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i made a huge mess. sorry future me, when you're digging through this

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This commit is contained in:
Alex Grintsvayg 2020-07-28 21:34:08 -04:00
parent a3dd3dc626
commit 0eef62b5fd
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GPG key ID: AEB3F089F86A22B5
7 changed files with 179 additions and 69 deletions
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145
downloader/downloader.go
View file

@ -5,6 +5,7 @@ import (
"fmt"
"io"
"io/ioutil"
"net"
"net/http"
"net/url"
"os/exec"
@ -15,14 +16,15 @@ import (
"github.com/lbryio/ytsync/v5/downloader/ytdl"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/extras/stop"
"github.com/lbryio/lbry.go/v2/extras/util"
"github.com/sirupsen/logrus"
)
func GetPlaylistVideoIDs(channelName string, maxVideos int) ([]string, error) {
func GetPlaylistVideoIDs(channelName string, maxVideos int, stopChan stop.Chan) ([]string, error) {
args := []string{"--skip-download", "https://www.youtube.com/channel/" + channelName, "--get-id", "--flat-playlist"}
ids, err := run(args, false, true)
ids, err := run(args, false, true, stopChan)
if err != nil {
return nil, errors.Err(err)
}
@ -36,48 +38,51 @@ func GetPlaylistVideoIDs(channelName string, maxVideos int) ([]string, error) {
return videoIDs, nil
}
func GetVideoInformation(videoID string) (*ytdl.YtdlVideo, error) {
//args := []string{"--skip-download", "--print-json", "https://www.youtube.com/watch?v=" + videoID}
//results, err := run(args, false, true)
//if err != nil {
// return nil, errors.Err(err)
//}
func GetVideoInformation(videoID string, stopChan stop.Chan, ip *net.TCPAddr) (*ytdl.YtdlVideo, error) {
args := []string{"--skip-download", "--print-json", "https://www.youtube.com/watch?v=" + videoID}
results, err := run(args, false, true, stopChan)
if err != nil {
return nil, errors.Err(err)
}
var video *ytdl.YtdlVideo
//err = json.Unmarshal([]byte(results[0]), &video)
//if err != nil {
// return nil, errors.Err(err)
//}
video = &ytdl.YtdlVideo{}
err = json.Unmarshal([]byte(results[0]), &video)
if err != nil {
return nil, errors.Err(err)
}
// now get an accurate time
const maxTries = 5
tries := 0
GetTime:
tries++
t, err := getUploadTime(videoID)
t, err := getUploadTime(videoID, ip)
if err != nil {
slack(":warning: Upload time error: %v", err)
//slack(":warning: Upload time error: %v", err)
if tries <= maxTries && (errors.Is(err, errNotScraped) || errors.Is(err, errUploadTimeEmpty)) {
triggerScrape(videoID)
time.Sleep(2 * time.Second) // let them scrape it
goto GetTime
err := triggerScrape(videoID, ip)
if err == nil {
time.Sleep(2 * time.Second) // let them scrape it
goto GetTime
} else {
//slack("triggering scrape returned error: %v", err)
}
} else if !errors.Is(err, errNotScraped) && !errors.Is(err, errUploadTimeEmpty) {
slack(":warning: Error while trying to get accurate upload time for %s: %v", videoID, err)
//slack(":warning: Error while trying to get accurate upload time for %s: %v", videoID, err)
return nil, errors.Err(err)
}
// do fallback below
}
slack("After all that, upload time for %s is %s", videoID, t)
//slack("After all that, upload time for %s is %s", videoID, t)
if t != "" {
parsed, err := time.Parse("2006-01-02, 15:04:05 (MST)", t) // this will probably be UTC, but Go's timezone parsing is fucked up. it ignores the timezone in the date
if err != nil {
return nil, errors.Err(err)
}
slack(":exclamation: Got an accurate time for %s", videoID)
video.UploadDateForReal = parsed
} else {
slack(":warning: Could not get accurate time for %s. Falling back to estimated time.", videoID)
//slack(":warning: Could not get accurate time for %s. Falling back to time from upload ytdl: %s.", videoID, video.UploadDate)
// fall back to UploadDate from youtube-dl
video.UploadDateForReal, err = time.Parse("20060102", video.UploadDate)
