Here is a detailed description of my original idea:
http://rosstuck.com/multistage-environments-with-ansible/
It seems that the concept was not obvious for others either. But afer a
little digging they come up with the same concept... ;-)
Regards:
Bence
On Thu, Dec 25, 2014 at 5:17 PM, Bence Takács <[email protected]>
wrote:
> I found that:
>
> http://stackoverflow.com/questions/18195142/safely-limiting-ansible-playbooks-to-a-single-machine
>
> 2014. december 25., csütörtök 16:41:17 UTC+1 időpontban Bence Takács a
> következőt írta:
>
>> Thanks, Brian
>>
>> ...and what if i just don't want to declare it in the playbook?
>> Can I make the environment a parameter for the playbook?
>>
>> hosts: "databases:&{{env}}"
>>
>>
>> or when calling the playbook:
>>
>> ansible-playbook example.yml --limit test1
>>
>>
>>
>> Regards:
>> Bence
>>
>> 2014. december 23., kedd 13:35:07 UTC+1 időpontban Brian Coca a
>> következőt írta:
>>>
>>> hosts: databases:&test1
>>>
>>> ^ will make the playbook target only hosts that exist in both groups
>>> http://docs.ansible.com/intro_patterns.html#patterns
>>>
>>> On Mon, Dec 22, 2014 at 10:22 PM, Bence Takács <[email protected]>
>>> wrote:
>>> >
>>> > I have environments that contain different nodes of different
>>> roles/types
>>> > like: databases, webservers, load-balancers.
>>> > Sometimes I need to call every server of the same role/type, but
>>> sometimes I
>>> > need to address an environment.
>>> >
>>> > e.g.:
>>> >>
>>> >> [databases]
>>> >> test1.db.my.com ansible_ssh_host=192.168.1.200
>>> ansible_ssh_user=...
>>> >> test2.db.my.com ansible_ssh_host=192.168.1.201
>>> ansible_ssh_user=...
>>> >>
>>> >> [webservers]
>>> >> test1.web.my.com ansible_ssh_host=192.168.1.300
>>> ansible_ssh_user=...
>>> >> test2.web.my.com ansible_ssh_host=192.168.1.301
>>> ansible_ssh_user=...
>>> >>
>>> >> [load-balancers]
>>> >> test1.lb.my.com ansible_ssh_host=192.168.1.400
>>> ansible_ssh_user=...
>>> >> test2.lb.my.com ansible_ssh_host=192.168.1.401
>>> ansible_ssh_user=...
>>> >>
>>> >> [test1]
>>> >> test1.db.my.com
>>> >> test1.web.my.com
>>> >> test1.lb.my.com
>>> >>
>>> >> [test2]
>>> >> test2.db.my.com
>>> >> test2.web.my.com
>>> >> test2.lb.my.com
>>> >
>>> >
>>> > So sometimes I need to run some update on all 'webservers', but
>>> sometimes I
>>> > want to stop and reconfigure all servers in 'test2'.
>>> >
>>> > At last I need to address a specific environment and do things on
>>> different
>>> > nodes iin sequence, e.g.
>>> > - ping the 'database' inside
>>> > - 'df -h' all the webservers
>>> > - then 'free -m' all the load-balancers
>>> >
>>> > How could I tell that the following playbook is only for 'test1'
>>> environment
>>> > and I need to run the 'databases' part of the playbook only for the
>>> > databases inside that environment?
>>> >
>>> > What are the starting points or steps? Topics I should read?
>>> >
>>> > Regards:
>>> > Bence
>>> >
>>> > --
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>>>
>>>
>>>
>>> --
>>> Brian Coca
>>>
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