On Fri, Jan 4, 2019 at 5:26 PM Numan Siddique <[email protected]> wrote:

> Hi Ted,
>
> This patch is failing the below test cases for me. All are python3
> related. Can you please
> take a look if that's the case with you as well ?
> ******
> 2139: simple idl, writing via IDL with unicode - Python3 FAILED (
> ovsdb-idl.at:456)
> 2141: simple idl, writing via IDL with unicode - Python3 -
> register_columns FAILED (ovsdb-idl.at:456)
> 2143: simple idl, writing via IDL with unicode - Python3 - tcp FAILED (
> ovsdb-idl.at:456)
> 2145: simple idl, writing via IDL with unicode - Python3 (multiple
> remotes) - tcp FAILED (ovsdb-idl.at:456)
> 2147: simple idl, writing via IDL with unicode - Python3 - tcp6 FAILED (
> ovsdb-idl.at:456)
> 2149: simple idl, writing via IDL with unicode - Python3 (multiple
> remotes) - tcp6 FAILED (ovsdb-idl.at:456)
> 2151: simple idl, writing via IDL with unicode - Python3 - SSL FAILED (
> ovsdb-idl.at:456)
> 2153: simple idl, writing large data via IDL with unicode - Python3 FAILED
> (ovsdb-idl.at:490)
> **********
>

These failures are not related to this patch. Please ignore. There seems to
be some issues with python3.7 with unicode
in Fedora 29 and I think Timothy  is planning to submit a patch to fix
these failures.

Thanks
Numan


> Please see some comments below.
>
> Thanks
> Numan
>
> On Fri, Jan 4, 2019 at 7:47 AM Ted Elhourani <[email protected]>
> wrote:
>
>> The Python IDL implementation supports ovsdb cluster connections.
>> This patch is a follow up to commit 31e434fc98, it adds the option of
>> connecting to the leader (the default) in the Raft-based cluster. It
>> mimics
>> the exisiting C IDL support for clusters introduced in commit 1b1d2e6daa.
>>
>> The _Server database schema is first requested, then a monitor of the
>> Database table in the _Server Database. Method __check_server_db verifies
>> the eligibility of the server. If the attempt to obtain a monitor of the
>> _Server database fails and a cluster id was not provided this
>> implementation
>> proceeds to request the data monitor. If a cluster id was provided via the
>> set_cluster_id method then the connection is aborted and a connection to a
>> different node is instead attempted, until a valid cluster node is found.
>> Thus, when supplied, cluster id is interpreted as the intention to only
>> allow connections to a clustered database. If not supplied, connections to
>> standalone nodes, or nodes that do not have the _Server database are
>> allowed. change_seqno is not incremented in the case of Database table
>> updates.
>> Signed-off-by: Ted Elhourani <[email protected]>
>> ---
>>  python/ovs/db/idl.py    | 217
>> ++++++++++++++++++++++++++++++++++++++++++++----
>>  python/ovs/reconnect.py |   3 +
>>  tests/ovsdb-idl.at      |  62 +++++++-------
>>  3 files changed, 237 insertions(+), 45 deletions(-)
>>
>> diff --git a/python/ovs/db/idl.py b/python/ovs/db/idl.py
>> index 250e897..f989548 100644
>> --- a/python/ovs/db/idl.py
>> +++ b/python/ovs/db/idl.py
>> @@ -38,6 +38,7 @@ ROW_DELETE = "delete"
>>  OVSDB_UPDATE = 0
>>  OVSDB_UPDATE2 = 1
>>
>> +CLUSTERED = "clustered"
>>
>>  class Idl(object):
>>      """Open vSwitch Database Interface Definition Language (OVSDB IDL).
