feat: 监控告警体系统一重构 + 自动化任务调度引擎 + 监控大屏拆分
告警中心 - 新增统一告警(alert_unified)、监控告警规则(monitor_alert_rule)、指标目录(alert_metric_catalog) - 通知策略与消息分发(alert_notify_policy/dispatch/message)、静默规则 - 告警引擎按阈值/SNMP 拆分(alert_engine_monitor/snmp) 监控采集 - SNMP 常量/模板与历史指标(snmp templates/constants、snmp_metrics_history、snmp_collect) - 中间件监控 Redis 采集与种子(middleware_monitor_redis/seed) - 站点探测 pkg(siteprobe) + 站点视图(site_view) 自动化任务 - cron 调度器(cronscheduler)、脚本运行器(scriptrunner)、系统任务(systask)及运行记录(cron_job_run、system_task) 审计与凭证 - 审计设置(audit_setting) + 历史清理(auditcleaner) 前端 - 监控页面(host/middleware/site/snmp)拆分为子模块并大屏化 - 告警中心多 Tab(规则/指标目录/通知策略/静默)、任务管理组件重构、Agent CLI Markdown 渲染 - 移除旧脚本卡片/详情/日志组件，统一为 ScriptTable/ScriptCodeEditor/TerminalOutput Co-Authored-By: Claude <noreply@anthropic.com>
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package controller
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import (
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"strings"
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"time"
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"ezops/model"
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"ezops/pkg/siteprobe"
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"gorm.io/gorm"
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)
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// SiteTaskView 前端拨测任务视图（字段与前端对齐）// Logan.Li
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type SiteTaskView struct {
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ID uint `json:"id"`
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Name string `json:"name"`
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URL string `json:"url"`
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Type string `json:"type"`
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FrequencySec int `json:"frequency_sec"`
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TimeoutSec int `json:"timeout_sec"`
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ExpectedStatusCode int `json:"expected_status_code"`
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Enabled bool `json:"enabled"`
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LastStatus string `json:"last_status,omitempty"`
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LastResponseTimeMs float64 `json:"last_response_time_ms,omitempty"`
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LastCheckedAt *string `json:"last_checked_at,omitempty"`
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SuccessRate float64 `json:"success_rate"`
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AlertStatus string `json:"alert_status"`
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Status string `json:"status"`
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CreatedAt string `json:"created_at"`
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SSLDaysRemaining *int `json:"ssl_days_remaining,omitempty"`
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SSLCertExpiry *string `json:"ssl_cert_expiry,omitempty"`
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}
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func toSiteTaskView(task model.SiteTask) SiteTaskView {
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taskType := normalizeTaskType(task)
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enabled := task.Status == model.SiteTaskStatusRunning
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lastStatus := "unknown"
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switch task.LastResult {
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case "success":
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lastStatus = "up"
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case "fail", "timeout":
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lastStatus = "down"
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}
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var lastChecked *string
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if task.LastCheckAt != nil {
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s := task.LastCheckAt.Format("2006-01-02T15:04:05Z07:00")
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lastChecked = &s
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}
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return SiteTaskView{
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ID: task.ID,
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Name: task.Name,
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URL: task.URL,
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Type: taskType,
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FrequencySec: task.Frequency,
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TimeoutSec: task.Timeout,
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ExpectedStatusCode: task.ExpectedStatus,
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Enabled: enabled,
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LastStatus: lastStatus,
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LastResponseTimeMs: task.AvgResponse,
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LastCheckedAt: lastChecked,
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SuccessRate: task.SuccessRate,
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AlertStatus: "normal",
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Status: string(task.Status),
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CreatedAt: task.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
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}
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}
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// enrichSiteTaskViewsAlert 批量附加活跃告警状态 // Logan.Li
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func enrichSiteTaskViewsAlert(db *gorm.DB, views []SiteTaskView) {
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if len(views) == 0 {
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return
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}
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ids := make([]uint, 0, len(views))
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for _, v := range views {
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ids = append(ids, v.ID)
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}
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type row struct {
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TaskID uint
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}
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var rows []row
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db.Model(&model.SiteAlert{}).
