Module: TraceView::Inst::Cassandra

Included in:
Cassandra
Defined in:
lib/traceview/inst/twitter-cassandra.rb

Instance Method Summary collapse

Instance Method Details

#add_column_family_with_traceview(cf_def) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 213

def add_column_family_with_traceview(cf_def)
  return add_column_family_without_traceview(cf_def) unless TraceView.tracing?

  report_kvs = extract_trace_details(:add_column_family, nil, nil, nil)
  begin
    report_kvs[:Cf] = cf_def[:name] if cf_def.is_a?(Hash) && cf_def.key?(:name)
  rescue => e
    TraceView.logger.debug "[traceview/debug] #{__method__}:#{File.basename(__FILE__)}:#{__LINE__}: #{e.message}" if TraceView::Config[:verbose]
  end

  TraceView::API.trace(:cassandra, report_kvs) do
    add_column_family_without_traceview(cf_def)
  end
end

#add_keyspace_with_traceview(ks_def) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 238

def add_keyspace_with_traceview(ks_def)
  return add_keyspace_without_traceview(ks_def) unless TraceView.tracing?

  report_kvs = extract_trace_details(:add_keyspace, nil, nil, nil)
  report_kvs[:Name] = ks_def.name rescue ''

  TraceView::API.trace(:cassandra, report_kvs) do
    add_keyspace_without_traceview(ks_def)
  end
end

#count_columns_with_traceview(column_family, key, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 68

def count_columns_with_traceview(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  return send :count_columns_without_traceview, *args unless TraceView.tracing?

  report_kvs = extract_trace_details(:count_columns, column_family, key, columns_and_options)

  TraceView::API.trace(:cassandra, report_kvs) do
    send :count_columns_without_traceview, *args
  end
end

#create_index_with_traceview(keyspace, column_family, column_name, validation_class) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 178

def create_index_with_traceview(keyspace, column_family, column_name, validation_class)
  unless TraceView.tracing?
    return create_index_without_traceview(keyspace, column_family, column_name, validation_class)
  end

  report_kvs = extract_trace_details(:create_index, column_family, nil, nil)
  begin
    report_kvs[:Keyspace] = keyspace.to_s
    report_kvs[:Column_name] = column_name.to_s
    report_kvs[:Validation_class] = validation_class.to_s
  rescue => e
    TraceView.logger.debug "[traceview/debug] #{__method__}:#{File.basename(__FILE__)}:#{__LINE__}: #{e.message}" if TraceView::Config[:verbose]
  end

  TraceView::API.trace(:cassandra, report_kvs) do
    create_index_without_traceview(keyspace, column_family, column_name, validation_class)
  end
end

#drop_column_family_with_traceview(column_family) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 228

def drop_column_family_with_traceview(column_family)
  return drop_column_family_without_traceview(column_family) unless TraceView.tracing?

  report_kvs = extract_trace_details(:drop_column_family, column_family, nil, nil)

  TraceView::API.trace(:cassandra, report_kvs) do
    drop_column_family_without_traceview(column_family)
  end
end

#drop_index_with_traceview(keyspace, column_family, column_name) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 197

def drop_index_with_traceview(keyspace, column_family, column_name)
  return drop_index_without_traceview(keyspace, column_family, column_name) unless TraceView.tracing?

  report_kvs = extract_trace_details(:drop_index, column_family, nil, nil)
  begin
    report_kvs[:Keyspace] = keyspace.to_s
    report_kvs[:Column_name] = column_name.to_s
  rescue => e
    TraceView.logger.debug "[traceview/debug] #{__method__}:#{File.basename(__FILE__)}:#{__LINE__}: #{e.message}" if TraceView::Config[:verbose]
  end

  TraceView::API.trace(:cassandra, report_kvs) do
    drop_index_without_traceview(keyspace, column_family, column_name)
  end
end

#drop_keyspace_with_traceview(keyspace) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 249

def drop_keyspace_with_traceview(keyspace)
  return drop_keyspace_without_traceview(keyspace) unless TraceView.tracing?

  report_kvs = extract_trace_details(:drop_keyspace, nil, nil, nil)
  report_kvs[:Name] = keyspace.to_s rescue ''

  TraceView::API.trace(:cassandra, report_kvs) do
    drop_keyspace_without_traceview(keyspace)
  end
end

#exists_with_traceview?(column_family, key, *columns_and_options) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/traceview/inst/twitter-cassandra.rb', line 132

def exists_with_traceview?(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  return send :exists_without_traceview?, *args unless TraceView.tracing?

  report_kvs = extract_trace_details(:exists?, column_family, key, columns_and_options)

  TraceView::API.trace(:cassandra, report_kvs) do
    send :exists_without_traceview?, *args
  end
end

#extract_trace_details(op, column_family, keys, args, options = {}) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 7

def extract_trace_details(op, column_family, keys, args, options = {})
  report_kvs = {}

  begin
    report_kvs[:Op] = op.to_s
    report_kvs[:Cf] = column_family.to_s if column_family
    report_kvs[:Key] = keys.inspect if keys

