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When ovsdb-sever is running in the backup state, it would be nice to
make sure there is no un-intended changes to the backup database.
This patch makes the ovsdb server only accepts 'read' transactions as
a backup server. When the server role is changed into an active server,
all existing client connections will be reset. After reconnect, all
clinet transactions will then be accepted.
Signed-off-by: Andy Zhou <azhou@ovn.org>
Acked-by: Ben Pfaff <blp@ovn.org>
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When setting a where clause, if the timeout is set to a value of 0,
the clause is tested once and if it fails, a message of '"wait" timed
out' is returned. This can be misleading because there wasn't any
real time, so change the message to '"where" clause test failed'.
Signed-off-by: Ryan Moats <rmoats@us.ibm.com>
Reported-by: Ryan Moats <rmoats@us.ibm.com>
Reported-at: http://openvswitch.org/pipermail/dev/2016-August/077083.html
Fixes: f85f8ebb ("Initial implementation of OVSDB.")
Signed-off-by: Ben Pfaff <blp@ovn.org>
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A lot of tests need to initialize the OVS_RUNDIR, OVS_LOGDIR, etc.
variables to point to the directory in which the tests run. Until now,
each of them has had to do this individually, which is redundant. This
commit starts to do this automatically.
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Andy Zhou <azhou@nicira.com>
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Does not add IPv6 support for in-band control.
Co-authored-by: Ben Pfaff <blp@nicira.com>
Signed-off-by: Nandan Nivgune <nandan.nivgune@calsoftinc.com>
Signed-off-by: Abhijit Bhopatkar <abhijit.bhopatkar@calsoftinc.com>
Signed-off-by: Arun Sharma <arun.sharma@calsoftinc.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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as suggested by Ben Pfaff.
Signed-off-by: YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Until now, "unix:" and "punix:" paths that are not absolute have
been considered relative to the current working directory. It
is more useful to consider them relative to the rundir, so this
commit makes that change to the C and Python implementations of
the stream code.
This commit also relaxes the whitelist check in the bridge code
so that any name that does not contain a "/" is considered OK.
Signed-off-by: Pavithra Ramesh <paramesh@vmware.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
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OVSDB has always had the ability to mark a column as "immutable", so that
its value cannot be changed in a given row after that row is initially
inserted. However, we discovered recently that ovsdb-server has never
enforced this constraint. This commit implements enforcement.
Reported-by: Paul Ingram <paul@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Kyle Mestery <kmestery@cisco.com>
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This reduces tests/testsuite by about 70 kB, by collapsing a number of
macro expansions into just one copy in a shell function.
Signed-off-by: Ben Pfaff <blp@nicira.com>
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Errors from this function were being ignored, which meant that transactions
could use "mutate" to bypass number-of-elements constraints on sets and
maps. This fixes the problem and adds a test to prevent the problem from
recurring.
Bug #5781.
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ovsdb_execute_insert() tried to return a helpful error message when there
was a duplicate uuid-name, but ovsdb_execute() (its caller) makes any
parse error override a parse error. Since ovsdb_execute_insert() would
skip parsing the row when the uuid-name was a duplicate, this meant that
the error actually reported would be that "row" was not allowed here, which
wasn't at all helpful (since "row" is in fact mandatory).
This commit clears up the problem by always retrieving the "row" member,
which required a small amount of refactoring, and adds a test.
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The "uuid-name" that creates symbols must be an <id> but we weren't
verifying the same constraint on the "named-uuid"s that refer to symbols,
which was a bit confusing in writing transactions by hand. This commit
fixes the inconsistency and updates the SPECS file to clarify that a
named-uuid string has to be an <id>.
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As the database schema evolves, it might be useful to have an identifier
for the particular version in use. This commit adds that feature.
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This may help with bug #2727 "ovs-vsctl transaction error while changing
VM power state", if it is reproducible.
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One part of the "weak references" test inserts invalid all-zeros weak
references into two columns and expects to get an error message mentioning
one of them. Unfortunately the one that actually gets mentioned depends
on hash ordering and thus differs between big-endian and little-endian
machines. This commit fixes the problem by only putting an invalid
reference in a single column, instead of two of them.
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This also adds protocol compatibility to the database itself and to
ovsdb-client. It doesn't actually add multiple database support to
ovsdb-server, since we don't really need that yet.
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It's more elegant, and just as easy to implement, if we allow a
"named-uuid" to be a forward reference to a "uuid-name" in a later
"insert" operation.
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