module Ohai::Mixin::AlibabaMetadata
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
Public Instance Methods
fetch_metadata(id = "")
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# File lib/ohai/mixin/alibaba_metadata.rb, line 41 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
has_trailing_slash?(data)
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@param data [String]
@return [Boolean] is there a trailing /?
# File lib/ohai/mixin/alibaba_metadata.rb, line 77 def has_trailing_slash?(data) !!( data =~ %r{/$} ) end
http_get(uri)
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# File lib/ohai/mixin/alibaba_metadata.rb, line 34 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
json?(data)
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@param [String] data that might be JSON
@return [Boolean] is the data JSON or not?
# File lib/ohai/mixin/alibaba_metadata.rb, line 63 def json?(data) data = String(data) parser = FFI_Yajl::Parser.new begin parser.parse(data) true rescue FFI_Yajl::ParseError false end end
sanitize_key(key)
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# File lib/ohai/mixin/alibaba_metadata.rb, line 81 def sanitize_key(key) key.gsub(%r{\-|/}, "_") end