if err != nil {
@ -96,30 +101,62 @@ func slack(format string, a ...interface{}) {
util.SendToSlack(format, a...)
}
func triggerScrape(videoID string) error {
slack("Triggering scrape for %s", videoID)
func triggerScrape(videoID string, ip *net.TCPAddr) error {
//slack("Triggering scrape for %s", videoID)
u, err := url.Parse("https://caa.iti.gr/verify_videoV3")
q := u.Query()
q.Set("twtimeline", "0")
q.Set("url", "https://www.youtube.com/watch?v="+videoID)
u.RawQuery = q.Encode()
slack("GET %s", u.String())
res, err := http.Get(u.String())
//slack("GET %s", u.String())
client := getClient(ip)
req, err := http.NewRequest(http.MethodGet, u.String(), nil)
if err != nil {
return errors.Err(err)
}
req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36")
res, err := client.Do(req)
if err != nil {
return errors.Err(err)
}
defer res.Body.Close()
all, err := ioutil.ReadAll(res.Body)
spew.Dump(string(all), err)
var response struct {
Message string `json:"message"`
Status string `json:"status"`
VideoURL string `json:"video_url"`
}
err = json.NewDecoder(res.Body).Decode(&response)
if err != nil {
return errors.Err(err)
}
switch response.Status {
case "removed_video":
return errors.Err("video previously removed from service")
case "no_video":
return errors.Err("they say 'video cannot be found'. wtf?")
default:
spew.Dump(response)
}
return nil
//https://caa.iti.gr/caa/api/v4/videos/reports/h-tuxHS5lSM
}
func getUploadTime(videoID string) (string, error) {
slack("Getting upload time for %s", videoID)
res, err := http.Get("https://caa.iti.gr/get_verificationV3?url=https://www.youtube.com/watch?v=" + videoID)
func getUploadTime(videoID string, ip *net.TCPAddr) (string, error) {
//slack("Getting upload time for %s", videoID)
client := getClient(ip)
req, err := http.NewRequest(http.MethodGet, "https://caa.iti.gr/get_verificationV3?url=https://www.youtube.com/watch?v="+videoID, nil)
if err != nil {
return "", errors.Err(err)
}
req.Header.Set("User-Agent", "Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.90 Safari/537.36")
res, err := client.Do(req)
if err != nil {
return "", errors.Err(err)
}
@ -139,6 +176,10 @@ func getUploadTime(videoID string) (string, error) {
return "", errNotScraped
}
if uploadTime.Status == "" && strings.HasPrefix(uploadTime.Message, "CANNOT_RETRIEVE_REPORT_FOR_VIDEO_") {
return "", errors.Err("cannot retrieve report for video")
}
if uploadTime.Time == "" {
return "", errUploadTimeEmpty
}
@ -146,7 +187,28 @@ func getUploadTime(videoID string) (string, error) {
return uploadTime.Time, nil
}
func run(args []string, withStdErr, withStdOut bool) ([]string, error) {
func getClient(ip *net.TCPAddr) *http.Client {
if ip == nil {
return http.DefaultClient
}
return &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
DialContext: (&net.Dialer{
LocalAddr: ip,
Timeout: 30 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
MaxIdleConns: 100,
IdleConnTimeout: 90 * time.Second,
TLSHandshakeTimeout: 10 * time.Second,
ExpectContinueTimeout: 1 * time.Second,
},
}
}
func run(args []string, withStdErr, withStdOut bool, stopChan stop.Chan) ([]string, error) {
cmd := exec.Command("youtube-dl", args...)
logrus.Printf("Running command youtube-dl %s", strings.Join(args, " "))
@ -181,10 +243,23 @@ func run(args []string, withStdErr, withStdOut bool) ([]string, error) {
return nil, errors.Err(err)
}
}
err := cmd.Wait()
if len(errorLog) > 0 {
return nil, errors.Err(err)
done := make(chan error, 1)
go func() {
done <- cmd.Wait()
}()
select {
case <-stopChan:
if err := cmd.Process.Kill(); err != nil {
return nil, errors.Prefix("failed to kill command after stopper cancellation", err)
}
return nil, errors.Err("canceled by stopper")
case err := <-done:
if err != nil {
return nil, errors.Prefix("youtube-dl "+strings.Join(args, " "), err)
}
}
if len(errorLog) > 0 {
return nil, errors.Err(string(errorLog))
}