    # Open issue - how to handle multiple Cassandra servers
    report_kvs[:RemoteHost], report_kvs[:RemotePort] = @servers.first.split(':')

    report_kvs[:Backtrace] = TraceView::API.backtrace if TraceView::Config[:cassandra][:collect_backtraces]

    if options.empty? && args.is_a?(Array)
      options = args.last if args.last.is_a?(Hash)
    end

    unless options.empty?
      [:start_key, :finish_key, :key_count, :batch_size, :columns, :count, :start,
       :stop, :finish, :finished, :reversed, :consistency, :ttl].each do |k|
        report_kvs[k.to_s.capitalize] = options[k] if options.key?(k)
      end

      if op == :get_indexed_slices
        index_clause = columns_and_options[:index_clause] || {}
        unless index_clause.empty?
          [:column_name, :value, :comparison].each do |k|
            report_kvs[k.to_s.capitalize] = index_clause[k] if index_clause.key?(k)
          end
        end
      end
    end
  rescue => e
    TraceView.logger.debug "[traceview/debug] #{__method__}:#{File.basename(__FILE__)}:#{__LINE__}: #{e.message}" if TraceView::Config[:verbose]
  end

  report_kvs
end

#get_columns_with_traceview(column_family, key, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 80

def get_columns_with_traceview(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  if TraceView.tracing? && !TraceView.tracing_layer_op?(:multi_get_columns)
    report_kvs = extract_trace_details(:get_columns, column_family, key, columns_and_options)

    TraceView::API.trace(:cassandra, report_kvs) do
      send :get_columns_without_traceview, *args
    end
  else
    send :get_columns_without_traceview, *args
  end
end

#get_indexed_slices_with_traceview(column_family, index_clause, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 166

def get_indexed_slices_with_traceview(column_family, index_clause, *columns_and_options)
  args = [column_family, index_clause] + columns_and_options

  return send :get_indexed_slices_without_traceview, *args unless TraceView.tracing?

  report_kvs = extract_trace_details(:get_indexed_slices, column_family, nil, columns_and_options)

  TraceView::API.trace(:cassandra, report_kvs) do
    send :get_indexed_slices_without_traceview, *args
  end
end

#get_range_batch_with_traceview(column_family, options = {}) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 156

def get_range_batch_with_traceview(column_family, options = {})
  return get_range_batch_without_traceview(column_family, options) unless TraceView.tracing?

  report_kvs = extract_trace_details(:get_range_batch, column_family, nil, nil)

  TraceView::API.trace(:cassandra, report_kvs, :get_range_batch) do
    get_range_batch_without_traceview(column_family, options)
  end
end

#get_range_single_with_traceview(column_family, options = {}) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 144

def get_range_single_with_traceview(column_family, options = {})
  if TraceView.tracing? && !TraceView.tracing_layer_op?(:get_range_batch)
    report_kvs = extract_trace_details(:get_range_single, column_family, nil, nil)

    TraceView::API.trace(:cassandra, report_kvs) do
      get_range_single_without_traceview(column_family, options)
    end
  else
    get_range_single_without_traceview(column_family, options)
  end
end

#get_with_traceview(column_family, key, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 106

def get_with_traceview(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  return send :get_without_traceview, *args unless TraceView.tracing?

  report_kvs = extract_trace_details(:get, column_family, key, columns_and_options)

  TraceView::API.trace(:cassandra, report_kvs, :get) do
    send :get_without_traceview, *args
  end
end

#insert_with_traceview(column_family, key, hash, options = {}) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 46

def insert_with_traceview(column_family, key, hash, options = {})
  return insert_without_traceview(column_family, key, hash, options = {}) unless TraceView.tracing?

  report_kvs = extract_trace_details(:insert, column_family, key, hash, options)

  TraceView::API.trace(:cassandra, report_kvs) do
    insert_without_traceview(column_family, key, hash, options = {})
  end
end

#multi_get_columns_with_traceview(column_family, key, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 94

def multi_get_columns_with_traceview(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  return send :multi_get_columns_without_traceview, *args unless TraceView.tracing?

  report_kvs = extract_trace_details(:multi_get_columns, column_family, key, columns_and_options)

  TraceView::API.trace(:cassandra, report_kvs, :multi_get_columns) do
    send :multi_get_columns_without_traceview, *args
  end
end

#multi_get_with_traceview(column_family, key, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 118

def multi_get_with_traceview(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  if TraceView.tracing? && !TraceView.tracing_layer_op?(:get)
    report_kvs = extract_trace_details(:multi_get, column_family, key, columns_and_options)

    TraceView::API.trace(:cassandra, report_kvs) do
      send :multi_get_without_traceview, *args
    end
  else
    send :multi_get_without_traceview, *args
  end
end

#remove_with_traceview(column_family, key, *columns_and_options) ⇒ Object 



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# File 'lib/traceview/inst/twitter-cassandra.rb', line 56

def remove_with_traceview(column_family, key, *columns_and_options)
  args = [column_family, key] + columns_and_options

  return send :remove_without_traceview, *args unless TraceView.tracing?

  report_kvs = extract_trace_details(:remove, column_family, key, columns_and_options)

  TraceView::API.trace(:cassandra, report_kvs) do
    send :remove_without_traceview, *args
  end
end