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Select("DISTINCT task_id").
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Where("task_id IN ? AND status = ?", ids, model.SiteAlertStatusActive).
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Find(&rows)
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alerting := make(map[uint]bool, len(rows))
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for _, r := range rows {
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alerting[r.TaskID] = true
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}
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for i := range views {
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if alerting[views[i].ID] {
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views[i].AlertStatus = "alerting"
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}
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}
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}
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func normalizeTaskType(task model.SiteTask) string {
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t := strings.ToLower(string(task.TaskType))
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if t == "https" {
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return "HTTP"
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}
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if t != "" {
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return strings.ToUpper(t)
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}
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return strings.ToUpper(siteprobe.InferTaskTypePublic(task))
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}
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type siteSSLInfo struct {
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DaysRemaining int
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CertExpiry *time.Time
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}
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// enrichSiteTaskViewsSSL 批量附加 SSL 拨测任务的证书到期信息 // Logan.Li
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func enrichSiteTaskViewsSSL(db *gorm.DB, views []SiteTaskView) {
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if len(views) == 0 {
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return
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}
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ids := make([]uint, 0, len(views))
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for _, v := range views {
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if strings.ToUpper(v.Type) != "SSL" {
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continue
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}
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ids = append(ids, v.ID)
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}
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if len(ids) == 0 {
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return
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}
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type row struct {
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TaskID uint
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SSLDaysRemaining int
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SSLCertExpiry *time.Time
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}
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var rows []row
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db.Model(&model.SiteResult{}).
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Select("task_id, ssl_days_remaining, ssl_cert_expiry").
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Where("task_id IN ? AND ssl_cert_expiry IS NOT NULL", ids).
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Order("checked_at DESC").
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Find(&rows)
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seen := map[uint]bool{}
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sslMap := make(map[uint]siteSSLInfo, len(rows))
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for _, r := range rows {
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if seen[r.TaskID] {
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continue
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}
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seen[r.TaskID] = true
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sslMap[r.TaskID] = siteSSLInfo{DaysRemaining: r.SSLDaysRemaining, CertExpiry: r.SSLCertExpiry}
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}
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for i := range views {
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if ssl, ok := sslMap[views[i].ID]; ok {
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d := ssl.DaysRemaining
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views[i].SSLDaysRemaining = &d
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if ssl.CertExpiry != nil {
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s := ssl.CertExpiry.Format("2006-01-02T15:04:05Z07:00")
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views[i].SSLCertExpiry = &s
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}
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}
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}
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}
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func parseCreateTaskRequest(raw map[string]interface{}) model.SiteTask {
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getStr := func(keys ...string) string {
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for _, k := range keys {
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if v, ok := raw[k]; ok {
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if s, ok := v.(string); ok {
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return strings.TrimSpace(s)
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}
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}
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}
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return ""
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}
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getInt := func(def int, keys ...string) int {
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for _, k := range keys {
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if v, ok := raw[k]; ok {
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switch n := v.(type) {
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case float64:
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return int(n)
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case int:
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return n
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}
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}
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}
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return def
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}
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taskType := strings.ToLower(getStr("type", "task_type"))
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switch taskType {
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case "https":
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taskType = "http"
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case "":
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taskType = "http"
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}
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task := model.SiteTask{
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Name: getStr("name"),
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URL: getStr("url"),
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TaskType: model.SiteTaskType(taskType),
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Method: model.SiteTaskMethodGET,
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Timeout: getInt(10, "timeout_sec", "timeout"),
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Frequency: getInt(60, "frequency_sec", "frequency"),
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ExpectedStatus: getInt(200, "expected_status_code", "expected_status"),
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FollowRedirect: true,
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VerifySSL: true,
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Status: model.SiteTaskStatusRunning,
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}
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if v, ok := raw["enabled"].(bool); ok && !v {
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task.Status = model.SiteTaskStatusPaused
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}
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if v, ok := raw["dns_resolver"].(string); ok {
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task.DNSResolver = strings.TrimSpace(v)
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}
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return task
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}
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