Re: variable if class

Xander Cage <[email protected]> writes:

Hi Xander,

You were missing the `$(user)' variable in your condition guarding your
/reports/ type promise. Also, you were populating `ssh_key' with the
value of the iterated `$(user)', so it will only ever hold the last
iterated value. Instead, you can define a variable for each user ...

,----
| bundle agent var_if_test {
| 
|   vars:
|       "user" slist => {"schast", "wimm", "schama" };
| 
|       #"ssh_key_dir" string => "/root/cfe_testbed/user_ssh_keys";
|       "ssh_key_dir" string => "/tmp";
| 
|       "ssh_key_$(user)"      string => readfile("$(ssh_key_dir)/$(user).cf"),
|         if => "exists_ssh_key_$(user)";
| 
|   classes:
| 
|       "exists_ssh_key_$(user)"
|         expression => fileexists("$(ssh_key_dir)/$(user).cf");
| 
|   reports:
| 
|       "CFEngine $(sys.cf_version)";
| 
|       "$(user) -> $(ssh_key_$(user))"
|         if => "exists_ssh_key_$(user)";
| 
|       "ABSENT: $(user)"
|         unless => "exists_ssh_key_$(user)";
| 
| }
| 
| bundle agent __main__
| {
|   methods:
|       "var_if_test";
| }
`----
Listing 1: Example Policy

,----
| R: CFEngine 3.19.0a.da01eaa81
| R: wimm -> hello
| R: ABSENT: schast
| R: ABSENT: schama
`----

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-- 
Nick Anderson | Doer of Things | (+1) 785-550-1767 | https://northern.tech

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