2
downloader/downloader_test.go
View file

@ -17,7 +17,7 @@ func TestGetPlaylistVideoIDs(t *testing.T) {
}
func TestGetVideoInformation(t *testing.T) {
video, err := GetVideoInformation("zj7pXM9gE5M")
video, err := GetVideoInformation("zj7pXM9gE5M", nil)
if err != nil {
logrus.Error(err)
}

36
ip_manager/throttle.go
View file

@ -63,21 +63,21 @@ func GetIPPool(stopGrp *stop.Group) (*IPPool, error) {
lock: &sync.RWMutex{},
stopGrp: stopGrp,
}
ticker := time.NewTicker(10 * time.Second)
go func() {
for {
select {
case <-stopGrp.Ch():
return
case <-ticker.C:
ipPoolInstance.lock.RLock()
for _, ip := range ipPoolInstance.ips {
log.Debugf("IP: %s\tInUse: %t\tVideoID: %s\tThrottled: %t\tLastUse: %.1f", ip.IP, ip.InUse, ip.UsedForVideo, ip.Throttled, time.Since(ip.LastUse).Seconds())
}
ipPoolInstance.lock.RUnlock()
}
}
}()
//ticker := time.NewTicker(10 * time.Second)
//go func() {
// for {
// select {
// case <-stopGrp.Ch():
// return
// case <-ticker.C:
// ipPoolInstance.lock.RLock()
// for _, ip := range ipPoolInstance.ips {
// log.Debugf("IP: %s\tInUse: %t\tVideoID: %s\tThrottled: %t\tLastUse: %.1f", ip.IP, ip.InUse, ip.UsedForVideo, ip.Throttled, time.Since(ip.LastUse).Seconds())
// }
// ipPoolInstance.lock.RUnlock()
// }
// }
//}()
return ipPoolInstance, nil
}
@ -108,7 +108,7 @@ func AllInUse(ips []throttledIP) bool {
func (i *IPPool) ReleaseIP(ip string) {
i.lock.Lock()
defer i.lock.Unlock()
for j, _ := range i.ips {
for j := range i.ips {
localIP := &i.ips[j]
if localIP.IP == ip {
localIP.InUse = false
@ -122,7 +122,7 @@ func (i *IPPool) ReleaseIP(ip string) {
func (i *IPPool) ReleaseAll() {
i.lock.Lock()
defer i.lock.Unlock()
for j, _ := range i.ips {
for j := range i.ips {
if i.ips[j].Throttled {
continue
}
@ -183,7 +183,7 @@ func (i *IPPool) nextIP(forVideo string) (*throttledIP, error) {
}
var nextIP *throttledIP
for j, _ := range i.ips {
for j := range i.ips {
ip := &i.ips[j]
if ip.InUse || ip.Throttled {
continue

21
main.go
View file

@ -7,10 +7,8 @@ import (
"os"
"time"
"github.com/davecgh/go-spew/spew"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/extras/util"
"github.com/lbryio/ytsync/v5/downloader"
"github.com/lbryio/ytsync/v5/manager"
"github.com/lbryio/ytsync/v5/sdk"
ytUtils "github.com/lbryio/ytsync/v5/util"
@ -40,8 +38,23 @@ var (
)
func main() {
spew.Dump(downloader.GetVideoInformation("oahaMa3XB0k"))
return
//grp := stop.New()
//ipPool, err := ip_manager.GetIPPool(grp)
//if err != nil {
// panic(err)
//}
//
//videoID := "vtIzMaLkCaM"
//
//ip, err := ipPool.GetIP(videoID)
//if err != nil {
// panic(err)
//}
//
//spew.Dump(ip)
//
//spew.Dump(downloader.GetVideoInformation(videoID, &net.TCPAddr{IP: net.ParseIP(ip)}))
//return
rand.Seed(time.Now().UnixNano())
log.SetLevel(log.DebugLevel)

2
manager/manager.go
View file

@ -234,7 +234,7 @@ func (s *SyncManager) Start() error {
}
shouldNotCount = strings.Contains(err.Error(), "this youtube channel is being managed by another server")
if !shouldNotCount {
logUtils.SendInfoToSlack("A non fatal error was reported by the sync process. %s\nContinuing...", err.Error())
logUtils.SendInfoToSlack("A non fatal error was reported by the sync process.\n%s", errors.FullTrace(err))
}
}
err = blobs_reflector.ReflectAndClean()

12
manager/ytsync.go
View file

@ -253,6 +253,8 @@ func (s *Sync) FullCycle() (e error) {
util.SendToSlack("got interrupt, shutting down")
log.Println("Got interrupt signal, shutting down (if publishing, will shut down after current publish)")
s.grp.Stop()
time.Sleep(5 * time.Second)
debug.PrintStack() // so we can figure out what's not stopping
}()
err := s.setStatusSyncing()
if err != nil {
@ -854,6 +856,12 @@ func (s *Sync) startWorker(workerNum int) {
tryCount := 0
for {
select { // check again inside the loop so this dies faster
case <-s.grp.Ch():
log.Printf("Stopping worker %d", workerNum)
return
default:
}
tryCount++
err := s.processVideo(v)
@ -988,10 +996,10 @@ func (s *Sync) enqueueYoutubeVideos() error {
return err
}
videos, err := ytapi.GetVideosToSync(s.APIConfig.YoutubeAPIKey, s.YoutubeChannelID, s.syncedVideos, s.Manager.SyncFlags.QuickSync, s.Manager.videosLimit, ytapi.VideoParams{
videos, err := ytapi.GetVideosToSync(s.YoutubeChannelID, s.syncedVideos, s.Manager.SyncFlags.QuickSync, s.Manager.videosLimit, ytapi.VideoParams{
VideoDir: s.videoDirectory,
S3Config: s.Manager.GetS3AWSConfig(),
Grp: s.grp,
Stopper: s.grp,
IPPool: ipPool,
})
if err != nil {

