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#
# Author:: Alexey Karpik <alexey.karpik@rightscale.com>
# Author:: Peter Schroeter <peter.schroeter@rightscale.com>
# Author:: Stas Turlo <stanislav.turlo@rightscale.com>
# Copyright:: Copyright (c) 2010-2014 RightScale 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/https"
require "uri" unless defined?(URI)
# https://softlayer.github.io/reference/services/SoftLayer_Resource_Metadata/
module ::Ohai::Mixin::SoftlayerMetadata
SOFTLAYER_API_QUERY_URL ||= "https://api.service.softlayer.com/rest/v3.1/SoftLayer_Resource_Metadata".freeze
# fetch metadata items and build out hash of data
#
# @return [Hash]
def fetch_metadata
{
"public_fqdn" => fetch_metadata_item("getFullyQualifiedDomainName.txt"),
"local_ipv4" => fetch_metadata_item("getPrimaryBackendIpAddress.txt"),
"public_ipv4" => fetch_metadata_item("getPrimaryIpAddress.txt"),
"region" => fetch_metadata_item("getDatacenter.txt"),
"instance_id" => fetch_metadata_item("getId.txt"),
}
end
# Softlayer's metadata api is only available over HTTPS.
# Ruby by default does not link to the system's CA bundle
# however Chef-omnibus should set SSL_CERT_FILE to point to a valid file.
# Manually supply and specify a suitable CA bundle here or
# set the SSL_CERT_FILE file environment variable to a valid value otherwise.
#
# @return [String]
def ca_file_location
::Ohai::Config[:ca_file]
end
# fetch a specified item from the Softlayer metadata API
# @param item [String] the metadata item to fetch
#
# @return [String] the response body
def fetch_metadata_item(item)
full_url = "#{SOFTLAYER_API_QUERY_URL}/#{item}"
u = URI(full_url)
net = ::Net::HTTP.new(u.hostname, u.port)
net.ssl_version = :TLSv1_2
net.use_ssl = true
net.ca_file = ca_file_location
res = net.get(u.request_uri)
if res.code.to_i.between?(200, 299)
res.body
else
logger.error("Mixin Softlayer: Unable to fetch item #{full_url}: status (#{res.code}) body (#{res.body})")
nil
end
rescue => e
logger.error("Mixin Softlayer: Unable to fetch softlayer metadata from #{u}: #{e.class}: #{e.message}")
raise e
end
end
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