And I should have pointed out that the "bundle resolvconf" etc, belongs in the
standard
library.
Mark Burgess wrote:
> Try something like this...
>
> CF2
> ---------------------------------------------------------------------------
>
> resolve:
>
> "search iu.hio.no cfengine.com"
> 128.39.89.10
> 158.36.85.10
> 129.241.1.99
>
>
> CF3
> ---------------------------------------------------------------------------
>
> vars:
>
> "resolvers" slist => { "128.39.89.10", "158.36.85.10", "129.241.1.99" };
>
> files:
>
> "$(sys.resolv)"
>
> edit_line => resolvconf("iu.hio.no cfengine.com",@(resolvers));
>
> bundle resolvconf(search,list)
> {
> delete_lines:
>
> "search.*";
>
> insert_lines:
>
> "search $(search)";
> "$(list)";
> }
>
>
> Aleksey Tsalolikhin wrote:
>> Well, alright. It's not making sense yet.
>>
>> I am working my way through the tutorial now
>> (http://www.cfengine.org/manuals/cf3-tutorial.pdf). Perhaps I'll find
>> a working example of iteration there.
>>
>> It's good you'll have something to make this clearer. I reckon it'll
>> help a lot.
>>
>> Aleksey
>>
>> On Tue, Dec 15, 2009 at 12:25 AM, Mark Burgess <mark.burg...@iu.hio.no>
>> wrote:
>>> In the approach given, the file is edited twice - once to add each line.
>>> You have to think "sub-routines". Editing is a bundle of promises itself.
>>>
>>> My Christmas bundle will help to make this clearer.
>>>
>>> Aleksey Tsalolikhin wrote:
>>>> Dear Brendan,
>>>>
>>>> I tried out your code below, expecting it to create
>>>>
>>>> search example.com
>>>> nameserver 192.168.1.1
>>>> nameserver 192.168.1.2
>>>>
>>>> but it only created:
>>>>
>>>> search example.com
>>>> nameserver 192.168.1.1
>>>>
>>>> I am using cfengine 3.0.2 community edition, and calling the code with
>>>> "cf-agent -f resolv.cf".
>>>>
>>>> Does this work for you? If so, what am I doing wrong?
>>>>
>>>> Thanks,
>>>> -at
>>>>
>>>>
>>>> On Sun, Dec 13, 2009 at 1:53 PM, Brendan Strejcek <strej...@gmail.com>
>>>> wrote:
>>>>> Currently there is no map() function, but you can get a similar result
>>>>> using iteration.
>>>>>
>>>>> body common control {
>>>>> bundlesequence => { 'example' };
>>>>> }
>>>>>
>>>>> bundle agent example {
>>>>> vars:
>>>>> any::
>>>>> 'nameserver' slist => { '192.168.1.1', '192.168.1.2' };
>>>>> 'search' string => 'example.com';
>>>>> 'resolv' string => '/tmp/resolv.conf';
>>>>> files:
>>>>> any::
>>>>> "${resolv}"
>>>>> create => 'true',
>>>>> edit_line => AppendIfNoSuchLine("search ${search}");
>>>>> "${resolv}"
>>>>> edit_line => AppendIfNoSuchLine("nameserver ${nameserver}");
>>>>> }
>>>>>
>>>>> bundle edit_line AppendIfNoSuchLine(line) {
>>>>> classes:
>>>>> 'line_absent' not => regline("^${line}$","${edit.filename}");
>>>>> insert_lines:
>>>>> line_absent::
>>>>> "${line}";
>>>>> }
>>>>>
>>>>> On Mon, Nov 30, 2009 at 6:53 AM, Matthias Teege <matthias-...@mteege.de>
>>>>> wrote:
>>>>>> Moin,
>>>>>>
>>>>>> I have a question about list substition. I want to create a resolv.conf
>>>>>> from variables.
>>>>>>
>>>>>> "dom" string => "example.com";
>>>>>> "dns" slist => { "192.168.1.1", "192.168.1.2" };
>>>>>>
>>>>>> It would be nice if i can use a generic add_line macro like this one:
>>>>>>
>>>>>> bundle edit_line add_line(value) {
>>>>>> insert_lines:
>>>>>> "${value}";
>>>>>> }
>>>>>>
>>>>>> I can create a new list and use add_line:
>>>>>>
>>>>>> "resolv" slist => { "search $(dom)", @(dns) };
>>>>>>
>>>>>> "resolv.conf"
>>>>>>
>>>>>> edit_line => add_line (@(resolv));
>>>>>>
>>>>>> But this does not give me a usefull resolv.conf because I missing
>>>>>> "nameserver". Something like
>>>>>>
>>>>>> "resolv" slist => { "search $(dom)", "nameserver $(dns)" };
>>>>>>
>>>>>> does not work.
>>>>>>
>>>>>> Is it possible to "simulate" some kind of map function or list
>>>>>> comprehension in cfe3? In python I can write:
>>>>>>
>>>>>> [ "nameserver %s" % h for h in ('192.168.1.1', '192.168.1.2') ]
>>>>>>
>>>>>> which gives me a new list.
>>>>>>
>>>>>> ['nameserver 192.168.1.1', 'nameserver 192.168.1.2']
>>>>>>
>>>>>> Is there something simular in cfe?
>>>>>>
>>>>>> Many thanks
>>>>>> Matthias
>>>>>>
>>>>>> _______________________________________________
>>>>>> Help-cfengine mailing list
>>>>>> Help-cfengine@cfengine.org
>>>>>> https://cfengine.org/mailman/listinfo/help-cfengine
>>>>>>
>>>>> _______________________________________________
>>>>> Help-cfengine mailing list
>>>>> Help-cfengine@cfengine.org
>>>>> https://cfengine.org/mailman/listinfo/help-cfengine
>>>>>
>>>> _______________________________________________
>>>> Help-cfengine mailing list
>>>> Help-cfengine@cfengine.org
>>>> https://cfengine.org/mailman/listinfo/help-cfengine
>>> --
>>> Mark Burgess
>>>
>>> -------------------------------------------------
>>> Professor of Network and System Administration
>>> Oslo University College, Norway
>>>
>>> Personal Web: http://www.iu.hio.no/~mark
>>> Office Telf : +47 22453272
>>> -------------------------------------------------
>>>
>> _______________________________________________
>> Help-cfengine mailing list
>> Help-cfengine@cfengine.org
>> https://cfengine.org/mailman/listinfo/help-cfengine
>
--
Mark Burgess
-------------------------------------------------
Professor of Network and System Administration
Oslo University College, Norway
Personal Web: http://www.iu.hio.no/~mark
Office Telf : +47 22453272
-------------------------------------------------
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