jkaninda/mysql-bkup
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refactor: clean up project, delete unused files, variables

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This commit is contained in:
Jonas Kaninda
2024-09-28 08:01:33 +02:00
parent cbb73ae89b
commit b39e97b77d
4 changed files with 13 additions and 84 deletions
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6
docker/Dockerfile
View File

@@ -36,7 +36,7 @@ ENV TARGET_DB_NAME="localhost"
ENV TARGET_DB_USERNAME=""
ENV TARGET_DB_PASSWORD=""
ARG DEBIAN_FRONTEND=noninteractive
ENV VERSION="v1.2.7"
ENV VERSION="v1.2.8"
ENV BACKUP_CRON_EXPRESSION=""
ENV TG_TOKEN=""
ENV TG_CHAT_ID=""
@@ -48,7 +48,7 @@ ARG BACKUP_CRON_SCRIPT="/usr/local/bin/backup_cron.sh"
LABEL author="Jonas Kaninda"
RUN apt-get update -qq
RUN apt install mysql-client supervisor cron gnupg -y
RUN apt install mysql-client cron gnupg -y
# Clear cache
RUN apt-get clean && rm -rf /var/lib/apt/lists/*
@@ -69,8 +69,6 @@ RUN chmod +x /usr/local/bin/mysql-bkup
RUN ln -s /usr/local/bin/mysql-bkup /usr/local/bin/bkup
ADD docker/supervisord.conf /etc/supervisor/supervisord.conf
# Create backup script and make it executable
RUN echo '#!/bin/sh\n/usr/local/bin/mysql-bkup backup "$@"' > /usr/local/bin/backup && \
chmod +x /usr/local/bin/backup

12
pkg/backup.go
View File

@@ -38,23 +38,25 @@ func StartBackup(cmd *cobra.Command) {
// Run in scheduled mode
func scheduledMode(db *dbConfig, config *BackupConfig) {
utils.Info("Running in Scheduled mode")
utils.Info("Backup cron expression: %s", os.Getenv("BACKUP_CRON_EXPRESSION"))
utils.Info("Backup cron expression: %s", config.cronExpression)
utils.Info("Storage type %s ", storage)
//Test database connexion
testDatabaseConnection(db)
utils.Info("Creating a new cron instance...")
utils.Info("Creating cron instance...")
// Create a new cron instance
c := cron.New()
// Add a cron job that runs every 10 seconds
c.AddFunc(config.cronExpression, func() {
_, err := c.AddFunc(config.cronExpression, func() {
BackupTask(db, config)
})
if err != nil {
return
}
// Start the cron scheduler
c.Start()
utils.Info("Creating a new cron instance...done")
utils.Info("Creating cron instance...done")
defer c.Stop()
select {}
}

71
pkg/scripts.go
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@@ -1,71 +0,0 @@
// Package pkg /
/*****
@author Jonas Kaninda
@license MIT License <https://opensource.org/licenses/MIT>
@Copyright © 2024 Jonas Kaninda
**/
package pkg
import (
"fmt"
"github.com/jkaninda/mysql-bkup/utils"
"os"
"os/exec"
)
func CreateCrontabScript(disableCompression bool, storage string) {
//task := "/usr/local/bin/backup_cron.sh"
touchCmd := exec.Command("touch", backupCronFile)
if err := touchCmd.Run(); err != nil {
utils.Fatal("Error creating file %s: %v\n", backupCronFile, err)
}
var disableC = ""
if disableCompression {
disableC = "--disable-compression"
}
scriptContent := fmt.Sprintf(`#!/usr/bin/env bash
set -e
/usr/local/bin/mysql-bkup backup --dbname %s --storage %s %v
`, os.Getenv("DB_NAME"), storage, disableC)
if err := utils.WriteToFile(backupCronFile, scriptContent); err != nil {
utils.Fatal("Error writing to %s: %v\n", backupCronFile, err)
}
chmodCmd := exec.Command("chmod", "+x", "/usr/local/bin/backup_cron.sh")
if err := chmodCmd.Run(); err != nil {
utils.Fatal("Error changing permissions of %s: %v\n", backupCronFile, err)
}
lnCmd := exec.Command("ln", "-s", "/usr/local/bin/backup_cron.sh", "/usr/local/bin/backup_cron")
if err := lnCmd.Run(); err != nil {
utils.Fatal("Error creating symbolic link: %v\n", err)
}
touchLogCmd := exec.Command("touch", cronLogFile)
if err := touchLogCmd.Run(); err != nil {
utils.Fatal("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 {
utils.Fatal("Error creating file %s: %v\n", cronJob, err)
}
cronContent := fmt.Sprintf(`%s root exec /bin/bash -c ". /run/supervisord.env; /usr/local/bin/backup_cron.sh >> %s"
`, os.Getenv("BACKUP_CRON_EXPRESSION"), cronLogFile)
if err := utils.WriteToFile(cronJob, cronContent); err != nil {
utils.Fatal("Error writing to %s: %v\n", cronJob, err)
}
utils.ChangePermission("/etc/cron.d/backup_cron", 0644)
crontabCmd := exec.Command("crontab", "/etc/cron.d/backup_cron")
if err := crontabCmd.Run(); err != nil {
utils.Fatal("Error updating crontab: ", err)
}
utils.Info("Backup job created.")
}

8
utils/constant.go
View File

@@ -7,10 +7,10 @@
package utils
const RestoreExample = "mysql-bkup restore --dbname database --file db_20231219_022941.sql.gz\n" +
"bkup restore --dbname database --storage s3 --path /custom-path --file db_20231219_022941.sql.gz"
"restore --dbname database --storage s3 --path /custom-path --file db_20231219_022941.sql.gz"
const BackupExample = "mysql-bkup backup --dbname database --disable-compression\n" +
"mysql-bkup backup --dbname database --storage s3 --path /custom-path --disable-compression"
"backup --dbname database --storage s3 --path /custom-path --disable-compression"
const MainExample = "mysql-bkup backup --dbname database --disable-compression\n" +
"mysql-bkup backup --dbname database --storage s3 --path /custom-path\n" +
"mysql-bkup restore --dbname database --file db_20231219_022941.sql.gz"
"backup --dbname database --storage s3 --path /custom-path\n" +
"restore --dbname database --file db_20231219_022941.sql.gz"