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108 lines
4.7 KiB
Ruby
108 lines
4.7 KiB
Ruby
module Fog
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module Storage
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class AWS
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class Real
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require 'fog/aws/parsers/storage/get_bucket'
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# List information about objects in an S3 bucket
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#
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# @param bucket_name [String] name of bucket to list object keys from
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# @param options [Hash] config arguments for list. Defaults to {}.
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# @option options delimiter [String] causes keys with the same string between the prefix
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# value and the first occurence of delimiter to be rolled up
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# @option options marker [String] limits object keys to only those that appear
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# lexicographically after its value.
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# @option options max-keys [Integer] limits number of object keys returned
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# @option options prefix [String] limits object keys to those beginning with its value.
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#
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# @return [Excon::Response] response:
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# * body [Hash]:
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# * Delimeter [String] - Delimiter specified for query
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# * IsTruncated [Boolean] - Whether or not the listing is truncated
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# * Marker [String]- Marker specified for query
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# * MaxKeys [Integer] - Maximum number of keys specified for query
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# * Name [String] - Name of the bucket
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# * Prefix [String] - Prefix specified for query
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# * CommonPrefixes [Array] - Array of strings for common prefixes
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# * Contents [Array]:
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# * ETag [String] - Etag of object
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# * Key [String] - Name of object
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# * LastModified [String] - Timestamp of last modification of object
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# * Owner [Hash]:
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# * DisplayName [String] - Display name of object owner
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# * ID [String] - Id of object owner
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# * Size [Integer] - Size of object
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# * StorageClass [String] - Storage class of object
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#
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# @see http://docs.amazonwebservices.com/AmazonS3/latest/API/RESTBucketGET.html
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def get_bucket(bucket_name, options = {})
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unless bucket_name
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raise ArgumentError.new('bucket_name is required')
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end
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request({
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:expects => 200,
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:headers => {},
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:bucket_name => bucket_name,
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:idempotent => true,
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:method => 'GET',
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:parser => Fog::Parsers::Storage::AWS::GetBucket.new,
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:query => options
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})
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end
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end
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class Mock # :nodoc:all
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def get_bucket(bucket_name, options = {})
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prefix, marker, delimiter, max_keys = \
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options['prefix'], options['marker'], options['delimiter'], options['max-keys']
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common_prefixes = []
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unless bucket_name
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raise ArgumentError.new('bucket_name is required')
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end
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response = Excon::Response.new
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if bucket = self.data[:buckets][bucket_name]
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contents = bucket[:objects].values.map(&:first).sort {|x,y| x['Key'] <=> y['Key']}.reject do |object|
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(prefix && object['Key'][0...prefix.length] != prefix) ||
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(marker && object['Key'] <= marker) ||
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(delimiter && object['Key'][(prefix ? prefix.length : 0)..-1].include?(delimiter) \
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&& common_prefixes << object['Key'].sub(/^(#{prefix}[^#{delimiter}]+.).*/, '\1')) ||
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object.has_key?(:delete_marker)
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end.map do |object|
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data = object.reject {|key, value| !['ETag', 'Key', 'StorageClass'].include?(key)}
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data.merge!({
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'LastModified' => Time.parse(object['Last-Modified']),
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'Owner' => bucket['Owner'],
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'Size' => object['Content-Length'].to_i
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})
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data
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end
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max_keys = max_keys || 1000
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size = [max_keys, 1000].min
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truncated_contents = contents[0...size]
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response.status = 200
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response.body = {
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'CommonPrefixes' => common_prefixes.uniq,
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'Contents' => truncated_contents,
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'IsTruncated' => truncated_contents.size != contents.size,
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'Marker' => marker,
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'MaxKeys' => max_keys,
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'Name' => bucket['Name'],
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'Prefix' => prefix
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}
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if max_keys && max_keys < response.body['Contents'].length
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response.body['IsTruncated'] = true
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response.body['Contents'] = response.body['Contents'][0...max_keys]
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end
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else
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response.status = 404
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raise(Excon::Errors.status_error({:expects => 200}, response))
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end
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response
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end
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end
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end
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end
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end
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