On Wed, Mar 29, 2017 at 11:47 PM, Guru Shetty <g...@ovn.org> wrote:
>
>>
>> Agree. It was in my mind. I somehow missed it out.
>>
>>
>>>
>>> The above would mean that for each logical port, we need to create a DNS
>>> record in the DNS table. Having the schema like the above has advantages.
>>> In the future, if we have to add new options for DNS, then it becomes
>>> easier to extend this. Do you foresee anything?
>>>
>>
>> I don't foresee any new thing to be added.
>>
>>
>>>
>>> The disadvantage is that for each logical port (or a VIP), you should
>>> now create a new record in DNS table and then link it to all the logical
>>> switches in the logical topology.
>>>
>>>
>> Agree. It results in more work for CMS as it has to manage all this.
>>
>>
>>
>>> An alternate schema would be to have a single DNS record for the logical
>>> topology. i.e have a "record" column which is a map of hostname and
>>> addresses. With this, whenever a new logical port (or a VIP in
>>> load-balancer) is created, you just add the hostname and addresses to the
>>> existing DNS "record" instead of creating a new DNS entry in the table and
>>> linking it all the logical switches in the topology.
>>>
>>> Do you have any opinion? Is one easier than the other for OpenStack?
>>>
>>>
>> The reason I chose to have one DNS record for each logical port as
>> - It almost directly maps to the DNS table in the SB DB (proposed table
>> in patch 1)
>> - the code in ovn-northd would be much simpler at the cost of CMS
>> managing this. I think with the external_ids column, CMS should be able to
>> manage this.
>> - Syncing the NB DNS entries with SB DNS entries would be easier.
>>
>> I personally prefer this approach as it is easier for ovn-northd. But if
>> you think it would be more work for CMS or there are unnecessary ovsdb
>> operations/overhead in having one DNS record per port, I am happy to do the
>> changes as per your suggestions here:). Let me know.
>>
>
> I had a discussion with Ben talking about pros and cons. We agreed that,
> we should have the option of having the single DNS record for the entire
> logical topology.
>
> PS: Now, if someone prefers to have multiple DNS entries (i.e one each for
> a logical port), they can still do it by simply linking to multiple DNS
> records. It is just that with a 'map' in the schema, we can either have
> just one or multiple inside the same DNS record.
>
>
>
Thanks Ben and Guru. I will work on the suggested approach.
Numan
>
>
>
>>
>> Thanks
>> Numan
>>
>>
>>
>>
>>>
>>>
>>>
>>>
>>>
>>>> "SSL": {
>>>> "columns": {
>>>> "private_key": {"type": "string"},
>>>> diff --git a/ovn/ovn-nb.xml b/ovn/ovn-nb.xml
>>>> index 46a25f6..e17fdf6 100644
>>>> --- a/ovn/ovn-nb.xml
>>>> +++ b/ovn/ovn-nb.xml
>>>> @@ -134,6 +134,11 @@
>>>> QOS marking rules that apply to packets within the logical
>>>> switch.
>>>> </column>
>>>>
>>>> + <column name="dns_lookups">
>>>> + DNS entries to look up for the DNS packets within the logical
>>>> switch
>>>> + by the native DNS resolver.
>>>> + </column>
>>>> +
>>>> <group title="other_config">
>>>> <p>
>>>> Additional configuration options for the logical switch.
>>>> @@ -1888,6 +1893,20 @@
>>>> <column name="other_config"/>
>>>> </group>
>>>> </table>
>>>> + <table name="DNS" title="Native DNS resolution">
>>>> + <p>
>>>> + A DNS look up entry with in a Logical switch.
>>>> + </p>
>>>> +
>>>> + <column name="hostname">
>>>> + The host name to be searched.
>>>> + </column>
>>>> +
>>>> + <column name="ip_addresses">
>>>> + The IP addresses to include in the DNS answer fields if the
>>>> + <ref column="hostname"/> matches in the DNS query.
>>>> + </column>
>>>> + </table>
>>>> <table name="SSL">
>>>> SSL configuration for ovn-nb database access.
