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From "james strachan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (KARAF-2466) make it easy to access environment variables inside karaf configuration properties files
Date Mon, 09 Sep 2013 15:25:51 GMT

     [ https://issues.apache.org/jira/browse/KARAF-2466?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

james strachan updated KARAF-2466:
----------------------------------

    Description: 
when using karaf in clouds & PaaS infrastructures like OpenShift, Docker, OpenStack et
al; its common to use environment variables to pass in environment specific values; then keep
a single disk image. It would be nice if there was an easy way to reference environment variables
similar to the ${foo.bar} syntax for accessing system properties.

Maybe karaf should support some kind of environment variable expansion like 

{code}
# define a property based on an env var
foo = ${ENV.nameOfEnvVar} 

# e.g. here's the host name
host = ${ENV.HOSTNAME} 
{code}



  was:
when using karaf in clouds & PaaS infrastructures like OpenShift, Docker, OpenStack et
al; its common to use environment variables to pass in environment specific values; then keep
a single disk image. It would be nice if there was an easy way to reference environment variables
similar to the ${foo.bar} syntax for accessing system properties.

Maybe karaf should support some kind of environment variable expansion like ${ENV.nameOfEnvVar}
such as ${ENV.HOSTNAME} to get the current host name on unix?


    
> make it easy to access environment variables inside karaf configuration properties files
> ----------------------------------------------------------------------------------------
>
>                 Key: KARAF-2466
>                 URL: https://issues.apache.org/jira/browse/KARAF-2466
>             Project: Karaf
>          Issue Type: Improvement
>            Reporter: james strachan
>             Fix For: 2.4.0
>
>
> when using karaf in clouds & PaaS infrastructures like OpenShift, Docker, OpenStack
et al; its common to use environment variables to pass in environment specific values; then
keep a single disk image. It would be nice if there was an easy way to reference environment
variables similar to the ${foo.bar} syntax for accessing system properties.
> Maybe karaf should support some kind of environment variable expansion like 
> {code}
> # define a property based on an env var
> foo = ${ENV.nameOfEnvVar} 
> # e.g. here's the host name
> host = ${ENV.HOSTNAME} 
> {code}

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