>> @@ -92,10 +93,12 @@ class Idl(object):
>>  """
>>
>>      IDL_S_INITIAL = 0
>> -    IDL_S_MONITOR_REQUESTED = 1
>> -    IDL_S_MONITOR_COND_REQUESTED = 2
>> +    IDL_S_SERVER_SCHEMA_REQUESTED = 1
>> +    IDL_S_SERVER_MONITOR_REQUESTED = 2
>> +    IDL_S_DATA_MONITOR_REQUESTED = 3
>> +    IDL_S_DATA_MONITOR_COND_REQUESTED = 4
>>
>> -    def __init__(self, remote, schema_helper, probe_interval=None):
>> +    def __init__(self, remote, schema_helper, leader_only=True,
>> probe_interval=None):
>>
>
> Can you please add the "leader_only" arg at the end. Older clients of
> python idl would
> break if they were creating Idl object as
> my_idl = Idl(remote, helper, 1000)
>
>
>          """Creates and returns a connection to the database named
>> 'db_name' on
>>          'remote', which should be in a form acceptable to
>>          ovs.jsonrpc.session.open().  The connection will maintain an
>> in-memory
>> @@ -119,6 +122,9 @@ class Idl(object):
>>
>>          The IDL uses and modifies 'schema' directly.
>>
>> +        If 'leader_only' is set to True (default value) the IDL will
>> only monitor
>> +        and transact with the leader of the cluster.
>> +
>>          If "probe_interval" is zero it disables the connection keepalive
>>          feature. If non-zero the value will be forced to at least 1000
>>          milliseconds. If None it will just use the default value in OVS.
>> @@ -137,6 +143,20 @@ class Idl(object):
>>          self._last_seqno = None
>>          self.change_seqno = 0
>>          self.uuid = uuid.uuid1()
>> +
>> +        # Server monitor.
>> +        self._server_schema_request_id = None
>> +        self._server_monitor_request_id = None
>> +        self._db_change_aware_request_id = None
>> +        self._server_db_name = '_Server'
>> +        self._server_db_table = 'Database'
>> +        self.server_tables = None
>> +        self._server_db = None
>> +        self.server_monitor_uuid = uuid.uuid1()
>> +        self.leader_only = leader_only
>> +        self.cluster_id = None
>> +        self._min_index = 0
>> +
>>          self.state = self.IDL_S_INITIAL
>>
>>          # Database locking.
>> @@ -172,6 +192,15 @@ class Idl(object):
>>                  remotes.append(r)
>>          return remotes
>>
>> +    def set_cluster_id(self, cluster_id):
>> +        """Set the id of the cluster that this idl must connect to."""
>> +        if cluster_id:
>> +            self.cluster_id = str(cluster_id)
>> +        else:
>> +            self.cluster_id = None
>>
>
> Instead of the "if - else", how about just
> self.cluster_id = cluster_id
>
> Can cluster_id be passed as an integer by the caller ?
>
>
>
>> +        if self.state != self.IDL_S_INITIAL:
>> +            self.force_reconnect()
>> +
>>      def index_create(self, table, name):
>>          """Create a named multi-column index on a table"""
>>          return self.tables[table].rows.index_create(name)
>> @@ -222,7 +251,7 @@ class Idl(object):
>>              if seqno != self._last_seqno:
>>                  self._last_seqno = seqno
>>                  self.__txn_abort_all()
>> -                self.__send_monitor_request()
>> +                self.__send_server_schema_request()
>>                  if self.lock_name:
>>                      self.__send_lock_request()
>>                  break
>> @@ -230,6 +259,7 @@ class Idl(object):
>>              msg = self._session.recv()
>>              if msg is None:
>>                  break
>> +
>>              if (msg.type == ovs.jsonrpc.Message.T_NOTIFY
>>                      and msg.method == "update2"
>>                      and len(msg.params) == 2):
>> @@ -239,7 +269,15 @@ class Idl(object):
>>                      and msg.method == "update"
>>                      and len(msg.params) == 2):
>>                  # Database contents changed.
