9845ac1181
reinstate redis db to detect inconsistencies
317 lines
9.1 KiB
Go
317 lines
9.1 KiB
Go
package ytsync
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"net/http"
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"net/url"
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"strconv"
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"time"
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"syscall"
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"github.com/lbryio/lbry.go/errors"
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"github.com/lbryio/lbry.go/null"
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"github.com/lbryio/lbry.go/util"
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log "github.com/sirupsen/logrus"
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)
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type SyncManager struct {
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StopOnError bool
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MaxTries int
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TakeOverExistingChannel bool
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Refill int
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Limit int
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SkipSpaceCheck bool
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SyncUpdate bool
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SyncStatus string
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SyncFrom int64
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SyncUntil int64
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ConcurrentJobs int
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ConcurrentVideos int
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HostName string
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YoutubeChannelID string
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YoutubeAPIKey string
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ApiURL string
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ApiToken string
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BlobsDir string
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VideosLimit int
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MaxVideoSize int
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}
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const (
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StatusPending = "pending" // waiting for permission to sync
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StatusQueued = "queued" // in sync queue. will be synced soon
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StatusSyncing = "syncing" // syncing now
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StatusSynced = "synced" // done
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StatusFailed = "failed"
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StatusFinalized = "finalized" // no more changes allowed
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)
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var SyncStatuses = []string{StatusPending, StatusQueued, StatusSyncing, StatusSynced, StatusFailed, StatusFinalized}
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type apiJobsResponse struct {
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Success bool `json:"success"`
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Error null.String `json:"error"`
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Data []apiYoutubeChannel `json:"data"`
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}
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type apiYoutubeChannel struct {
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ChannelId string `json:"channel_id"`
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TotalVideos uint `json:"total_videos"`
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DesiredChannelName string `json:"desired_channel_name"`
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SyncServer null.String `json:"sync_server"`
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}
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func (s SyncManager) fetchChannels(status string) ([]apiYoutubeChannel, error) {
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endpoint := s.ApiURL + "/yt/jobs"
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res, _ := http.PostForm(endpoint, url.Values{
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"auth_token": {s.ApiToken},
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"sync_status": {status},
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"min_videos": {strconv.Itoa(1)},
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"after": {strconv.Itoa(int(s.SyncFrom))},
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"before": {strconv.Itoa(int(s.SyncUntil))},
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//"sync_server": {s.HostName},
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"channel_id": {s.YoutubeChannelID},
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})
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defer res.Body.Close()
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body, _ := ioutil.ReadAll(res.Body)
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var response apiJobsResponse
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err := json.Unmarshal(body, &response)
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if err != nil {
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return nil, err
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}
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if response.Data == nil {
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return nil, errors.Err(response.Error)
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}
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log.Printf("Fetched channels: %d", len(response.Data))
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return response.Data, nil
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}
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type apiChannelStatusResponse struct {
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Success bool `json:"success"`
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Error null.String `json:"error"`
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Data []syncedVideo `json:"data"`
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}
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type syncedVideo struct {
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VideoID string `json:"video_id"`
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Published bool `json:"published"`
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FailureReason string `json:"failure_reason"`
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}
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func (s SyncManager) setChannelStatus(channelID string, status string) (map[string]syncedVideo, error) {
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endpoint := s.ApiURL + "/yt/channel_status"
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res, _ := http.PostForm(endpoint, url.Values{
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"channel_id": {channelID},
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"sync_server": {s.HostName},
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"auth_token": {s.ApiToken},
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"sync_status": {status},
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})
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defer res.Body.Close()
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body, _ := ioutil.ReadAll(res.Body)
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var response apiChannelStatusResponse
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err := json.Unmarshal(body, &response)
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if err != nil {
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return nil, err
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}
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if !response.Error.IsNull() {
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return nil, errors.Err(response.Error.String)
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}
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if response.Data != nil {
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if len(response.Data) == 0 {
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return nil, nil
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}
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svs := make(map[string]syncedVideo)
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for _, v := range response.Data {
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svs[v.VideoID] = v
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}
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return svs, nil
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}
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return nil, errors.Err("invalid API response. Status code: %d", res.StatusCode)
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}
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const (
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VideoStatusPublished = "published"
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VideoStatusFailed = "failed"
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)
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type apiVideoStatusResponse struct {
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Success bool `json:"success"`
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Error null.String `json:"error"`
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Data null.String `json:"data"`
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}
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func (s SyncManager) MarkVideoStatus(channelID string, videoID string, status string, claimID string, claimName string, failureReason string) error {
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endpoint := s.ApiURL + "/yt/video_status"
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vals := url.Values{
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"youtube_channel_id": {channelID},
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"video_id": {videoID},
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"status": {status},
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"auth_token": {s.ApiToken},
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}
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if status == VideoStatusPublished {
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if claimID == "" || claimName == "" {
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return errors.Err("claimID or claimName missing")
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}
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vals.Add("published_at", strconv.FormatInt(time.Now().Unix(), 10))
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vals.Add("claim_id", claimID)
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vals.Add("claim_name", claimName)
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}
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if failureReason != "" {
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vals.Add("failure_reason", failureReason)
