mirror of
https://github.com/woodpecker-ci/woodpecker.git
synced 2024-06-02 09:11:21 +00:00
274 lines
6.8 KiB
Go
274 lines
6.8 KiB
Go
// Copyright 2022 Woodpecker Authors
|
|
// Copyright 2018 Drone.IO Inc.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package api
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"io"
|
|
"net/http"
|
|
"strconv"
|
|
"time"
|
|
|
|
"github.com/gin-gonic/gin"
|
|
"github.com/rs/zerolog/log"
|
|
|
|
"go.woodpecker-ci.org/woodpecker/v2/server"
|
|
"go.woodpecker-ci.org/woodpecker/v2/server/model"
|
|
"go.woodpecker-ci.org/woodpecker/v2/server/pubsub"
|
|
"go.woodpecker-ci.org/woodpecker/v2/server/router/middleware/session"
|
|
"go.woodpecker-ci.org/woodpecker/v2/server/store"
|
|
)
|
|
|
|
// EventStreamSSE
|
|
//
|
|
// @Summary Event stream
|
|
// @Description event source streaming for compatibility with quic and http2
|
|
// @Router /stream/events [get]
|
|
// @Produce plain
|
|
// @Success 200
|
|
// @Tags Events
|
|
func EventStreamSSE(c *gin.Context) {
|
|
c.Header("Content-Type", "text/event-stream")
|
|
c.Header("Cache-Control", "no-cache")
|
|
c.Header("Connection", "keep-alive")
|
|
c.Header("X-Accel-Buffering", "no")
|
|
|
|
rw := c.Writer
|
|
|
|
flusher, ok := rw.(http.Flusher)
|
|
if !ok {
|
|
c.String(http.StatusInternalServerError, "Streaming not supported")
|
|
return
|
|
}
|
|
|
|
// ping the client
|
|
logWriteStringErr(io.WriteString(rw, ": ping\n\n"))
|
|
flusher.Flush()
|
|
|
|
log.Debug().Msg("user feed: connection opened")
|
|
|
|
user := session.User(c)
|
|
repo := map[string]bool{}
|
|
if user != nil {
|
|
repos, _ := store.FromContext(c).RepoList(user, false, true)
|
|
for _, r := range repos {
|
|
repo[r.FullName] = true
|
|
}
|
|
}
|
|
|
|
eventc := make(chan []byte, 10)
|
|
ctx, cancel := context.WithCancelCause(
|
|
context.Background(),
|
|
)
|
|
|
|
defer func() {
|
|
cancel(nil)
|
|
close(eventc)
|
|
log.Debug().Msg("user feed: connection closed")
|
|
}()
|
|
|
|
go func() {
|
|
server.Config.Services.Pubsub.Subscribe(ctx, func(m pubsub.Message) {
|
|
defer func() {
|
|
obj := recover() // fix #2480 // TODO: check if it's still needed
|
|
log.Trace().Msgf("pubsub subscribe recover return: %v", obj)
|
|
}()
|
|
name := m.Labels["repo"]
|
|
priv := m.Labels["private"]
|
|
if repo[name] || priv == "false" {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
default:
|
|
eventc <- m.Data
|
|
}
|
|
}
|
|
})
|
|
cancel(nil)
|
|
}()
|
|
|
|
for {
|
|
select {
|
|
case <-rw.CloseNotify():
|
|
return
|
|
case <-ctx.Done():
|
|
return
|
|
case <-time.After(time.Second * 30):
|
|
logWriteStringErr(io.WriteString(rw, ": ping\n\n"))
|
|
flusher.Flush()
|
|
case buf, ok := <-eventc:
|
|
if ok {
|
|
logWriteStringErr(io.WriteString(rw, "data: "))
|
|
logWriteStringErr(rw.Write(buf))
|
|
logWriteStringErr(io.WriteString(rw, "\n\n"))
|
|
flusher.Flush()
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// LogStreamSSE
|
|
//
|
|
// @Summary Log stream
|
|
// @Router /stream/logs/{repo_id}/{pipeline}/{stepID} [get]
|
|
// @Produce plain
|
|
// @Success 200
|
|
// @Tags Pipeline logs
|
|
// @Param repo_id path int true "the repository id"
|
|
// @Param pipeline path int true "the number of the pipeline"
|
|
// @Param stepID path int true "the step id"
|
|
func LogStreamSSE(c *gin.Context) {
|
|
c.Header("Content-Type", "text/event-stream")
|
|
c.Header("Cache-Control", "no-cache")
|
|
c.Header("Connection", "keep-alive")
|
|
c.Header("X-Accel-Buffering", "no")
|
|
|
|
rw := c.Writer
|
|
|
|
flusher, ok := rw.(http.Flusher)
|
|
if !ok {
|
|
