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Contents
class Jets::Cfn::TemplateMappers
class ChildMapper
attr_reader :path
def initialize(path, s3_bucket)
# "#{Jets.build_root}/templates/demo-dev-posts_controller.yml"
@path = path
@s3_bucket = s3_bucket
end
# common parameters to all child stacks
def parameters
parameters = {
# YAML.dump converts it to a string
# !GetAtt Base.Outputs.IamRole => "!GetAtt Base.Outputs.IamRole"
# But post processing of the template fixes this
IamRole: "!GetAtt IamRole.Arn",
S3Bucket: "!Ref S3Bucket",
}
end
# Example: PostsController
def logical_id
regexp = Regexp.new(".*#{Jets.config.project_namespace}-")
contoller_name = @path.sub(regexp, '').sub('.yml', '')
# map the path to a camelized logical_id. Example:
# /tmp/jets/demo/templates/demo-dev-2-posts_controller.yml to
# PostsController
contoller_name.underscore.camelize
end
def template_url
# here's where it gets interesting with the bucket. The bucket will
# need to exist for the child templates. But wont be created until the stack
# has been first launched. We can create the bucket in a separate stack
# And then grab it and then store it in a cache file.
basename = File.basename(@path)
# IE: https://s3.amazonaws.com/[bucket]/jets/cfn-templates/demo-dev-posts_controller.yml"
"https://s3.amazonaws.com/#{@s3_bucket}/jets/cfn-templates/#{basename}"
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems