[ovs-git] Open vSwitch: ovs-ctl.in: Restore interfaces and ofports for userspace restarts. (master)

dev at openvswitch.org dev at openvswitch.org
Tue Mar 5 18:03:33 UTC 2013


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- Log -----------------------------------------------------------------
commit a3a0a7a0837f60eb08b93d72e88f2d9e34cf4efd
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=a3a0a7a0837f60eb08b93d72e88f2d9e34cf4efd
Author: Gurucharan Shetty <gshetty at nicira.com>
		
ovs-ctl.in: Restore interfaces and ofports for userspace restarts.
		
When we upgrade from pre-1.9 to 1.10 or later branches, when just
the user space daemons are restarted, with the older kernel module
intact, datapaths are recreated.

This results in loosing the internal interface states like ip addresses,
routing table entries etc. Also, the 'ofport' value of the older interfaces
change.

With this patch we restore the interface states, ofport values etc,
when "ovs-ctl restart" or "/etc/init.d/openvswitch[-switch] restart
--save-flows" is called. The later command is automatically called
when debian packages are installed.

Signed-off-by: Gurucharan Shetty <gshetty at nicira.com>


commit 737af96ddee6bed45e3f035c3f043a67bef2f295
Diffs: http://openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=commitdiff;h=737af96ddee6bed45e3f035c3f043a67bef2f295
Author: Gurucharan Shetty <gshetty at nicira.com>
		
ovs-ctl.in: Clean up code for the next commit.
		
Previously, we would null the variables holding the names of the restore
scripts in case there were any errors in creating the restore script or if
we did not need to run a particular restore script. That is not necessary,
as we can just check the execution permission set on those scirpts.

Also, carve out a couple of functions which will be used in the next commit.

Signed-off-by: Gurucharan Shetty <gshetty at nicira.com>


-----------------------------------------------------------------------

Summary of changes:
 utilities/ovs-ctl.in |   80 ++++++++++++++++++++++++++++++++-----------------
 1 files changed, 52 insertions(+), 28 deletions(-)


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