>> -                self.__parse_update(msg.params[1], OVSDB_UPDATE)
>> +                if msg.params[0] == str(self.server_monitor_uuid):
>> +                    self.__parse_update(msg.params[1], OVSDB_UPDATE,
>> +                                        tables=self.server_tables)
>> +                    self.change_seqno = initial_change_seqno
>> +                    if not self.__check_server_db():
>> +                        self.force_reconnect()
>> +                        break
>> +                else:
>> +                    self.__parse_update(msg.params[1], OVSDB_UPDATE)
>>              elif (msg.type == ovs.jsonrpc.Message.T_REPLY
>>                    and self._monitor_request_id is not None
>>                    and self._monitor_request_id == msg.id):
>> @@ -248,17 +286,66 @@ class Idl(object):
>>                      self.change_seqno += 1
>>                      self._monitor_request_id = None
>>                      self.__clear()
>> -                    if self.state == self.IDL_S_MONITOR_COND_REQUESTED:
>> +                    if self.state ==
>> self.IDL_S_DATA_MONITOR_COND_REQUESTED:
>>                          self.__parse_update(msg.result, OVSDB_UPDATE2)
>>                      else:
>> -                        assert self.state == self.IDL_S_MONITOR_REQUESTED
>> +                        assert self.state ==
>> self.IDL_S_DATA_MONITOR_REQUESTED
>>                          self.__parse_update(msg.result, OVSDB_UPDATE)
>> -
>>                  except error.Error as e:
>>                      vlog.err("%s: parse error in received schema: %s"
>>                               % (self._session.get_name(), e))
>>                      self.__error()
>>              elif (msg.type == ovs.jsonrpc.Message.T_REPLY
>> +                  and self._server_schema_request_id is not None
>> +                  and self._server_schema_request_id == msg.id):
>> +                # Reply to our "get_schema" of _Server request.
>> +                try:
>> +                    self._server_schema_request_id = None
>> +                    sh = SchemaHelper(None, msg.result)
>> +                    sh.register_table(self._server_db_table)
>> +                    schema = sh.get_idl_schema()
>> +                    self._server_db = schema
>> +                    self.server_tables = schema.tables
>> +                    self.__send_server_monitor_request()
>> +                except error.Error as e:
>> +                    vlog.err("%s: error receiving server schema: %s"
>> +                             % (self._session.get_name(), e))
>> +                    if self.cluster_id:
>> +                        self.__error()
>> +                        break
>> +                    else:
>> +                        self.change_seqno = initial_change_seqno
>> +                        self.__send_monitor_request()
>> +            elif (msg.type == ovs.jsonrpc.Message.T_REPLY
>> +                  and self._server_monitor_request_id is not None
>> +                  and self._server_monitor_request_id == msg.id):
>> +                # Reply to our "monitor" of _Server request.
>> +                try:
>> +                    self._server_monitor_request_id = None
>> +                    self.__parse_update(msg.result, OVSDB_UPDATE,
>> +                                        tables=self.server_tables)
>> +                    self.change_seqno = initial_change_seqno
>> +                    if self.__check_server_db():
>> +                        self.__send_monitor_request()
>> +                        self.__send_db_change_aware()
>> +                    else:
>> +                        self.force_reconnect()
>> +                        break
>> +                except error.Error as e:
>> +                    vlog.err("%s: parse error in received schema: %s"
>> +                             % (self._session.get_name(), e))
>> +                    if self.cluster_id:
>> +                        self.__error()
>> +                        break
>> +                    else:
>> +                        self.change_seqno = initial_change_seqno
>> +                        self.__send_monitor_request()
>> +            elif (msg.type == ovs.jsonrpc.Message.T_REPLY
>> +                  and self._db_change_aware_request_id is not None
>> +                  and self._db_change_aware_request_id == msg.id):
>> +                # Reply to us notifying the server of our change
>> awarness.
>> +                self._db_change_aware_request_id = None
>> +            elif (msg.type == ovs.jsonrpc.Message.T_REPLY
>>                    and self._lock_request_id is not None
>>                    and self._lock_request_id == msg.id):
>>                  # Reply to our "lock" request.
>> @@ -275,10 +362,20 @@ class Idl(object):
>>                  # Reply to our echo request.  Ignore it.
