On 09/02/10 14:14, Rafael G. wrote:
> Robin Bowes wrote:
>> Is it possible to make tasks optional, ie. so they simply don't execute
>> if no hosts are returned for their roles?
>>
> Try adding on_error parameter to your task. Example:
> task :foo, :on_error => :continue do
> ...
> end
Rafael,
Thanks - that worked, but I don't really want to trap errors like that -
if the task actually does fail when running on a machine that exists I
want to be notified.
What I'd like is for :foo to be a noop if :foo_roles is empty
eg, given this:
task :set_data_perms, :roles => [:partition] do
print " setting ownership of data dir.\n"
run "chown statcounter:statcounter #{release_path}/data"
end
if :partition is empty, :set_data_perms should just not do anything
rather than fail and complain that :partition is empty.
Is that currently possible? If not, is it a change that might be
considered? I'd offer a patch but a) my ruby-foo is not good enough, and
b) my knowledge of capistrano is not sufficient.
R.
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