mirror of
https://github.com/TeaOSLab/EdgeCommon.git
synced 2025-11-03 20:40:25 +08:00
323 lines
8.8 KiB
Go
323 lines
8.8 KiB
Go
package nodeconfigs
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import (
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"encoding/json"
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"fmt"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/firewallconfigs"
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"github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
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"github.com/iwind/TeaGo/Tea"
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"github.com/iwind/TeaGo/maps"
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"io/ioutil"
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"strconv"
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)
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var sharedNodeConfig *NodeConfig = nil
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type ServerError struct {
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Id int64
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Message string
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}
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func NewServerError(serverId int64, message string) *ServerError {
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return &ServerError{Id: serverId, Message: message}
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}
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// NodeConfig 边缘节点配置
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type NodeConfig struct {
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Id int64 `yaml:"id" json:"id"`
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NodeId string `yaml:"nodeId" json:"nodeId"`
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Secret string `yaml:"secret" json:"secret"`
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IsOn bool `yaml:"isOn" json:"isOn"`
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Servers []*serverconfigs.ServerConfig `yaml:"servers" json:"servers"`
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SupportCNAME bool `yaml:"supportCNAME" json:"supportCNAME"`
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Version int64 `yaml:"version" json:"version"`
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Name string `yaml:"name" json:"name"`
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MaxCPU int32 `yaml:"maxCPU" json:"maxCPU"`
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RegionId int64 `yaml:"regionId" json:"regionId"`
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MaxCacheDiskCapacity *shared.SizeCapacity `yaml:"maxCacheDiskCapacity" json:"maxCacheDiskCapacity"`
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MaxCacheMemoryCapacity *shared.SizeCapacity `yaml:"maxCacheMemoryCapacity" json:"maxCacheMemoryCapacity"`
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// 全局配置
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GlobalConfig *serverconfigs.GlobalConfig `yaml:"globalConfig" json:"globalConfig"` // 全局配置
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// 集群统一配置
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HTTPFirewallPolicies []*firewallconfigs.HTTPFirewallPolicy `yaml:"httpFirewallPolicies" json:"httpFirewallPolicies"`
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HTTPCachePolicies []*serverconfigs.HTTPCachePolicy `yaml:"httpCachePolicies" json:"httpCachePolicies"`
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TOA *TOAConfig `yaml:"toa" json:"toa"`
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SystemServices map[string]maps.Map `yaml:"systemServices" json:"systemServices"` // 系统服务配置 type => params
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FirewallActions []*firewallconfigs.FirewallActionConfig `yaml:"firewallActions" json:"firewallActions"`
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TimeZone string `yaml:"timeZone" json:"timeZone"`
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MetricItems []*serverconfigs.MetricItemConfig `yaml:"metricItems" json:"metricItems"`
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paddedId string
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// firewall
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firewallPolicies []*firewallconfigs.HTTPFirewallPolicy
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// metrics
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hasHTTPConnectionMetrics bool
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// 源站集合
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originMap map[int64]*serverconfigs.OriginConfig
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}
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// SharedNodeConfig 取得当前节点配置单例
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func SharedNodeConfig() (*NodeConfig, error) {
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shared.Locker.Lock()
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defer shared.Locker.Unlock()
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if sharedNodeConfig != nil {
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return sharedNodeConfig, nil
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}
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data, err := ioutil.ReadFile(Tea.ConfigFile("node.json"))
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if err != nil {
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return &NodeConfig{}, err
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}
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config := &NodeConfig{}
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err = json.Unmarshal(data, &config)
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if err != nil {
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return &NodeConfig{}, err
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}
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sharedNodeConfig = config
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return config, nil
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}
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// ResetNodeConfig 重置节点配置
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func ResetNodeConfig(nodeConfig *NodeConfig) {
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shared.Locker.Lock()
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sharedNodeConfig = nodeConfig
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shared.Locker.Unlock()
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}
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// Init 初始化
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func (this *NodeConfig) Init() (err error, serverErrors []*ServerError) {
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this.paddedId = fmt.Sprintf("%08d", this.Id)
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// servers
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for _, server := range this.Servers {
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err = server.Init()
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if err != nil {
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// 这里不返回错误，而是继续往下，防止单个服务错误而影响其他服务
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serverErrors = append(serverErrors, NewServerError(server.Id, "server '"+strconv.FormatInt(server.Id, 10)+"' init failed: "+err.Error()))
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}
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}
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// global config
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if this.GlobalConfig != nil {
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err = this.GlobalConfig.Init()
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if err != nil {
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return
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}
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}
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// cache policy
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if len(this.HTTPCachePolicies) > 0 {
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for _, policy := range this.HTTPCachePolicies {
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err = policy.Init()
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if err != nil {
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return
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}
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}
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}
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// firewall policy
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if len(this.HTTPFirewallPolicies) > 0 {
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for _, policy := range this.HTTPFirewallPolicies {
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err = policy.Init()
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if err != nil {
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return
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}
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}
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}
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// TOA
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if this.TOA != nil {
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err = this.TOA.Init()
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if err != nil {
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return
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}
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}
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// 源站
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this.originMap = map[int64]*serverconfigs.OriginConfig{}
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// 查找FirewallPolicy
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this.firewallPolicies = []*firewallconfigs.HTTPFirewallPolicy{}
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for _, policy := range this.HTTPFirewallPolicies {
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if policy.IsOn {
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this.firewallPolicies = append(this.firewallPolicies, policy)
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}
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}
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for _, server := range this.Servers {
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if !server.IsOk() || !server.IsOn {
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continue
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}
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// WAF策略
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if server.HTTPFirewallPolicyId > 0 {
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for _, policy := range this.HTTPFirewallPolicies {
