「🏗️」 wip(Mariadb-entry): entrypoint starting to work

Makefile

@@ -8,11 +8,13 @@ DOCKERFILE_DB := $(DOCKER_FOLDER)/$(DB_SERVER_NAME)/Dockerfile
 DOCKERFILE_WEVSRV := $(DOCKER_FOLDER)/$(WEB_SERVER_NAME)/Dockerfile
 DOCKERFILE_CMS := $(DOCKER_FOLDER)/$(CMS_NAME)/Dockerfile
 
-mariadb-build:
+db-build:
 	docker build -f $(DOCKERFILE_DB) -t $(DB_SERVER_NAME) .
 
-nginx-build:
+websrv-build:
 	docker build -f $(DOCKERFILE_WEVSRV) -t $(WEB_SERVER_NAME) .
 
-wp-build:
+cms-build:
 	docker build -f $(DOCKERFILE_CMS) -t $(CMS_NAME) .
+
+.PHONY: cms-build db-build websrv-build

cmd/mariadb-entry/mariadb-entry.go

@@ -1,14 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-)
-
-func	main() {
-	args := os.Args	
-
-	for _, v := range args {
-		fmt.Println(v)
-	}
-}

cmd/mariadb/entrypoint/entrypoint.go

@@ -0,0 +1,117 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+	"log"
+	"os"
+	"os/exec"
+	"time"
+
+	"git.keyzox.me/42_adjoly/inception/internal/env"
+	"git.keyzox.me/42_adjoly/inception/internal/log"
+)
+
+func createDBDir(dataDir string) {
+	if dataDir == "/var/lib/mysql" {
+		return
+	}
+	err := os.Mkdir(dataDir, 750)
+	if err != nil {
+		log.Fatal(err)
+	}
+	err = os.Mkdir(dataDir+"/.already", 750)
+	if err != nil {
+		log.Fatal(err)
+	}
+}
+
+func checkOlderDB(dataDir string) bool {
+	if _, err := os.Stat(dataDir+"/.already"); errors.Is(err, os.ErrNotExist) {
+		return false
+	}
+	return true
+}
+
+func waitForMariaDB() {
+	for i := 0; i < 30; i++ {
+		cmd := exec.Command("mysql", "-uroot", "-e", "SELECT 1")
+		if err := cmd.Run(); err == nil {
+			return
+		}
+		fmt.Println("MariaDB init process in progress...")
+		time.Sleep(1 * time.Second)
+	}
+	fmt.Println("MariaDB init process failed.")
+	os.Exit(1)
+}
+
+func configureMariaDB(rootPassword, user, password, database string) {
+	cmd := exec.Command("mysql", "-uroot", "-e", fmt.Sprintf(`
+		ALTER USER 'root'@'localhost' IDENTIFIED BY '%s';
+		CREATE DATABASE IF NOT EXISTS %s;
+		CREATE USER IF NOT EXISTS '%s'@'%%' IDENTIFIED BY '%s';
+		GRANT ALL PRIVILEGES ON %s.* TO '%s'@'%%';
+		FLUSH PRIVILEGES;
+	`, rootPassword, database, user, password, database, user))
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	if err := cmd.Run(); err != nil {
+		fmt.Printf("Error configuring MariaDB: %v\n", err)
+		os.Exit(1)
+	}
+}
+
+func main() {
+	args := os.Args
+
+
+	if args[1] == "mariadbd" || args[1] == "mysqld" {
+		_log.Log("note", "Entrypoint script for MariaDB Server started")
+
+		rootPass := env.FileEnv("MYSQL_ROOT_PASSWORD", "default")
+		pass := env.FileEnv("MYSQL_PASSWORD", "default")
+		user := env.FileEnv("MYSQL_USER", "mariadb")
+		dbName := env.EnvCheck("MYSQL_DATABASE", "default")
+		dataDir := env.EnvCheck("DATADIR", "/var/lib/mysql")
+
+		oldDB := checkOlderDB(dataDir)
+		if oldDB == false {
+			createDBDir(dataDir)
+			// Init DB
+			cmd := exec.Command("mariadb-install-db", "--user=mysql", "--ldata="+dataDir)
+			cmd.Stdout = os.Stdout
+			cmd.Stderr = os.Stderr
+			createDBDir(dataDir)
+			if err := cmd.Run(); err != nil {
+				_log.Log("error", "Error initializing MariaDB")
+			}
+
+			// Starting temp mariadb server for config
+			cmd = exec.Command("mariadbd-safe", "--skip-networking")
+			cmd.Stdout = os.Stdout
+			cmd.Stderr = os.Stderr
+			if err := cmd.Start(); err != nil {
+				fmt.Printf("Error starting MariaDB: %v\n", err)
+				os.Exit(1)
+			}
+			// Wait for mariadb to start
+			waitForMariaDB()
+
+			configureMariaDB(rootPass, user, pass, dbName)
+
+			if err := cmd.Process.Kill(); err != nil {
+				fmt.Printf("Error stopping MariaDB: %v\n", err)
+			}
+		}
+	}
+
+	cmd := exec.Command(args[1], args[2:]...)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+	cmd.Stdin = os.Stdin
+	if err := cmd.Run(); err != nil {
+		fmt.Printf("Error running MariaDB: %v\n", err)
+		os.Exit(1)
+	}
+}