>>                  pass
>>              elif (msg.type == ovs.jsonrpc.Message.T_ERROR and
>> -                  self.state == self.IDL_S_MONITOR_COND_REQUESTED and
>> +                  self.state == self.IDL_S_DATA_MONITOR_COND_REQUESTED
>> and
>>                    self._monitor_request_id == msg.id):
>>                  if msg.error == "unknown method":
>>                      self.__send_monitor_request()
>> +            elif (msg.type == ovs.jsonrpc.Message.T_ERROR and
>> +                  self._server_schema_request_id is not None and
>> +                  self._server_schema_request_id == msg.id):
>> +                self._server_schema_request_id = None
>> +                if self.cluster_id:
>> +                    self.force_reconnect()
>> +                    break
>> +                else:
>> +                    self.change_seqno = initial_change_seqno
>> +                    self.__send_monitor_request()
>>              elif (msg.type in (ovs.jsonrpc.Message.T_ERROR,
>>                                 ovs.jsonrpc.Message.T_REPLY)
>>                    and self.__txn_process_reply(msg)):
>> @@ -440,12 +537,19 @@ class Idl(object):
>>              if not new_has_lock:
>>                  self.is_lock_contended = True
>>
>> +    def __send_db_change_aware(self):
>> +        msg = ovs.jsonrpc.Message.create_request("set_db_change_aware",
>> +                                                 [True])
>> +        self._db_change_aware_request_id = msg.id
>> +        self._session.send(msg)
>> +
>>      def __send_monitor_request(self):
>> -        if self.state == self.IDL_S_INITIAL:
>> -            self.state = self.IDL_S_MONITOR_COND_REQUESTED
>> +        if (self.state in [self.IDL_S_SERVER_MONITOR_REQUESTED,
>> +                           self.IDL_S_INITIAL]):
>> +            self.state = self.IDL_S_DATA_MONITOR_COND_REQUESTED
>>              method = "monitor_cond"
>>          else:
>> -            self.state = self.IDL_S_MONITOR_REQUESTED
>> +            self.state = self.IDL_S_DATA_MONITOR_REQUESTED
>>              method = "monitor"
>>
>>          monitor_requests = {}
>> @@ -467,20 +571,50 @@ class Idl(object):
>>          self._monitor_request_id = msg.id
>>          self._session.send(msg)
>>
>> -    def __parse_update(self, update, version):
>> +    def __send_server_schema_request(self):
>> +        self.state = self.IDL_S_SERVER_SCHEMA_REQUESTED
>> +        msg = ovs.jsonrpc.Message.create_request(
>> +            "get_schema", [self._server_db_name, str(self.uuid)])
>> +        self._server_schema_request_id = msg.id
>> +        res = self._session.send(msg)
>> +
>> +    def __send_server_monitor_request(self):
>> +        self.state = self.IDL_S_SERVER_MONITOR_REQUESTED
>> +        monitor_requests = {}
>> +        table = self.server_tables[self._server_db_table]
>> +        columns = [column for column in six.iterkeys(table.columns)]
>> +        for column in six.itervalues(table.columns):
>> +            if not hasattr(column, 'alert'):
>> +                column.alert = True
>> +        table.rows = custom_index.IndexedRows(table)
>> +        table.need_table = False
>> +        table.idl = self
>> +        monitor_request = {"columns": columns}
>> +        monitor_requests[table.name] = [monitor_request]
>> +        msg = ovs.jsonrpc.Message.create_request(
>> +            'monitor', [self._server_db.name,
>> +                             str(self.server_monitor_uuid),
>> +                             monitor_requests])
>> +        self._server_monitor_request_id = msg.id
>> +        self._session.send(msg)
>> +
>> +    def __parse_update(self, update, version, tables=None):
>>          try:
>> -            self.__do_parse_update(update, version)
>> +            if not tables:
>> +                self.__do_parse_update(update, version, self.tables)
>> +            else:
>> +                self.__do_parse_update(update, version, tables)
>>          except error.Error as e:
>>              vlog.err("%s: error parsing update: %s"
>>                       % (self._session.get_name(), e))
>>
>> -    def __do_parse_update(self, table_updates, version):
>> +    def __do_parse_update(self, table_updates, version, tables):
>>          if not isinstance(table_updates, dict):
>>              raise error.Error("<table-updates> is not an object",
>>                                table_updates)
>>
>>          for table_name, table_update in six.iteritems(table_updates):
>> -            table = self.tables.get(table_name)
>> +            table = tables.get(table_name)
>>              if not table:
>>                  raise error.Error('<table-updates> includes unknown '
>>                                    'table "%s"' % table_name)
>> @@ -605,6 +739,57 @@ class Idl(object):
>>                  self.notify(op, row, Row.from_json(self, table, uuid,
>> old))
>>          return changed
>>
>> +    def __check_server_db(self):
>> +        """Returns True if this is a valid ovsdb server, False
>> otherwise."""
