Felix,
On Dec 13, 2010, at 5:52 PM, Felix Frank wrote:
>
> Am I right to assume that
> test -f /does_not_exist *always* returns 1 and
> test -d / *always* returns 0?
Yes.
I should be more clear, because I need an \not\exists operator.
If one or more conditions fail I want to run the command.
Below I have a written a solution using "unless" with "&&".
> If so, I don't see the problem ;/
> Either both pass (onlyif) or both fail (unless).
> Use "test -f /does_not_exist || test -d /" to accept either one passing.
That works, but it is not what I am searching for.
Have a look here:
# does not run if both conditions fail
$ puppet -e ' Exec { path => "/usr/bin:/bin:/usr/sbin:/sbin" }
exec { "run_rsn":
command => "touch /bar",
onlyif => [ "test -f /does_not_exist || test -d /no"]}'
# does run if one condition fail
$ puppet -e ' Exec { path => "/usr/bin:/bin:/usr/sbin:/sbin" }
exec { "run_rsn":
command => "touch /bar",
onlyif => [ "test -f /does_not_exist || test -d /"]}'
notice: /Stage[main]//Exec[run_rsn]/returns: executed successfully
Otherwise there is unless, but it did not work as I need, too.
# does not run if one condition fail
$ puppet -e ' Exec { path => "/usr/bin:/bin:/usr/sbin:/sbin" }
exec { "run_rsn":
command => "touch /bar",
unless => [ "test -f /does_not_exist || test -d /"]}'
# does run if both conditions fail
$ puppet -e ' Exec { path => "/usr/bin:/bin:/usr/sbin:/sbin" }
exec { "run_rsn":
command => "touch /bar",
unless => [ "test -f /does_not_exist || test -d /foo"]}'
notice: /Stage[main]//Exec[run_rsn]/returns: executed successfully
A solution is &&, but I don't think that it is "nice" to use if
there are onlyif and unless.
# does run if one condition fail
$ puppet -e ' Exec { path => "/usr/bin:/bin:/usr/sbin:/sbin" }
exec { "run_rsn":
command => "touch /bar",
unless => [ "test -f /does_not_exist && test -d /"]}'
notice: /Stage[main]//Exec[run_rsn]/returns: executed successfully
# does run if both conditions fail
$ puppet -e ' Exec { path => "/usr/bin:/bin:/usr/sbin:/sbin" }
exec { "run_rsn":
command => "touch /bar",
unless => [ "test -f /does_not_exist && test -d /foo"]}'
notice: /Stage[main]//Exec[run_rsn]/returns: executed successfully
Thanks anyway all the best, Sandor Szücs
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