274 lines
8.8 KiB
Go
274 lines
8.8 KiB
Go
package manager
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import (
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"fmt"
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"strings"
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"syscall"
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"time"
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"github.com/lbryio/ytsync/blobs_reflector"
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"github.com/lbryio/ytsync/namer"
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"github.com/lbryio/ytsync/sdk"
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logUtils "github.com/lbryio/ytsync/util"
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"github.com/lbryio/lbry.go/extras/errors"
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"github.com/lbryio/lbry.go/extras/util"
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"github.com/aws/aws-sdk-go/aws"
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"github.com/aws/aws-sdk-go/aws/credentials"
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log "github.com/sirupsen/logrus"
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)
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type SyncManager struct {
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SyncFlags sdk.SyncFlags
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maxTries int
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refill int
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limit int
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concurrentJobs int
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concurrentVideos int
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blobsDir string
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videosLimit int
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maxVideoSize int
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maxVideoLength float64
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lbrycrdString string
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awsS3ID string
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awsS3Secret string
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awsS3Region string
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syncStatus string
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awsS3Bucket string
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syncProperties *sdk.SyncProperties
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apiConfig *sdk.APIConfig
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}
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func NewSyncManager(syncFlags sdk.SyncFlags, maxTries int, refill int, limit int, concurrentJobs int, concurrentVideos int, blobsDir string, videosLimit int,
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maxVideoSize int, lbrycrdString string, awsS3ID string, awsS3Secret string, awsS3Region string, awsS3Bucket string,
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syncStatus string, syncProperties *sdk.SyncProperties, apiConfig *sdk.APIConfig, maxVideoLength float64) *SyncManager {
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return &SyncManager{
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SyncFlags: syncFlags,
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maxTries: maxTries,
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refill: refill,
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limit: limit,
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concurrentJobs: concurrentJobs,
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concurrentVideos: concurrentVideos,
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blobsDir: blobsDir,
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videosLimit: videosLimit,
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maxVideoSize: maxVideoSize,
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maxVideoLength: maxVideoLength,
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lbrycrdString: lbrycrdString,
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awsS3ID: awsS3ID,
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awsS3Secret: awsS3Secret,
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awsS3Region: awsS3Region,
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awsS3Bucket: awsS3Bucket,
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syncStatus: syncStatus,
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syncProperties: syncProperties,
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apiConfig: apiConfig,
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}
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}
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const (
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StatusPending = "pending" // waiting for permission to sync
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StatusPendingEmail = "pendingemail" // permission granted but missing email
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StatusQueued = "queued" // in sync queue. will be synced soon
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StatusPendingUpgrade = "pendingupgrade" // 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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StatusAbandoned = "abandoned" // deleted on youtube or banned
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)
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const LatestMetadataVersion = 2
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var SyncStatuses = []string{StatusPending, StatusPendingEmail, StatusPendingUpgrade, StatusQueued, StatusSyncing, StatusSynced, StatusFailed, StatusFinalized, StatusAbandoned}
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const (
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VideoStatusPublished = "published"
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VideoStatusFailed = "failed"
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VideoStatusUpgradeFailed = "upgradefailed"
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VideoStatusUnpublished = "unpublished"
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VideoStatusTranferFailed = "transferfailed"
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)
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const (
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TransferStateNotTouched = iota
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TransferStatePending
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TransferStateComplete
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TransferStateFailed = -1
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)
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func (s *SyncManager) Start() error {
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if logUtils.ShouldCleanOnStartup() {
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err := logUtils.CleanForStartup()
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if err != nil {
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return err
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}
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}
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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 errors.Err(err)
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}
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var syncs []Sync
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shouldInterruptLoop := false
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isSingleChannelSync := s.syncProperties.YoutubeChannelID != ""
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if isSingleChannelSync {
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channels, err := s.apiConfig.FetchChannels("", s.syncProperties)
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if err != nil {
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return errors.Err(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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syncs = make([]Sync, 1)
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syncs[0] = Sync{
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APIConfig: s.apiConfig,