>>>>
>>>> @@ -1926,5 +1945,4 @@
>>>> <column name="external_ids"/>
>>>> </group>
>>>> </table>
>>>> -
>>>> </database>
>>>> diff --git a/ovn/utilities/ovn-nbctl.c b/ovn/utilities/ovn-nbctl.c
>>>> index 900b088..abdc616 100644
>>>> --- a/ovn/utilities/ovn-nbctl.c
>>>> +++ b/ovn/utilities/ovn-nbctl.c
>>>> @@ -3048,6 +3048,9 @@ static const struct ctl_table_class
>>>> tables[NBREC_N_TABLES] = {
>>>>
>>>> [NBREC_TABLE_SSL].row_ids[0]
>>>> = {&nbrec_table_nb_global, NULL, &nbrec_nb_global_col_ssl},
>>>> +
>>>> + [NBREC_TABLE_DNS].row_ids[0]
>>>> + = {&nbrec_table_dns, NULL, &nbrec_dns_col_hostname},
>>>> };
>>>>
>>>> static void
>>>> diff --git a/tests/ovn.at b/tests/ovn.at
>>>> index 4b4beb0..3df2e51 100644
>>>> --- a/tests/ovn.at
>>>> +++ b/tests/ovn.at
>>>> @@ -6334,6 +6334,359 @@ OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>>>>
>>>> AT_CLEANUP
>>>>
>>>> +AT_SETUP([ovn -- dns lookup : 1 HV, 2 LS, 2 LSPs/LS])
>>>> +AT_SKIP_IF([test $HAVE_PYTHON = no])
>>>> +ovn_start
>>>> +
>>>> +ovn-nbctl ls-add ls1
>>>> +
>>>> +ovn-nbctl lsp-add ls1 ls1-lp1 \
>>>> +-- lsp-set-addresses ls1-lp1 "f0:00:00:00:00:01 10.0.0.4 aef0::4"
>>>> +
>>>> +ovn-nbctl lsp-set-port-security ls1-lp1 "f0:00:00:00:00:01 10.0.0.4
>>>> aef0::4"
>>>> +
>>>> +ovn-nbctl lsp-add ls1 ls1-lp2 \
>>>> +-- lsp-set-addresses ls1-lp2 "f0:00:00:00:00:02 10.0.0.6 20.0.0.4"
>>>> +
>>>> +ovn-nbctl lsp-set-port-security ls1-lp2 "f0:00:00:00:00:02 10.0.0.6
>>>> 20.0.0.4"
>>>> +
>>>> +LP1_DNS=`ovn-nbctl create DNS hostname=vm1.ovn.org \
>>>> +ip_addresses="10.0.0.4 aef0\:\:4"`
>>>> +
>>>> +LP2_DNS=`ovn-nbctl create DNS hostname=vm2.ovn.org \
>>>> +ip_addresses="10.0.0.6 20.0.0.4"`
>>>> +
>>>> +ovn-nbctl add Logical_switch ls1 dns_lookups "$LP1_DNS $LP2_DNS"
>>>> +
>>>> +net_add n1
>>>> +sim_add hv1
>>>> +
>>>> +as hv1
>>>> +ovs-vsctl add-br br-phys
>>>> +ovn_attach n1 br-phys 192.168.0.1
>>>> +ovs-vsctl -- add-port br-int hv1-vif1 -- \
>>>> + set interface hv1-vif1 external-ids:iface-id=ls1-lp1 \
>>>> + options:tx_pcap=hv1/vif1-tx.pcap \
>>>> + options:rxq_pcap=hv1/vif1-rx.pcap \
>>>> + ofport-request=1
>>>> +
>>>> +ovs-vsctl -- add-port br-int hv1-vif2 -- \
>>>> + set interface hv1-vif2 external-ids:iface-id=ls1-lp2 \
>>>> + options:tx_pcap=hv1/vif2-tx.pcap \
>>>> + options:rxq_pcap=hv1/vif2-rx.pcap \
>>>> + ofport-request=2
>>>> +
>>>> +ovn_populate_arp
>>>> +sleep 2
>>>> +as hv1 ovs-vsctl show
>>>> +
>>>> +echo "*************************"
>>>> +ovn-sbctl list DNS
>>>> +echo "*************************"
>>>> +
>>>> +ip_to_hex() {
>>>> + printf "%02x%02x%02x%02x" "$@"
>>>> +}
>>>> +
>>>> +reset_pcap_file() {
>>>> + local iface=$1
>>>> + local pcap_file=$2
>>>> + ovs-vsctl -- set Interface $iface options:tx_pcap=dummy-tx.pcap \
>>>> +options:rxq_pcap=dummy-rx.pcap
>>>> + rm -f ${pcap_file}*.pcap
>>>> + ovs-vsctl -- set Interface $iface options:tx_pcap=${pcap_file}-tx.pcap
>>>> \
>>>> +options:rxq_pcap=${pcap_file}-rx.pcap
>>>> +}
>>>> +
>>>> +# set_lsp_dns_params lsp_name
>>>> +# Sets the dns_req_data and dns_resp_data
>>>> +set_lsp_dns_params() {
>>>> + local lsp_name=$1
>>>> + local ttl=00000e10
