Files
backup-tool/main.go

91 lines
1.9 KiB
Go

package main
import (
"context"
"github.com/joho/godotenv"
"log"
"os"
"github.com/minio/minio-go/v7"
"github.com/minio/minio-go/v7/pkg/credentials"
)
const (
ENDPOINT = "s3.us-west-004.backblazeb2.com"
BUCKETNAME = "ducimon-db-backups"
)
func main() {
ctx := context.Background()
accessKeyID, secretAccessKey := getCredentials()
client := createClient(accessKeyID, secretAccessKey)
verifyBucket(client, ctx)
absolutePath, basename := validateUploadFile()
_, err := client.FPutObject(ctx, BUCKETNAME, "test", absolutePath, minio.PutObjectOptions{})
if err != nil {
log.Fatalln(err)
}
log.Printf("upload of %s complete\n", basename)
}
func validateUploadFile() (string, string) {
if len(os.Args) < 2 {
log.Fatalln("upload file not specified")
}
file, err := os.Stat(os.Args[1])
if err != nil {
log.Fatalln(err)
}
if file.IsDir() {
log.Fatalln("upload of directories is not supported")
}
return os.Args[1], file.Name()
}
func verifyBucket(client *minio.Client, ctx context.Context) {
exists, err := client.BucketExists(ctx, BUCKETNAME)
if err != nil {
log.Fatalln(err)
}
if !exists {
log.Fatalf("bucket %s does not exist\n", BUCKETNAME)
}
}
func createClient(accessKeyID string, secretAccessKey string) *minio.Client {
// Initialize minio client object.
minioClient, err := minio.New(ENDPOINT, &minio.Options{
Creds: credentials.NewStaticV4(accessKeyID, secretAccessKey, ""),
Secure: true,
})
if err != nil {
log.Fatalln(err)
}
return minioClient
}
func getCredentials() (string, string) {
// get credentials from env vars
err := godotenv.Load()
if err != nil {
log.Fatalf("error loading .env file: (%s)", err.Error())
}
keyName := os.Getenv("KEY_ID")
if keyName == "" {
log.Fatal("missing or empty KEY_ID")
}
applicationKey := os.Getenv("APPLICATION_KEY")
if applicationKey == "" {
log.Fatal("missing or empty APPLICATION_KEY")
}
return keyName, applicationKey
}