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#
# Author:: Jonathan Amiez (<jonathan.amiez@gmail.com>)
# 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"
module Ohai
module Mixin
module ScalewayMetadata
SCALEWAY_METADATA_ADDR = "169.254.42.42".freeze unless defined?(SCALEWAY_METADATA_ADDR)
SCALEWAY_METADATA_URL = "/conf?format=json".freeze unless defined?(SCALEWAY_METADATA_URL)
# @return [Net::HTTP] net/http object without timeout set to 6
def http_client
Net::HTTP.start(SCALEWAY_METADATA_ADDR).tap { |h| h.read_timeout = 6 }
end
# fetch scaleway metadata and parse the resulting JSON
#
# @return [Hash]
def fetch_metadata
uri = (SCALEWAY_METADATA_URL).to_s
response = http_client.get(uri)
case response.code
when "200"
parser = FFI_Yajl::Parser.new
parser.parse(response.body)
when "404"
logger.trace("Mixin ScalewayMetadata: Encountered 404 response retrieving Scaleway metadata: #{uri} ; continuing.")
{}
else
raise "Mixin ScalewayMetadata: Encountered error retrieving Scaleway metadata (#{uri} returned #{response.code} response)"
end
end
end
end
end
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