Class: Cumulus::S3::ReplicationConfig

Inherits:
Object
  • Object
show all
Defined in:
lib/s3/models/ReplicationConfig.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(json = nil) ⇒ ReplicationConfig

Public: Constructor

json - a hash representing the JSON configuration. Expects to be passed the “replication” node of S3 bucket configuration.



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# File 'lib/s3/models/ReplicationConfig.rb', line 16

def initialize(json = nil)
  if json
    @destination = json["destination"]
    @iam_role = json["iam-role"]
    @prefixes = json["prefixes"] || []
  end
end

Instance Attribute Details

#destination ⇒ Object (readonly)

Returns the value of attribute destination.



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# File 'lib/s3/models/ReplicationConfig.rb', line 8

def destination
  @destination
end

#iam_role ⇒ Object (readonly)

Returns the value of attribute iam_role.



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# File 'lib/s3/models/ReplicationConfig.rb', line 9

def iam_role
  @iam_role
end

#prefixes ⇒ Object (readonly)

Returns the value of attribute prefixes.



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# File 'lib/s3/models/ReplicationConfig.rb', line 10

def prefixes
  @prefixes
end

Instance Method Details

#!=(other) ⇒ Object

Public: Check if this ReplicationConfig is not equal to the other object

other - the other object to check

Returns whether this ReplicationConfig is not equal to ‘other`



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# File 'lib/s3/models/ReplicationConfig.rb', line 128

def !=(other)
  !(self == other)
end

#==(other) ⇒ Object

Public: Check ReplicationConfig equality with other objects.

other - the other object to check

Returns whether this ReplicationConfig is equal to ‘other`



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# File 'lib/s3/models/ReplicationConfig.rb', line 112

def ==(other)
  if !other.is_a? ReplicationConfig or
      @destination != other.destination or
      @iam_role != other.iam_role or
      @prefixes.sort != other.prefix.sort
    false
  else
    true
  end
end

#diff(aws) ⇒ Object

Public: Produce an array of differences between this local configuration and the configuration in AWS

aws - the AWS resource

Returns an array of the ReplicationDiff that were found



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# File 'lib/s3/models/ReplicationConfig.rb', line 76

def diff(aws)
  diffs = []

  if @destination != aws.destination
    diffs << ReplicationDiff.new(ReplicationChange::DESTINATION, aws, self)
  end
  if @iam_role != aws.iam_role
    diffs << ReplicationDiff.new(ReplicationChange::ROLE, aws, self)
  end
  if @prefixes.sort != aws.prefixes
    diffs << ReplicationDiff.new(ReplicationChange::PREFIX, aws, self)
  end

  diffs
end

#populate!(aws) ⇒ Object

Public: Populate this ReplicationConfig with the values in an AWS replication configuration.

aws - the aws object to populate from



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# File 'lib/s3/models/ReplicationConfig.rb', line 96

def populate!(aws)
  @destination = aws.rules[0].destination.bucket
  @destination = @destination[(@destination.rindex(":") + 1)..-1]
  @iam_role = aws.role[(aws.role.rindex("/") + 1)..-1]
  @prefixes = aws.rules.map(&:prefix)

  if @prefixes.size == 1 and @prefixes[0] == ""
    @prefixes = []
  end
end

#to_aws ⇒ Object

Public: Produce an AWS hash representing this ReplicationConfig

Returns the hash



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# File 'lib/s3/models/ReplicationConfig.rb', line 27

def to_aws
  role_arn = IAM.get_role_arn(@iam_role)
  if role_arn.nil?
    puts Colors.red("No IAM role named #{name}")
    exit
  end

  {
    role: role_arn,
    rules: if @prefixes.empty?
      [{
        prefix: "",
        status: "Enabled",
        destination: {
          bucket: "arn:aws:s3:::#{@destination}"
        }
      }]
    else
      @prefixes.map do |prefix|
        {
          prefix: prefix,
          status: "Enabled",
          destination: {
            bucket: "arn:aws:s3:::#{@destination}"
          }
        }
      end
    end
  }
end

#to_h ⇒ Object

Public: Converts this ReplicationConfig to a hash that matches Cumulus configuration.

Returns the hash



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# File 'lib/s3/models/ReplicationConfig.rb', line 62

def to_h
  {
    "iam-role" => @iam_role,
    "prefixes" => if !@prefixes.empty? then @prefixes end,
    "destination" => @destination,
  }.reject { |k, v| v.nil? }
end