Isn't it feasible for you to simply do
- hosts: mysql
sudo: yes
tasks:
- cron: name="database backup" hour={{ hour }} user="root" job=
"backup_db.sh" cron_file=database_backup
and then in your host_vars/member_of_mysql_group, you would have
hour: "01"
and so on?
On Wednesday, 14 January 2015 09:37:02 UTC+1, Laurent Goussard wrote:
>
> Thanks, but as I said, I tried to loop over the group list, but I cannot
> get any iteration key.
>
> I try to loop over a hosts group and getting an index of the current
> iteration in order to set a cron task at midnight for the first host, 01am
> for the second, 02am for the third, etc...
>
> Le mardi 13 janvier 2015 20:47:22 UTC+1, Dan Vaida a écrit :
>>
>> to iterate over a hosts group you need with_items: groups['mysql']
>> instead of with_dict
>>
>> On Tuesday, 13 January 2015 09:41:07 UTC+1, Laurent Goussard wrote:
>>>
>>> Hello,
>>>
>>> I try to setup a cron task using ansible (indeed) on my db slave pool.
>>> This cron task is supposed to stop the replication process, dump the
>>> database and restart replication.
>>> Because the backup takes a little time, I don't want to init the cron
>>> task at the same time on all the db slaves and I don't want to stop all the
>>> slaves at the same times either.
>>>
>>> My first idea was to set a different time while looping on the group.
>>> But it's definitely not as trivial as it seems :
>>>
>>> - name: database backup cron task
>>> cron: name="database backup" hour={{ item.key }} user="root" job=
>>> "backup_db.sh" cron_file=database_backup
>>> with_dict: groups.mysql
>>>
>>> The point is an inventory group is a list, not a dictionnary and I
>>> cannot find any simple way to convert a list to a dict (whereas it's easy
>>> to convert a dict as a list)
>>> I also tried to use the group list instead, but I cannot figure out how
>>> I can get an iterator key.
>>>
>>> Did I miss something ? Do you have any clue regarding my (not so complex
>>> imho) problem ?
>>>
>>
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