cmd/mariadb/entrypoint/setupEnv.go

@@ -0,0 +1,5 @@
+package main
+
+import (
+	
+)

cmd/mariadb/healthcheck/healthcheck.go

@@ -0,0 +1,36 @@
+package main
+
+import (
+	"database/sql"
+	"fmt"
+
+	"git.keyzox.me/42_adjoly/inception/internal/env"
+	"git.keyzox.me/42_adjoly/inception/internal/log"
+)
+
+func	checkHealth(host, user, pass, port, dbName string) bool {
+	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", user, pass, host, port, dbName)
+	
+	db, err := sql.Open("mysql", dsn)
+	if err != nil {
+		_log.Log("error", "Failed to open database connection")
+	}
+	defer db.Close()
+	if err := db.Ping(); err != nil {
+		_log.Log("error", "Health check failed")
+	}
+	return true
+}
+
+func	main() {
+	pass := env.FileEnv("MYSQL_PASSWORD", "default")
+	user := env.FileEnv("MYSQL_USER", "mariadb")
+	dbName := env.EnvCheck("MYSQL_DATABASE", "default")
+	dbHost := "localhost"
+
+	res := checkHealth(dbHost, user, pass, "3306", dbName)
+	if res == true{
+		_log.Log("note", "Mariadb is healthy")
+	}
+	_log.Log("error", "Health check failed")
+}

configs/mariadb/docker.cnf

@@ -0,0 +1,8 @@
+[mariadb]
+host-cache-size=0
+skip-name-resolve
+
+expire_logs_days=10
+
+!includedir /etc/mysql/mariadb.conf.d
+!includedir /etc/mysql/conf.d

docker-compose.yml

@@ -1,4 +1,3 @@
-version: "3"
 name: inception
 
 volumes:
@@ -12,6 +11,9 @@ networks:
 services:
   nginx:
     container_name: inception-nginx
+    build:
+      context: .
+      dockerfile: docker/nginx/Dockerfile
     networks:
       - inception
     environment:
@@ -27,6 +29,9 @@ services:
 
   wordpress-php:
     container_name: inception-workp-php
+    build:
+      context: .
+      dockerfile: docker/wordpress/dockerfile
     networks:
       - inception
     environment:
@@ -39,9 +44,16 @@ services:
 
   db:
     container_name: inception-db
+    build:
+      context: .
+      dockerfile: docker/mariadb/Dockerfile
     networks:
       - inception
     environment:
+      - MYSQL_ROOT_PASSWORD="alpine"
+      - MYSQL_PASSWORD="alpine"
+      - MYSQL_USER="kanel"
+      - MYSQL_DATABASE="knl"
       - TZ=Europe/Paris
     volumes:
       - wp-db:/var/lib/mysql

docker/mariadb/Dockerfile

@@ -4,34 +4,39 @@ LABEL			version="0.1"
 LABEL			maintainer="KeyZox"
 
 RUN				addgroup mysql \
-				&& adduser -S -G mysql mysql -h /var/lib/mysql \
+				&& adduser -S -G mysql mysql -h /var/lib/mysql
-				&& echo 'permit nopass root as mysql' >> /etc/doas.conf
 
 RUN				mkdir /build
 
 COPY			go.mod /build/go.mod
 COPY			cmd /build/cmd
+COPY			internal /build/internal
 
