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require 'spec_helper'
require 'puppet/daemon'
require 'puppet/agent'
require 'puppet/configurer'
def without_warnings
flag = $VERBOSE
$VERBOSE = nil
yield
$VERBOSE = flag
end
describe Puppet::Daemon, :unless => Puppet::Util::Platform.windows? do
include PuppetSpec::Files
class RecordingScheduler
attr_reader :jobs
def run_loop(jobs)
@jobs = jobs
end
end
let(:agent) { Puppet::Agent.new(Puppet::Configurer, false) }
let(:server) { double("Server", :start => nil, :wait_for_shutdown => nil) }
let(:pidfile) { double("PidFile", :lock => true, :unlock => true, :file_path => 'fake.pid') }
let(:scheduler) { RecordingScheduler.new }
let(:daemon) { Puppet::Daemon.new(agent, pidfile, scheduler) }
before(:each) do
allow(Signal).to receive(:trap)
allow(daemon).to receive(:close_streams).and_return(nil)
end
it "should fail when no agent is provided" do
expect { Puppet::Daemon.new(nil, pidfile, scheduler) }.to raise_error(Puppet::DevError)
end
it "should reopen the Log logs when told to reopen logs" do
expect(Puppet::Util::Log).to receive(:reopen)
daemon.reopen_logs
end
describe "when setting signal traps" do
[:INT, :TERM].each do |signal|
it "logs a notice and exits when sent #{signal}" do
allow(Signal).to receive(:trap).with(signal).and_yield
expect(Puppet).to receive(:notice).with("Caught #{signal}; exiting")
expect(daemon).to receive(:stop)
daemon.set_signal_traps
end
end
{:HUP => :restart, :USR1 => :reload, :USR2 => :reopen_logs}.each do |signal, method|
it "logs a notice and remembers to call #{method} when it receives #{signal}" do
allow(Signal).to receive(:trap).with(signal).and_yield
expect(Puppet).to receive(:notice).with("Caught #{signal}; storing #{method}")
daemon.set_signal_traps
expect(daemon.signals).to eq([method])
end
end
end
describe "when starting" do
before do
allow(daemon).to receive(:set_signal_traps)
end
it "should create its pidfile" do
expect(pidfile).to receive(:lock).and_return(true)
daemon.start
end
it "should fail if it cannot lock" do
expect(pidfile).to receive(:lock).and_return(false)
expect { daemon.start }.to raise_error(RuntimeError, "Could not create PID file: #{pidfile.file_path}")
end
it "disables the reparse of configs if the filetimeout is 0" do
Puppet[:filetimeout] = 0
daemon.start
expect(scheduler.jobs[0]).not_to be_enabled
end
end
describe "when stopping" do
before do
allow(Puppet::Util::Log).to receive(:close_all)
# to make the global safe to mock, set it to a subclass of itself,
# then restore it in an after pass
without_warnings { Puppet::Application = Class.new(Puppet::Application) }
end
after do
# restore from the superclass so we lose the stub garbage
without_warnings { Puppet::Application = Puppet::Application.superclass }
end
it 'should request a stop from Puppet::Application' do
expect(Puppet::Application).to receive(:stop!)
expect { daemon.stop }.to exit_with 0
end
it "should remove its pidfile" do
expect(pidfile).to receive(:unlock)
expect { daemon.stop }.to exit_with 0
end
it "should close all logs" do
expect(Puppet::Util::Log).to receive(:close_all)
expect { daemon.stop }.to exit_with 0
end
it "should exit unless called with ':exit => false'" do
expect { daemon.stop }.to exit_with 0
end
it "should not exit if called with ':exit => false'" do
daemon.stop :exit => false
end
end
describe "when reloading" do
it "should do nothing if the agent is running" do
expect(agent).to receive(:run).with({:splay => false}).and_raise(Puppet::LockError, 'Failed to aquire lock')
expect(Puppet).to receive(:notice).with('Not triggering already-running agent')
daemon.reload
end
it "should run the agent if one is available and it is not running" do
expect(agent).to receive(:run).with({:splay => false})
expect(Puppet).not_to receive(:notice).with('Not triggering already-running agent')
daemon.reload
end
end
describe "when restarting" do
before do
without_warnings { Puppet::Application = Class.new(Puppet::Application) }
end
after do
without_warnings { Puppet::Application = Puppet::Application.superclass }
end
it 'should set Puppet::Application.restart!' do
expect(Puppet::Application).to receive(:restart!)
allow(daemon).to receive(:reexec)
daemon.restart
end
it "should reexec itself if no agent is available" do
expect(daemon).to receive(:reexec)
daemon.restart
end
it "should reexec itself if the agent is not running" do
expect(daemon).to receive(:reexec)
daemon.restart
end
end
describe "when reexecing it self" do
before do
allow(daemon).to receive(:exec)
allow(daemon).to receive(:stop)
end
it "should fail if no argv values are available" do
expect(daemon).to receive(:argv).and_return(nil)
expect { daemon.reexec }.to raise_error(Puppet::DevError)
end
it "should shut down without exiting" do
daemon.argv = %w{foo}
expect(daemon).to receive(:stop).with({:exit => false})
daemon.reexec
end
it "should call 'exec' with the original executable and arguments" do
daemon.argv = %w{foo}
expect(daemon).to receive(:exec).with($0 + " foo")
daemon.reexec
end
end
end
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