c.String(http.StatusInternalServerError, "Streaming not supported")
|
|
return
|
|
}
|
|
|
|
logWriteStringErr(io.WriteString(rw, ": ping\n\n"))
|
|
flusher.Flush()
|
|
|
|
_store := store.FromContext(c)
|
|
repo := session.Repo(c)
|
|
|
|
pipeline, err := strconv.ParseInt(c.Param("pipeline"), 10, 64)
|
|
if err != nil {
|
|
log.Debug().Err(err).Msg("pipeline number invalid")
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: pipeline number invalid\n\n"))
|
|
return
|
|
}
|
|
pl, err := _store.GetPipelineNumber(repo, pipeline)
|
|
if err != nil {
|
|
log.Debug().Msgf("stream cannot get pipeline number: %v", err)
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: pipeline not found\n\n"))
|
|
return
|
|
}
|
|
|
|
stepID, err := strconv.ParseInt(c.Param("stepId"), 10, 64)
|
|
if err != nil {
|
|
log.Debug().Err(err).Msg("step id invalid")
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: step id invalid\n\n"))
|
|
return
|
|
}
|
|
step, err := _store.StepLoad(stepID)
|
|
if err != nil {
|
|
log.Debug().Msgf("stream cannot get step number: %v", err)
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: process not found\n\n"))
|
|
return
|
|
}
|
|
|
|
if step.PipelineID != pl.ID {
|
|
// make sure we can not read arbitrary logs by id
|
|
err = fmt.Errorf("step with id %d is not part of repo %s", stepID, repo.FullName)
|
|
log.Debug().Err(err).Msg("event error")
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: "+err.Error()+"\n\n"))
|
|
return
|
|
}
|
|
|
|
if step.State != model.StatusRunning {
|
|
log.Debug().Msg("step not running (anymore).")
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: step not running (anymore)\n\n"))
|
|
return
|
|
}
|
|
|
|
logc := make(chan []byte, 10)
|
|
ctx, cancel := context.WithCancelCause(
|
|
context.Background(),
|
|
)
|
|
|
|
log.Debug().Msgf("log stream: connection opened")
|
|
|
|
defer func() {
|
|
cancel(nil)
|
|
close(logc)
|
|
log.Debug().Msgf("log stream: connection closed")
|
|
}()
|
|
|
|
go func() {
|
|
err := server.Config.Services.Logs.Tail(ctx, step.ID, func(entries ...*model.LogEntry) {
|
|
for _, entry := range entries {
|
|
select {
|
|
case <-ctx.Done():
|
|
return
|
|
default:
|
|
ee, _ := json.Marshal(entry)
|
|
logc <- ee
|
|
}
|
|
}
|
|
})
|
|
if err != nil {
|
|
log.Error().Err(err).Msg("tail of logs failed")
|
|
}
|
|
|
|
logWriteStringErr(io.WriteString(rw, "event: error\ndata: eof\n\n"))
|
|
|
|
cancel(err)
|
|
}()
|
|
|
|
id := 1
|
|
last, _ := strconv.Atoi(
|
|
c.Request.Header.Get("Last-Event-ID"),
|
|
)
|
|
if last != 0 {
|
|
log.Debug().Msgf("log stream: reconnect: last-event-id: %d", last)
|
|
}
|
|
|
|
// retry: 10000\n
|
|
|
|
for {
|
|
select {
|
|
// after 1 hour of idle (no response) end the stream.
|
|
// this is more of a safety mechanism than anything,
|
|
// and can be removed once the code is more mature.
|
|
case <-time.After(time.Hour):
|
|
return
|
|
case <-rw.CloseNotify():
|
|
return
|
|
case <-ctx.Done():
|
|
return
|
|
case <-time.After(time.Second * 30):
|
|
logWriteStringErr(io.WriteString(rw, ": ping\n\n"))
|
|
flusher.Flush()
|
|
case buf, ok := <-logc:
|
|
if ok {
|
|
if id > last {
|
|
logWriteStringErr(io.WriteString(rw, "id: "+strconv.Itoa(id)))
|
|
logWriteStringErr(io.WriteString(rw, "\n"))
|
|
logWriteStringErr(io.WriteString(rw, "data: "))
|
|
logWriteStringErr(rw.Write(buf))
|
|
logWriteStringErr(io.WriteString(rw, "\n\n"))
|
|
flusher.Flush()
|
|
}
|
|
id++
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func logWriteStringErr(_ int, err error) {
|
|
if err != nil {
|
|
log.Error().Err(err).Caller(1).Msg("fail to write string")
|
|
}
|
|
}
|