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YoutubeChannelID: s.syncProperties.YoutubeChannelID,
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LbryChannelName: lbryChannelName,
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lbryChannelID: channels[0].ChannelClaimID,
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MaxTries: s.maxTries,
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ConcurrentVideos: s.concurrentVideos,
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Refill: s.refill,
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Manager: s,
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LbrycrdString: s.lbrycrdString,
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AwsS3ID: s.awsS3ID,
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AwsS3Secret: s.awsS3Secret,
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AwsS3Region: s.awsS3Region,
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AwsS3Bucket: s.awsS3Bucket,
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namer: namer.NewNamer(),
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Fee: channels[0].Fee,
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publishAddress: channels[0].PublishAddress,
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publicKey: channels[0].PublicKey,
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transferState: channels[0].TransferState,
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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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//TODO: implement scrambling to avoid starvation of queues
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if s.syncStatus != "" {
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queuesToSync = append(queuesToSync, s.syncStatus)
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} else if s.SyncFlags.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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queues:
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for _, q := range queuesToSync {
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//temporary override for sync-until to give tom the time to review the channels
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if q == StatusQueued {
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s.syncProperties.SyncUntil = time.Now().AddDate(0, 0, -1).Unix()
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}
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channels, err := s.apiConfig.FetchChannels(q, s.syncProperties)
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if err != nil {
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return err
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}
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for i, c := range channels {
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log.Infof("There are %d channels in the \"%s\" queue", len(channels)-i, q)
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syncs = append(syncs, Sync{
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APIConfig: s.apiConfig,
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YoutubeChannelID: c.ChannelId,
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LbryChannelName: c.DesiredChannelName,
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lbryChannelID: c.ChannelClaimID,
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MaxTries: s.maxTries,
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ConcurrentVideos: s.concurrentVideos,
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Refill: s.refill,
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Manager: s,
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LbrycrdString: s.lbrycrdString,
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AwsS3ID: s.awsS3ID,
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AwsS3Secret: s.awsS3Secret,
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AwsS3Region: s.awsS3Region,
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AwsS3Bucket: s.awsS3Bucket,
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namer: namer.NewNamer(),
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Fee: c.Fee,
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publishAddress: c.PublishAddress,
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publicKey: c.PublicKey,
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transferState: c.TransferState,
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})
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if q != StatusFailed {
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continue queues
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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 _, sync := range syncs {
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shouldNotCount := false
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logUtils.SendInfoToSlack("Syncing %s (%s) to LBRY! total processed channels since startup: %d", sync.LbryChannelName, sync.YoutubeChannelID, syncCount+1)
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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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"failure uploading wallet",
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"the channel in the wallet is different than the channel in the database",
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"this channel does not belong to this wallet!",
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"You already have a stream claim published under the name",
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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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shouldNotCount = strings.Contains(err.Error(), "this youtube channel is being managed by another server")
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if !shouldNotCount {
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logUtils.SendInfoToSlack("A non fatal error was reported by the sync process. %s\nContinuing...", err.Error())
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}
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}
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err = blobs_reflector.ReflectAndClean()
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if err != nil {
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return errors.Prefix("@Nikooo777 something went wrong while reflecting blobs", err)
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}
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logUtils.SendInfoToSlack("Syncing %s (%s) reached an end. total processed channels since startup: %d", sync.LbryChannelName, sync.YoutubeChannelID, syncCount+1)
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if !shouldNotCount {
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syncCount++
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}
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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 || s.SyncFlags.SingleRun {
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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) GetS3AWSConfig() aws.Config {
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return aws.Config{
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Credentials: credentials.NewStaticCredentials(s.awsS3ID, s.awsS3Secret, ""),
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Region: &s.awsS3Region,
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}
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}
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func (s *SyncManager) checkUsedSpace() error {
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usedPctile, err := GetUsedSpace(logUtils.GetBlobsDir())
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if err != nil {
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return errors.Err(err)
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}
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if usedPctile >= 0.90 && !s.SyncFlags.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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log.Infof("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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