path: root/tests/ovn-controller-vtep.at

AT_BANNER([ovn_controller_vtep])

# OVN_CONTROLLER_VTEP_START
#
# Starts the test with a setup with vtep device.  Each test case must first
# call this macro.
#
# Uses vtep-ovs to simulate the vtep switch 'br-vtep' with two physical ports
# 'p0', 'p1'.
#
# Configures ovn-nb with a logical switch 'br-test'.
#
#
m4_define([OVN_CONTROLLER_VTEP_START],
  [
   # this will cause skip when 'make check' using Windows setup.
   AT_SKIP_IF([test $HAVE_PYTHON = no])

   OVS_RUNDIR=`pwd`; export OVS_RUNDIR
   OVS_LOGDIR=`pwd`; export OVS_LOGDIR
   OVS_DBDIR=`pwd`; export OVS_DBDIR
   OVS_SYSCONFDIR=`pwd`; export OVS_SYSCONFDIR

   dnl Create databases (ovn-nb, ovn-sb, vtep).
   AT_CHECK([ovsdb-tool create vswitchd.db $abs_top_srcdir/vswitchd/vswitch.ovsschema])
   for daemon in ovn-nb ovn-sb vtep; do
      AT_CHECK([ovsdb-tool create $daemon.db $abs_top_srcdir/${daemon%%-*}/${daemon}.ovsschema])
   done

   dnl Start ovsdb-server.
   AT_CHECK([ovsdb-server --detach --no-chdir --pidfile --log-file --remote=punix:$OVS_RUNDIR/db.sock vswitchd.db vtep.db ovn-nb.db ovn-sb.db], [0], [], [stderr])
    ON_EXIT_UNQUOTED([kill `cat ovsdb-server.pid`])
   AT_CHECK([[sed < stderr '
/vlog|INFO|opened log file/d
/ovsdb_server|INFO|ovsdb-server (Open vSwitch)/d']])
   AT_CAPTURE_FILE([ovsdb-server.log])

   dnl Start ovs-vswitchd.
   AT_CHECK([ovs-vswitchd --enable-dummy --disable-system --detach --no-chdir --pidfile --log-file -vvconn -vofproto_dpif], [0], [], [stderr])
   AT_CAPTURE_FILE([ovs-vswitchd.log])
   ON_EXIT_UNQUOTED([kill `cat ovs-vswitchd.pid`])
   AT_CHECK([[sed < stderr '
/ovs_numa|INFO|Discovered /d
/vlog|INFO|opened log file/d
/vswitchd|INFO|ovs-vswitchd (Open vSwitch)/d
/reconnect|INFO|/d
/ofproto|INFO|using datapath ID/d
/ofproto|INFO|datapath ID changed to fedcba9876543210/d']])
   AT_CHECK([ovs-vsctl -- add-br br-vtep \
              -- set bridge br-vtep datapath-type=dummy other-config:datapath-id=fedcba9876543210 other-config:hwaddr=aa:55:aa:55:00:00 protocols=[[OpenFlow10,OpenFlow11,OpenFlow12,OpenFlow13,OpenFlow14,OpenFlow15]] fail-mode=secure \
              -- add-port br-vtep p0 -- set Interface p0 type=dummy ofport_request=1 \
              -- add-port br-vtep p1 -- set Interface p1 type=dummy ofport_request=2])

   dnl Start ovs-vtep.
   AT_CHECK([vtep-ctl add-ps br-vtep -- set Physical_Switch br-vtep tunnel_ips=1.2.3.4])
   AT_CHECK([ovs-vtep --log-file=ovs-vtep.log --pidfile=ovs-vtep.pid --detach br-vtep \], [0], [], [stderr])
   ON_EXIT_UNQUOTED([kill `cat ovs-vtep.pid`])
   AT_CHECK([[sed < stderr '
/vlog|INFO|opened log file/d']])
   # waits until ovs-vtep starts up.
   OVS_WAIT_UNTIL([test -n "`vtep-ctl show | grep Physical_Port`"])

   dnl Start ovn-northd.
   AT_CHECK([ovn-nbctl lswitch-add br-test])
   AT_CHECK([ovn-northd --detach --pidfile --log-file --ovnnb-db=unix:$OVS_RUNDIR/db.sock --ovnsb-db=unix:$OVS_RUNDIR/db.sock], [0], [], [stderr])
   ON_EXIT_UNQUOTED([kill `cat ovn-northd.pid`])
   AT_CHECK([[sed < stderr '
/vlog|INFO|opened log file/d']])
   AT_CAPTURE_FILE([ovn-northd.log])

