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在API节点启动时，如果无法连接到本地MySQL数据库，则尝试启动固定位置上的MySQL

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This commit is contained in:
刘祥超
2023-03-17 16:02:37 +08:00
parent 4cd9c5071d
commit 3b30705f33
1 changed files with 15 additions and 1 deletions
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16
internal/nodes/api_node.go
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@@ -306,13 +306,27 @@ func (this *APINode) checkDB() error {
logs.Println("[API_NODE]" + errString)
this.addStartIssue("db", errString, this.dbIssueSuggestion(errString))
// 决定是否尝试启动本地的MySQL
if strings.Contains(err.Error(), "connection refused") {
config, _ := db.Config()
if config != nil && (strings.Contains(config.Dsn, "tcp(127.0.0.1:") || strings.Contains(config.Dsn, "tcp(localhost:)")) && os.Getgid() == 0 /** ROOT 用户 **/ {
var mysqldSafeFile = "/usr/local/mysql/bin/mysqld_safe"
_, err = os.Stat(mysqldSafeFile)
if err == nil {
logs.Println("[API_NODE]try to start local mysql server from '" + mysqldSafeFile + "' ...")
var mysqlCmd = exec.Command(mysqldSafeFile)
_ = mysqlCmd.Start()
}
}
}
// 多次尝试
var maxTries = 600
if Tea.IsTesting() {
maxTries = 600
}
for i := 0; i <= maxTries; i++ {
_, err := db.Exec("SELECT 1")
_, err = db.Exec("SELECT 1")
if err != nil {
if i == maxTries-1 {
return err