>>
> The function name seems a bit confusing.
> This function   returns True if the server has "_Server" table and if it
> is a clustered db, additional checks are done.
> May be this function can be broken in 2 separate functions ?
> One to check if the server supports '_Server' db and other to check
> the status of cluster.
>
>
> +        session_name = self._session.get_name()
>> +
>> +        if self._server_db_table not in self.server_tables:
>> +            vlog.info("%s: server does not have %s table in its %s
>> database"
>> +                      % (session_name, self._server_db_table,
>> self._server_db_name))
>> +            return False
>> +
>> +        rows = self.server_tables[self._server_db_table].rows
>> +
>> +        database = None
>> +        for row in six.itervalues(rows):
>> +            if self.cluster_id:
>> +                if self.cluster_id in \
>> +                   map(lambda x: str(x)[:4], row.cid):
>> +                    database = row
>> +                    break
>> +            elif row.name == self._db.name:
>> +                database = row
>> +                break
>> +
>> +        if not database:
>> +            vlog.info("%s: server does not have %s database"
>> +                      % (session_name, self._db.name))
>> +            return False
>> +
>> +        if (database.model == CLUSTERED and
>> +            self._session.get_num_of_remotes() > 1):
>> +            if not database.schema:
>> +                vlog.info('%s: clustered database server has not yet
>> joined '
>> +                          'cluster; trying another server' %
>> session_name)
>> +                return False
>> +            if not database.connected:
>> +                vlog.info('%s: clustered database server is
>> disconnected '
>> +                          'from cluster; trying another server' %
>> session_name)
>> +                return False
>> +            if (self.leader_only and
>> +                not database.leader):
>> +                vlog.info('%s: clustered database server is not cluster
>> '
>> +                          'leader; trying another server' % session_name)
>> +                return False
>> +            if database.index:
>> +                if database.index[0] < self._min_index:
>> +                    vlog.warn('%s: clustered database server has stale
>> data; '
>> +                              'trying another server' % session_name)
>> +                    return False
>> +                self._min_index = database.index[0]
>> +
>> +        return True
>> +
>>      def __column_name(self, column):
>>          if column.type.key.type == ovs.db.types.UuidType:
>>              return ovs.ovsuuid.to_json(column.type.key.type.default)
>> diff --git a/python/ovs/reconnect.py b/python/ovs/reconnect.py
>> index 34cc769..afbe445 100644
>> --- a/python/ovs/reconnect.py
>> +++ b/python/ovs/reconnect.py
>> @@ -344,6 +344,9 @@ class Reconnect(object):
>>                  else:
>>                      self.info_level("%s: error listening for connections"
>>                                      % self.name)
>> +            elif self.state == Reconnect.Reconnect:
>> +                self.info_level("%s: connection closed by client"
>> +                                % self.name)
>>              elif self.backoff < self.max_backoff:
>>                  if self.passive:
>>                      type_ = "listen"
>> diff --git a/tests/ovsdb-idl.at b/tests/ovsdb-idl.at
>> index 8981b5e..46b047f 100644
>> --- a/tests/ovsdb-idl.at
