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 = "", is_directory = true)
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# File lib/ohai/mixin/alibaba_metadata.rb, line 44 def fetch_metadata(id = "", is_directory = true) response = http_get(id) if response.code == "200" if !is_directory json_data = parse_json(response.body) if json_data.nil? response.body else json_data end elsif is_directory temp = {} response.body.split("\n").each do |sub_attr| if "#{id}/#{sub_attr}" != "/user-data" uri = id == "" ? "#{id}#{sub_attr}/" : "#{id}#{sub_attr}" temp[sanitize_key(sub_attr).gsub(/_$/, "")] = fetch_metadata(uri, has_trailing_slash?(uri)) end end temp end else logger.warn("Mixin AlibabaMetadata: Received response code #{response.code} requesting metadata for id='#{id}'") nil end end
has_trailing_slash?(data)
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@param data [String]
@return [Boolean] is there a trailing /?
# File lib/ohai/mixin/alibaba_metadata.rb, line 74 def has_trailing_slash?(data) !!(data =~ %r{/$}) end
http_get(uri)
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# File lib/ohai/mixin/alibaba_metadata.rb, line 37 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
sanitize_key(key)
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# File lib/ohai/mixin/alibaba_metadata.rb, line 78 def sanitize_key(key) key.gsub(%r{\-|/}, "_") end