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1 | 1 | package main
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2 | 2 |
|
3 | 3 | import (
|
4 |
| - "context" |
5 |
| - "net" |
6 |
| - "net/http" |
7 |
| - "os" |
8 |
| - "os/signal" |
9 |
| - "syscall" |
10 |
| - "time" |
11 |
| - |
12 |
| - "github.com/sirupsen/logrus" |
13 |
| - |
14 |
| - "github.com/fagossa/golang-rest-api/internal/routes" |
15 |
| - "github.com/fagossa/golang-rest-api/internal/version" |
| 4 | + "context" |
| 5 | + "net" |
| 6 | + "net/http" |
| 7 | + "os" |
| 8 | + "os/signal" |
| 9 | + "syscall" |
| 10 | + "time" |
| 11 | + |
| 12 | + "github.com/sirupsen/logrus" |
| 13 | + |
| 14 | + "github.com/GolangParis/veligroxy/internal/routes" |
| 15 | + "github.com/GolangParis/veligroxy/internal/version" |
16 | 16 | )
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17 | 17 |
|
18 | 18 | func main() {
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19 |
| - logger := logrus.New().WithField("Version", version.Version).WithField("Commit", version.Commit) |
20 |
| - logger.Info("application is starting...") |
21 |
| - |
22 |
| - // reading ports |
23 |
| - port := os.Getenv("PORT") |
24 |
| - if port == "" { |
25 |
| - logger.Fatal("Running port is not specified") |
26 |
| - } |
27 |
| - diagPort := os.Getenv("DIAG_PORT") |
28 |
| - if diagPort == "" { |
29 |
| - logger.Fatal("Diagnostic port is not specified") |
30 |
| - } |
31 |
| - |
32 |
| - r := routes.BusinessRoutes() |
33 |
| - server := http.Server{ |
34 |
| - Addr: net.JoinHostPort("", port), |
35 |
| - Handler: r, |
36 |
| - } |
37 |
| - |
38 |
| - // diag routes |
39 |
| - diagRouter := routes.DiagnosticsRoutes() |
40 |
| - diag := http.Server{ |
41 |
| - Addr: net.JoinHostPort("", diagPort), |
42 |
| - Handler: diagRouter, |
43 |
| - } |
44 |
| - |
45 |
| - // error channel |
46 |
| - shutdown := make(chan error, 2) |
47 |
| - |
48 |
| - // async start |
49 |
| - go func() { |
50 |
| - logger.Info("Business server is preparing...") |
51 |
| - err := server.ListenAndServe() |
52 |
| - if err != nil && err != http.ErrServerClosed { |
53 |
| - shutdown <- err |
54 |
| - } |
55 |
| - }() |
56 |
| - |
57 |
| - go func() { |
58 |
| - logger.Info("Diagnostics server is preparing...") |
59 |
| - diag.ListenAndServe() |
60 |
| - err := server.ListenAndServe() |
61 |
| - if err != nil && err != http.ErrServerClosed { |
62 |
| - shutdown <- err |
63 |
| - } |
64 |
| - }() |
65 |
| - |
66 |
| - // graceful shutdown |
67 |
| - interrupt := make(chan os.Signal, 1) |
68 |
| - signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM) |
69 |
| - |
70 |
| - select { |
71 |
| - case x := <-interrupt: |
72 |
| - logger.Warnf("Received `%v`. Application stopped.", x) |
73 |
| - |
74 |
| - case err := <- shutdown: |
75 |
| - logger.Warnf("Received shudown message: `%v`", err) |
76 |
| - } |
77 |
| - |
78 |
| - timeout, cancelFunc := context.WithTimeout(context.Background(), 5*time.Second) |
79 |
| - defer cancelFunc() |
80 |
| - |
81 |
| - err := server.Shutdown(timeout) |
82 |
| - if err != nil { |
83 |
| - logger.Error(err) |
84 |
| - } |
85 |
| - |
86 |
| - errDiag := diag.Shutdown(timeout) |
87 |
| - if err != nil { |
88 |
| - logger.Error(errDiag) |
89 |
| - } |
| 19 | + logger := logrus.New().WithField("Version", version.Version).WithField("Commit", version.Commit) |
| 20 | + logger.Info("application is starting...") |
| 21 | + |
| 22 | + // reading ports |
| 23 | + port := os.Getenv("PORT") |
| 24 | + if port == "" { |
| 25 | + logger.Fatal("Running port is not specified") |
| 26 | + } |
| 27 | + diagPort := os.Getenv("DIAG_PORT") |
| 28 | + if diagPort == "" { |
| 29 | + logger.Fatal("Diagnostic port is not specified") |
| 30 | + } |
| 31 | + |
| 32 | + r := routes.BusinessRoutes() |
| 33 | + server := http.Server{ |
| 34 | + Addr: net.JoinHostPort("", port), |
| 35 | + Handler: r, |
| 36 | + } |
| 37 | + |
| 38 | + // diag routes |
| 39 | + diagRouter := routes.DiagnosticsRoutes() |
| 40 | + diag := http.Server{ |
| 41 | + Addr: net.JoinHostPort("", diagPort), |
| 42 | + Handler: diagRouter, |
| 43 | + } |
| 44 | + |
| 45 | + // error channel |
| 46 | + shutdown := make(chan error, 2) |
| 47 | + |
| 48 | + // async start |
| 49 | + go func() { |
| 50 | + logger.Info("Business server is preparing...") |
| 51 | + err := server.ListenAndServe() |
| 52 | + if err != nil && err != http.ErrServerClosed { |
| 53 | + shutdown <- err |
| 54 | + } |
| 55 | + }() |
| 56 | + |
| 57 | + go func() { |
| 58 | + logger.Info("Diagnostics server is preparing...") |
| 59 | + diag.ListenAndServe() |
| 60 | + err := server.ListenAndServe() |
| 61 | + if err != nil && err != http.ErrServerClosed { |
| 62 | + shutdown <- err |
| 63 | + } |
| 64 | + }() |
| 65 | + |
| 66 | + // graceful shutdown |
| 67 | + interrupt := make(chan os.Signal, 1) |
| 68 | + signal.Notify(interrupt, os.Interrupt, syscall.SIGTERM) |
| 69 | + |
| 70 | + select { |
| 71 | + case x := <-interrupt: |
| 72 | + logger.Warnf("Received `%v`. Application stopped.", x) |
| 73 | + |
| 74 | + case err := <-shutdown: |
| 75 | + logger.Warnf("Received shudown message: `%v`", err) |
| 76 | + } |
| 77 | + |
| 78 | + timeout, cancelFunc := context.WithTimeout(context.Background(), 5*time.Second) |
| 79 | + defer cancelFunc() |
| 80 | + |
| 81 | + err := server.Shutdown(timeout) |
| 82 | + if err != nil { |
| 83 | + logger.Error(err) |
| 84 | + } |
| 85 | + |
| 86 | + errDiag := diag.Shutdown(timeout) |
| 87 | + if err != nil { |
| 88 | + logger.Error(errDiag) |
| 89 | + } |
90 | 90 |
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91 | 91 | }
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