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require 'puppet/application'
class Puppet::Application::Kick < Puppet::Application
should_not_parse_config
attr_accessor :hosts, :tags, :classes
option("--all","-a")
option("--foreground","-f")
option("--debug","-d")
option("--ping","-P")
option("--test")
option("--host HOST") do |arg|
@hosts << arg
end
option("--tag TAG", "-t") do |arg|
@tags << arg
end
option("--class CLASS", "-c") do |arg|
@classes << arg
end
option("--no-fqdn", "-n") do |arg|
options[:fqdn] = false
end
option("--parallel PARALLEL", "-p") do |arg|
begin
options[:parallel] = Integer(arg)
rescue
$stderr.puts "Could not convert #{arg.inspect} to an integer"
exit(23)
end
end
def run_command
@hosts += command_line.args
options[:test] ? test : main
end
def test
puts "Skipping execution in test mode"
exit(0)
end
def main
require 'puppet/network/client'
Puppet.warning "Failed to load ruby LDAP library. LDAP functionality will not be available" unless Puppet.features.ldap?
require 'puppet/util/ldap/connection'
todo = @hosts.dup
failures = []
# Now do the actual work
go = true
while go
# If we don't have enough children in process and we still have hosts left to
# do, then do the next host.
if @children.length < options[:parallel] and ! todo.empty?
host = todo.shift
pid = fork do
run_for_host(host)
end
@children[pid] = host
else
# Else, see if we can reap a process.
begin
pid = Process.wait
if host = @children[pid]
# Remove our host from the list of children, so the parallelization
# continues working.
@children.delete(pid)
failures << host if $CHILD_STATUS.exitstatus != 0
print "#{host} finished with exit code #{$CHILD_STATUS.exitstatus}\n"
else
$stderr.puts "Could not find host for PID #{pid} with status #{$CHILD_STATUS.exitstatus}"
end
rescue Errno::ECHILD
# There are no children left, so just exit unless there are still
# children left to do.
next unless todo.empty?
if failures.empty?
puts "Finished"
exit(0)
else
puts "Failed: #{failures.join(", ")}"
exit(3)
end
end
end
end
end
def run_for_host(host)
if options[:ping]
out = %x{ping -c 1 #{host}}
unless $CHILD_STATUS == 0
$stderr.print "Could not contact #{host}\n"
next
end
end
require 'puppet/run'
Puppet::Run.indirection.terminus_class = :rest
port = Puppet[:puppetport]
url = ["https://#{host}:#{port}", "production", "run", host].join('/')
print "Triggering #{host}\n"
begin
run_options = {
:tags => @tags,
:background => ! options[:foreground],
:ignoreschedules => options[:ignoreschedules]
}
run = Puppet::Run.new( run_options ).save( url )
puts "Getting status"
result = run.status
puts "status is #{result}"
rescue => detail
puts detail.backtrace if Puppet[:trace]
$stderr.puts "Host #{host} failed: #{detail}\n"
exit(2)
end
case result
when "success";
exit(0)
when "running"
$stderr.puts "Host #{host} is already running"
exit(3)
else
$stderr.puts "Host #{host} returned unknown answer '#{result}'"
exit(12)
end
end
def initialize(*args)
super
@hosts = []
@classes = []
@tags = []
end
def preinit
[:INT, :TERM].each do |signal|
trap(signal) do
$stderr.puts "Cancelling"
exit(1)
end
end
options[:parallel] = 1
options[:verbose] = true
options[:fqdn] = true
options[:ignoreschedules] = false
options[:foreground] = false
end
def setup
if options[:debug]
Puppet::Util::Log.level = :debug
else
Puppet::Util::Log.level = :info
end
# Now parse the config
Puppet.parse_config
if Puppet[:node_terminus] == "ldap" and (options[:all] or @classes)
if options[:all]
@hosts = Puppet::Node.search("whatever", :fqdn => options[:fqdn]).collect { |node| node.name }
puts "all: #{@hosts.join(", ")}"
else
@hosts = []
@classes.each do |klass|
list = Puppet::Node.search("whatever", :fqdn => options[:fqdn], :class => klass).collect { |node| node.name }
puts "#{klass}: #{list.join(", ")}"
@hosts += list
end
end
elsif ! @classes.empty?
$stderr.puts "You must be using LDAP to specify host classes"
exit(24)
end
@children = {}
# If we get a signal, then kill all of our children and get out.
[:INT, :TERM].each do |signal|
trap(signal) do
Puppet.notice "Caught #{signal}; shutting down"
@children.each do |pid, host|
Process.kill("INT", pid)
end
waitall
exit(1)
end
end
end
end
|
