[ovs-dev] OVS upgrade

[Ben Pfaff]

On Thu, Apr 19, 2018 at 03:32:28PM -0400, Amir Mohamad wrote:
>      I have openstack installed on one host. I have one controller (VM) and
> one Compute node (VM).
> I want to install a new version that supports OVN SFC by cloning this repo
> https://github.com/doonhammer/ovs.git

Why that one?  It's not the official OVS repo.

> In the old OVS installation:
> 1. ovsdb-server and ovs-vswitchd are in /usr/sbin
> 2. ovn-controller, ovn-northd, ovn-nbctl, etc. are in /usr/bin
> 3. conf.db is in /etc/openvswitch
> 3. ovnnb-db.db and ovnsb-db.db are in /var/lib/openvswitch
> 4. Schema ( ovn-nb.ovsschema,  ovn-sb.ovsschema,  vswitch.ovsschema, and
> vtep.ovsschema) are in /usr/share/openvswitch
> 
> My questions is:
> According to this page (upgrade section):
> http://docs.openvswitch.org/en/latest/intro/install/general/#upgrading
> , if I want to upgrade, I will need to kill the currently running OVS and
> install the new one using the same configure options as was used for
> installing the previous version, or I may end up with two versions of OVS.
> 
> So, and according to this page ( configure section ) :
> *http://docs.openvswitch.org/en/latest/intro/install/general/#configuring
> <http://docs.openvswitch.org/en/latest/intro/install/general/#configuring>*
> 
> 
> I will need to specify the location all files need to be placed in as well
> as the location for db.
> 
> should I use the configure as follow:
> 
> $ ./configure --prefix=/usr --localstatedir=/sbin --sysconfdir=/etc
> 
> 
> OR
> 
> $ ./configure --prefix=/usr --localstatedir=/sbin --sysconfdir=/var/lib

Do you have the old build directory available?  If so, just run
"./config.status --version" to see the configuration flags that were
used.