\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef.upgrade/embedded/lib/ruby/gems/2.3.0/gems/ohai-8.24.0/spec/unit/plugins/

Viewing File: shard_spec.rb

#
# 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(:each) 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 "should provide 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 "should provide 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