>>>> + an_count=0001
>>>> + type=0001
>>>> + case $lsp_name in
>>>> + ls1-lp1)
>>>> + # vm1.ovn.org
>>>> + hostname=03766d31036f766e036f726700
>>>> + # IPv4 address - 10.0.0.4
>>>> + expected_dns_answer=${hostname}00010001${ttl}00040a000004
>>>> + ;;
>>>> + ls1-lp2)
>>>> + # vm2.ovn.org
>>>> + hostname=03766d32036f766e036f726700
>>>> + # IPv4 address - 10.0.0.6
>>>> + expected_dns_answer=${hostname}00010001${ttl}00040a000006
>>>> + # IPv4 address - 20.0.0.4
>>>> + expected_dns_answer=${expected_dns_answer}${hostname}0001000
>>>> 1${ttl}000414000004
>>>> + an_count=0002
>>>> + ;;
>>>> + ls1-lp1_ipv6_only)
>>>> + # vm1.ovn.org
>>>> + hostname=03766d31036f766e036f726700
>>>> + # IPv6 address - aef0::4
>>>> + type=001c
>>>> + expected_dns_answer=${hostname}${type}0001${ttl}0010aef00000
>>>> 000000000000000000000004
>>>> + ;;
>>>> + ls1-lp1_ipv4_v6)
>>>> + # vm1.ovn.org
>>>> + hostname=03766d31036f766e036f726700
>>>> + type=00ff
>>>> + an_count=0002
>>>> + # IPv4 address - 10.0.0.4
>>>> + # IPv6 address - aef0::4
>>>> + expected_dns_answer=${hostname}00010001${ttl}00040a000004
>>>> + expected_dns_answer=${expected_dns_answer}${hostname}001c000
>>>> 1${ttl}0010
>>>> + expected_dns_answer=${expected_dns_answer}aef000000000000000
>>>> 00000000000004
>>>> + ;;
>>>> + ls1-lp1_invalid_type)
>>>> + # vm1.ovn.org
>>>> + hostname=03766d31036f766e036f726700
>>>> + # IPv6 address - aef0::4
>>>> + type=0002
>>>> + ;;
>>>> + ls1-lp1_incomplete)
>>>> + # set type to none
>>>> + type=''
>>>> + esac
>>>> + # TTL - 3600
>>>> + local dns_req_header=010201200001000000000000
>>>> + local dns_resp_header=010281200001${an_count}00000000
>>>> + dns_req_data=${dns_req_header}${hostname}${type}0001
>>>> + dns_resp_data=${dns_resp_header}${hostname}${type}0001${expe
>>>> cted_dns_answer}
>>>> +}
>>>> +
>>>> +# This shell function sends a DNS request packet
>>>> +# test_dns INPORT SRC_MAC DST_MAC SRC_IP DST_IP DNS_QUERY EXPEC
>>>> +test_dns() {
>>>> + local inport=$1 src_mac=$2 dst_mac=$3 src_ip=$4 dst_ip=$5
>>>> dns_reply=$6
>>>> + local dns_query_data=$7
>>>> + shift; shift; shift; shift; shift; shift; shift;
>>>> + # Packet size => IPv4 header (20) + UDP header (8) +
>>>> + # DNS data (header + query)
>>>> + ip_len=`expr 28 + ${#dns_query_data} / 2`
>>>> + udp_len=`expr $ip_len - 20`
>>>> + ip_len=$(printf "%x" $ip_len)
>>>> + udp_len=$(printf "%x" $udp_len)
>>>> + local request=${dst_mac}${src_mac}0800450000${ip_len}0000000080110
>>>> 000
>>>> + request=${request}${src_ip}${dst_ip}9234003500${udp_len}0000
>>>> + # dns data
>>>> + request=${request}${dns_query_data}
>>>> +
>>>> + if test $dns_reply != 0; then
>>>> + local dns_reply=$1
>>>> + ip_len=`expr 28 + ${#dns_reply} / 2`
>>>> + udp_len=`expr $ip_len - 20`
>>>> + ip_len=$(printf "%x" $ip_len)
>>>> + udp_len=$(printf "%x" $udp_len)
>>>> + local reply=${src_mac}${dst_mac}0800
>>>> 450000${ip_len}0000000080110000
>>>> + reply=${reply}${dst_ip}${src_ip}0035923400${udp_len}0000${dn
>>>> s_reply}
>>>> + echo $reply >> $inport.expected
>>>> + else
>>>> + for outport; do
>>>> + echo $request >> $outport.expected
>>>> + done
