Method getBucketLocation

bucket-cache.go:43–75

getBucketLocation - Get location for the bucketName from location map cache, if not fetch freshly by making a new request.

(ctx context.Context, bucketName string)

// getBucketLocation - Get location for the bucketName from location map cache, if not
// fetch freshly by making a new request.
func (c *Client) getBucketLocation(ctx context.Context, bucketName string) (string, error) {
	if err := s3utils.CheckValidBucketName(bucketName); err != nil {
		return "", err
	}

	// Region set then no need to fetch bucket location.
	if c.region != "" {
		return c.region, nil
	}

	if location, ok := c.bucketLocCache.Get(bucketName); ok {
		return location, nil
	}

	// Initialize a new request.
	req, err := c.getBucketLocationRequest(ctx, bucketName)
	if err != nil {
		return "", err
	}

	// Initiate the request.
	resp, err := c.do(req)
	defer closeResponse(resp)
	if err != nil {
		return "", err
	}
	location, err := processBucketLocationResponse(resp, bucketName)
	if err != nil {
		return "", err
	}
	c.bucketLocCache.Set(bucketName, location)
	return location, nil
}

// processes the getBucketLocation http response from the server.
func processBucketLocationResponse(resp *http.Response, bucketName string) (bucketLocation string, err error) {