Change in ovirt-hosted-engine-setup[master]: hosted-engine: Update usage info and handle sub-command help

[sbonazzo at redhat.com]

Sandro Bonazzola has submitted this change and it was merged.

Change subject: hosted-engine: Update usage info and handle sub-command help
......................................................................


hosted-engine: Update usage info and handle sub-command help

The hosted-engine command uses sub-commands and the current arg parsing
leads to some odd and confusing side effects.  Update the usage message
to make the invocation a bit clearer.  Handle sub-command specific help
(<command> --help) explicitly in each sub-command function.

Signed-off-by: Adam Litke <alitke at redhat.com>
Change-Id: I7323022994b0225b0b319d0b402c0fd755b8da78
Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1038626
---
M man/hosted-engine.8
M src/bin/hosted-engine.in
M src/plugins/ovirt-hosted-engine-setup/vm/runvm.py
3 files changed, 312 insertions(+), 178 deletions(-)

Approvals:
  Sandro Bonazzola: Looks good to me, approved
  Adam Litke: Verified
  Greg Padgett: Looks good to me, but someone else must approve



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Gerrit-MessageType: merged
Gerrit-Change-Id: I7323022994b0225b0b319d0b402c0fd755b8da78
Gerrit-PatchSet: 2
Gerrit-Project: ovirt-hosted-engine-setup
Gerrit-Branch: master
Gerrit-Owner: Adam Litke <alitke at redhat.com>
Gerrit-Reviewer: Adam Litke <alitke at redhat.com>
Gerrit-Reviewer: Greg Padgett <gpadgett at redhat.com>
Gerrit-Reviewer: Sandro Bonazzola <sbonazzo at redhat.com>
Gerrit-Reviewer: Yedidyah Bar David <didi at redhat.com>
Gerrit-Reviewer: oVirt Jenkins CI Server