-RUN				apk add --no-cache go \
+RUN				apk add --no-cache go mariadb tzdata \
 				&& cd /build \
-				&& go build git.keyzox.me/42_adjoly/inception/cmd/mariadb-entry \
+				&& go build git.keyzox.me/42_adjoly/inception/cmd/mariadb/entrypoint \
-				&& cp /build/mariadb-entry /mariadb-entry \
+				&& go build git.keyzox.me/42_adjoly/inception/cmd/mariadb/healthcheck \
+				&& cp /build/entrypoint /docker-entrypoint \
+				&& cp /build/healthcheck /docker-healthcheck \
+				&& chmod +x /docker-healthcheck \
+				&& chmod +x /docker-entrypoint \
 				&& apk del go \
-				&& rm -Rf /build
+				&& mkdir -p /etc/mysql/conf.d /etc/mysql/mariadb.conf.d/ /run/mariadb /run/mysqld \
+				&& chmod ugo+rwx,o+t /run/mariadb \
+				&& chown -R mysql:mysql /var/lib/mysql /run/mariadb /run/mysqld \
+				&& rm -Rf /build \ 
+				&& rm -rf /var/cache/apk/*
 
 ENV				LANG=C.UTF-8
 
-#COPY			--chmod=0644 docker.cnf /etc/my.cnf.d/
+COPY			--chmod=0644 configs/mariadb/docker.cnf /etc/my.cnf.d/
-
-RUN				apk add --no-cache mariadb tzdata doas
 
 VOLUME			/var/lib/mysql
 
-#COPY			--chmod=0741 healthcheck.sh /healthcheck.sh
+ENTRYPOINT		[ "/docker-entrypoint" ]
-
-#ENTRYPOINT		[ "/mariadb-entry" ]
 WORKDIR			/var/lib/mysql
 
-USER			mysql
+#USER			mysql
 EXPOSE			3306
-CMD				[ "mariadbd" ]
+CMD				[ "mariadbd", "--user=mysql" ]
+HEALTHCHECK		--interval=30s --timeout=10s --retries=3 CMD /docker-healthcheck

go.mod

@@ -1,3 +1,8 @@
 module git.keyzox.me/42_adjoly/inception
 
 go 1.23.4
+
+require (
+	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/go-sql-driver/mysql v1.8.1 // indirect
+)

go.sum

@@ -0,0 +1,4 @@
+filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
+filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
+github.com/go-sql-driver/mysql v1.8.1 h1:LedoTUt/eveggdHS9qUFC1EFSa8bU2+1pZjSRpvNJ1Y=
+github.com/go-sql-driver/mysql v1.8.1/go.mod h1:wEBSXgmK//2ZFJyE+qWnIsVGmvmEKlqwuVSjsCm7DZg=

internal/env/env_util.go

@@ -0,0 +1,34 @@
+package env
+
+import (
+	"os"
+
+	"git.keyzox.me/42_adjoly/inception/internal/log"
+)
+
+func	FileEnv(Value string, Default string) string {
+	val, is := os.LookupEnv(Value)
+
+	if is {
+		return val
+	} else {
+		val, is := os.LookupEnv(Value + "_FILE")
+		if is {
+			content, err := os.ReadFile(val)
+			if err != nil {
+				_log.Log("error", "Error reading file")
+			}
+			return string(content)
+		}
+	}
+	return Default
+}
+
+func	EnvCheck(Value, Default string) string {
+	val, is := os.LookupEnv(Value)
+
+	if is {
+		return val
+	}
+	return Default
+}

internal/log/log.go

@@ -0,0 +1,20 @@
+package _log
+
+import (
+	"fmt"
+	"os"
+	"time"
+)
+
+func	Log(Type string, Log string) {
+	t := time.Now()
+	t.Format(time.RFC3339)
+	if Type == "note" {
+		fmt.Printf("%s-[%s] [Entrypoint]: %s\n", t, Type, Log)
+	} else if Type == "warn" {
+		fmt.Fprintf(os.Stderr ,"%s-[%s] [Entrypoint]: %s\n", t, Type, Log)
+	} else if Type == "error" {
+		fmt.Fprintf(os.Stderr ,"%s-[%s] [Entrypoint]: %s\n", t, Type, Log)
+		os.Exit(1)
+	}
+}