   dnl Start ovn-controllger-vtep.
   AT_CHECK([ovn-controller-vtep --detach --pidfile --log-file --vtep-db=unix:$OVS_RUNDIR/db.sock --ovnsb-db=unix:$OVS_RUNDIR/db.sock], [0], [], [stderr])
   AT_CAPTURE_FILE([ovn-controller-vtep.log])
   ON_EXIT_UNQUOTED([kill `cat ovn-controller-vtep.pid`])
   AT_CHECK([[sed < stderr '
/vlog|INFO|opened log file/d
/reconnect|INFO|/d']])
])

# OVN_CONTROLLER_VTEP_STOP
#
# So many exits... Yeah, we started a lot daemons~
#
m4_define([OVN_CONTROLLER_VTEP_STOP],
  [# removes all 'Broken pipe' warning logs from ovsdb-server.log.  this is in
   # that *ctl command (e.g. ovn-nbctl) exits right after committing the change
   # to database.  however, in reaction, some daemon (e.g. ovn-controller-vtep)
   # may immediately update the database.  this later update may cause database
   # sending update back to *ctl command if *ctl has not proceeded to exit yet.
   # and if *ctl command exits before database calling send, the send from
   # database will fail with 'Broken pipe' error.
   AT_CHECK([check_logs "$1
/Broken pipe/d"])
   AT_CHECK([ovs-appctl -t ovs-vtep exit])
   AT_CHECK([ovs-appctl -t ovn-northd exit])
   AT_CHECK([ovs-appctl -t ovn-controller-vtep exit])
   # makes sure ovn-controller-vtep exits.
   OVS_WAIT_UNTIL([test ! -f ovn-controller-vtep.pid])
   AT_CHECK([ovs-appctl -t ovsdb-server exit])
   AT_CHECK([ovs-appctl -t ovs-vswitchd exit])])

# Adds logical port for a vtep gateway chassis in ovn-nb database.
#
# $1: logical switch name in ovn-nb database
# $2: logical port name
# $3: physical vtep gateway name
# $4: logical switch name on vtep gateway chassis
m4_define([OVN_NB_ADD_VTEP_PORT], [
AT_CHECK([ovn-nbctl lport-add $1 $2])
AT_CHECK([ovn-nbctl lport-set-type $2 vtep])
AT_CHECK([ovn-nbctl lport-set-options $2 vtep-physical-switch=$3 vtep-logical-switch=$4])
])

##############################################

# tests chassis related updates.
AT_SETUP([ovn-controller-vtep - test chassis])
OVN_CONTROLLER_VTEP_START

# verifies the initial ovn-sb db configuration.
AT_CHECK([ovn-sbctl show], [0], [dnl
Chassis br-vtep
    Encap vxlan
        ip: "1.2.3.4"
])

# deletes the chassis via ovn-sbctl and check that it is readded back
# with the log.
AT_CHECK([ovn-sbctl chassis-del br-vtep])
OVS_WAIT_UNTIL([test -n "`grep WARN ovn-controller-vtep.log`"])
AT_CHECK([sed -n 's/^.*\(|WARN|.*\)$/\1/p' ovn-controller-vtep.log], [0], [dnl
|WARN|Chassis for VTEP physical switch (br-vtep) disappears, maybe deleted by ovn-sbctl, adding it back
])

# changes the tunnel_ip on physical switch, watches the update of chassis's
# encap.
AT_CHECK([vtep-ctl set Physical_Switch br-vtep tunnel_ips=1.2.3.5])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl show | grep 1\.2\.3\.5`"])
AT_CHECK([ovn-sbctl --columns=ip list Encap | cut -d ':' -f2 | tr -d ' '], [0], [dnl
"1.2.3.5"
])

# adds vlan_bindings to physical ports.
AT_CHECK([vtep-ctl add-ls lswitch0 -- bind-ls br-vtep p0 100 lswitch0 -- bind-ls br-vtep p0 200 lswitch0 -- bind-ls br-vtep p1 300 lswitch0])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Chassis | grep -- lswitch0`"])
AT_CHECK([ovn-sbctl --columns=vtep_logical_switches list Chassis | cut -d ':' -f2 | tr -d ' ' ], [0], [dnl
[["lswitch0"]]
])

