Logger

Taskfile.yml

@@ -1,9 +1,26 @@
 version: '3'
 
+vars:
+  NAME: code.jhot.me/jhot/docker-s3-backup
+
 tasks:
+  default:
+    vars:
+      TAG: latest
   build:
     cmds:
-      - docker buildx build -t {{.NAME}}:{{.TAG}} .
+      - docker buildx build --platform linux/amd64,linux/arm64 -t "{{.NAME}}:{{.TAG}}" .
+  push:
+    cmds:
+      - docker push "{{.NAME}}:{{.TAG}}"
+  tag:
+    prompt: This will push a git tag and docker image versioned {{.TAG}}... Do you want to continue?
+    cmds:
+      - task: build
         vars:
-      NAME: docker-s3-backup
-      TAG: latest
+          NAME: "{{.NAME}}"
+      - task: push
+        vars:
+          NAME: "{{.NAME}}"
+      - git tag "{{.TAG}}"
+      - git push origin "{{.TAG}}"

go.mod

@@ -1,6 +1,6 @@
 module code.jhot.me/jhot/docker-s3-backup
 
-go 1.20
+go 1.21
 
 require (
 	github.com/go-co-op/gocron v1.33.1

internal/backup.go

@@ -11,28 +11,49 @@ import (
 
 var (
 	MinioClient   *minio.Client
+	backupBuckets = []string{}
+	backupRoot    string
+	s3Host        string
+	s3Secure      bool
+	s3Region      string
+	s3User        string
+	s3Pass        string
 )
 
+func init() {
+	for _, bucket := range strings.Split(GetEnvWithDefault("BUCKET_NAMES", ""), ",") {
+		backupBuckets = append(backupBuckets, strings.TrimSpace(bucket))
+	}
+	backupRoot = GetEnvWithDefault("BACKUP_ROOT", "/backup")
+	s3Host = GetEnvWithDefault("S3_HOST", "localhost:9000")
+	s3Secure = GetEnvWithDefault("S3_USE_SSL", "") == "true"
+	s3Region = GetEnvWithDefault("S3_REGION", "us-east-1")
+	s3User = GetEnvWithDefault("S3_ACCESS_KEY_ID", "")
+	s3Pass = GetEnvWithDefault("S3_ACCESS_KEY_SECRET", "")
+}
+
 func Backup(ctx context.Context) error {
+	logger.Info("Starting backup")
 	var err error
 	var getErrors = []string{}
-	bucketNames := GetEnvWithDefault("BUCKET_NAMES", "")
-	backupRoot := GetEnvWithDefault("BACKUP_ROOT", "/backup")
 
-	MinioClient, err = minio.New(GetEnvWithDefault("S3_HOST", "localhost"), &minio.Options{
-		Creds:  credentials.NewStaticV4(GetEnvWithDefault("S3_ACCESS_KEY_ID", ""), GetEnvWithDefault("S3_ACCESS_KEY_SECRET", ""), ""),
-		Secure: GetEnvWithDefault("S3_USE_SSL", "") == "true",
-		Region: GetEnvWithDefault("S3_REGION", "us-east-1"),
+	MinioClient, err = minio.New(s3Host, &minio.Options{
+		Creds:  credentials.NewStaticV4(s3User, s3Pass, ""),
+		Secure: s3Secure,
+		Region: s3Region,
 	})
 	if err != nil {
+		logger.Error("Error connecting to S3", "error", err)
 		return err
 	}
+	logger.Debug("Connected to S3", "host", s3Host)
 
-	for _, bucket := range strings.Split(bucketNames, ",") {
-		bucket = strings.TrimSpace(bucket)
+	for _, bucket := range backupBuckets {
+		logger.Debug("Backing up bucket", "bucket", bucket)
 		for object := range MinioClient.ListObjects(ctx, bucket, minio.ListObjectsOptions{Recursive: true}) {
 			getError := MinioClient.FGetObject(ctx, bucket, object.Key, fmt.Sprintf("%s/%s/%s", backupRoot, bucket, object.Key), minio.GetObjectOptions{})
 			if getError != nil {
+				logger.Error("Error getting object", "bucket", bucket, "error", getError)
 				getErrors = append(getErrors, getError.Error())
 			}
 		}

internal/logger.go

@@ -0,0 +1,14 @@
+package internal
+
+import (
+	"log/slog"
+	"os"
+)
+
+var (
+	logger *slog.Logger
+)
+
+func init() {
+	logger = slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{Level: slog.LevelDebug}))
+}

internal/schedule.go

@@ -12,12 +12,14 @@ var (
 )
 
 func StartSchedule(ctx context.Context) error {
+	logger.Info("Starting schedule")
 	cronExpression := GetEnvWithDefault("SCHEDULE_CRON", "0 0 * * *")
 	scheduler = gocron.NewScheduler(time.Local)
-	_, err := scheduler.Cron(cronExpression).Do(Backup, ctx)
+	job, err := scheduler.Cron(cronExpression).Do(Backup, ctx)
 	if err != nil {
 		return err
 	}
+	logger.Debug("Next scheduled backup", "time", job.NextRun())
 	scheduler.StartBlocking()
 	return nil
 }