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Contents
# Classes that inherit from this method should NOT define and override:
#
# logical_id
# type
# properties
# attributes
#
# These are computed methods that derive their values from the resource definition itself.
# Overriding these methods will remove the computed logical which handles things
# like camelizing and replacements.
module Jets::Cfn
class Base
extend Memoist
include Jets::Util::Camelize
# interface method
def replacements
@replacements || {}
end
def replacer
Resource::Replacer.new(replacements)
end
memoize :replacer
def template
standarize(definition)
end
memoize :template
# CloudFormation Resources reference: https://amzn.to/2NKg6ip
def standarize(*definition)
Resource::Standardizer.new(definition).template
end
def logical_id
id = template.keys.first
id = replacer.replace_value(id) # IE: replace possible {namespace} in the logical id
Jets::Camelizer.camelize(id) # logical id limit is 256 chars
end
def type
attributes[:Type]
end
def properties
attributes[:Properties]
end
def attributes
attributes = template.values.first
attributes = replacer.replace_placeholders(attributes)
camelize(attributes)
end
def parameters
{}
end
def outputs
{}
end
def permission
Resource::Lambda::Permission.new(replacements, self)
end
memoize :permission
class << self
def truncate_id(id, postfix = '')
# Api Gateway resource name has a limit of 64 characters.
# Yet it throws not found when ID is longer than 62 characters and I don't know why.
# To keep it safe, let's stick to the 62 characters limit.
if id.size + postfix.size > 62
"#{id[0..(55 - postfix.size)]}#{Digest::MD5.hexdigest(id)[0..5]}#{postfix}"
else
"#{id}#{postfix}"
end
end
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems