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#
# Author:: AJ Christensen (<aj@junglist.gen.nz>)
# Copyright:: Copyright (c) 2008 Opscode, 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 'spec_helper'
describe Chef::Application::Client, "reconfigure" do
before do
Kernel.stub(:trap).and_return(:ok)
@original_argv = ARGV.dup
ARGV.clear
@app = Chef::Application::Client.new
@app.stub(:trap)
@app.stub(:configure_opt_parser).and_return(true)
@app.stub(:configure_chef).and_return(true)
@app.stub(:configure_logging).and_return(true)
@app.cli_arguments = []
Chef::Config[:interval] = 10
Chef::Config[:once] = false
end
after do
ARGV.replace(@original_argv)
end
describe "when configured to not fork the client process" do
before do
Chef::Config[:client_fork] = false
Chef::Config[:daemonize] = false
Chef::Config[:interval] = nil
Chef::Config[:splay] = nil
end
context "when interval is given" do
before do
Chef::Config[:interval] = 600
end
it "should terminate with message" do
Chef::Application.should_receive(:fatal!).with(
"Unforked chef-client interval runs are disabled in Chef 12.
Configuration settings:
interval = 600 seconds
Enable chef-client interval runs by setting `:client_fork = true` in your config file or adding `--fork` to your command line options."
)
@app.reconfigure
end
end
context "when configured to run once" do
before do
Chef::Config[:once] = true
Chef::Config[:interval] = 1000
end
it "should reconfigure chef-client" do
@app.reconfigure
Chef::Config[:interval].should be_nil
end
end
end
describe "when in daemonized mode and no interval has been set" do
before do
Chef::Config[:daemonize] = true
Chef::Config[:interval] = nil
end
it "should set the interval to 1800" do
@app.reconfigure
Chef::Config.interval.should == 1800
end
end
describe "when configured to run once" do
before do
Chef::Config[:once] = true
Chef::Config[:daemonize] = false
Chef::Config[:splay] = 60
Chef::Config[:interval] = 1800
end
it "ignores the splay" do
@app.reconfigure
Chef::Config.splay.should be_nil
end
it "forces the interval to nil" do
@app.reconfigure
Chef::Config.interval.should be_nil
end
end
describe "when the json_attribs configuration option is specified" do
let(:json_attribs) { {"a" => "b"} }
let(:config_fetcher) { double(Chef::ConfigFetcher, :fetch_json => json_attribs) }
let(:json_source) { "https://foo.com/foo.json" }
before do
Chef::Config[:json_attribs] = json_source
Chef::ConfigFetcher.should_receive(:new).with(json_source).
and_return(config_fetcher)
end
it "reads the JSON attributes from the specified source" do
@app.reconfigure
@app.chef_client_json.should == json_attribs
end
end
end
describe Chef::Application::Client, "setup_application" do
before do
@app = Chef::Application::Client.new
# this is all stuff the reconfigure method needs
@app.stub(:configure_opt_parser).and_return(true)
@app.stub(:configure_chef).and_return(true)
@app.stub(:configure_logging).and_return(true)
end
it "should change privileges" do
Chef::Daemon.should_receive(:change_privilege).and_return(true)
@app.setup_application
end
after do
Chef::Config[:solo] = false
end
end
describe Chef::Application::Client, "configure_chef" do
before do
@original_argv = ARGV.dup
ARGV.clear
@app = Chef::Application::Client.new
@app.configure_chef
end
after do
ARGV.replace(@original_argv)
end
it "should set the colored output to false by default on windows and true otherwise" do
if windows?
Chef::Config[:color].should be_false
else
Chef::Config[:color].should be_true
end
end
end
describe Chef::Application::Client, "run_application", :unix_only do
before(:each) do
Chef::Config[:specific_recipes] = [] # normally gets set in @app.reconfigure
@app = Chef::Application::Client.new
@app.setup_signal_handlers
# Default logger doesn't work correctly when logging from a trap handler.
@app.configure_logging
@pipe = IO.pipe
@client = Chef::Client.new
Chef::Client.stub(:new).and_return(@client)
@client.stub(:run) do
@pipe[1].puts 'started'
sleep 1
@pipe[1].puts 'finished'
end
end
context "when sent SIGTERM", :volatile_on_solaris do
context "when converging in forked process" do
before do
Chef::Config[:daemonize] = true
Chef::Daemon.stub(:daemonize).and_return(true)
end
it "should exit hard with exitstatus 3" do
pid = fork do
@app.run_application
end
Process.kill("TERM", pid)
_pid, result = Process.waitpid2(pid)
result.exitstatus.should == 3
end
it "should allow child to finish converging" do
pid = fork do
@app.run_application
end
@pipe[0].gets.should == "started\n"
Process.kill("TERM", pid)
Process.wait
sleep 1 # Make sure we give the converging child process enough time to finish
IO.select([@pipe[0]], nil, nil, 0).should_not be_nil
@pipe[0].gets.should == "finished\n"
end
end
context "when running unforked" do
before(:each) do
Chef::Config[:client_fork] = false
Chef::Config[:daemonize] = false
end
it "should exit gracefully when sent during converge" do
pid = fork do
@app.run_application
end
@pipe[0].gets.should == "started\n"
Process.kill("TERM", pid)
_pid, result = Process.waitpid2(pid)
result.exitstatus.should == 0
IO.select([@pipe[0]], nil, nil, 0).should_not be_nil
@pipe[0].gets.should == "finished\n"
end
it "should exit hard when sent before converge" do
pid = fork do
sleep 3
@app.run_application
end
Process.kill("TERM", pid)
_pid, result = Process.waitpid2(pid)
result.exitstatus.should == 3
end
end
end
describe "when splay is set" do
before do
Chef::Config[:splay] = 10
Chef::Config[:interval] = 10
run_count = 0
# uncomment to debug failures...
# Chef::Log.init($stderr)
# Chef::Log.level = :debug
@app.stub(:run_chef_client) do
run_count += 1
if run_count > 3
exit 0
end
# If everything is fine, sending USR1 to self should prevent
# app to go into splay sleep forever.
Process.kill("USR1", Process.pid)
# On Ruby < 2.1, we need to give the signal handlers a little
# more time, otherwise the test will fail because interleavings.
sleep 1
end
number_of_sleep_calls = 0
# This is a very complicated way of writing
# @app.should_receive(:sleep).once.
# We have to do it this way because the main loop of
# Chef::Application::Client swallows most exceptions, and we need to be
# able to expose our expectation failures to the parent process in the test.
@app.stub(:interval_sleep) do |arg|
number_of_sleep_calls += 1
if number_of_sleep_calls > 1
exit 127
end
end
end
it "shouldn't sleep when sent USR1" do
@app.stub(:interval_sleep).with(0).and_call_original
pid = fork do
@app.run_application
end
_pid, result = Process.waitpid2(pid)
result.exitstatus.should == 0
end
end
end
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