# adds another logical switch and new vlan_bindings.
AT_CHECK([vtep-ctl add-ls lswitch1 -- bind-ls br-vtep p0 300 lswitch1])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Chassis | grep -- lswitch1`"])
AT_CHECK([ovn-sbctl --columns=vtep_logical_switches list Chassis | cut -d ':' -f2 | tr -d ' '], [0], [dnl
[["lswitch0","lswitch1"]]
])

# unbinds one port from lswitch0, nothing should change.
AT_CHECK([vtep-ctl unbind-ls br-vtep p0 200])
OVS_WAIT_UNTIL([test -z "`vtep-ctl --columns=vlan_bindings list physical_port p0 | grep -- '200='`"])
AT_CHECK([ovn-sbctl --columns=vtep_logical_switches list Chassis | cut -d ':' -f2 | tr -d ' ' ], [0], [dnl
[["lswitch0","lswitch1"]]
])

# unbinds all ports from lswitch0.
AT_CHECK([vtep-ctl unbind-ls br-vtep p0 100 -- unbind-ls br-vtep p1 300])
OVS_WAIT_UNTIL([test -z "`ovn-sbctl list Chassis | grep -- br-vtep_lswitch0`"])
AT_CHECK([ovn-sbctl --columns=vtep_logical_switches list Chassis | cut -d ':' -f2 | tr -d ' ' ], [0], [dnl
[["lswitch1"]]
])

# unbinds all ports from lswitch1.
AT_CHECK([vtep-ctl unbind-ls br-vtep p0 300])
OVS_WAIT_UNTIL([test -z "`ovn-sbctl list Chassis | grep -- br-vtep_lswitch1`"])
AT_CHECK([ovn-sbctl --columns=vtep_logical_switches list Chassis | cut -d ':' -f2 | tr -d ' '], [0], [dnl
[[]]
])

OVN_CONTROLLER_VTEP_STOP([/Chassis for VTEP physical switch (br-vtep) disappears/d])
AT_CLEANUP


# Tests binding updates.
AT_SETUP([ovn-controller-vtep - test binding 1])
OVN_CONTROLLER_VTEP_START

# adds logical switch 'lswitch0' and vlan_bindings.
AT_CHECK([vtep-ctl add-ls lswitch0 -- bind-ls br-vtep p0 100 lswitch0 -- bind-ls br-vtep p1 300 lswitch0])
# adds lport in ovn-nb database, and sets the type and options.
OVN_NB_ADD_VTEP_PORT([br-test], [br-vtep_lswitch0], [br-vtep], [lswitch0])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Port_Binding  | grep br-vtep_lswitch0`"])
# should see one binding, associated to chassis of 'br-vtep'.
chassis_uuid=$(ovn-sbctl --columns=_uuid list Chassis br-vtep | cut -d ':' -f2 | tr -d ' ')
AT_CHECK_UNQUOTED([ovn-sbctl --columns=chassis list Port_Binding br-vtep_lswitch0 | cut -d ':' -f2 | tr -d ' '], [0], [dnl
${chassis_uuid}
])

# adds another logical switch 'lswitch1' and vlan_bindings.
AT_CHECK([vtep-ctl add-ls lswitch1 -- bind-ls br-vtep p0 200 lswitch1])
# adds lport in ovn-nb database for lswitch1.
OVN_NB_ADD_VTEP_PORT([br-test], [br-vtep_lswitch1], [br-vtep], [lswitch1])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Port_Binding | grep -- br-vtep_lswitch1`"])
# This is allowed, but not recommended, to have two vlan_bindings (to different vtep logical switches)
# from one vtep gateway physical port in one ovn-nb logical swithch.
AT_CHECK_UNQUOTED([ovn-sbctl --columns=chassis list Port_Binding | cut -d ':' -f2 | tr -d ' ' | sort -d], [0], [dnl

${chassis_uuid}
${chassis_uuid}
])

# adds another lport in ovn-nb database for lswitch0.
OVN_NB_ADD_VTEP_PORT([br-test], [br-vtep_lswitch0_dup], [br-vtep], [lswitch0])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Port_Binding | grep -- br-vtep_lswitch0_dup`"])
# it is not allowed to have more than one ovn-nb logical port for the same
# vtep logical switch on a vtep gateway chassis, so should still see only
# two port_binding entries bound.
AT_CHECK_UNQUOTED([ovn-sbctl --columns=chassis list Port_Binding | cut -d ':' -f2 | tr -d ' ' | sort -d], [0], [dnl


