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require 'erb'
require 'yaml'
module Killjoy
module Cassandra
class DatabaseConfiguration
attr_reader :environment
def initialize(environment: ENV.fetch("ENV", "development"))
@environment = environment
end
def hosts
configuration["hosts"]
end
def keyspace
configuration["keyspace"]
end
def port
configuration["port"].to_i
end
def expand(file)
new_path = file.gsub(/\.erb/, '')
IO.write(new_path, expand_template(file))
end
private
def configuration(file = "config/database.yml")
@configuration ||=
YAML.load(expand_template(file))[environment]
end
def expand_template(file)
ERB.new(File.read(file)).result(binding)
end
end
end
end
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