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# frozen_string_literal: true
#
# Author:: Tim Smith (<tsmith@chef.io>)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require "net/http" unless defined?(Net::HTTP)
module Ohai
module Mixin
#
# This code parses the Alibaba Instance Metadata API to provide details
# of the running instance.
#
# Note: As of 2021-02-07 there is only one API release so we're not implementing
# logic like the ec2 or azure mixins where we have to find the latest supported
# release
module AlibabaMetadata
ALI_METADATA_ADDR ||= "100.100.100.200"
def http_get(uri)
conn = Net::HTTP.start(ALI_METADATA_ADDR)
conn.read_timeout = 6
conn.keep_alive_timeout = 6
conn.get("/2016-01-01/#{uri}", { "User-Agent" => "chef-ohai/#{Ohai::VERSION}" })
end
def fetch_metadata(id = "")
response = http_get(id)
return nil unless response.code == "200"
if json?(response.body)
data = String(response.body)
parser = FFI_Yajl::Parser.new
parser.parse(data)
elsif response.body.include?("\n")
temp = {}
response.body.split("\n").each do |sub_attr|
temp[sanitize_key(sub_attr)] = fetch_metadata("#{id}/#{sub_attr}")
end
temp
else
response.body
end
end
# @param [String] data that might be JSON
#
# @return [Boolean] is the data JSON or not?
def json?(data)
data = String(data)
parser = FFI_Yajl::Parser.new
begin
parser.parse(data)
true
rescue FFI_Yajl::ParseError
false
end
end
# @param data [String]
#
# @return [Boolean] is there a trailing /?
def has_trailing_slash?(data)
!!( data =~ %r{/$} )
end
def sanitize_key(key)
key.gsub(%r{\-|/}, "_")
end
end
end
end
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