Chris Dent c6d470142e Perform additional disable_service checks ...

With the advent of plugins and their settings files it has become
possible to disable_service in local.conf only to have the service
re-enabled in a plugin settings file. This happens because of
processing order.

To get around this the disable_service function now aggregates
service names into a DISABLED_SERVICES variable which is then checked
during enable_service. If something tries to enable something that
was previously disabled, a warning is produced in the log and the
service is not enabled.

Then after all configuration has been sourced a final check is to
done by verify_disabled_services to confirm that something has not
manually adjusted ENABLED_SERVICES to overcome a previously called
disable_service. If something has, the stack dies with an error.

Change-Id: I0f9403f44ed2fe693a46cd02486bd94043ce6b1a
Closes-Bug: #1504304

2015-10-09 16:34:32 +00:00

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