DigitalOcean Metadata Query - Ruby
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# DigitalOcean Metadata Chef Library | |
# rubocop:disable LineLength | |
require 'net/http' | |
# Public: This defines a module to retrieve Metadata from DigitalOcean | |
module DoMetadata | |
DO_METADATA_ADDR = '169.254.169.254' unless defined?(DO_METADATA_ADDR) | |
DO_SUPPORTED_VERSIONS = %w( v1 ) | |
DO_DEFAULT_API_VERSION = 'v1' | |
def self.http_client | |
Net::HTTP.start(DO_METADATA_ADDR).tap { |h| h.read_timeout = 600 } | |
end | |
# Get metadata for a given path and API version | |
def metadata_get(id, api_version = DO_DEFAULT_API_VERSION, json = false) | |
path = "/metadata/#{api_version}/#{id}" | |
path = "/metadata/#{api_version}.json" if json | |
response = http_client.get(path) | |
case response.code | |
when '200' | |
response.body | |
when '404' | |
Chef::Log.info("Encountered 404 response retreiving DO metadata path: #{path} ; continuing.") | |
nil | |
else | |
fail "Encountered error retrieving DO metadata (#{path} returned #{response.code} response)" | |
end | |
end | |
module_function :metadata_get | |
# Retrieve the JSON metadata, and return it as a Ruby hash | |
def parse_json_metadata(api_version = DO_DEFAULT_API_VERSION) | |
retrieved_metadata = metadata_get(nil, api_version, true) | |
return unless retrieved_metadata | |
JSON.parse(retrieved_metadata) if retrieved_metadata | |
end | |
module_function :parse_json_metadata | |
end |
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