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}
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res, _ := http.PostForm(endpoint, vals)
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defer res.Body.Close()
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body, _ := ioutil.ReadAll(res.Body)
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var response apiVideoStatusResponse
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err := json.Unmarshal(body, &response)
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if err != nil {
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return err
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}
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if !response.Error.IsNull() {
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return errors.Err(response.Error.String)
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}
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if !response.Data.IsNull() && response.Data.String == "ok" {
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return nil
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}
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return errors.Err("invalid API response. Status code: %d", res.StatusCode)
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}
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func (s SyncManager) Start() error {
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syncCount := 0
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for {
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err := s.checkUsedSpace()
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if err != nil {
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return err
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}
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var syncs []Sync
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shouldInterruptLoop := false
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isSingleChannelSync := s.YoutubeChannelID != ""
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if isSingleChannelSync {
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channels, err := s.fetchChannels("")
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if err != nil {
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return err
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}
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if len(channels) != 1 {
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return errors.Err("Expected 1 channel, %d returned", len(channels))
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}
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lbryChannelName := channels[0].DesiredChannelName
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if !s.isWorthProcessing(channels[0]) {
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break
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}
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syncs = make([]Sync, 1)
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syncs[0] = Sync{
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YoutubeAPIKey: s.YoutubeAPIKey,
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YoutubeChannelID: s.YoutubeChannelID,
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LbryChannelName: lbryChannelName,
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StopOnError: s.StopOnError,
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MaxTries: s.MaxTries,
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ConcurrentVideos: s.ConcurrentVideos,
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TakeOverExistingChannel: s.TakeOverExistingChannel,
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Refill: s.Refill,
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Manager: &s,
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}
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shouldInterruptLoop = true
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} else {
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var queuesToSync []string
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if s.SyncStatus != "" {
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queuesToSync = append(queuesToSync, s.SyncStatus)
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} else if s.SyncUpdate {
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queuesToSync = append(queuesToSync, StatusSyncing, StatusSynced)
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} else {
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queuesToSync = append(queuesToSync, StatusSyncing, StatusQueued)
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}
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for _, q := range queuesToSync {
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channels, err := s.fetchChannels(q)
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if err != nil {
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return err
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}
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for _, c := range channels {
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if !s.isWorthProcessing(c) {
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continue
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}
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syncs = append(syncs, Sync{
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YoutubeAPIKey: s.YoutubeAPIKey,
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YoutubeChannelID: c.ChannelId,
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LbryChannelName: c.DesiredChannelName,
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StopOnError: s.StopOnError,
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MaxTries: s.MaxTries,
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ConcurrentVideos: s.ConcurrentVideos,
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TakeOverExistingChannel: s.TakeOverExistingChannel,
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Refill: s.Refill,
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Manager: &s,
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})
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}
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}
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}
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if len(syncs) == 0 {
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log.Infoln("No channels to sync. Pausing 5 minutes!")
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time.Sleep(5 * time.Minute)
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}
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for i, sync := range syncs {
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SendInfoToSlack("Syncing %s to LBRY! (iteration %d/%d - total session iterations: %d)", sync.LbryChannelName, i, len(syncs), syncCount)
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err := sync.FullCycle()
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if err != nil {
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fatalErrors := []string{
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"default_wallet already exists",
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"WALLET HAS NOT BEEN MOVED TO THE WALLET BACKUP DIR",
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"NotEnoughFunds",
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"no space left on device",
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}
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if util.SubstringInSlice(err.Error(), fatalErrors) {
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return errors.Prefix("@Nikooo777 this requires manual intervention! Exiting...", err)
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}
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SendInfoToSlack("A non fatal error was reported by the sync process. %s\nContinuing...", err.Error())
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}
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SendInfoToSlack("Syncing %s reached an end. (Iteration %d/%d - total session iterations: %d))", sync.LbryChannelName, i, len(syncs), syncCount)
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syncCount++
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if sync.IsInterrupted() || (s.Limit != 0 && syncCount >= s.Limit) {
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shouldInterruptLoop = true
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break
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}
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}
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if shouldInterruptLoop {
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break
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}
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}
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return nil
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}
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func (s SyncManager) isWorthProcessing(channel apiYoutubeChannel) bool {
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return channel.TotalVideos > 0 && (channel.SyncServer.IsNull() || channel.SyncServer.String == s.HostName)
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}
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func (s SyncManager) checkUsedSpace() error {
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usedPctile, err := GetUsedSpace(s.BlobsDir)
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if err != nil {
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return err
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}
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if usedPctile >= 0.90 && !s.SkipSpaceCheck {
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return errors.Err(fmt.Sprintf("more than 90%% of the space has been used. use --skip-space-check to ignore. Used: %.1f%%", usedPctile*100))
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}
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SendInfoToSlack("disk usage: %.1f%%", usedPctile*100)
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return nil
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}
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// GetUsedSpace returns a value between 0 and 1, with 0 being completely empty and 1 being full, for the disk that holds the provided path
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func GetUsedSpace(path string) (float32, error) {
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var stat syscall.Statfs_t
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err := syscall.Statfs(path, &stat)
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if err != nil {
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return 0, err
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}
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// Available blocks * size per block = available space in bytes
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all := stat.Blocks * uint64(stat.Bsize)
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free := stat.Bfree * uint64(stat.Bsize)
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used := all - free
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return float32(used) / float32(all), nil
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}
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