30
ytapi/ytapi.go
View file

@ -45,19 +45,19 @@ func (a byPublishedAt) Less(i, j int) bool { return a[i].PublishedAt().Before(a[
type VideoParams struct {
VideoDir string
S3Config aws.Config
Grp *stop.Group
Stopper *stop.Group
IPPool *ip_manager.IPPool
}
var mostRecentlyFailedChannel string // TODO: fix this hack!
func GetVideosToSync(apiKey, channelID string, syncedVideos map[string]sdk.SyncedVideo, quickSync bool, maxVideos int, videoParams VideoParams) ([]Video, error) {
func GetVideosToSync(channelID string, syncedVideos map[string]sdk.SyncedVideo, quickSync bool, maxVideos int, videoParams VideoParams) ([]Video, error) {
var videos []Video
if quickSync {
maxVideos = 50
}
videoIDs, err := downloader.GetPlaylistVideoIDs(channelID, maxVideos)
videoIDs, err := downloader.GetPlaylistVideoIDs(channelID, maxVideos, videoParams.Stopper.Ch())
if err != nil {
return nil, errors.Err(err)
}
@ -76,14 +76,14 @@ func GetVideosToSync(apiKey, channelID string, syncedVideos map[string]sdk.Synce
mostRecentlyFailedChannel = channelID
}
vids, err := getVideos(videoIDs)
vids, err := getVideos(videoIDs, videoParams.Stopper.Ch(), videoParams.IPPool)
if err != nil {
return nil, err
}
for _, item := range vids {
positionInList := playlistMap[item.ID]
videoToAdd, err := sources.NewYoutubeVideo(videoParams.VideoDir, item, positionInList, videoParams.S3Config, videoParams.Grp, videoParams.IPPool)
videoToAdd, err := sources.NewYoutubeVideo(videoParams.VideoDir, item, positionInList, videoParams.S3Config, videoParams.Stopper, videoParams.IPPool)
if err != nil {
return nil, errors.Err(err)
}
@ -95,7 +95,7 @@ func GetVideosToSync(apiKey, channelID string, syncedVideos map[string]sdk.Synce
continue
}
if _, ok := playlistMap[k]; !ok {
videos = append(videos, sources.NewMockedVideo(videoParams.VideoDir, k, channelID, videoParams.S3Config, videoParams.Grp, videoParams.IPPool))
videos = append(videos, sources.NewMockedVideo(videoParams.VideoDir, k, channelID, videoParams.S3Config, videoParams.Stopper, videoParams.IPPool))
}
}
@ -143,6 +143,7 @@ func CountVideosInChannel(channelID string) (int, error) {
func ChannelInfo(apiKey, channelID string) (*ytlib.ChannelSnippet, *ytlib.ChannelBrandingSettings, error) {
return nil, nil, errors.Err("ChannelInfo doesn't work yet because we're focused on existing channels")
service, err := ytlib.New(&http.Client{Transport: &transport.APIKey{Key: apiKey}})
if err != nil {
return nil, nil, errors.Prefix("error creating YouTube service", err)
@ -160,14 +161,27 @@ func ChannelInfo(apiKey, channelID string) (*ytlib.ChannelSnippet, *ytlib.Channe
return response.Items[0].Snippet, response.Items[0].BrandingSettings, nil
}
func getVideos(videoIDs []string) ([]*ytdl.YtdlVideo, error) {
func getVideos(videoIDs []string, stopChan stop.Chan, ipPool *ip_manager.IPPool) ([]*ytdl.YtdlVideo, error) {
var videos []*ytdl.YtdlVideo
for _, videoID := range videoIDs {
video, err := downloader.GetVideoInformation(videoID)
select {
case <-stopChan:
return videos, errors.Err("canceled by stopper")
default:
}
//ip, err := ipPool.GetIP(videoID)
//if err != nil {
// return nil, err
//}
//video, err := downloader.GetVideoInformation(videoID, &net.TCPAddr{IP: net.ParseIP(ip)})
video, err := downloader.GetVideoInformation(videoID, stopChan, nil)
if err != nil {
//ipPool.ReleaseIP(ip)
return nil, errors.Err(err)
}
videos = append(videos, video)
//ipPool.ReleaseIP(ip)
}
return videos, nil
}