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# This class is a base class for Docker Container and Image.
# It is implementing accessor methods for the models attributes.
module Docker::Base
include Docker::Error
attr_accessor :connection, :info
attr_reader :id
# The private new method accepts a connection and a hash of options that must include an id.
def initialize(connection, hash={})
unless connection.is_a?(Docker::Connection)
raise ArgumentError, "Expected a Docker::Connection, got: #{connection}."
end
normalize_hash(hash)
@connection, @info, @id = connection, hash, hash['id']
raise ArgumentError, "Must have id, got: #{hash}" unless @id
end
# The docker-api will some time return "ID" other times it will return "Id"
# and other times it will return "id". This method normalize it to "id"
# The volumes endpoint returns Name instead of ID, added in the normalize function
def normalize_hash(hash)
hash["id"] ||= hash.delete("ID") || hash.delete("Id")
end
end
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