>> +++ b/tests/ovsdb-idl.at
>> @@ -1466,40 +1466,44 @@ OVSDB_CHECK_IDL_NOTIFY([simple idl verify notify],
>>         "where": [["i", "==", 0]]}]' \
>>      'reconnect']],
>>    [[000: empty
>> -001:
>> {"error":null,"result":[{"uuid":["uuid","<0>"]},{"uuid":["uuid","<1>"]}]}
>> -002: event:create, row={i=0 r=0 b=false s= u=<2> ia=[] ra=[] ba=[] sa=[]
>> ua=[] uuid=<1>}, updates=None
>> -002: event:create, row={i=1 r=2 b=true s=mystring u=<3> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<4> <5>] uuid=<0>}, updates=None
>> -002: i=0 r=0 b=false s= u=<2> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<1>
>> -002: i=1 r=2 b=true s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> +000: event:create, row={uuid=<0>}, updates=None
>> +000: event:create, row={uuid=<1>}, updates=None
>> +001:
>> {"error":null,"result":[{"uuid":["uuid","<2>"]},{"uuid":["uuid","<3>"]}]}
>> +002: event:create, row={i=0 r=0 b=false s= u=<4> ia=[] ra=[] ba=[] sa=[]
>> ua=[] uuid=<3>}, updates=None
>> +002: event:create, row={i=1 r=2 b=true s=mystring u=<5> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<6> <7>] uuid=<2>}, updates=None
>> +002: i=0 r=0 b=false s= u=<4> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<3>
>> +002: i=1 r=2 b=true s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>>  003: {"error":null,"result":[{"count":2}]}
>> -004: event:update, row={i=1 r=2 b=false s=mystring u=<3> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<4> <5>] uuid=<0>}, updates={b=true
>> uuid=<0>}
>> -004: i=0 r=0 b=false s= u=<2> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<1>
>> -004: i=1 r=2 b=false s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> +004: event:update, row={i=1 r=2 b=false s=mystring u=<5> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<6> <7>] uuid=<2>}, updates={b=true
>> uuid=<2>}
>> +004: i=0 r=0 b=false s= u=<4> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<3>
>> +004: i=1 r=2 b=false s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>>  005: {"error":null,"result":[{"count":2}]}
>> -006: event:update, row={i=0 r=123.5 b=false s= u=<2> ia=[] ra=[] ba=[]
>> sa=[] ua=[] uuid=<1>}, updates={r=0 uuid=<1>}
>> -006: event:update, row={i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<4> <5>] uuid=<0>}, updates={r=2
>> uuid=<0>}
>> -006: i=0 r=123.5 b=false s= u=<2> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<1>
>> -006: i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> -007: {"error":null,"result":[{"uuid":["uuid","<6>"]}]}
>> -008: event:create, row={i=-1 r=125 b=false s= u=<2> ia=[1] ra=[1.5]
>> ba=[false] sa=[] ua=[] uuid=<6>}, updates=None
>> -008: i=-1 r=125 b=false s= u=<2> ia=[1] ra=[1.5] ba=[false] sa=[] ua=[]
>> uuid=<6>
>> -008: i=0 r=123.5 b=false s= u=<2> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<1>
>> -008: i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> +006: event:update, row={i=0 r=123.5 b=false s= u=<4> ia=[] ra=[] ba=[]
>> sa=[] ua=[] uuid=<3>}, updates={r=0 uuid=<3>}
>> +006: event:update, row={i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<6> <7>] uuid=<2>}, updates={r=2
>> uuid=<2>}
>> +006: i=0 r=123.5 b=false s= u=<4> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<3>
>> +006: i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>> +007: {"error":null,"result":[{"uuid":["uuid","<8>"]}]}
>> +008: event:create, row={i=-1 r=125 b=false s= u=<4> ia=[1] ra=[1.5]
>> ba=[false] sa=[] ua=[] uuid=<8>}, updates=None
