ytsync/util/util.go
Niko Storni 070287716b switch from env vars to a config file
get rid of stupid stuff
simplify S3 configuration
split wallets from blockchain.db and use separate S3 store
fix bugs
2021-11-24 05:54:08 +01:00

422 lines
8.7 KiB
Go

package util
import (
"context"
"os"
"os/exec"
"os/user"
"path/filepath"
"strconv"
"time"
"github.com/lbryio/lbry.go/v2/extras/errors"
"github.com/lbryio/lbry.go/v2/lbrycrd"
"github.com/lbryio/ytsync/v5/configs"
"github.com/lbryio/ytsync/v5/timing"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/filters"
"github.com/docker/docker/client"
"github.com/mitchellh/go-ps"
log "github.com/sirupsen/logrus"
)
func GetBlobsDir() string {
blobsDir := os.Getenv("BLOBS_DIRECTORY")
if blobsDir == "" {
usr, err := user.Current()
if err != nil {
log.Error(err.Error())
return ""
}
blobsDir = usr.HomeDir + "/.lbrynet/blobfiles/"
}
return blobsDir
}
func IsBlobReflectionOff() bool {
return os.Getenv("REFLECT_BLOBS") == "false"
}
func GetLBRYNetDir() string {
lbrynetDir := os.Getenv("LBRYNET_DIR")
if lbrynetDir == "" {
usr, err := user.Current()
if err != nil {
log.Errorln(err.Error())
return ""
}
return usr.HomeDir + "/.lbrynet/"
}
return lbrynetDir
}
func GetLbryumDir() string {
lbryumDir := os.Getenv("LBRYUM_DIR")
if lbryumDir == "" {
usr, err := user.Current()
if err != nil {
log.Errorln(err.Error())
return ""
}
return usr.HomeDir + "/.lbryum/"
}
return lbryumDir + "/"
}
const ALL = true
const ONLINE = false
func GetLBRYNetContainer(all bool) (*types.Container, error) {
return getDockerContainer("lbrynet", all)
}
func getDockerContainer(name string, all bool) (*types.Container, error) {
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
filters := filters.NewArgs()
filters.Add("name", name)
containers, err := cli.ContainerList(context.Background(), types.ContainerListOptions{All: all, Filters: filters})
if err != nil {
panic(err)
}
if len(containers) == 0 {
return nil, nil
}
if len(containers) > 1 {
return nil, errors.Err("more than one %s container found", name)
}
return &containers[0], nil
}
func IsUsingDocker() bool {
useDocker, err := strconv.ParseBool(os.Getenv("LBRYNET_USE_DOCKER"))
if err != nil {
return false
}
return useDocker
}
func IsRegTest() bool {
usesRegtest, err := strconv.ParseBool(os.Getenv("REGTEST"))
if err != nil {
return false
}
return usesRegtest
}
func GetLbrycrdClient(lbrycrdString string) (*lbrycrd.Client, error) {
chainName := os.Getenv("CHAINNAME")
chainParams, ok := lbrycrd.ChainParamsMap[chainName]
if !ok {
chainParams = lbrycrd.MainNetParams
}
var lbrycrdd *lbrycrd.Client
var err error
if lbrycrdString == "" {
lbrycrdd, err = lbrycrd.NewWithDefaultURL(&chainParams)
if err != nil {
return nil, err
}
} else {
lbrycrdd, err = lbrycrd.New(lbrycrdString, &chainParams)
if err != nil {
return nil, err
}
}
return lbrycrdd, nil
}
func ShouldCleanOnStartup() bool {
shouldClean, err := strconv.ParseBool(os.Getenv("CLEAN_ON_STARTUP"))
if err != nil {
return false
}
return shouldClean
}
func IsLbrynetRunning() (bool, error) {
if IsUsingDocker() {
container, err := GetLBRYNetContainer(ONLINE)
if err != nil {
return false, err
}
return container != nil, nil
}
processes, err := ps.Processes()
if err != nil {
return true, errors.Err(err)
}
var daemonProcessId = -1
for _, p := range processes {
if p.Executable() == "lbrynet" {
daemonProcessId = p.Pid()
break
}
}
running := daemonProcessId != -1
return running, nil
}
func CleanForStartup() error {
if !IsRegTest() {
return errors.Err("never cleanup wallet outside of regtest and with caution. this should only be done in local testing and requires regtest to be on")
}
running, err := IsLbrynetRunning()
if err != nil {
return err
}
if running {
err := StopDaemon()
if err != nil {
return err
}
}
err = CleanupLbrynet()
if err != nil {
return errors.Err(err)
}
lbrycrd, err := GetLbrycrdClient(configs.Configuration.LbrycrdString)
if err != nil {
return errors.Prefix("error getting lbrycrd client", err)
}
height, err := lbrycrd.GetBlockCount()
if err != nil {
return errors.Err(err)
}
const minBlocksForUTXO = 200
if height < minBlocksForUTXO {
//Start reg test with some credits
txs, err := lbrycrd.Generate(uint32(minBlocksForUTXO) - uint32(height))
if err != nil {
return errors.Err(err)
}
log.Debugf("REGTEST: Generated %d transactions to get some LBC!", len(txs))