[[]]
${chassis_uuid}
${chassis_uuid}
])
# confirms the warning log.
AT_CHECK([sed -n 's/^.*\(|WARN|.*\)$/\1/p' ovn-controller-vtep.log | sed 's/([[-_0-9a-z]][[-_0-9a-z]]*)/()/g' | uniq], [0], [dnl
|WARN|logical switch (), on vtep gateway chassis () has already been associated with logical port (), ignore logical port ()
])

# deletes physical ports from vtep.
AT_CHECK([ovs-vsctl del-port p0 -- del-port p1])
AT_CHECK([vtep-ctl del-port br-vtep p0 -- del-port br-vtep p1])
OVS_WAIT_UNTIL([test -z "`ovn-sbctl list Chassis | grep -- br-vtep_lswitch`"])
# should see empty chassis column in both binding entries.
AT_CHECK_UNQUOTED([ovn-sbctl --columns=chassis list Port_Binding | cut -d ':' -f2 | tr -d ' ' | sort], [0], [dnl


[[]]
[[]]
[[]]
])

OVN_CONTROLLER_VTEP_STOP([/has already been associated with logical port/d])
AT_CLEANUP


# Tests corner case: Binding the vtep logical switch from two different
# datapath.
AT_SETUP([ovn-controller-vtep - test binding 2])
OVN_CONTROLLER_VTEP_START

# adds logical switch 'lswitch0' and vlan_bindings.
AT_CHECK([vtep-ctl add-ls lswitch0 -- bind-ls br-vtep p0 100 lswitch0])
# adds lport in ovn-nb database, and sets the type and options.
OVN_NB_ADD_VTEP_PORT([br-test], [br-vtep_lswitch0], [br-vtep], [lswitch0])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Port_Binding  | grep br-vtep_lswitch0`"])

# adds another lswitch 'br-void' in ovn-nb database.
AT_CHECK([ovn-nbctl lswitch-add br-void])
# adds another vtep pswitch 'br-vtep-void' in vtep database.
AT_CHECK([vtep-ctl add-ps br-vtep-void -- add-port br-vtep-void p0-void -- bind-ls br-vtep-void p0-void 100 lswitch0])
# adds a conflicting logical port (both br-vtep_lswitch0 and br-vtep-void_lswitch0
# are bound to the same logical switch, but they are on different datapath).
OVN_NB_ADD_VTEP_PORT([br-void], [br-vtep-void_lswitch0], [br-vtep-void], [lswitch0])
OVS_WAIT_UNTIL([test -n "`ovn-sbctl list Port_Binding  | grep br-vtep-void_lswitch0`"])
OVS_WAIT_UNTIL([test -n "`grep WARN ovn-controller-vtep.log`"])
# confirms the warning log.
AT_CHECK([sed -n 's/^.*\(|WARN|.*\)$/\1/p' ovn-controller-vtep.log | sed 's/([[-_0-9a-z]][[-_0-9a-z]]*)/()/g;s/(with tunnel key [[0-9]][[0-9]]*)/()/g' | uniq], [0], [dnl
|WARN|logical switch (), on vtep gateway chassis () has already been associated with logical datapath (), ignore logical port () which belongs to logical datapath ()
])

# then deletes 'br-void' and 'br-vtep-void', should see 'br-vtep_lswitch0'
# bound correctly.
AT_CHECK([ovn-nbctl lswitch-del br-void])
# adds another vtep pswitch 'br-vtep-void' in vtep database.
AT_CHECK([vtep-ctl del-ps br-vtep-void])
OVS_WAIT_UNTIL([test -z "`ovn-sbctl list Port_Binding | grep br-vtep-void_lswitch0`"])
chassis_uuid=$(ovn-sbctl --columns=_uuid list Chassis br-vtep | cut -d ':' -f2 | tr -d ' ')
AT_CHECK_UNQUOTED([ovn-sbctl --columns=chassis list Port_Binding br-vtep_lswitch0 | cut -d ':' -f2 | tr -d ' '], [0], [dnl
${chassis_uuid}
])

OVN_CONTROLLER_VTEP_STOP([/has already been associated with logical datapath/d])
AT_CLEANUP