Yes Cristian, I understand that, but the issue is less the order of the
Execs in relation to each other, but when the Execs run in relation to the
config file resource and the package resource. I need for the stop Exec
to run before the package is installed, and then the start Exec to run.
This may be an issue with using Execs in the first place due to the way the
get collected and their execution strategy to reduce duplicate runs.
I'm hoping execution order is: File['Config'] -> Exec['stop'] ->
Package['foo'] -> Exec['start']
(In fact I used that exact ordering syntax at one point).
BTW, using:
Exec['stop'] -> Exec['start'] did cause stop to run before start, just
AFTER Package['foo'] is installed, so thank you for that. This doesn't
solve my issue however as I really need the stop to run before package
installation/upgrade.
Jake
On Friday, September 19, 2014 11:13:11 AM UTC-7, Cristian Falcas wrote:
>
> The order of resources in the manifest doesn't matter. Puppet will build a
> graph from all resources and dependencies and executes resources from the
> same level randomly.
>
> You need something like this:
>
> exec { "start":
> path =>
> "/usr/local/sbin/:/usr/local/jdk/bin:/bin:/sbin:/usr/sbin:/usr/bin",
> command => '/usr/local/sbin/control.sh start',
> refreshonly => true,
> logoutput => true,
> require => [File['/usr/local/sbin/control.sh'], Exec['stop'],
> }
>
>
>
>
> On Fri, Sep 19, 2014 at 8:59 PM, Jake Lundberg <jlun...@adconion.com
> <javascript:>> wrote:
>
>> Puppet 3.6.2
>>
>> First, I understand that Execs try not to run multiple times if called
>> many times by many resources and typically wait until they've all been
>> "collected" from all resources, but I have a specific case where I need
>> different Execs to run in a particular order based on a set of resources
>> that change.
>>
>> The basic pattern is:
>> 1. Install/update Configuration file (configuration gets updated on all
>> version changes)
>> 2. Stop Exec script subscribes to Configuration file
>> 3. Package Install/update notifies Start Exec script
>> 4. Package requires Configuration file
>>
>> The basic resource ordering in the manifest looks like:
>>
>> require foo::config # This contains the File['Config'] resource
>>
>> #This might be redundant, but trying to force this relationship
>> File['Config'] -> Package["foo"]
>>
>> package { ["foo"]:
>> ensure => "${version}-${release}",
>> notify => Exec['start']
>> }
>>
>> # Start, stop, restart functions for ads server
>> file {"/usr/local/sbin/control.sh":
>> source => "puppet:///modules/foo/control.sh",
>> ensure => present,
>> owner => root,
>> group => root,
>> mode => 0744,
>> }
>>
>> exec { "stop":
>> path =>
>> "/usr/local/sbin/:/usr/local/jdk/bin:/bin:/sbin:/usr/sbin:/usr/bin",
>> command => '/usr/local/sbin/control.sh stop',
>> refreshonly => true,
>> logoutput => true,
>> subscribe => File['Config'],
>> require => File['/usr/local/sbin/control.sh']
>> }
>>
>> exec { "start":
>> path =>
>> "/usr/local/sbin/:/usr/local/jdk/bin:/bin:/sbin:/usr/sbin:/usr/bin",
>> command => '/usr/local/sbin/control.sh start',
>> refreshonly => true,
>> logoutput => true,
>> require => File['/usr/local/sbin/control.sh']
>> }
>>
>>
>> However, when puppet apply runs this is what happens:
>>
>> 1. Configuration file is installed/updated, schedules a refresh of Stop
>> Exec
>> 2. Package is installed, schedules refresh of Start Exec
>> 3. Start Exec runs
>> 4. Stop Exec runs
>>
>> There's probably a better way of doing this (possibly with run stages),
>> I'm just curious why this plan does not work. I'm very open to
>> improvements.
>>
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>
>
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