Hi I have seen ur resolutions in this page i.
I am also having the same issue with nested loops .
my scenario is nothing but th*e matrix multiplication of n*n*
Can some one please suggest how to implement it using ansible loops along
with adding conidition of count ++ and count --
On Monday, June 12, 2017 at 6:39:28 PM UTC+5:30, Q wrote:
>
> Guillaume,
>
> I have exactly the same problem with setting up OSD via ADM host and I was
> pulling my hair for 2 days.
> I don't know how to thank you:)
>
>
> On Wednesday, December 11, 2013 at 3:24:37 PM UTC+1, Guillaume Subiron
> wrote:
>>
>> After reading nested.py and realizing it would never do what I wanted,
>> I found a workaround.
>>
>> On each ceph-ODSs :
>>
>> - delegate_to: "{{ ceph-admin }}"
>> shell: echo {{ inventory_hostname }}-{{ item }}
>> with_items: disks
>>
>>
>>
>> Anyway, thank you very much for your help :)
>>
>>
>> Le 13/12/11 14:53, Guillaume Subiron claviotta :
>> > Hum, this is not what I'm looking for, because my action is not
>> > executed on the ceph-OSDs, but on another host (a centralized admin
>> > node).
>> > In this playbook, I'm not doing anything on the ceph-OSDs.
>> >
>> > What I need to do (only on my admin node) is :
>> >
>> > - shell: echo {{ item.0 }}-{{ item.1 }}
>> > with_nested:
>> > - groups['ceph-OSDs']
>> > - the disks of the current item in the "groups['ceph-OSDs']" loop
>> >
>> > I want it to print (on the admin host) :
>> >
>> > osd0-sdb
>> > osd1-sdb
>> > osd1-sdc
>> >
>> > Do you understand the problem ? I don't see any workaround. This is a
>> > matter of syntax.
>> >
>> >
>> > Le 13/12/11 08:24, Michael DeHaan claviotta :
>> > > I think you probably want this:
>> > >
>> > > - shell: echo {{ item.0 }}-{{item.1 }}
>> > > with_together:
>> > > - groups['ceph-OSDs']
>> > > - disks
>> > >
>> > > this will print for the first host
>> > >
>> > > osd0-sdb
>> > > osd1-sdb
>> > >
>> > > and for the second host
>> > >
>> > > osd0-sdb
>> > > osd0-sdc
>> > > osd1-sdb
>> > > osd1-sdc
>> > >
>> > > Let me know if that works for you and if I'm missing something we'll
>> figure
>> > > it out.
>> > >
>> > > Thanks!
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > On Wed, Dec 11, 2013 at 8:21 AM, Guillaume Subiron <
>> [email protected]>wrote:
>> > >
>> > > > Le 13/12/11 08:05, Michael DeHaan claviotta :
>> > > > > Before we dive into a technical solution let me understand your
>> use case
>> > > > > and what you are modelling a bit better.
>> > > > >
>> > > > > So groups['ceph-ODSs'] would be all machines in the ceph-ODSs
>> group.
>> > > >
>> > > > That's right.
>> > > >
>> > > > >
>> > > > > I'd probably just define a variable like "disks" on the group,
>> but I'm
>> > > > > unclear why that wouldn't work in your case.
>> > > > >
>> > > > > I could probably understand more if I could see how "disks"
>> differs
>> > > > between
>> > > > > hosts.
>> > > >
>> > > > It's simple, my Ceph OSD (storage nodes) are all différents. Some
>> > > > contains 2 hard drives (sdb, sdc), some contains 10 (sdb, sdc,
>> sdd…).
>> > > > "disks" is a list of hard drives, which is different from one host
>> to
>> > > > another. ex:
>> > > >
>> > > > inventory
>> > > >
>> > > > osd0
>> > > > osd1
>> > > >
>> > > > [ceph-OSDs]
>> > > > osd0
>> > > > osd1
>> > > >
>> > > > host_vars/osd0
>> > > >
>> > > > disks:
>> > > > - sdb
>> > > >
>> > > > host_vars/osd1
>> > > >
>> > > > disks:
>> > > > - sdb
>> > > > - sdc
>> > > >
>> > > > In my nested loop, I need to loop over the Ceph Storage nodes and
>> > > > their hard drive. The hard drive list is an host variable
>> (accessible
>> > > > by hostvars[osd0]['disks'], for instance).
>> > > >
>> > > > With the example above, I want my playbook to do :
>> > > >
>> > > > ceph_deploy osd prepare osd0:sda
>> > > > ceph_deploy osd prepare osd1:sda
>> > > > ceph_deploy osd prepare osd1:sdb
>> > > >
>> > > > > > > On 11 December 2013 09:53, Guillaume Subiron <
>> [email protected]>
>> > > > > > wrote:
>> > > > > > >
>> > > > > > > > Hi,
>> > > > > > > >
>> > > > > > > > I'm trying to do a special kind of nesting loop, using the
>> item of
>> > > > the
>> > > > > > > > first loop in the second loop:
>> > > > > > > >
>> > > > > > > > - name: Prepare OSDs
>> > > > > > > > shell: ceph-deploy osd prepare {{ item[0] }}:{{ item[1]
>> }}
>> > > > > > > > with_nested:
>> > > > > > > > - groups['ceph-ODSs']
>> > > > > > > > - hostvars[item[0]]['disks']
>> > > > > > > >
>> > > > > > > > I'm not sure if this is possible, but I can't find any
>> workaround.
>> > > > > > > >
>> > > >
>> > > > --
>> > > > Guillaume Subiron
>> > > > Mail - [email protected]
>> > > > GPG - C7C4 455C
>> > > > Jabber - [email protected]
>> > > > IRC - maethor@(freenode|geeknode)
>> > > >
>> > > > --
>> > > > You received this message because you are subscribed to the Google
>> Groups
>> > > > "Ansible Project" group.
>> > > > To unsubscribe from this group and stop receiving emails from it,
>> send an
>> > > > email to [email protected].
>> > > > For more options, visit https://groups.google.com/groups/opt_out.
>> > > >
>> > >
>> > >
>> > >
>> > > --
>> > > Michael DeHaan <[email protected]>
>> > > CTO, AnsibleWorks, Inc.
>> > > http://www.ansibleworks.com/
>> > >
>> > > --
>> > > You received this message because you are subscribed to the Google
>> Groups "Ansible Project" group.
>> > > To unsubscribe from this group and stop receiving emails from it,
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>> >
>> > --
>> > Guillaume Subiron
>> > Mail - [email protected]
>> > GPG - C7C4 455C
>> > Jabber - [email protected]
>> > IRC - maethor@(freenode|geeknode)
>> >
>> > --
>> > You received this message because you are subscribed to the Google
>> Groups "Ansible Project" group.
>> > To unsubscribe from this group and stop receiving emails from it, send
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>> > For more options, visit https://groups.google.com/groups/opt_out.
>>
>> --
>> Guillaume Subiron
>> Mail - [email protected]
>> GPG - C7C4 455C
>> Jabber - [email protected]
>> IRC - maethor@(freenode|geeknode)
>>
>
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