Add -report-s3 option

report/s3.go

@@ -0,0 +1,112 @@
+/* Vuls - Vulnerability Scanner
+Copyright (C) 2016  Future Architect, Inc. Japan.
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+package report
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"github.com/aws/aws-sdk-go/aws"
+	"github.com/aws/aws-sdk-go/aws/credentials"
+	"github.com/aws/aws-sdk-go/aws/session"
+	"github.com/aws/aws-sdk-go/service/s3"
+
+	c "github.com/future-architect/vuls/config"
+	"github.com/future-architect/vuls/models"
+)
+
+// S3Writer writes results to S3
+type S3Writer struct{}
+
+func getS3() *s3.S3 {
+	return s3.New(session.New(&aws.Config{
+		Region:      aws.String(c.Conf.AwsRegion),
+		Credentials: credentials.NewSharedCredentials("", c.Conf.AwsProfile),
+	}))
+}
+
+// CheckIfBucketExists check the existence of S3 bucket
+func CheckIfBucketExists() error {
+	svc := getS3()
+	result, err := svc.ListBuckets(&s3.ListBucketsInput{})
+	if err != nil {
+		return fmt.Errorf(
+			"Failed to list buckets. err: %s, profile: %s, region: %s",
+			err, c.Conf.AwsProfile, c.Conf.AwsRegion)
+	}
+
+	found := false
+	for _, bucket := range result.Buckets {
+		if *bucket.Name == c.Conf.S3Bucket {
+			found = true
+			break
+		}
+	}
+	if !found {
+		return fmt.Errorf(
+			"Failed to find the buckets. profile: %s, region: %s, bukdet: %s",
+			c.Conf.AwsProfile, c.Conf.AwsRegion, c.Conf.S3Bucket)
+	}
+	return nil
+}
+
+// Write put results in S3
+func (w S3Writer) Write(scanResults []models.ScanResult) (err error) {
+
+	var jsonBytes []byte
+	if jsonBytes, err = json.MarshalIndent(scanResults, "", "  "); err != nil {
+		return fmt.Errorf("Failed to Marshal to JSON: %s", err)
+	}
+
+	// http://docs.aws.amazon.com/sdk-for-go/latest/v1/developerguide/common-examples.title.html
+	svc := getS3()
+	timestr := time.Now().Format("20060102_1504")
+	key := fmt.Sprintf("%s/%s", timestr, "all.json")
+	_, err = svc.PutObject(&s3.PutObjectInput{
+		Bucket: &c.Conf.S3Bucket,
+		Key:    &key,
+		Body:   bytes.NewReader(jsonBytes),
+	})
+	if err != nil {
+		return fmt.Errorf("Failed to upload data to %s/%s, %s", c.Conf.S3Bucket, key, err)
+	}
+
+	for _, r := range scanResults {
+		key := ""
+		if r.Container.ContainerID == "" {
+			key = fmt.Sprintf("%s/%s.json", timestr, r.ServerName)
+		} else {
+			key = fmt.Sprintf("%s/%s_%s.json", timestr, r.ServerName, r.Container.Name)
+		}
+
+		if jsonBytes, err = json.MarshalIndent(r, "", "  "); err != nil {
+			return fmt.Errorf("Failed to Marshal to JSON: %s", err)
+		}
+		_, err = svc.PutObject(&s3.PutObjectInput{
+			Bucket: &c.Conf.S3Bucket,
+			Key:    &key,
+			Body:   bytes.NewReader(jsonBytes),
+		})
+		if err != nil {
+			return fmt.Errorf("Failed to upload data to %s/%s, %s", c.Conf.S3Bucket, key, err)
+		}
+	}
+	return nil
+}