Forum: CFEngine Help
Subject: Re: Using Variables in insert lines
Author: sauer
Link to topic: https://cfengine.com/forum/read.php?3,24417,24531#msg-24531
zzamboni Wrote:
-------------------------------------------------------
> It shouldn't be too hard to make a version
> of set_config_values() that takes arrays and makes
> one line per value in the array. Maybe I'll take a
> stab at it when I have some time.
Wouldn't that just be the "append_if_no_lines" bundle, called with a "lines"
slist generated by something like this:
"temp_key_list" slist => getindices("config_array");
"temp_line_arr[$(temp_key_list) $(config_array[$(temp_key_list)])]" string =>
"1";
"lines" slist => getindices("temp_line_arr"), policy => "free";
(the lines slist definition is "free" because warnings about reassignment are
generated otherwise. Seemingly the recursion-limited variable dependency
resolver dealie (which is what that procedure should be called if it's not
already :)) doesn't catch the fairly deep recursive dependency there. Moving
@lines to a separate bundle which takes temp_line_arr as a parameter would
resolve that issue as well, but there's no reason to not just make it a free
variable, as the end result of inserting lines won't be adversely impacted by
getting called with a null list in the first iteration.
BTW, it seems like it'd be handy if we could use handle and depends{}
attributes on variables to provide hints to the agent (etc.) about resolving
variable interdependency when cf-promises can't. Maybe?
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