File: list_snapshots.rb

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ruby-fog-aliyun 0.4.0-2
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# frozen_string_literal: true

module Fog
  module Compute
    class Aliyun
      class Real
        # {Aliyun API Reference}[https://docs.aliyun.com/?spm=5176.100054.3.1.DGkmH7#/pub/ecs/open-api/snapshot&describesnapshots]
        def list_snapshots(options = {})
          action = 'DescribeSnapshots'
          sigNonce = randonStr
          time = Time.new.utc

          parameters = defaultParameters(action, sigNonce, time)
          pathUrl = defaultAliyunUri(action, sigNonce, time)

          pageNumber = options[:pageNumber]
          pageSize = options[:pageSize]
          instanceId = options[:instanceId]
          diskId = options[:diskId]
          snapshotId = options[:snapshotIds]
          sourceDiskType = options[:sourceDiskType]
          name = options[:snapshotName]
          state = options[:state]
          type = options[:snapshotType]
          usage = options[:usage]

          if usage
            parameters['Usage'] = usage
            pathUrl += '&Usage='
            pathUrl += usage
          end

          if type
            parameters['SnapshotType'] = type
            pathUrl += '&SnapshotType='
            pathUrl += type
          end

          if state
            parameters['Status'] = state
            pathUrl += '&Status='
            pathUrl += state
          end

          if name
            parameters['SnapshotName'] = name
            pathUrl += '&SnapshotName='
            pathUrl += name
          end

          if instanceId
            parameters['InstanceId'] = instanceId
            pathUrl += '&InstanceId='
            pathUrl += instanceId
          end

          if diskId
            parameters['DiskId'] = diskId
            pathUrl += '&DiskId='
            pathUrl += diskId
          end

          if snapshotId
            parameters['SnapshotIds'] = Fog::JSON.encode(snapshotId)
            pathUrl += '&SnapshotIds='
            pathUrl += Fog::JSON.encode(snapshotId)
          end

          if sourceDiskType
            parameters['SourceDiskType'] = sourceDiskType
            pathUrl += '&SourceDiskType='
            pathUrl += sourceDiskType
          end

          if pageNumber
            parameters['PageNumber'] = pageNumber
            pathUrl += '&PageNumber='
            pathUrl += pageNumber
          end

          pageSize ||= '50'
          parameters['PageSize'] = pageSize
          pathUrl += '&PageSize='
          pathUrl += pageSize

          signature = sign(@aliyun_accesskey_secret, parameters)
          pathUrl += '&Signature='
          pathUrl += signature

          request(
            expects: [200, 203],
            method: 'GET',
            path: pathUrl
          )
        end
      end
    end
  end
end