On 24/02/24 6:18 pm, Het Gala wrote:


On 24/02/24 1:42 am, Fabiano Rosas wrote:
Het Gala<het.g...@nutanix.com>  writes:

Introduce support for adding a 'channels' argument to migrate_qmp_fail,
migrate_incoming_qmp and migrate_qmp functions within the migration qtest
framework, enabling enhanced control over migration scenarios.
[...]

Write the test like this:

   static void test_multifd_tcp_none_channels(void)
   {
       MigrateCommon args = {
           .listen_uri = "defer",
           .start_hook = test_migrate_precopy_tcp_multifd_start,
           .live = true,
           .connect_channels = "'channels': [ { 'channel-type': 'main',"
                               "      'addr': { 'transport': 'socket',"
                               "                'type': 'inet',"
                               "                'host': '127.0.0.1',"
                               "                'port': '0' } } ]",
           .connect_uri = NULL;
};
       test_precopy_common(&args);
   }

this was the same first approach that I attempted. It won't work because

The final 'migrate' QAPI with channels string would look like

{ "execute": "migrate", "arguments": { "channels": "[ { "channel-type": "main", "addr": { "transport": "socket", "type": "inet", "host": "10.117.29.84", "port": "4000" }, "multifd-channels": 2 } ]" } }

Sorry, In your example given above, the output looks like :

{"execute": "migrate", "arguments": {"uri": "tcp:127.0.0.1:0", "channels": "'channels': [ { 'channel-type': 'main',      'addr': { 'transport': 'socket',                'type': 'inet',                'host': '127.0.0.1',                'port': '0' } } ]"}}

instead of

{ "execute": "migrate", "arguments": { "channels": [ { "channel-type": "main", "addr": { "transport": "socket", "type": "inet", "host": "10.117.29.84", "port": "4000" }, "multifd-channels": 2 } ] } }

It would complain, that channels should be an *array* and not a string.

because of /"channels": "'channels': [ { 'channel-type': ....
/
[...]

Regards,

Het Gala

Regards,

Het Gala

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