Files
EdgeAPI/internal/db/models/db_node_initializer.go

372 lines
9.3 KiB
Go

package models
import (
"fmt"
"github.com/TeaOSLab/EdgeAPI/internal/errors"
"github.com/TeaOSLab/EdgeAPI/internal/goman"
"github.com/TeaOSLab/EdgeAPI/internal/remotelogs"
"github.com/TeaOSLab/EdgeAPI/internal/utils"
"github.com/TeaOSLab/EdgeCommon/pkg/nodeconfigs"
"github.com/iwind/TeaGo/dbs"
"github.com/iwind/TeaGo/lists"
"github.com/iwind/TeaGo/rands"
timeutil "github.com/iwind/TeaGo/utils/time"
"hash/crc32"
"regexp"
"strconv"
"strings"
"sync"
"time"
)
var accessLogDBMapping = map[int64]*dbs.DB{} // dbNodeId => DB
var accessLogLocker = &sync.RWMutex{}
type httpAccessLogDefinition struct {
Name string
HasRemoteAddr bool
HasDomain bool
Exists bool
}
// HTTP服务访问
var httpAccessLogDAOMapping = map[int64]*HTTPAccessLogDAOWrapper{} // dbNodeId => DAO
// DNS服务访问
var nsAccessLogDAOMapping = map[int64]*NSAccessLogDAOWrapper{} // dbNodeId => DAO
var nsAccessLogTableMapping = map[string]bool{} // tableName_crc(dsn) => true
// HTTPAccessLogDAOWrapper HTTP访问日志DAO
type HTTPAccessLogDAOWrapper struct {
DAO *HTTPAccessLogDAO
NodeId int64
}
// NSAccessLogDAOWrapper NS访问日志DAO
type NSAccessLogDAOWrapper struct {
DAO *NSAccessLogDAO
NodeId int64
}
func init() {
initializer := NewDBNodeInitializer()
dbs.OnReadyDone(func() {
goman.New(func() {
initializer.Start()
})
})
}
func AllAccessLogDBs() []*dbs.DB {
accessLogLocker.Lock()
defer accessLogLocker.Unlock()
var result = []*dbs.DB{}
for _, db := range accessLogDBMapping {
result = append(result, db)
}
if len(result) == 0 {
db, _ := dbs.Default()
if db != nil {
result = append(result, db)
}
}
return result
}
// 获取获取DAO
func randomHTTPAccessLogDAO() (dao *HTTPAccessLogDAOWrapper) {
accessLogLocker.RLock()
defer accessLogLocker.RUnlock()
if len(httpAccessLogDAOMapping) == 0 {
dao = nil
return
}
var daoList = []*HTTPAccessLogDAOWrapper{}
for _, d := range httpAccessLogDAOMapping {
daoList = append(daoList, d)
}
var l = len(daoList)
if l == 0 {
return
}
if l == 1 {
return daoList[0]
}
return daoList[rands.Int(0, len(daoList)-1)]
}
func randomNSAccessLogDAO() (dao *NSAccessLogDAOWrapper) {
accessLogLocker.RLock()
if len(nsAccessLogDAOMapping) == 0 {
dao = nil
} else {
for _, d := range nsAccessLogDAOMapping {
dao = d
break
}
}
accessLogLocker.RUnlock()
return
}
func findNSAccessLogTableName(db *dbs.DB, day string) (tableName string, ok bool, err error) {
if !regexp.MustCompile(`^\d{8}$`).MatchString(day) {
err = errors.New("invalid day '" + day + "', should be YYYYMMDD")
return
}
config, err := db.Config()
if err != nil {
return "", false, err
}
tableName = "edgeNSAccessLogs_" + day
cacheKey := tableName + "_" + fmt.Sprintf("%d", crc32.ChecksumIEEE([]byte(config.Dsn)))
accessLogLocker.RLock()
_, ok = nsAccessLogTableMapping[cacheKey]
accessLogLocker.RUnlock()
if ok {
return tableName, true, nil
}