>>>> + fi
>>>> + as hv1 ovs-appctl netdev-dummy/receive hv1-vif$inport $request
>>>> +}
>>>> +
>>>> +AT_CAPTURE_FILE([ofctl_monitor0.log])
>>>> +as hv1 ovs-ofctl monitor br-int resume --detach --no-chdir \
>>>> +--pidfile=ovs-ofctl0.pid 2> ofctl_monitor0.log
>>>> +
>>>> +set_lsp_dns_params ls1-lp2
>>>> +src_ip=`ip_to_hex 10 0 0 4`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=1
>>>> +test_dns 1 f00000000001 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data $dns_resp_data
>>>> +
>>>> +# NXT_RESUMEs should be 1.
>>>> +OVS_WAIT_UNTIL([test 1 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif1-tx.pcap >
>>>> 1.packets
>>>> +cat 1.expected | cut -c -48 > expout
>>>> +AT_CHECK([cat 1.packets | cut -c -48], [0], [expout])
>>>> +# Skipping the IPv4 checksum.
>>>> +cat 1.expected | cut -c 53- > expout
>>>> +AT_CHECK([cat 1.packets | cut -c 53-], [0], [expout])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +set_lsp_dns_params ls1-lp1
>>>> +src_ip=`ip_to_hex 10 0 0 6`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=1
>>>> +test_dns 2 f00000000002 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data $dns_resp_data
>>>> +
>>>> +# NXT_RESUMEs should be 2.
>>>> +OVS_WAIT_UNTIL([test 2 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap >
>>>> 2.packets
>>>> +cat 2.expected | cut -c -48 > expout
>>>> +AT_CHECK([cat 2.packets | cut -c -48], [0], [expout])
>>>> +# Skipping the IPv4 checksum.
>>>> +cat 2.expected | cut -c 53- > expout
>>>> +AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +# Clear the hostname options for ls1-lp2
>>>> +ovn-nbctl --wait=hv clear Logical_switch ls1 dns_lookups
>>>> +ovn-nbctl --wait=hv add Logical_switch ls1 dns_lookups $LP1_DNS
>>>> +
>>>> +ovn-nbctl list logical_switch
>>>> +echo "****************"
>>>> +ovn-nbctl list DNS
>>>> +echo "****************"
>>>> +ovn-sbctl list DNS
>>>> +echo "**********"
>>>> +
>>>> +set_lsp_dns_params ls1-lp2
>>>> +src_ip=`ip_to_hex 10 0 0 4`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=0
>>>> +test_dns 1 f00000000001 f00000000002 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data
>>>> +
>>>> +# NXT_RESUMEs should be 3.
>>>> +OVS_WAIT_UNTIL([test 3 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif1-tx.pcap >
>>>> 1.packets
>>>> +AT_CHECK([cat 1.packets], [0], [])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +# Clear the hostname for ls1-lp1
>>>> +# Since no ports of ls1 has hostname configued,
>>>> +# ovn-northd should not add the DNS flows.
>>>> +ovn-nbctl clear Logical_switch ls1 dns_lookups
>>>> +set_lsp_dns_params ls1-lp1
>>>> +src_ip=`ip_to_hex 10 0 0 6`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=0
>>>> +test_dns 2 f00000000002 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data
>>>> +
>>>> +# NXT_RESUMEs should be 3 only.
>>>> +OVS_WAIT_UNTIL([test 3 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap >
>>>> 2.packets
>>>> +AT_CHECK([cat 2.packets], [0], [])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +# Test IPv6 (AAAA records) using IPv4 packet.
>>>> +# Add back the DNS options for ls1-lp1.
