I did just notice this line, which should remove the .shuffle so it's
consistent on every run:
server_list = @_ldap_servers.shuffle
Rob Nelson
rnels...@gmail.com
On Mon, Jul 24, 2017 at 7:45 AM, Martijn <mart...@heemels.com> wrote:
> I think that's perfect for the OP's use case. And if you need multiple
> random numbers there's a useful second parameter to fqdn_rand(), the
> "seed", which can be any string or integer and allows you to get multiple
> different random numbers on the same host.
>
> So, you could use the server_list.size as the seed to get a different but
> number after you pop off an item from your server_list array.
> --
> Martijn
>
> Op zondag 23 juli 2017 16:51:17 UTC+2 schreef Rob Nelson:
>>
>> You could try fqdn_rand(). Fqdn_rand will generate a random number, but
>> the same random number for a given fqdn, so you would get the same value
>> every time rather than it changing. https://docs.puppet.
>> com/puppet/latest/function.html#fqdnrand
>>
>> On Sun, Jul 23, 2017 at 1:20 AM MK <mizuk...@gmail.com> wrote:
>>
>>> Does anyone have experiences randomizing the order of redundant server
>>> names in the client configuration and won't change the order during next
>>> puppet agent runs?
>>>
>>> For example, I have a bunch of ldap slave servers put in an array:
>>>
>>> $_ldap_servers = ['ldap1' , 'ldap2', 'ldap3']
>>>
>>> I want to randomize the order in the client config (ex, nslcd.conf or
>>> sssd.conf ) so they don't always hit the same ldap server.
>>>
>>> ex:
>>> ldap_search_base = dc=example, dc=com
>>> ldap_uri = ldaps://ldap2 ldaps://ldap0 ldaps://ldap3
>>>
>>> What I did so far is that in the ERB template, I put the following code:
>>> ````
>>> ldap_uri = <%
>>> server_list = @_ldap_servers.shuffle
>>> server_list.size.times do
>>> server = server_list[rand(server_list.size)] -%>ldaps://<%=
>>> server -%>/ <%
>>> server_list.delete(server)
>>> end %>
>>> ```
>>> It was working well with Rack based puppetmaster 3.x, but after
>>> upgrading to puppetserver 2.7.x, it changes the order every time when agent
>>> runs.
>>>
>>> Does anyone have any suggestions?
>>> Thanks so much!
>>>
>>> MK
>>>
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>> --
>> Rob Nelson
>>
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