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if server.HTTPFirewallPolicyId == policy.Id {
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server.HTTPFirewallPolicy = policy
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break
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}
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}
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}
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// 缓存策略
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if server.HTTPCachePolicyId > 0 {
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for _, policy := range this.HTTPCachePolicies {
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if server.HTTPCachePolicyId == policy.Id {
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server.HTTPCachePolicy = policy
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}
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}
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}
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// 源站
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if server.ReverseProxyRef != nil && server.ReverseProxyRef.IsOn && server.ReverseProxy != nil && server.ReverseProxy.IsOn {
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for _, origin := range server.ReverseProxy.PrimaryOrigins {
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if origin.IsOn {
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this.originMap[origin.Id] = origin
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}
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}
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for _, origin := range server.ReverseProxy.BackupOrigins {
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if origin.IsOn {
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this.originMap[origin.Id] = origin
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}
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}
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}
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if server.Web != nil {
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this.lookupWeb(server, server.Web)
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}
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}
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// firewall actions
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for _, action := range this.FirewallActions {
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err = action.Init()
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if err != nil {
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return
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}
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}
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// metric items
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this.hasHTTPConnectionMetrics = false
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for _, item := range this.MetricItems {
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err = item.Init()
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if err != nil {
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return
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}
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if item.IsOn && item.HasHTTPConnectionValue() {
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this.hasHTTPConnectionMetrics = true
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}
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}
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return
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}
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// AvailableGroups 根据网络地址和协议分组
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func (this *NodeConfig) AvailableGroups() []*serverconfigs.ServerAddressGroup {
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groupMapping := map[string]*serverconfigs.ServerAddressGroup{} // protocol://addr => Server Group
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for _, server := range this.Servers {
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if !server.IsOk() || !server.IsOn {
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continue
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}
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for _, addr := range server.FullAddresses() {
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group, ok := groupMapping[addr]
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if ok {
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group.Add(server)
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} else {
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group = serverconfigs.NewServerAddressGroup(addr)
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group.Add(server)
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}
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groupMapping[addr] = group
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}
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}
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result := []*serverconfigs.ServerAddressGroup{}
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for _, group := range groupMapping {
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result = append(result, group)
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}
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return result
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}
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// FindAllFirewallPolicies 获取所有的防火墙策略
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func (this *NodeConfig) FindAllFirewallPolicies() []*firewallconfigs.HTTPFirewallPolicy {
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return this.firewallPolicies
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}
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// Save 写入到文件
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func (this *NodeConfig) Save() error {
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shared.Locker.Lock()
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defer shared.Locker.Unlock()
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data, err := json.Marshal(this)
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if err != nil {
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return err
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}
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return ioutil.WriteFile(Tea.ConfigFile("node.json"), data, 0777)
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}
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// PaddedId 获取填充后的ID
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func (this *NodeConfig) PaddedId() string {
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return this.paddedId
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}
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// HasHTTPConnectionMetrics 是否含有HTTP连接数的指标
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func (this *NodeConfig) HasHTTPConnectionMetrics() bool {
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return this.hasHTTPConnectionMetrics
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}
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// FindOrigin 读取源站配置
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func (this *NodeConfig) FindOrigin(originId int64) *serverconfigs.OriginConfig {
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if this.originMap == nil {
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return nil
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}
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config, ok := this.originMap[originId]
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if ok {
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return config
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}
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return nil
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}
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// 搜索WAF策略
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func (this *NodeConfig) lookupWeb(server *serverconfigs.ServerConfig, web *serverconfigs.HTTPWebConfig) {
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if web == nil || !web.IsOn {
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return
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}
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if web.FirewallPolicy != nil && web.FirewallPolicy.IsOn {
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// 复用节点的拦截选项设置
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if web.FirewallPolicy.BlockOptions == nil && server.HTTPFirewallPolicy != nil && server.HTTPFirewallPolicy.BlockOptions != nil {
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web.FirewallPolicy.BlockOptions = server.HTTPFirewallPolicy.BlockOptions
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web.FirewallPolicy.Mode = server.HTTPFirewallPolicy.Mode
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}
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this.firewallPolicies = append(this.firewallPolicies, web.FirewallPolicy)
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}
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if len(web.Locations) > 0 {
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for _, location := range web.Locations {
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// 源站
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if location.IsOn && location.ReverseProxyRef != nil && location.ReverseProxyRef.IsOn && location.ReverseProxy != nil && location.ReverseProxy.IsOn {
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for _, origin := range location.ReverseProxy.PrimaryOrigins {
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if origin.IsOn {
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this.originMap[origin.Id] = origin
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}
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}
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for _, origin := range location.ReverseProxy.BackupOrigins {
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if origin.IsOn {
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this.originMap[origin.Id] = origin
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}
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}
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}
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// Web
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if location.Web != nil && location.Web.IsOn {
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this.lookupWeb(server, location.Web)
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}
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}
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}
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}
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