Foreman Maintain

Cloned from https://bugzilla.redhat.com/show_bug.cgi?id=1640974

Description of problem:
foreman-maintain doesn't quit the actual run when q is pressed

Version-Release number of selected component (if applicable):

rubygem-foreman_maintain-0.2.11-1.el7sat.noarch

How reproducible:
100%

Steps to Reproduce:
1. Run the Satellite 6.4 upgrade check as shown below
Running Checks before upgrading to Satellite 6.4 ================================================================================
Check for verifying syntax for ISP DHCP configurations: [SKIPPED]
DHCP feature is not enabled
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Check whether all services are running: [OK]
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Check whether all services are running using hammer ping: [OK]
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Check for paused tasks: [OK]
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Check to validate candlepin database: [OK]
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Check if EPEL repository enabled on system:
/ Checking for presence of EPEL repository [OK]
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Check for running tasks: [OK]
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Check for old tasks in paused/stopped state: [FAIL]
Found 11 paused or stopped task(s) older than 30 days
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Continue with step [Delete old tasks]?, [y(yes), n(no), q(quit)] q -----> q is pressed
Check for pending tasks which are safe to delete: [OK]
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Check for tasks in planning state: [OK]
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Check for recommended disk speed of pulp, mongodb, pgsql dir.:
\ Finished

Disk speed : 21 MB/sec [FAIL]
Slow disk detected /var/lib/pulp mounted on /dev/mapper/myvg-rootvol.
Actual disk speed: 21 MB/sec
Expected disk speed: 60 MB/sec.
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Check whether reports have correct associations: [OK]
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Verify puppet and provide upgrade guide for it:
/ current puppet version: [OK]
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Validate availability of repositories:
/ Validating availability of repositories for 6.4 [OK]
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Scenario [Checks before upgrading to Satellite 6.4] failed.

The following steps ended up in failing state:

[check-old-foreman-tasks]
  [disk-performance]

Actual results:
Even after pressing q (quit) option foreman-maintain utility ran further

Expected results:
q (quit) should quit as specified

Additional info: