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alternative heartbeat implementation
This commit is contained in:
parent
18babf7f6c
commit
6f231ad51a
3 changed files with 51 additions and 4 deletions
1
go.mod
1
go.mod
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@ -5,4 +5,5 @@ go 1.20
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require (
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require (
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github.com/sirupsen/logrus v1.9.2 // indirect
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github.com/sirupsen/logrus v1.9.2 // indirect
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golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
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golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 // indirect
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golang.org/x/time v0.3.0 // indirect
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)
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)
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2
go.sum
2
go.sum
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@ -7,5 +7,7 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
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golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8 h1:0A+M6Uqn+Eje4kHMK80dtF3JCXC4ykBgQG4Fe06QRhQ=
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golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/time v0.3.0 h1:rg5rLMjNzMS1RkNLzCG38eapWhnYLFYXDXj2gOlr8j4=
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golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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52
main.go
52
main.go
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@ -1,6 +1,7 @@
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package main
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package main
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import (
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import (
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"context"
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"encoding/json"
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"encoding/json"
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"flag"
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"flag"
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"fmt"
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"fmt"
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@ -8,7 +9,9 @@ import (
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"log"
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"log"
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"net/http"
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"net/http"
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"os"
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"os"
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"os/signal"
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"path/filepath"
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"path/filepath"
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"syscall"
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"time"
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"time"
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"github.com/sirupsen/logrus"
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"github.com/sirupsen/logrus"
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@ -181,14 +184,27 @@ func main() {
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go func() {
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go func() {
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for range time.Tick(time.Duration(config.Heartbeat)) {
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for range time.Tick(time.Duration(config.Heartbeat)) {
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logger.Info("Server heartbeat")
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logger.Info("Server heartbeat")
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os.Exit(0)
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server := startServer(&config, logger)
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stopServer(server, logger)
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}
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}
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}()
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}()
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}
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}
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// Start the initial server
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server := startServer(&config, logger)
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// Wait for termination signal
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waitForTerminationSignal()
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// Stop the server before exiting
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stopServer(server, logger)
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}
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// startServer creates and starts the HTTP server
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func startServer(config *Config, logger *logrus.Logger) *http.Server {
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// Create a new CDNHandler with the configuration
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// Create a new CDNHandler with the configuration
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cdnHandler := &CDNHandler{
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cdnHandler := &CDNHandler{
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Config: config,
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Config: *config,
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Logger: logger,
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Logger: logger,
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}
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}
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@ -201,6 +217,34 @@ func main() {
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WriteTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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}
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}
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logger.Infof("Starting CDN server on port %s", config.Port)
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// Start the server in a separate goroutine
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log.Fatal(server.ListenAndServe())
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go func() {
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logger.Infof("Starting CDN server on port %s", config.Port)
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if err := server.ListenAndServe(); err != nil && err != http.ErrServerClosed {
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logger.Fatalf("Server error: %v", err)
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}
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}()
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return server
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}
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// stopServer stops the HTTP server
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func stopServer(server *http.Server, logger *logrus.Logger) {
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logger.Info("Stopping CDN server")
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// Set a deadline for gracefully shutting down the server
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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// Shut down the server with the given context
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if err := server.Shutdown(ctx); err != nil {
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logger.Errorf("Server shutdown error: %v", err)
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}
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}
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// waitForTerminationSignal waits for termination signals to gracefully shut down the server
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func waitForTerminationSignal() {
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, os.Interrupt, syscall.SIGTERM)
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<-quit
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}
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}
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