[chef] lwrp and special behavior

[Uwe Bartels < >]

Hiho,

I have problems integrating a special handling in lwrp.

In an apache karaf osgi installation I want to install additional osgi
bundles. Especially after the initial start I need to wait until the
state of all osgi bundles is "Active" before installing new ones.

Technically no so difficult. But additionally I don't want to see in the
output of chef that chef is actually doing something.

In normal chef mode - the resource should either run into an exception
on error, wait until the state of the osgi server is well or time out.
so if everything is fine I allways want to see the output
  * karaf_server[wait until all osgi modules are ready] action wait (up
to date)

In why-run similar, it could give the same output or no output at all,
but never does anything - no checking.

How can I achieve that?


Currently I have a small lwrp that has no converge_by method and set
new_resource.updated_by_last_action(false). That works well in normal
chef mode but of course not in whyrun mode, when the "client" command is
not available.

def whyrun_supported?
  true
end

use_inline_resources

action :wait do

  wait_for_serverstart_finish(new_resource.client)
  new_resource.updated_by_last_action(false)
end

def wait_for_serverstart_finish(client)
  Chef::Log.debug "calling: wait_for_serverstart_finish(#{client})"
  cmdStr = "#{client} 'osgi:list -s -t 0'|egrep '^\['|egrep -v
'Active'|wc -l|grep '^0$' >/dev/null"
  shell = Mixlib::ShellOut.new(cmdStr,{:timeout=>600})
  shell.run_command
  maxtries=60
  tries=1
  while (shell.exitstatus == 0 && tries<maxtries) do
    sleep(1)
    shell.run_command
    tries+=1
  end
  shell.error! # raise an exception on error
end



Any help is appreciated.

Best...
Uwe