Description of problem:
log collector is failing to collect logs for 2 flows:
-non-existing plugin
engine-log-collector collect
Please provide the REST API password for the admin@internal oVirt Engine user (CTRL+D to skip): 
INFO: No hypervisors were selected, therefore no hypervisor data will be collected.
Please provide the password for the PostgreSQL user, postgres, to dump the engine PostgreSQL database instance (CTRL+D to skip): 
INFO: Gathering PostgreSQL the oVirt Engine database and log files from localhost...
INFO: Gathering oVirt Engine information...
ERROR: unable to set option for disabled or non-existing plugin (engine)
ERROR: a non-existing plugin (rhevm) was specified in the command line


-if you had a previous run of it - it fails to collect:
ngine-log-collector collect
ERROR: the scratch directory for temporary storage of RHEVH reports is not empty.
ERROR: It should be empty so that reports from a prior invocation of the log collector are not collected again.
ERROR: The directory is: /tmp/logcollector/RHEVH-and-PostgreSQL-reports'


Version-Release number of selected component (if applicable):
ovirt-engine-log-collector-3.0.0_0001-1.4.fc16.x86_64

How reproducible:
always

Steps to Reproduce:
1.engine-log-collector collect
2.
3.
  
Actual results:


Expected results:


Additional info: