Re: How to make global variable with summary value

Why is this not in my inbox?

On Thursday, August 5, 2021 at 7:13:15 AM UTC-5 [email protected] wrote:

> Hello all,
> I know that is a very bad idea for cfengine but I want counting
> modifications by cfengine. I prepared small testing example:
>
> bundle common success_add(value) {
> vars:
> "sum" string => eval("${sum} + ${value}", "math", "infix"),
> if => isvariable("sum");
>
> "sum" string => "${value}",
> unless => isvariable("sum");
>
> reports:
> "success: add=${value}, total=${sum}";
> }
>
> bundle agent summary {
> reports:
> "SUMMARY: ${success_add.sum}";
> }
>
> bundle agent __main__ {
> methods:
> "add_100" usebundle => success_add("100");
> "add_010" usebundle => success_add("10");
> "add_001" usebundle => success_add("1");
> "summary";
> }
>
>
> I expect SUMMARY=111 but i get very different result:
>
> R: success: add=100, total=400.000000
> R: success: add=100, total=500.000000
> R: success: add=100, total=600.000000
> R: success: add=10, total=630.000000
> R: success: add=10, total=640.000000
> R: success: add=10, total=650.000000
> R: success: add=1, total=653.000000
> R: success: add=1, total=654.000000
> R: success: add=1, total=655.000000
> R: SUMMARY: 655.000000
>
> OK, cfengine runs every bundle 3 times. Does there exist any solution
> to get the total value 111? Why is the result 655 and not 666?
>
> Thanks for any ideas.
> Michal Svamberg
>

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