mustache template in dryrun mode does not work as expected

[HJ Ko]

Hi,

if I use mustache template in warn-mode, the outcome classes are not set as expected.

I'v saved the example as /root/exapmle.cf:




body common control
{
      inputs => {
                  "/var/cfengine/inputs/lib/common.cf",
      };
}

bundle agent example
{
  vars:
      "result_classes" slist => classesmatching("result.*");

  files:
      "/tmp/example.cf.output"
        template_method => 'mustache',
        edit_template => "/root/example.cf",
        action => policy("warn"),
        classes => classes_generic("result");

  reports:
      "RESULT: $(result_classes)";
}

1) First run:

[root@vphub ~]# cf-agent -KI -f ./example.cf -b example
    info: Using command line specified bundlesequence
   error: Promised to edit '/tmp/example.cf.output', but file does not exist
R: RESULT: result_reached
R: RESULT: result_not_kept
R: RESULT: result_failed
R: RESULT: result_error
R: RESULT: result_not_ok

Works as expected.

2) I'll create the file for cfengine, and rerun:

[root@vphub ~]# touch /tmp/example.cf.output ; cf-agent -KI -f ./example.cf -b example
    info: Using command line specified bundlesequence
 warning: Need to render '/tmp/example.cf.output' from mustache template '/root/example.cf' but policy is dry-run
[root@vphub ~]#

I'm seeing no "result" classes, should'nt they be set?

3) Finally, I ensure that the promise is met and rerun:

Code hier ei[root@vphub ~]# cp /root/example.cf /tmp/example.cf.output ; cf-agent -KI -f ./example.cf -b example
    info: Using command line specified bundlesequence
R: RESULT: result_reached
R: RESULT: result_kept
R: RESULT: result_ok

That works again like expected.

4) When I changed "template_method" from "mustache" to "cfengine", the output is like expected:

[root@vphub ~]# rm /tmp/example.cf.output[root@vphub ~]# touch /tmp/example.cf.output ; cf-agent -KI -f ./example.cf -b example
    info: Using command line specified bundlesequence
 warning: File content wants to change from from/to full/empty but only a warning promised
[...]
 warning: Should edit file '/tmp/example.cf.output' but only a warning promised
R: RESULT: result_reached
R: RESULT: result_not_kept
R: RESULT: result_failed
R: RESULT: result_error
R: RESULT: result_not_ok

Is it a bug that the result*-classes in run 2 are not set?

cfengine version: 3.10.0


HJ

[Nick Anderson]

Yes, this looks like a bug to me.

https://tracker.mender.io/browse/CFE-2600

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