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Puppet puzzle : parametrized classes - common logic
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| #First class = role web (calls logstash::common to setup directory structure) | |
| class logstash::web( | |
| $version = '1.1.0beta8' | |
| ) { | |
| if !defined(Class['logstash::common']) { | |
| class {'logstash::common': | |
| version => $version | |
| } | |
| } | |
| } | |
| #Second class = role shipper (calls logstash::common to setup directory structure) | |
| class logstash::shipper( | |
| $version = '1.1.0beta8' | |
| ) { | |
| if !defined(Class['logstash::common']) { | |
| class {'logstash::common': | |
| version => $version | |
| } | |
| } | |
| } | |
| # Now on the same node: | |
| class {'logtash::web':} | |
| class {'logtash::shipper':} | |
| #---> this will tell me I'm redefining class 'logstash::common'. Fair enough | |
| # The solution I found is to use include logstash::common | |
| # But that doesn't allow me to use params? just include | |
| # Is there something like virtualized classes ? | |
| # Or maybe I need to move my classes to defines? | |
| # A possible solution is to use `if !defined`. You'll need to add a dependency | |
| # if you want one to have precedence. |
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