"Adding some details:
1. node A is running some java app
2. node B is running another app which in turn can generate some 'load' for
node A
in terms of states I need not only have app 'started' on node A but also
have it 'warmed up'. as warming up a java process is a complex task the
only way to put app in 'warmed up' state is to organize feedback loop
between A and B and stop warmup runs (on B) as soon as number of
compiled/recompiled methods by hotspot drops to certain level. At this
point you'll get some 'confidence' that app is warmed up and you can
proceed further
ansible has a way of repeating single task but for some (may be good)
reason there is no way of repeating 'composite task' (which is what roles
are to my understanding) "
- hosts: java
tasks:
- # steps to wait for it to be started
- hosts: load_generators
tasks:
- # steps to generate load against java boxes, using delegate_to: "{{
item }}" and with_items: groups.java ?
On Thu, Jun 26, 2014 at 12:34 PM, Jerome Wagner <[email protected]> wrote:
> Hello,
>
> I haven't tried it but maybe you can loop over an 'include' task ? have
> you tried it already ?
>
> - include: warmup.yml
> register: result
> until: result.stdout.find("all systems go") != -1
> retries: 5
> delay: 10
>
>
>
> Le jeudi 26 juin 2014 18:25:55 UTC+2, Nick Evgeniev a écrit :
>
>> Adding some details:
>> 1. node A is running some java app
>> 2. node B is running another app which in turn can generate some 'load'
>> for node A
>>
>> in terms of states I need not only have app 'started' on node A but also
>> have it 'warmed up'. as warming up a java process is a complex task the
>> only way to put app in 'warmed up' state is to organize feedback loop
>> between A and B and stop warmup runs (on B) as soon as number of
>> compiled/recompiled methods by hotspot drops to certain level. At this
>> point you'll get some 'confidence' that app is warmed up and you can
>> proceed further
>>
>> ansible has a way of repeating single task but for some (may be good)
>> reason there is no way of repeating 'composite task' (which is what roles
>> are to my understanding)
>>
>> On Wednesday, 25 June 2014 19:20:37 UTC-5, Michael DeHaan wrote:
>>>
>>>
>>> I would benefit by a more specific example so I can understand what you
>>> mean.
>>>
>>>
>>> On Wed, Jun 25, 2014 at 5:13 PM, Nick Evgeniev <[email protected]>
>>> wrote:
>>>
>>>> yep. exactly the case. at the moment this logic is implemented using
>>>> .sh script.. so looks like the best option is to mix .sh with ansible (for
>>>> pure deployment tasks). Will take a look into Fabric .. though I'd like to
>>>> avoid introducing new tool for every simple task :)
>>>>
>>>>
>>>> On Wednesday, 25 June 2014 16:01:57 UTC-5, Dmitry Makovey wrote:
>>>>>
>>>>> does that mean you're running cross-host function that takes params
>>>>> from A and B and returns value on B? And you expect certain value on B
>>>>> before you move forward? I'm not an expert but it doesn't seem to be
>>>>> Ansible domain. Maybe Fabric would be a better fit?
>>>>>
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