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Contents
module Aws
module Plugins
# @api private
class EndpointPattern < Seahorse::Client::Plugin
option(:disable_host_prefix_injection,
default: false,
doc_type: 'Boolean',
docstring: <<-DOCS
Set to true to disable SDK automatically adding host prefix
to default service endpoint when available.
DOCS
)
def add_handlers(handlers, config)
if config.regional_endpoint && !config.disable_host_prefix_injection
handlers.add(Handler, priority: 90)
end
end
class Handler < Seahorse::Client::Handler
def call(context)
endpoint_trait = context.operation.endpoint_pattern
if endpoint_trait && !endpoint_trait.empty?
_apply_endpoint_trait(context, endpoint_trait)
end
@handler.call(context)
end
private
def _apply_endpoint_trait(context, trait)
# currently only support host pattern
ori_host = context.http_request.endpoint.host
if pattern = trait['hostPrefix']
host_prefix = pattern.gsub(/\{.+?\}/) do |label|
label = label.delete("{}")
_replace_label_value(
ori_host, label, context.operation.input, context.params)
end
context.http_request.endpoint.host = host_prefix + context.http_request.endpoint.host
end
end
def _replace_label_value(ori, label, input_ref, params)
name = nil
input_ref.shape.members.each do |m_name, ref|
if ref['hostLabel'] && ref['hostLabelName'] == label
name = m_name
end
end
if name.nil? || params[name].nil?
raise Errors::MissingEndpointHostLabelValue.new(name)
end
params[name]
end
end
end
end
end
Version data entries
91 entries across 91 versions & 1 rubygems