コード例 #1
0
ファイル: rdsbackup.go プロジェクト: rhartkopf/rdsbackup
// findLatestSnap finds the source snapshot to copy
func (c *config) findLatestSnap() error {
	cli := rds.New(session.New(), &aws.Config{Region: aws.String(c.src)})
	c.debug(fmt.Sprintf("Searching for snapshots for: %s", c.dbid))
	q := rds.DescribeDBSnapshotsInput{}
	q.DBInstanceIdentifier = aws.String(c.dbid)
	resp, err := cli.DescribeDBSnapshots(&q)
	if err != nil {
		return err
	}
	newest := time.Unix(0, 0)
	newestId := ""
	if len(resp.DBSnapshots) < 1 {
		return fmt.Errorf("No snapshots found")
	}
	c.debug(fmt.Sprintf("Found %d snapshots for: %s", len(resp.DBSnapshots), c.dbid))
	for _, r := range resp.DBSnapshots {
		if r.SnapshotCreateTime.After(newest) {
			newestId = *r.DBSnapshotIdentifier
			newest = *r.SnapshotCreateTime
		}
	}
	if len(newestId) < 1 {
		return fmt.Errorf("No usable snapshot found")
	}
	c.arn = fmt.Sprintf("arn:aws:rds:%s:%s:snapshot:%s", c.src, c.awsAcctId, newestId)
	c.debug(fmt.Sprintf("Found latest snapshot: %s: %s", newestId, newest.String()))
	return nil
}
コード例 #2
0
ファイル: rdsbackup.go プロジェクト: rhartkopf/rdsbackup
// checkSnapCopied returns true if the source snapshot has already been copied to the destination region
func (c *config) checkSnapCopied() bool {
	cli := rds.New(session.New(), &aws.Config{Region: aws.String(c.dst)})
	q := rds.DescribeDBSnapshotsInput{}
	q.DBInstanceIdentifier = aws.String(c.dbid)
	resp, err := cli.DescribeDBSnapshots(&q)
	if err != nil {
		return false
	}
	for _, s := range resp.DBSnapshots {
		q := rds.ListTagsForResourceInput{ResourceName: aws.String(fmt.Sprintf("arn:aws:rds:%s:%s:snapshot:%s", c.dst, c.awsAcctId, *s.DBSnapshotIdentifier))}
		tags, err := cli.ListTagsForResource(&q)
		if err != nil {
			continue
		}
		managedByUs := false
		matchedSource := false
		for _, t := range tags.TagList {
			if *t.Key == "managedby" && *t.Value == "rdsbackup" {
				managedByUs = true
			} else if *t.Key == "sourcearn" && *t.Value == c.arn {
				matchedSource = true
			}
		}
		if managedByUs && matchedSource {
			return true
		}
	}
	return false
}
コード例 #3
0
ファイル: rdsbackup.go プロジェクト: rhartkopf/rdsbackup
// cleanupSnaps
func (c *config) cleanupSnaps() error {
	if c.purge <= 0 {
		return nil
	}
	c.debug(fmt.Sprintf("Cleaning up old snapshots in dest region %s...", c.dst))
	cli := rds.New(session.New(), &aws.Config{Region: aws.String(c.dst)})
	q := rds.DescribeDBSnapshotsInput{}
	q.DBInstanceIdentifier = aws.String(c.dbid)
	resp, err := cli.DescribeDBSnapshots(&q)
	if err != nil {
		return err
	}
	snaps := map[int64]string{}
	keys := int64arr{}
	for _, s := range resp.DBSnapshots {
		q := rds.ListTagsForResourceInput{ResourceName: aws.String(fmt.Sprintf("arn:aws:rds:%s:%s:snapshot:%s", c.dst, c.awsAcctId, *s.DBSnapshotIdentifier))}
		tags, err := cli.ListTagsForResource(&q)
		if err != nil {
			continue
		}
		for _, t := range tags.TagList {
			if *t.Key == "managedby" && *t.Value == "rdsbackup" {
				if s.SnapshotCreateTime.Unix() > 0 {
					snaps[s.SnapshotCreateTime.Unix()] = *s.DBSnapshotIdentifier
					keys = append(keys, s.SnapshotCreateTime.Unix())
				}
			}
		}
	}
	if len(snaps) <= c.purge {
		c.debug(fmt.Sprintf("Found %d snapshots. Purge flag is %d, so nothing will be purged.", len(snaps), c.purge))
	} else {
		c.debug(fmt.Sprintf("Found %d snapshots. Purge flag is %d, so the oldest %d snapshots will be purged.", len(snaps), c.purge, len(snaps)-c.purge))
		sort.Sort(keys)
		for i := 0; i < len(snaps)-c.purge; i++ {
			c.debug(fmt.Sprintf("Purging snapshot %s.", snaps[keys[i]]))
			q := rds.DeleteDBSnapshotInput{DBSnapshotIdentifier: aws.String(snaps[keys[i]])}
			resp, err := cli.DeleteDBSnapshot(&q)
			if err != nil {
				return err
			}
			if *resp.DBSnapshot.Status != "deleted" {
				c.debug(fmt.Sprintf("Warning: snapshot was not deleted successfully: %s", snaps[keys[i]]))
			}
		}
		c.debug("Done purging shapshots.")
	}
	return nil
}