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The only way to configure settings on a remote (e.g. inactivity_probe)
is via --remote=db:DB,table,row. There is no way to do this via the
existing CLI options.
For a clustered DB with multiple servers listening on unique addresses
there is no way to store these entries in the DB as the DB is shared.
For example, three servers listening on 1.1.1.1, 1.1.1.2, and 1.1.1.3
respectively would require a Manager/Connection row each, but then
all three servers would try to listen on all three addresses.
It is possible for ovsdb-server to serve multiple databases. This
means that we can have a local "config" database in addition to
the main database we are serving (Open_vSwitch, OVN_Southbound, etc.)
and this patch adds a Local_Config schema that currently just mirrors
the Connection table and a Config table with a 'connections' row that
stores each Connection.
Signed-off-by: Terry Wilson <twilson@redhat.com>
Acked-by: Dumitru Ceara <dceara@redhat.com>
Signed-off-by: Ilya Maximets <i.maximets@ovn.org>
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The _Server database is valuable primarily because it provides database
clients a way to find out the details of changes to databases, schemas,
etc. in a granular, natural way. Until now, the only way that the server
could notify clients about these kinds of changes was to close the session;
when the client reconnects, it is expected to reassess the server's state.
One way to provide this kind of granular information would be to add
specific JSON-RPC requests to obtain notifications for different kinds of
changes, but since ovsdb-server already provides granular and flexible
notification support for databases, using a database for the purpose is
convenient and avoids duplicating functionality.
Initially this database only reports databases' names and schemas, but
when clustering support is added in a later commit it will also report
important aspects of clustering and cluster status. Thus, this database
also reduces the need to add JSON-RPC calls to retrieve information about
new features.
Signed-off-by: Ben Pfaff <blp@ovn.org>
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Signed-off-by: Thomas Graf <tgraf@noironetworks.com>
Acked-by: Flavio Leitner <fbl@redhat.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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A few generated files have snuck in that should be ignored by git.
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