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#
# Author:: Davide Cavalca <dcavalca@fb.com>
# Copyright:: Copyright (c) 2016 Facebook
# 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 "digest/md5"
require File.expand_path(File.dirname(__FILE__) + "/../../spec_helper.rb")
describe Ohai::System, "shard plugin" do
let(:plugin) { get_plugin("shard") }
let(:fqdn) { "somehost004.someregion.somecompany.com" }
let(:uuid) { "48555CF4-5BB1-21D9-BC4C-E8B73DDE5801" }
let(:serial) { "234du3m4i498xdjr2" }
let(:machine_id) { "0a1f869f457a4c8080ab19faf80af9cc" }
let(:machinename) { "somehost004" }
before do
allow(plugin).to receive(:collect_os).and_return(:linux)
plugin["machinename"] = machinename
plugin["machine_id"] = machine_id
plugin["fqdn"] = fqdn
plugin["dmi"] = { "system" => {} }
plugin["dmi"]["system"]["uuid"] = uuid
plugin["dmi"]["system"]["serial_number"] = serial
allow(plugin).to receive(:collect_os).and_return(:linux)
end
it "provides a shard with a default-safe set of sources" do
plugin.run
result = Digest::MD5.hexdigest(
"#{machinename}#{serial}#{uuid}"
)[0...7].to_i(16)
expect(plugin[:shard_seed]).to eq(result)
end
it "provides a shard with a configured source" do
Ohai.config[:plugin][:shard_seed][:sources] = [:fqdn]
plugin.run
result = Digest::MD5.hexdigest(fqdn)[0...7].to_i(16)
expect(plugin[:shard_seed]).to eq(result)
end
it "fails on an unrecognized source" do
Ohai.config[:plugin][:shard_seed][:sources] = [:GreatGooglyMoogly]
expect { plugin.run }.to raise_error(RuntimeError)
end
end
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