146 lines
3.4 KiB
Go
146 lines
3.4 KiB
Go
package controller
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import (
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"encoding/json"
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"fmt"
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"net/http"
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"strconv"
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"strings"
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"time"
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"ezops/middleware"
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ezredis "ezops/pkg/redis"
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"ezops/pkg/wshub"
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"github.com/gin-gonic/gin"
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"github.com/gorilla/websocket"
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"gorm.io/gorm"
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)
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// WSPipelineLogHandler WebSocket 流水线日志推流
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type WSPipelineLogHandler struct {
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db *gorm.DB
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cache ezredis.Cache
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wsMgr *wshub.WSManager
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}
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// NewWSPipelineLogHandler 创建 WebSocket 日志处理器
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func NewWSPipelineLogHandler(db *gorm.DB, cache ezredis.Cache, wsMgr *wshub.WSManager) *WSPipelineLogHandler {
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return &WSPipelineLogHandler{db: db, cache: cache, wsMgr: wsMgr}
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}
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// StreamLog WebSocket 端点：/ws/pipeline/:runId/log
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func (h *WSPipelineLogHandler) StreamLog(c *gin.Context) {
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runIDStr := c.Param("runId")
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runID, err := strconv.ParseUint(runIDStr, 10, 32)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的 runId"})
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return
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}
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userID := middleware.GetUserID(c)
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username := middleware.GetUsername(c)
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ws, info, err := h.wsMgr.Upgrade(c, wshub.TypePipeline, userID, username)
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if err != nil {
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return
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}
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defer h.wsMgr.Unregister(info)
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h.wsMgr.StartHeartbeat(ws, info)
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logKey := fmt.Sprintf("pipeline:run:%d:logs", uint(runID))
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ctx := c.Request.Context()
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// 首次发送：已有日志
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raw, _ := h.cache.Get(ctx, logKey)
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if raw != "" {
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ws.WriteJSON(map[string]interface{}{"type": "init", "logs": raw})
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}
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// 轮询新日志（500ms 间隔）
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lastLen := 0
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ticker := time.NewTicker(500 * time.Millisecond)
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defer ticker.Stop()
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done := make(chan struct{})
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go func() {
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defer close(done)
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for {
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_, _, err := ws.ReadMessage()
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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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for {
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select {
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case <-done:
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return
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case <-ticker.C:
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raw, err := h.cache.Get(ctx, logKey)
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if err != nil || raw == "" {
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continue
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}
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var entries []LogEntry
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if err := json.Unmarshal([]byte(raw), &entries); err != nil {
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continue
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}
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if len(entries) > lastLen {
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// 增量推送
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newEntries := entries[lastLen:]
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lastLen = len(entries)
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for _, e := range newEntries {
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buf, _ := json.Marshal(e)
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if err := ws.WriteMessage(websocket.TextMessage, buf); err != nil {
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return
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}
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}
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}
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// 检查流水线是否已结束（日志 key 被删除 = 已写入 DB）
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if lastLen > 0 {
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exists, _ := h.cache.Exists(ctx, logKey)
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if exists == 0 {
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// 发送完成信号
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ws.WriteJSON(map[string]interface{}{"type": "done"})
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return
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}
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}
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case <-ctx.Done():
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return
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}
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}
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}
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// GetLogHistory HTTP 日志历史（已完成的任务从 DB 读取）
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func (h *WSPipelineLogHandler) GetLogHistory(c *gin.Context) {
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runIDStr := c.Param("runId")
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runID, err := strconv.ParseUint(runIDStr, 10, 32)
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if err != nil {
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c.JSON(http.StatusBadRequest, gin.H{"error": "无效的 runId"})
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return
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}
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// 先查 Redis（执行中）
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logKey := fmt.Sprintf("pipeline:run:%d:logs", uint(runID))
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ctx := c.Request.Context()
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raw, _ := h.cache.Get(ctx, logKey)
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if raw != "" && !strings.HasPrefix(raw, "[") {
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raw = "[]"
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}
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if raw != "" {
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c.JSON(http.StatusOK, gin.H{"code": 200, "data": gin.H{"source": "redis", "logs": raw}})
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return
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}
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// 查 DB（已完成）
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var logs string
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h.db.Table("deploy_pipeline_runs").Where("id = ?", uint(runID)).Select("logs").Scan(&logs)
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if logs == "" {
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logs = "[]"
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}
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c.JSON(http.StatusOK, gin.H{"code": 200, "data": gin.H{"source": "db", "logs": logs}})
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}
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