQLite3 = true
// only allow one connection as sqlite3 has multi threading issues that cause table locks
// DbCfg.MaxIdleConn = 1
// DbCfg.MaxOpenConn = 1
}
DbCfg.SslMode = sec.Key("ssl_mode").String()
DbCfg.CaCertPath = sec.Key("ca_cert_path").String()
DbCfg.ClientKeyPath = sec.Key("client_key_path").String()
DbCfg.ClientCertPath = sec.Key("client_cert_path").String()
DbCfg.ServerCertName = sec.Key("server_cert_name").String()
DbCfg.Path = sec.Key("path").MustString("data/grafana.db")
}
var (
dbSqlite = "sqlite"
dbMySql = "mysql"
dbPostgres = "postgres"
)
func InitTestDB(t *testing.T) *xorm.Engine {
selectedDb := dbSqlite
// selectedDb := dbMySql
// selectedDb := dbPostgres
var x *xorm.Engine
var err error
// environment variable present for test db?
if db, present := os.LookupEnv("GRAFANA_TEST_DB"); present {
selectedDb = db
}
switch strings.ToLower(selectedDb) {
case dbMySql:
x, err = xorm.NewEngine(sqlutil.TestDB_Mysql.DriverName, sqlutil.TestDB_Mysql.ConnStr)
case dbPostgres:
x, err = xorm.NewEngine(sqlutil.TestDB_Postgres.DriverName, sqlutil.TestDB_Postgres.ConnStr)
default:
x, err = xorm.NewEngine(sqlutil.TestDB_Sqlite3.DriverName, sqlutil.TestDB_Sqlite3.ConnStr)
}
x.DatabaseTZ = time.UTC
x.TZLocation = time.UTC
// x.ShowSQL()
if err != nil {
t.Fatalf("Failed to init test database: %v", err)
}
sqlutil.CleanDB(x)
if err := SetEngine(x); err != nil {
t.Fatal(err)
}
return x
}
func IsTestDbMySql() bool {
if db, present := os.LookupEnv("GRAFANA_TEST_DB"); present {
return db == dbMySql
}
return false
}
func IsTestDbPostgres() bool {
if db, present := os.LookupEnv("GRAFANA_TEST_DB"); present {
return db == dbPostgres
}
return false
}