feat(v2.0.0): tsdb (#1162)

* feat: tsdb

* fix(ci): remove --parseGoList=false from swag init to fix dependency resolution

* fix(ci): fix swag init directory and temporary remove s390x support due to cgo issues

* fix(ci): fix swag init output directory to cmd/dashboard/docs

* fix(ci): set GOTOOLCHAIN=auto for gosec

* feat: add system storage maintenance for SQLite and TSDB

* shit

* feat: add s390x support and improve service monitoring

* ci: upgrade goreleaser-cross image to v1.25

* ci: add libzstd-dev:s390x for cross-compilation

* ci: build libzstd for s390x from source

* ci: add libzstd_linux_s390x.go for gozstd linking

* ci: use vendor mode for s390x gozstd build

* ci: clone zstd source for s390x build

* refactor(tsdb): rename MaxDiskUsageGB to MinFreeDiskSpaceGB and optimize queries

- Rename config to accurately reflect VictoriaMetrics behavior: minimum free disk space threshold
- Add QueryServiceHistoryByServerID for batch query optimization
- Fix hasStatus to avoid false status counting when only delay data exists
- Fix service aggregation boundary: use successCount*2 >= count
- Fix serviceID parsing with strconv.ParseUint error handling
- Add TagFiltersCacheSize for better query performance

* feat(api): add server metrics endpoint and simplify service history response

- Add /server/:id/metrics API for querying TSDB server metrics
- Simplify getServiceHistory by removing redundant data conversion
- Change AvgDelay type from float32 to float64
- Remove generated swagger docs (to be regenerated)
- Update TSDB query, writer and tests

* chore: 临时禁用不支持前端

* ci: cache zstd build for s390x to speed up CI

* fix(tsdb): fix race conditions, data correctness and optimize performance

- Fix TOCTOU race between IsClosed() and write/query by holding RLock
- Fix delay=0 excluded from stats by using hasDelay flag instead of value > 0
- Fix fmt.Sscanf -> strconv.ParseUint for server_id parsing with error logging
- Fix buffer unbounded growth by flushing inside lock when over maxSize
- Split makeMetricRow into makeServerMetricRow/makeServiceMetricRow
- Extract InitGlobalSettings() from Open() for VictoriaMetrics globals
- Remove redundant instance/GetInstance/SetInstance singleton
- Add error logging for silently skipped block decode errors
- Optimize WriteBatch* to build all rows in single write call
- Optimize downsample to use linear scan instead of map for sorted data
- Optimize query slice reuse across block iterations

* 服务添加DisplayIndex (#1166)

* 服务添加DisplayIndex

* 根据ai建议修改

---------

Co-authored-by: huYang <306061454@qq.com>

* fix(tsdb): restore SQLite fallback and monthly status reload on restart

- Restore ServiceHistory model and SQLite write fallback when TSDB is disabled
- Reload monthlyStatus (30-day) and serviceStatusToday from TSDB/SQLite on startup
- Add SQLite fallback query for /service/:id/history and /server/:id/service
- Remove breaking GET /service/:id endpoint, keep /service/:id/history only
- Add QueryServiceDailyStats to TSDB for per-day aggregation
- Add tests for monthly status and today stats loading from both TSDB and SQLite
- Migrate ServiceHistory table only when TSDB is disabled

* ci: exclude false-positive gosec rules G117, G703, G704

* feat(api): expose tsdb_enabled in setting response

* ci: restore G115 exclusion accidentally dropped in previous commit

* fix: update version numbers for OfficialAdmin and Official templates

* chore: upgrade frontend

* chore: upgrade frontend

---------

Co-authored-by: 胡说丷刂 <34758853+laosan-xx@users.noreply.github.com>
Co-authored-by: huYang <306061454@qq.com>

service/rpc/nezha.go

@@ -12,6 +12,7 @@ import (
 	"github.com/jinzhu/copier"
 	geoipx "github.com/nezhahq/nezha/pkg/geoip"
 	"github.com/nezhahq/nezha/pkg/grpcx"
+	"github.com/nezhahq/nezha/pkg/tsdb"
 
 	"github.com/nezhahq/nezha/model"
 	pb "github.com/nezhahq/nezha/proto"
@@ -114,6 +115,44 @@ func (s *NezhaHandler) ReportSystemState(stream pb.NezhaService_ReportSystemStat
 		server.LastActive = time.Now()
 		server.State = &innerState
 
+		if singleton.TSDBEnabled() {
+			maxTemp := 0.0
+			for _, t := range innerState.Temperatures {
+				if t.Temperature > maxTemp {
+					maxTemp = t.Temperature
+				}
+			}
+			maxGPU := 0.0
+			for _, g := range innerState.GPU {
+				if g > maxGPU {
+					maxGPU = g
+				}
+			}
+			if err := singleton.TSDBShared.WriteServerMetrics(&tsdb.ServerMetrics{
+				ServerID:       clientID,
+				Timestamp:      time.Now(),
+				CPU:            innerState.CPU,
+				MemUsed:        innerState.MemUsed,
+				SwapUsed:       innerState.SwapUsed,
+				DiskUsed:       innerState.DiskUsed,
+				NetInSpeed:     innerState.NetInSpeed,
+				NetOutSpeed:    innerState.NetOutSpeed,
+				NetInTransfer:  innerState.NetInTransfer,
+				NetOutTransfer: innerState.NetOutTransfer,
+				Load1:          innerState.Load1,
+				Load5:          innerState.Load5,
+				Load15:         innerState.Load15,
+				TCPConnCount:   innerState.TcpConnCount,
+				UDPConnCount:   innerState.UdpConnCount,
+				ProcessCount:   innerState.ProcessCount,
+				Temperature:    maxTemp,
+				Uptime:         innerState.Uptime,
+				GPU:            maxGPU,
+			}); err != nil {
+				log.Printf("NEZHA>> Failed to write server metrics to TSDB: %v", err)
+			}
+		}
+
 		// 应对 dashboard / agent 重启的情况，如果从未记录过，先打点，等到小时时间点时入库
 		if server.PrevTransferInSnapshot == 0 || server.PrevTransferOutSnapshot == 0 {
 			server.PrevTransferInSnapshot = state.NetInTransfer