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Make db connect more robust (#5738)

This commit is contained in:
Paul Brackin 2019-01-19 13:17:08 -08:00 committed by techknowlogick
parent f54e0d2f16
commit 1bb22b2b47
4 changed files with 41 additions and 10 deletions

View file

@ -242,6 +242,11 @@ SQLITE_TIMEOUT = 500
ITERATE_BUFFER_SIZE = 50
; Show the database generated SQL
LOG_SQL = true
; Maximum number of DB Connect retries
DB_RETRIES = 10
; Backoff time per DB retry (time.Duration)
DB_RETRY_BACKOFF = 3s
[indexer]
ISSUE_INDEXER_PATH = indexers/issues.bleve

View file

@ -145,6 +145,8 @@ Values containing `#` or `;` must be quoted using `` ` `` or `"""`.
- `SSL_MODE`: **disable**: For PostgreSQL and MySQL only.
- `PATH`: **data/gitea.db**: For SQLite3 only, the database file path.
- `LOG_SQL`: **true**: Log the executed SQL.
- `DB_RETRIES`: **10**: How many ORM init / DB connect attempts allowed.
- `DB_RETRY_BACKOFF`: **3s*: time.Duration to wait before trying another ORM init / DB connect attempt, if failure occured.
## Indexer (`indexer`)

View file

@ -169,12 +169,14 @@ var (
DisableGitHooks bool
// Database settings
UseSQLite3 bool
UseMySQL bool
UseMSSQL bool
UsePostgreSQL bool
UseTiDB bool
LogSQL bool
UseSQLite3 bool
UseMySQL bool
UseMSSQL bool
UsePostgreSQL bool
UseTiDB bool
LogSQL bool
DBConnectRetries int
DBConnectBackoff time.Duration
// Indexer settings
Indexer struct {
@ -986,6 +988,8 @@ func NewContext() {
}
IterateBufferSize = Cfg.Section("database").Key("ITERATE_BUFFER_SIZE").MustInt(50)
LogSQL = Cfg.Section("database").Key("LOG_SQL").MustBool(true)
DBConnectRetries = Cfg.Section("database").Key("DB_RETRIES").MustInt(10)
DBConnectBackoff = Cfg.Section("database").Key("DB_RETRY_BACKOFF").MustDuration(3 * time.Second)
sec = Cfg.Section("attachment")
AttachmentPath = sec.Key("PATH").MustString(path.Join(AppDataPath, "attachments"))

View file

@ -7,6 +7,7 @@ package routers
import (
"path"
"strings"
"time"
"code.gitea.io/git"
"code.gitea.io/gitea/models"
@ -42,6 +43,24 @@ func NewServices() {
cache.NewContext()
}
// In case of problems connecting to DB, retry connection. Eg, PGSQL in Docker Container on Synology
func initDBEngine() (err error) {
log.Info("Beginning ORM engine initialization.")
for i := 0; i < setting.DBConnectRetries; i++ {
log.Info("ORM engine initialization attempt #%d/%d...", i+1, setting.DBConnectRetries)
if err := models.NewEngine(migrations.Migrate); err == nil {
break
} else if i == setting.DBConnectRetries-1 {
return err
}
log.Debug("ORM engine initialization attempt #%d/%d failed. Error: %v", i+1, setting.DBConnectRetries, err)
log.Info("Backing off for %d seconds", int64(setting.DBConnectBackoff/time.Second))
time.Sleep(setting.DBConnectBackoff)
}
models.HasEngine = true
return nil
}
// GlobalInit is for global configuration reload-able.
func GlobalInit() {
setting.NewContext()
@ -56,11 +75,12 @@ func GlobalInit() {
if setting.InstallLock {
highlight.NewContext()
markup.Init()
if err := models.NewEngine(migrations.Migrate); err != nil {
log.Fatal(4, "Failed to initialize ORM engine: %v", err)
if err := initDBEngine(); err == nil {
log.Info("ORM engine initialization successful!")
} else {
log.Fatal(4, "ORM engine initialization failed: %v", err)
}
models.HasEngine = true
if err := models.InitOAuth2(); err != nil {
log.Fatal(4, "Failed to initialize OAuth2 support: %v", err)
}