feat: archivistactl import

cmd/archivistactl/cmd/import.go

@@ -0,0 +1,198 @@
+// Copyright 2024 The Archivista Contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package cmd
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/url"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/edwarnicke/gitoid"
+	"github.com/in-toto/archivista/ent"
+	"github.com/in-toto/archivista/pkg/metadatastorage/sqlstore"
+	"github.com/in-toto/go-witness/dsse"
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/cobra"
+)
+
+var (
+	importCmd = &cobra.Command{
+		Use:          "import",
+		Short:        "import dsses to the Archivista DB server",
+		SilenceUsage: true,
+		Args:         cobra.MaximumNArgs(2),
+		RunE:         importDsse,
+	}
+)
+
+func init() {
+	rootCmd.AddCommand(importCmd)
+	importCmd.PersistentFlags().StringP("from-dir", "", "", "Directory to import from. Example: /path/to/directory")
+	importCmd.PersistentFlags().StringP("db-uri", "", "", "Database URI to import to. Supported schemes: mysql, psql. Example: mysql://user:password@localhost:3306/testify")
+	importCmd.PersistentFlags().IntP("max-concurrent", "", 3, "Maximum number of concurrent imports.")
+	err := importCmd.MarkPersistentFlagRequired("db-uri")
+	cobra.CheckErr(err)
+}
+
+func walkDir(dir string) (<-chan string, <-chan error) {
+	ch := make(chan string)
+	errCh := make(chan error, 1)
+
+	go func() {
+		defer close(ch)
+		defer close(errCh)
+
+		err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
+			if err != nil {
+				return err
+			}
+			if !info.IsDir() {
+				ch <- path
+			}
+			return nil
+		})
+
+		if err != nil {
+			errCh <- err
+		}
+	}()
+
+	return ch, errCh
+}
+
+func dbClient(dbURI string) (*ent.Client, error) {
+	// Verify that we can connect to the DB
+	var (
+		scheme string
+		uri    string
+	)
+
+	purl, err := url.Parse(dbURI)
+	if err != nil {
+		return nil, err
+	}
+
+	switch strings.ToUpper(purl.Scheme) {
+	case "MYSQL":
+		scheme = "MYSQL"
+		uri = purl.User.String() + "@" + purl.Host + purl.Path
+	case "PSQL":
+		scheme = "PSQL"
+		uri = dbURI
+	default:
+		return nil, fmt.Errorf("unsupported database scheme %s", purl.Scheme)
+	}
+
+	// TODO:
+	// Define MaxIdleConns, MaxOpenConns, ConnMaxLifetime as custom parameters
+	entClient, err := sqlstore.NewEntClient(
+		scheme,
+		uri,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	return entClient, nil
+}
+
+func importFile(path string, sqlStore *sqlstore.Store, maxConcurrent int) {
+	fpaths, _ := walkDir(path)
+	var wg sync.WaitGroup
+	sem := make(chan struct{}, maxConcurrent) // Buffered channel acting as a semaphore
+
+	for fpath := range fpaths {
+		sem <- struct{}{} // Acquire a token before starting a new Goroutine
+		wg.Add(1)
+		go func(fpath string) {
+			defer wg.Done()
+			defer func() { <-sem }() // Release the token when done
+
+			fmt.Println("\nImporting file:", fpath)
+			file, err := os.ReadFile(fpath)
+			if err != nil {
+				fmt.Println("Skipping  file: "+fpath+" cannot read file", fpath)
+				return
+			}
+
+			envelope := &dsse.Envelope{}
+			if err := json.Unmarshal(file, envelope); err != nil {
+				fmt.Printf("Skipping file: %s cannot open %s as DSSE Envelope\n", fpath, fpath)
+				return
+			}
+			if envelope.PayloadType != "" {
+				ngitoid, err := gitoid.New(bytes.NewReader(file), gitoid.WithContentLength(int64(len(file))), gitoid.WithSha256())
+				if err != nil {
+					fmt.Println("Skipping  file: "+fpath+" cannot generate valid GitOID", fpath)
+					return
+				}
+				err = sqlStore.Store(context.Background(), ngitoid.String(), file)
+				if err != nil {
+					// if failed due to duplicate entry, skip
+					if strings.Contains(err.Error(), "Duplicate entry") {
+						fmt.Println("Skipping  file: " + fpath + " cannot store duplicated entry")
+					} else {
+						fmt.Println("Skipping  file: "+fpath+" failed to import.", err)
+					}
+					return
+				}
+			}
+			fmt.Println("Successfully imported", fpath)
+		}(fpath)
+	}
+
+	// Wait for all Goroutines to finish
+	wg.Wait()
+}
+
+func importDsse(ccmd *cobra.Command, args []string) error {
+	logrus.SetLevel(logrus.FatalLevel) // Set the log level to Fatal to suppress lower-level logs
+
+	sourceDir, err := ccmd.Flags().GetString("from-dir")
+	if err != nil {
+		return err
+	}
+
+	dbURI, err := ccmd.Flags().GetString("db-uri")
+	if err != nil {
+		return err
+	}
+
+	ec, err := dbClient(dbURI)
+	if err != nil {
+		return err
+	}
+
+	sqlStore, _, err := sqlstore.New(context.Background(), ec)
+	if err != nil {
+		return err
+	}
+
+	max, err := ccmd.Flags().GetInt("max-concurrent")
+	if err != nil {
+		fmt.Println("Failed to get max-concurrent flag", err)
+	}
+	fmt.Print("\nImporting DSSes from folder", sourceDir, " to the database server")
+	fmt.Print("\nMax concurrent imports: ", max, "\n\n")
+	importFile(sourceDir, sqlStore, max)
+
+	return nil
+}