tableNames, err := db.TableNames()
if err != nil {
return tableName, false, err
}
return tableName, utils.ContainsStringInsensitive(tableNames, tableName), nil
}
func findNSAccessLogTable(db *dbs.DB, day string, force bool) (string, error) {
config, err := db.Config()
if err != nil {
return "", err
}
tableName := "edgeNSAccessLogs_" + day
cacheKey := tableName + "_" + fmt.Sprintf("%d", crc32.ChecksumIEEE([]byte(config.Dsn)))
if !force {
accessLogLocker.RLock()
_, ok := nsAccessLogTableMapping[cacheKey]
accessLogLocker.RUnlock()
if ok {
return tableName, nil
}
}
tableNames, err := db.TableNames()
if err != nil {
return tableName, err
}
if utils.ContainsStringInsensitive(tableNames, tableName) {
accessLogLocker.Lock()
nsAccessLogTableMapping[cacheKey] = true
accessLogLocker.Unlock()
return tableName, nil
}
// 创建表格
_, err = db.Exec("CREATE TABLE `" + tableName + "` (\n `id` bigint(20) unsigned NOT NULL AUTO_INCREMENT COMMENT 'ID',\n `nodeId` int(11) unsigned DEFAULT '0' COMMENT '节点ID',\n `domainId` int(11) unsigned DEFAULT '0' COMMENT '域名ID',\n `recordId` int(11) unsigned DEFAULT '0' COMMENT '记录ID',\n `content` json DEFAULT NULL COMMENT '访问数据',\n `requestId` varchar(128) DEFAULT NULL COMMENT '请求ID',\n `createdAt` bigint(11) unsigned DEFAULT '0' COMMENT '创建时间',\n `remoteAddr` varchar(128) DEFAULT NULL COMMENT 'IP',\n PRIMARY KEY (`id`),\n KEY `nodeId` (`nodeId`),\n KEY `domainId` (`domainId`),\n KEY `recordId` (`recordId`),\n KEY `requestId` (`requestId`),\n KEY `remoteAddr` (`remoteAddr`)\n) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='域名服务访问日志';")
if err != nil {
return tableName, err
}
accessLogLocker.Lock()
nsAccessLogTableMapping[cacheKey] = true
accessLogLocker.Unlock()
return tableName, nil
}
// DBNodeInitializer 初始化数据库连接
type DBNodeInitializer struct {
}
func NewDBNodeInitializer() *DBNodeInitializer {
return &DBNodeInitializer{}
}
// Start 启动
func (this *DBNodeInitializer) Start() {
// 初始运行
err := this.loop()
if err != nil {
remotelogs.Error("DB_NODE", err.Error())
}
// 定时运行
ticker := time.NewTicker(60 * time.Second)
for range ticker.C {
err := this.loop()
if err != nil {
remotelogs.Error("DB_NODE", err.Error())
}
}
}
// 单次运行
func (this *DBNodeInitializer) loop() error {
dbNodes, err := SharedDBNodeDAO.FindAllEnabledAndOnDBNodes(nil)
if err != nil {
return err
}
nodeIds := []int64{}
for _, node := range dbNodes {
nodeIds = append(nodeIds, int64(node.Id))
}
// 关掉老的
accessLogLocker.Lock()
closingDbs := []*dbs.DB{}
for nodeId, db := range accessLogDBMapping {
if !lists.ContainsInt64(nodeIds, nodeId) {
closingDbs = append(closingDbs, db)
delete(accessLogDBMapping, nodeId)
delete(httpAccessLogDAOMapping, nodeId)
delete(nsAccessLogDAOMapping, nodeId)
remotelogs.Error("DB_NODE", "close db node '"+strconv.FormatInt(nodeId, 10)+"'")
}
}
accessLogLocker.Unlock()
for _, db := range closingDbs {
_ = db.Close()
}
