Add maintaining log in scheduled mode

go.mod

@@ -5,6 +5,10 @@ go 1.21.0
 require github.com/spf13/pflag v1.0.5
 
 require (
+	github.com/hpcloud/tail v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/spf13/cobra v1.8.0 // indirect
+	golang.org/x/sys v0.22.0 // indirect
+	gopkg.in/fsnotify.v1 v1.4.7 // indirect
+	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 )

go.sum

@@ -1,4 +1,6 @@
 github.com/cpuguy83/go-md2man/v2 v2.0.3/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
+github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/inconshreveable/mousetrap v1.1.0 h1:wN+x4NVGpMsO7ErUn/mUI3vEoE6Jt13X2s0bqwp9tc8=
 github.com/inconshreveable/mousetrap v1.1.0/go.mod h1:vpF70FUmC8bwa3OWnCshd2FqLfsEA9PFc4w1p2J65bw=
 github.com/russross/blackfriday/v2 v2.1.0/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM=
@@ -6,5 +8,11 @@ github.com/spf13/cobra v1.8.0 h1:7aJaZx1B85qltLMc546zn58BxxfZdR/W22ej9CFoEf0=
 github.com/spf13/cobra v1.8.0/go.mod h1:WXLWApfZ71AjXPya3WOlMsY9yMs7YeiHhFVlvLyhcho=
 github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
+golang.org/x/sys v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
+gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
+gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

pkg/backup.go

@@ -6,6 +6,7 @@ package pkg
 
 import (
 	"fmt"
+	"github.com/hpcloud/tail"
 	"github.com/jkaninda/mysql-bkup/utils"
 	"github.com/spf13/cobra"
 	"log"
@@ -56,7 +57,6 @@ func scheduledMode() {
 	fmt.Println("     Starting MySQL Bkup...       ")
 	fmt.Println("***********************************")
 	utils.Info("Running in Scheduled mode")
-	utils.Info("Log file in /var/log/mysql-bkup.log")
 	utils.Info("Execution period ", os.Getenv("SCHEDULE_PERIOD"))
 
 	//Test database connexion
@@ -65,10 +65,33 @@ func scheduledMode() {
 	utils.Info("Creating backup job...")
 	CreateCrontabScript(disableCompression, storage)
 
+	supervisorConfig := "/etc/supervisor/supervisord.conf"
+
 	// Start Supervisor
-	supervisordCmd := exec.Command("supervisord", "-c", "/etc/supervisor/supervisord.conf")
-	if err := supervisordCmd.Run(); err != nil {
-		utils.Fatalf("Error starting supervisord: %v\n", err)
+	cmd := exec.Command("supervisord", "-c", supervisorConfig)
+	err := cmd.Start()
+	if err != nil {
+		utils.Fatal("Failed to start supervisord: %v", err)
+	}
+	utils.Info("Starting backup job...")
+	defer func() {
+		if err := cmd.Process.Kill(); err != nil {
+			utils.Info("Failed to kill supervisord process: %v", err)
+		} else {
+			utils.Info("Supervisor stopped.")
+		}
+	}()
+	if _, err := os.Stat(cronLogFile); os.IsNotExist(err) {
+		utils.Fatal("Log file %s does not exist.", cronLogFile)
+	}
+	t, err := tail.TailFile(cronLogFile, tail.Config{Follow: true})
+	if err != nil {
+		utils.Fatalf("Failed to tail file: %v", err)
+	}
+
+	// Read and print new lines from the log file
+	for line := range t.Lines {
+		fmt.Println(line.Text)
 	}
 }
 

pkg/scripts.go

@@ -11,9 +11,6 @@ import (
 	"os/exec"
 )
 
-const cronLogFile = "/var/log/mysql-bkup.log"
-const backupCronFile = "/usr/local/bin/backup_cron.sh"
-
 func CreateCrontabScript(disableCompression bool, storage string) {
 	//task := "/usr/local/bin/backup_cron.sh"
 	touchCmd := exec.Command("touch", backupCronFile)
@@ -54,6 +51,11 @@ bkup backup --dbname %s --port %s %v
 
 	}
 
+	touchLogCmd := exec.Command("touch", cronLogFile)
+	if err := touchLogCmd.Run(); err != nil {
+		utils.Fatalf("Error creating file %s: %v\n", cronLogFile, err)
+	}
+
 	cronJob := "/etc/cron.d/backup_cron"
 	touchCronCmd := exec.Command("touch", cronJob)
 	if err := touchCronCmd.Run(); err != nil {

pkg/var.go

@@ -2,6 +2,8 @@ package pkg
 
 const s3MountPath string = "/s3mnt"
 const s3fsPasswdFile string = "/etc/passwd-s3fs"
+const cronLogFile = "/var/log/mysql-bkup.log"
+const backupCronFile = "/usr/local/bin/backup_cron.sh"
 
 var (
 	storage            = "local"