>> +008: i=-1 r=125 b=false s= u=<4> ia=[1] ra=[1.5] ba=[false] sa=[] ua=[]
>> uuid=<8>
>> +008: i=0 r=123.5 b=false s= u=<4> ia=[] ra=[] ba=[] sa=[] ua=[] uuid=<3>
>> +008: i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>>  009: {"error":null,"result":[{"count":2}]}
>> -010: event:update, row={i=-1 r=125 b=false s=newstring u=<2> ia=[1]
>> ra=[1.5] ba=[false] sa=[] ua=[] uuid=<6>}, updates={s= uuid=<6>}
>> -010: event:update, row={i=0 r=123.5 b=false s=newstring u=<2> ia=[]
>> ra=[] ba=[] sa=[] ua=[] uuid=<1>}, updates={s= uuid=<1>}
>> -010: i=-1 r=125 b=false s=newstring u=<2> ia=[1] ra=[1.5] ba=[false]
>> sa=[] ua=[] uuid=<6>
>> -010: i=0 r=123.5 b=false s=newstring u=<2> ia=[] ra=[] ba=[] sa=[] ua=[]
>> uuid=<1>
>> -010: i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> +010: event:update, row={i=-1 r=125 b=false s=newstring u=<4> ia=[1]
>> ra=[1.5] ba=[false] sa=[] ua=[] uuid=<8>}, updates={s= uuid=<8>}
>> +010: event:update, row={i=0 r=123.5 b=false s=newstring u=<4> ia=[]
>> ra=[] ba=[] sa=[] ua=[] uuid=<3>}, updates={s= uuid=<3>}
>> +010: i=-1 r=125 b=false s=newstring u=<4> ia=[1] ra=[1.5] ba=[false]
>> sa=[] ua=[] uuid=<8>
>> +010: i=0 r=123.5 b=false s=newstring u=<4> ia=[] ra=[] ba=[] sa=[] ua=[]
>> uuid=<3>
>> +010: i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>>  011: {"error":null,"result":[{"count":1}]}
>> -012: event:delete, row={i=0 r=123.5 b=false s=newstring u=<2> ia=[]
>> ra=[] ba=[] sa=[] ua=[] uuid=<1>}, updates=None
>> -012: i=-1 r=125 b=false s=newstring u=<2> ia=[1] ra=[1.5] ba=[false]
>> sa=[] ua=[] uuid=<6>
>> -012: i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> +012: event:delete, row={i=0 r=123.5 b=false s=newstring u=<4> ia=[]
>> ra=[] ba=[] sa=[] ua=[] uuid=<3>}, updates=None
>> +012: i=-1 r=125 b=false s=newstring u=<4> ia=[1] ra=[1.5] ba=[false]
>> sa=[] ua=[] uuid=<8>
>> +012: i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>>  013: reconnect
>> -014: event:create, row={i=-1 r=125 b=false s=newstring u=<2> ia=[1]
>> ra=[1.5] ba=[false] sa=[] ua=[] uuid=<6>}, updates=None
>> -014: event:create, row={i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<4> <5>] uuid=<0>}, updates=None
>> -014: i=-1 r=125 b=false s=newstring u=<2> ia=[1] ra=[1.5] ba=[false]
>> sa=[] ua=[] uuid=<6>
>> -014: i=1 r=123.5 b=false s=mystring u=<3> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<4> <5>] uuid=<0>
>> +014: event:create, row={i=-1 r=125 b=false s=newstring u=<4> ia=[1]
>> ra=[1.5] ba=[false] sa=[] ua=[] uuid=<8>}, updates=None
>> +014: event:create, row={i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3]
>> ra=[-0.5] ba=[true] sa=[abc def] ua=[<6> <7>] uuid=<2>}, updates=None
>> +014: event:create, row={uuid=<0>}, updates=None
>> +014: event:create, row={uuid=<1>}, updates=None
>> +014: i=-1 r=125 b=false s=newstring u=<4> ia=[1] ra=[1.5] ba=[false]
>> sa=[] ua=[] uuid=<8>
>> +014: i=1 r=123.5 b=false s=mystring u=<5> ia=[1 2 3] ra=[-0.5] ba=[true]
>> sa=[abc def] ua=[<6> <7>] uuid=<2>
>>  015: done
>>  ]])
>>
>>
> I think it would be good if we have few test cases which starts a cluster
> of ovsdb-server's and then
>    -verify if the client has connected to the cluster leader
>    - bring down the leader and check if the client connects to the new
> leader.
>
>
> Thanks
> Numan
>
> --
>> 1.8.3.1
>>
>> _______________________________________________
>> dev mailing list
>> [email protected]
>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>>
>
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