mirror of
https://github.com/TeamPiped/instances-api.git
synced 2024-08-14 23:57:19 +00:00
Merge pull request #44 from Bnyro/main
Parallel instance checks and improved error messages, code cleanup
This commit is contained in:
Kavin
GitHub
commit
bb978ea3a3
1 changed files with 192 additions and 114 deletions
306
main.go
306
main.go
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@ -3,7 +3,8 @@ package main
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import (
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"context"
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"encoding/json"
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"github.com/gofiber/fiber/v2"
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"errors"
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"fmt"
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"io"
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"log"
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"net/http"
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@ -11,8 +12,11 @@ import (
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"regexp"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/gofiber/fiber/v2"
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"github.com/gofiber/fiber/v2/middleware/cors"
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"github.com/gofiber/fiber/v2/middleware/etag"
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"github.com/google/go-github/v53/github"
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@ -40,6 +44,157 @@ type FrontendConfig struct {
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S3Enabled bool `json:"s3Enabled"`
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}
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var client = http.Client{
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Timeout: 10 * time.Second,
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}
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func testUrl(url string) (*http.Response, error) {
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resp, err := client.Get(url)
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if err != nil {
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return resp, err
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}
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if resp.StatusCode != 200 {
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return resp, errors.New(fmt.Sprintf("Invalid response code at %s: %d", url, resp.StatusCode))
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}
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return resp, err
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}
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func testCaching(ApiUrl string) (bool, error) {
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resp, err := testUrl(ApiUrl + "/trending?region=US")
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if err != nil {
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return false, err
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}
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oldTiming := resp.Header.Get("Server-Timing")
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resp, err = testUrl(ApiUrl + "/trending?region=US")
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if err != nil {
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return false, err
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}
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newTiming := resp.Header.Get("Server-Timing")
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cacheWorking := oldTiming == newTiming
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return cacheWorking, nil
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}
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func getConfig(ApiUrl string) (FrontendConfig, error) {
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resp, err := testUrl(ApiUrl + "/config")
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if err != nil {
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return FrontendConfig{}, err
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}
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bytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return FrontendConfig{}, err
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}
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var config FrontendConfig
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err = json.Unmarshal(bytes, &config)
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if err != nil {
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return FrontendConfig{}, err
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}
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return config, nil
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}
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func getInstanceDetails(split []string, latest string) (Instance, error) {
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ApiUrl := strings.TrimSpace(split[1])
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wg := sync.WaitGroup{}
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errorChannel := make(chan error)
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// the amount of tests to do
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wg.Add(6)
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var lastChecked int64
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var registered int64
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var config FrontendConfig
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var hash string
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var version string
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var cacheWorking bool
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go func() {
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wg.Wait()
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close(errorChannel)
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}()
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go func() {
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defer wg.Done()
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if _, err := testUrl(ApiUrl + "/healthcheck"); err != nil {
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errorChannel <- err
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return
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}
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lastChecked = time.Now().Unix()
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}()
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go func() {
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defer wg.Done()
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resp, err := testUrl(ApiUrl + "/registered/badge")
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if err != nil {
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errorChannel <- err
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return
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}
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registered, err = strconv.ParseInt(number_re.FindString(resp.Request.URL.Path), 10, 32)
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if err != nil {
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errorChannel <- err
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}
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}()
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go func() {
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defer wg.Done()
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resp, err := testUrl(ApiUrl + "/version")
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if err != nil {
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errorChannel <- err
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return
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}
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buf := new(strings.Builder)
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_, err = io.Copy(buf, resp.Body)
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if err != nil {
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errorChannel <- err
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return
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}
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version = strings.TrimSpace(buf.String())
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version_split := strings.Split(version, "-")
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hash = version_split[len(version_split)-1]
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}()
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go func() {
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defer wg.Done()
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var err error
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config, err = getConfig(ApiUrl)
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if err != nil {
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errorChannel <- err
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}
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}()
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go func() {
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defer wg.Done()
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var err error
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cacheWorking, err = testCaching(ApiUrl)
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if err != nil {
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errorChannel <- err
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}
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}()
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go func() {
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defer wg.Done()
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// check if instance can fetch videos
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if _, err := testUrl(ApiUrl + "/streams/jNQXAC9IVRw"); err != nil {
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errorChannel <- err
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}
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}()
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for err := range errorChannel {
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return Instance{}, err
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}
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return Instance{
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Name: strings.TrimSpace(split[0]),
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ApiUrl: ApiUrl,
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Locations: strings.TrimSpace(split[2]),
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Cdn: strings.TrimSpace(split[3]) == "Yes",
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Registered: int(registered),
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LastChecked: lastChecked,
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Version: version,
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UpToDate: strings.Contains(latest, hash),
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Cache: cacheWorking,
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S3Enabled: config.S3Enabled,