// 启动新的
for _, node := range dbNodes {
nodeId := int64(node.Id)
accessLogLocker.Lock()
db, ok := accessLogDBMapping[nodeId]
accessLogLocker.Unlock()
dsn := node.Username + ":" + node.Password + "@tcp(" + node.Host + ":" + fmt.Sprintf("%d", node.Port) + ")/" + node.Database + "?charset=utf8mb4&timeout=10s"
if ok {
// 检查配置是否有变化
oldConfig, err := db.Config()
if err != nil {
remotelogs.Error("DB_NODE", "read database old config failed: "+err.Error())
continue
}
// 如果有变化则关闭
if oldConfig.Dsn != dsn {
_ = db.Close()
db = nil
}
}
if db == nil {
var config = &dbs.DBConfig{
Driver: "mysql",
Dsn: dsn,
Prefix: "edge",
}
db, err := dbs.NewInstanceFromConfig(config)
if err != nil {
remotelogs.Error("DB_NODE", "initialize database config failed: "+err.Error())
continue
}
// 检查表是否存在
// httpAccessLog
{
tableDef, err := SharedHTTPAccessLogManager.FindLastTable(db, timeutil.Format("Ymd"), true)
if err != nil {
remotelogs.Error("DB_NODE", "create first table in database node failed: "+err.Error())
// 创建节点日志
createLogErr := SharedNodeLogDAO.CreateLog(nil, nodeconfigs.NodeRoleDatabase, nodeId, 0, 0, "error", "ACCESS_LOG", "can not create access log table: "+err.Error(), time.Now().Unix(), "", nil)
if createLogErr != nil {
remotelogs.Error("NODE_LOG", createLogErr.Error())
}
continue
}
daoObject := dbs.DAOObject{
Instance: db,
DB: node.Name + "(id:" + strconv.Itoa(int(node.Id)) + ")",
Table: tableDef.Name,
PkName: "id",
Model: new(HTTPAccessLog),
}
err = daoObject.Init()
if err != nil {
remotelogs.Error("DB_NODE", "initialize dao failed: "+err.Error())
continue
}
accessLogLocker.Lock()
accessLogDBMapping[nodeId] = db
dao := &HTTPAccessLogDAO{
DAOObject: daoObject,
}
httpAccessLogDAOMapping[nodeId] = &HTTPAccessLogDAOWrapper{
DAO: dao,
NodeId: nodeId,
}
accessLogLocker.Unlock()
}
// nsAccessLog
{
tableName, err := findNSAccessLogTable(db, timeutil.Format("Ymd"), false)
if err != nil {
if !strings.Contains(err.Error(), "1050") { // 非表格已存在错误
remotelogs.Error("DB_NODE", "create first table in database node failed: "+err.Error())
// 创建节点日志
createLogErr := SharedNodeLogDAO.CreateLog(nil, nodeconfigs.NodeRoleDatabase, nodeId, 0, 0, "error", "ACCESS_LOG", "can not create access log table: "+err.Error(), time.Now().Unix(), "", nil)
if createLogErr != nil {
remotelogs.Error("NODE_LOG", createLogErr.Error())
}
continue
} else {
err = nil
}
}
daoObject := dbs.DAOObject{
Instance: db,
DB: node.Name + "(id:" + strconv.Itoa(int(node.Id)) + ")",
Table: tableName,
PkName: "id",
Model: new(NSAccessLog),
}
err = daoObject.Init()
if err != nil {
remotelogs.Error("DB_NODE", "initialize dao failed: "+err.Error())
continue
}
accessLogLocker.Lock()
accessLogDBMapping[nodeId] = db
dao := &NSAccessLogDAO{
DAOObject: daoObject,
}
nsAccessLogDAOMapping[nodeId] = &NSAccessLogDAOWrapper{
DAO: dao,
NodeId: nodeId,
}
accessLogLocker.Unlock()
}
}
}
return nil
}