Correct, env variables substitution are not directly supports by Aries blueprint-ext.

Thanks for the Jira Guillaume !

Regards
JB

On 04/13/2015 02:20 PM, Guillaume Nodet wrote:
Afaik, blueprint does not yet support that.
However, latest file install should support ${env:xxx} substitution, so
you could load those from a configuration file, have file install write
them to configadmin and use blueprint for injection.
Though, it should not be very difficult to enhance blueprint to support
that directly : I've just raised
https://issues.apache.org/jira/browse/ARIES-1311 for that.

2015-04-13 13:56 GMT+02:00 CLEMENT Jean-Philippe
<[email protected]
<mailto:[email protected]>>:

    I wasn't clear, sorry. I'm talking about Unix env variables.

    Is there a way to get them?

    JP

    [@@ OPEN @@]


    -----Message d'origine-----
    De : Jean-Baptiste Onofré [mailto:[email protected]
    <mailto:[email protected]>]
    Envoyé : lundi 13 avril 2015 13:38
    À : [email protected] <mailto:[email protected]>
    Objet : Re: Environment variables and Blueprint

    Did you try:

    <ext:property-placeholder placeholder-prefix="$["
    placeholder-suffix="]"/>

    ?

    By system variables, do you mean JVM -Dkey=value or directly Unix
    env variables ?

    When I talk about system variables, it's -D args to the JVM. The
    later is env variable.

    Regards
    JB

    On 04/13/2015 01:17 PM, CLEMENT Jean-Philippe wrote:
     > Hi JB,
     >
     > We did try with ext but it did not work: ${TOTO} to retrieve the
    $TOTO variable.
     >
     > What is the naming convention?
     >
     > JP
     >
     > [@@ OPEN @@]
     >
     >
     > -----Message d'origine-----
     > De : Jean-Baptiste Onofré [mailto:[email protected]
    <mailto:[email protected]>] Envoyé : lundi 13
     > avril 2015 10:28 À : [email protected]
    <mailto:[email protected]> Objet : Re: Environment
     > variables and Blueprint
     >
     > Hi JP,
     >
     > you can use Aries blueprint-ext and directly use ${} where the
    key is the system variable.
     >
     > Regards
     > JB
     >
     > On 04/13/2015 10:14 AM, CLEMENT Jean-Philippe wrote:
     >> Dear Karaf-ers,
     >>
     >> I would like to retrieve environment variables via Blueprint.
     >> Placeholder “persistent-id” is mandatory so it must point to a
     >> .properties file, so maybe it’s not through cm-placeholders.
     >>
     >> Also, is there a way to replace expressions in .properties files?
     >>
     >> Regards,
     >>
     >> JP
     >>
     >> [@@ OPEN @@]
     >>
     >
     > --
     > Jean-Baptiste Onofré
     > [email protected] <mailto:[email protected]>
     > http://blog.nanthrax.net
     > Talend - http://www.talend.com
     >

    --
    Jean-Baptiste Onofré
    [email protected] <mailto:[email protected]>
    http://blog.nanthrax.net
    Talend - http://www.talend.com



--
Jean-Baptiste Onofré
[email protected]
http://blog.nanthrax.net
Talend - http://www.talend.com

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