james strachan created KARAF-2466:
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Summary: 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
${ENV.nameOfEnvVar} such as ${ENV.HOSTNAME} to get the current host name on
unix?
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