}
defaultWalletDir := GetDefaultWalletPath()
_, err = os.Stat(defaultWalletDir)
if os.IsNotExist(err) {
return nil
}
return errors.Err(os.Remove(defaultWalletDir))
}
func CleanupLbrynet() error {
//make sure lbrynet is off
running, err := IsLbrynetRunning()
if err != nil {
return err
}
if running {
return errors.Prefix("cannot cleanup lbrynet as the daemon is running", err)
}
lbrynetDir := GetLBRYNetDir()
files, err := filepath.Glob(lbrynetDir + "lbrynet.sqlite*")
if err != nil {
return errors.Err(err)
}
for _, f := range files {
err = os.Remove(f)
if err != nil {
return errors.Err(err)
}
}
blobsDir := GetBlobsDir()
err = os.RemoveAll(blobsDir)
if err != nil {
return errors.Err(err)
}
err = os.Mkdir(blobsDir, 0777)
if err != nil {
return errors.Err(err)
}
lbryumDir := GetLbryumDir()
ledger := "lbc_mainnet"
if IsRegTest() {
ledger = "lbc_regtest"
}
lbryumDir = lbryumDir + ledger
files, err = filepath.Glob(lbryumDir + "/blockchain.db*")
if err != nil {
return errors.Err(err)
}
for _, f := range files {
err = os.Remove(f)
if err != nil {
return errors.Err(err)
}
}
return nil
}
var metadataDirInitialized = false
func GetVideoMetadataDir() string {
dir := "./videos_metadata"
if !metadataDirInitialized {
metadataDirInitialized = true
_ = os.MkdirAll(dir, 0755)
}
return dir
}
func CleanupMetadata() error {
dir := GetVideoMetadataDir()
err := os.RemoveAll(dir)
if err != nil {
return errors.Err(err)
}
metadataDirInitialized = false
return nil
}
func SleepUntilQuotaReset() {
PST, _ := time.LoadLocation("America/Los_Angeles")
t := time.Now().In(PST)
n := time.Date(t.Year(), t.Month(), t.Day(), 24, 2, 0, 0, PST)
d := n.Sub(t)
if d < 0 {
n = n.Add(24 * time.Hour)
d = n.Sub(t)
}
log.Infof("gotta sleep %s until the quota resets", d.String())
time.Sleep(d)
}
func StartDaemon() error {
start := time.Now()
defer func(start time.Time) {
timing.TimedComponent("startDaemon").Add(time.Since(start))
}(start)
if IsUsingDocker() {
return startDaemonViaDocker()
}
return startDaemonViaSystemd()
}
func StopDaemon() error {
start := time.Now()
defer func(start time.Time) {
timing.TimedComponent("stopDaemon").Add(time.Since(start))
}(start)
if IsUsingDocker() {
return stopDaemonViaDocker()
}
return stopDaemonViaSystemd()
}
func startDaemonViaDocker() error {
container, err := GetLBRYNetContainer(true)
if err != nil {
return err
}
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
err = cli.ContainerStart(context.Background(), container.ID, types.ContainerStartOptions{})
if err != nil {
return errors.Err(err)
}
return nil
}
func stopDaemonViaDocker() error {
container, err := GetLBRYNetContainer(ONLINE)
if err != nil {
return err
}
cli, err := client.NewEnvClient()
if err != nil {
panic(err)
}
err = cli.ContainerStop(context.Background(), container.ID, nil)
if err != nil {
return errors.Err(err)
}
return nil
}
func startDaemonViaSystemd() error {
err := exec.Command("/usr/bin/sudo", "/bin/systemctl", "start", "lbrynet.service").Run()
if err != nil {
return errors.Err(err)
}
return nil
}
func stopDaemonViaSystemd() error {
err := exec.Command("/usr/bin/sudo", "/bin/systemctl", "stop", "lbrynet.service").Run()
if err != nil {
return errors.Err(err)
}
return nil
}
func GetDefaultWalletPath() string {
defaultWalletDir := os.Getenv("HOME") + "/.lbryum/wallets/default_wallet"
if IsRegTest() {
defaultWalletDir = os.Getenv("HOME") + "/.lbryum_regtest/wallets/default_wallet"
}
walletPath := os.Getenv("LBRYUM_DIR")
if walletPath != "" {
defaultWalletDir = walletPath + "/wallets/default_wallet"
}
return defaultWalletDir
}
func GetBlockchainDBPath() string {
lbryumDir := os.Getenv("LBRYUM_DIR")
if lbryumDir == "" {
if IsRegTest() {
lbryumDir = os.Getenv("HOME") + "/.lbryum_regtest"
} else {
lbryumDir = os.Getenv("HOME") + "/.lbryum"
}
}
defaultDB := lbryumDir + "/lbc_mainnet/blockchain.db"
if IsRegTest() {
defaultDB = lbryumDir + "/lbc_regtest/blockchain.db"
}
return defaultDB
}
func GetBlockchainDirectoryName() string {
ledger := "lbc_mainnet"
if IsRegTest() {
ledger = "lbc_regtest"
}
return ledger
}
func DirSize(path string) (int64, error) {
var size int64
err := filepath.Walk(path, func(_ string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if !info.IsDir() {
size += info.Size()
}
return err
})
return size, err
}