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}, nil
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}
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func monitorInstances() {
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ctx := context.Background()
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var tc *http.Client
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@ -76,7 +231,6 @@ func monitorInstances() {
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}
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if resp.StatusCode == 200 {
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// parse the response
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buf := new(strings.Builder)
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_, err := io.Copy(buf, resp.Body)
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@ -88,124 +242,45 @@ func monitorInstances() {
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lines := strings.Split(buf.String(), "\n")
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instances := []Instance{}
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instancesMap := make(map[int]Instance)
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wg := sync.WaitGroup{}
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skipped := 0
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checking := 0
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for _, line := range lines {
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split := strings.Split(line, "|")
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if len(split) >= 5 {
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if skipped < 2 {
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skipped++
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continue
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}
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ApiUrl := strings.TrimSpace(split[1])
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resp, err := http.Get(ApiUrl + "/healthcheck")
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if err != nil {
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if len(split) < 5 {
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continue
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}
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// skip first two table lines
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if skipped < 2 {
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skipped++
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continue
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}
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wg.Add(1)
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go func(i int, split []string) {
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defer wg.Done()
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instance, err := getInstanceDetails(split, latest)
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if err == nil {
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instancesMap[i] = instance
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} else {
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log.Print(err)
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continue
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}
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LastChecked := time.Now().Unix()
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if resp.StatusCode != 200 {
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continue
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}
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resp, err = http.Get(ApiUrl + "/registered/badge")
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if err != nil {
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log.Print(err)
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continue
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}
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registered, err := strconv.ParseInt(number_re.FindString(resp.Request.URL.Path), 10, 32)
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if err != nil {
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log.Print(err)
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continue
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}
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resp, err = http.Get(ApiUrl + "/version")
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if err != nil {
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log.Print(err)
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continue
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}
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if resp.StatusCode != 200 {
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continue
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}
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buf := new(strings.Builder)
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_, err = io.Copy(buf, resp.Body)
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if err != nil {
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log.Print(err)
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continue
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}
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version := strings.TrimSpace(buf.String())
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version_split := strings.Split(version, "-")
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hash := version_split[len(version_split)-1]
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resp, err = http.Get(ApiUrl + "/config")
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if err != nil {
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log.Print(err)
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continue
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}
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if resp.StatusCode != 200 {
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continue
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}
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bytes, err := io.ReadAll(resp.Body)
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if err != nil {
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log.Print(err)
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continue
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}
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var config FrontendConfig
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err = json.Unmarshal(bytes, &config)
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if err != nil {
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log.Print(err)
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continue
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}
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cache_working := false
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resp, err = http.Get(ApiUrl + "/trending?region=US")
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if err != nil {
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log.Print(err)
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continue
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}
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if resp.StatusCode == 200 {
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old_timing := resp.Header.Get("Server-Timing")
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resp, err = http.Get(ApiUrl + "/trending?region=US")
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if err != nil {
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log.Print(err)
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continue
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}
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if resp.StatusCode == 200 {
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new_timing := resp.Header.Get("Server-Timing")
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if old_timing == new_timing {
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cache_working = true
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}
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}
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}
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// check if instance can fetch videos
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resp, err = http.Get(ApiUrl + "/streams/jNQXAC9IVRw")
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if err != nil {
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log.Print(err)
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continue
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}
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if resp.StatusCode != 200 {
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continue
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}
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instances = append(instances, Instance{
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Name: strings.TrimSpace(split[0]),
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ApiUrl: ApiUrl,
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Locations: strings.TrimSpace(split[2]),
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Cdn: strings.TrimSpace(split[3]) == "Yes",
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Registered: int(registered),
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LastChecked: LastChecked,
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Version: version,
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UpToDate: strings.Contains(latest, hash),
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Cache: cache_working,
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S3Enabled: config.S3Enabled,
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})
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}(checking, split)
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checking++
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}
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wg.Wait()
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// Map to ordered array
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var instances []Instance
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for i := 0; i < checking; i++ {
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instance, ok := instancesMap[i]
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if ok {
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instances = append(instances, instance)
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}
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}
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@ -228,5 +303,8 @@ func main() {
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return c.JSON(monitored_instances)
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})
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app.Listen(":3000")
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err := app.Listen(":3000")
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if err != nil {
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panic(err)
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}
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}
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