>>>> +ovn-nbctl add Logical_switch ls1 dns_lookups $LP1_DNS
>>>> +
>>>> +set_lsp_dns_params ls1-lp1_ipv6_only
>>>> +src_ip=`ip_to_hex 10 0 0 6`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=1
>>>> +test_dns 2 f00000000002 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data $dns_resp_data
>>>> +
>>>> +# NXT_RESUMEs should be 4.
>>>> +OVS_WAIT_UNTIL([test 4 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap >
>>>> 2.packets
>>>> +cat 2.expected | cut -c -48 > expout
>>>> +AT_CHECK([cat 2.packets | cut -c -48], [0], [expout])
>>>> +# Skipping the IPv4 checksum.
>>>> +cat 2.expected | cut -c 53- > expout
>>>> +AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +# Test both IPv4 (A) and IPv6 (AAAA records) using IPv4 packet.
>>>> +set_lsp_dns_params ls1-lp1_ipv4_v6
>>>> +src_ip=`ip_to_hex 10 0 0 6`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=1
>>>> +test_dns 2 f00000000002 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data $dns_resp_data
>>>> +
>>>> +# NXT_RESUMEs should be 5.
>>>> +OVS_WAIT_UNTIL([test 5 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap >
>>>> 2.packets
>>>> +cat 2.expected | cut -c -48 > expout
>>>> +AT_CHECK([cat 2.packets | cut -c -48], [0], [expout])
>>>> +# Skipping the IPv4 checksum.
>>>> +cat 2.expected | cut -c 53- > expout
>>>> +AT_CHECK([cat 2.packets | cut -c 53-], [0], [expout])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +# Invalid type.
>>>> +set_lsp_dns_params ls1-lp1_invalid_type
>>>> +src_ip=`ip_to_hex 10 0 0 6`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=0
>>>> +test_dns 2 f00000000002 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data
>>>> +
>>>> +# NXT_RESUMEs should be 6.
>>>> +OVS_WAIT_UNTIL([test 6 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap >
>>>> 2.packets
>>>> +AT_CHECK([cat 2.packets], [0], [])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +# Incomplete DNS packet.
>>>> +set_lsp_dns_params ls1-lp1_incomplete
>>>> +src_ip=`ip_to_hex 10 0 0 6`
>>>> +dst_ip=`ip_to_hex 10 0 0 1`
>>>> +dns_reply=0
>>>> +test_dns 2 f00000000002 f000000000f0 $src_ip $dst_ip $dns_reply
>>>> $dns_req_data
>>>> +
>>>> +# NXT_RESUMEs should be 7.
>>>> +OVS_WAIT_UNTIL([test 7 = `cat ofctl_monitor*.log | grep -c
>>>> NXT_RESUME`])
>>>> +
>>>> +$PYTHON "$top_srcdir/utilities/ovs-pcap.in" hv1/vif2-tx.pcap >
>>>> 2.packets
>>>> +AT_CHECK([cat 2.packets], [0], [])
>>>> +
>>>> +reset_pcap_file hv1-vif1 hv1/vif1
>>>> +reset_pcap_file hv1-vif2 hv1/vif2
>>>> +rm -f 1.expected
>>>> +rm -f 2.expected
>>>> +
>>>> +as hv1
>>>> +OVS_APP_EXIT_AND_WAIT([ovn-controller])
>>>> +OVS_APP_EXIT_AND_WAIT([ovs-vswitchd])
>>>> +OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>>>> +
>>>> +as ovn-sb
>>>> +OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>>>> +
>>>> +as ovn-nb
>>>> +OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>>>> +
>>>> +as northd
>>>> +OVS_APP_EXIT_AND_WAIT([ovn-northd])
>>>> +
>>>> +as main
>>>> +OVS_APP_EXIT_AND_WAIT([ovs-vswitchd])
>>>> +OVS_APP_EXIT_AND_WAIT([ovsdb-server])
>>>> +AT_CLEANUP
>>>> +
>>>> AT_SETUP([ovn -- 1 LR with distributed router gateway port])
>>>> AT_SKIP_IF([test $HAVE_PYTHON = no])
>>>> ovn_start
>>>> --
>>>> 2.9.3
>>>>
>>>> _______________________________________________
>>>> dev mailing list
>>>> d...@openvswitch.org
>>>> https://mail.openvswitch.org/mailman/listinfo/ovs-dev
>>>>
>>>
>>>
>>
>
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