[libvirt] [PATCH v2] bhyve: Add support for VNC autoport

[Roman Bogorodskiy]

  Roman Bogorodskiy wrote:

> From: Alexander Nusov <alexander.nusov at nfvexpress.com>
> 
> This patch adds support for automatic VNC port assignment for bhyve guests.
> ---
> Changes from v1:
> 
>  * Call virPortAllocatorRelease() in virBhyveProcessStop() to release
>    VNC port; that's done unconditionally of using autoport
>  * Call virPortAllocatorSetUsed(.., true) in virBhyveProcessReconnect()
>    to reserve already used VNC ports after daemon restart
>  * Call virPortAllocatorSetUsed(.., true) in bhyveBuildGraphicsArgStr()
>    for domains that don't use autoport so allocator didn't try to use
>    ports allocated by these domains
>  * In dryRun mode (i.e. for domxml-to-native) don't allocate any ports
>  * Add a couple of unit tests
> 
> Note 1: while adding tests I noticed that port allocator will actually
> skip already bound ports, so I'm wondering if it makes any sense to use
> virPortAllocatorSetUsed(.., true)? Right now I cannot come up with any
> case to trigger this except probably some races when spawning guests
> simultaneously, but that's hard to reproduce.
> Note 2: there are still some cases where resources allocated during
> command preparation are not properly cleaned up; that's not only VNC
> ports, but also TAP devices. I plan to add proper cleanup routines
> separately.
> 
> 
>  src/bhyve/bhyve_command.c                          | 25 +++++++++++--
>  src/bhyve/bhyve_driver.c                           |  5 +++
>  src/bhyve/bhyve_process.c                          | 20 +++++++++++
>  src/bhyve/bhyve_utils.h                            |  3 ++
>  .../bhyvexml2argv-vnc-autoport.args                | 12 +++++++
>  .../bhyvexml2argv-vnc-autoport.ldargs              |  1 +
>  .../bhyvexml2argv-vnc-autoport.xml                 | 26 ++++++++++++++
>  tests/bhyvexml2argvtest.c                          |  7 ++++
>  .../bhyvexml2xmlout-vnc-autoport.xml               | 41 ++++++++++++++++++++++
>  tests/bhyvexml2xmltest.c                           |  1 +
>  10 files changed, 138 insertions(+), 3 deletions(-)
>  create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-vnc-autoport.args
>  create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-vnc-autoport.ldargs
>  create mode 100644 tests/bhyvexml2argvdata/bhyvexml2argv-vnc-autoport.xml
>  create mode 100644 tests/bhyvexml2xmloutdata/bhyvexml2xmlout-vnc-autoport.xml

ping?

Roman Bogorodskiy
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 473 bytes
Desc: not available
URL: <http://listman.redhat.com/archives/libvir-list/attachments/20170718/0a745024/attachment-0001.sig>