AT_BANNER([ovn-controller])

AT_SETUP([ovn-controller - ovn-bridge-mappings])
AT_KEYWORDS([ovn])
ovn_init_db ovn-sb
net_add n1
sim_add hv
as hv
ovs-vsctl \
    -- add-br br-phys \
    -- add-br br-eth0 \
    -- add-br br-eth1 \
    -- add-br br-eth2
ovn_attach n1 br-phys 192.168.0.1

# Waits until the OVS database contains exactly the specified patch ports.
# Each argument should be of the form BRIDGE PORT PEER.
check_patches () {
    # Generate code to check that the set of patch ports is exactly as
    # specified.
    echo 'ovs-vsctl -f csv -d bare --no-headings --columns=name find Interface type=patch | sort' > query
    for patch
    do
	echo $patch
    done | cut -d' ' -f 2 | sort > expout

    # Generate code to verify that the configuration of each patch
    # port is correct.
    for patch
    do
	set $patch; bridge=$1 port=$2 peer=$3
        echo >>query "ovs-vsctl iface-to-br $port -- get Interface $port type options"
        echo >>expout "$bridge
patch
{peer=$peer}"
    done

    # Run the query until we get the expected result (or until a timeout).
    #
    # (We use sed to drop all "s from output because ovs-vsctl quotes some
    # of the port names but not others.)
    AT_CAPTURE_FILE([query])
    AT_CAPTURE_FILE([expout])
    AT_CAPTURE_FILE([stdout])
    OVS_WAIT_UNTIL([. ./query | sed 's/"//g' > stdout #"
                    diff -u stdout expout >/dev/null])
}

# Initially there should be no patch ports.
check_patches

# Configure two ovn-bridge mappings, but no patch ports should be created yet
AT_CHECK([ovs-vsctl set Open_vSwitch . external-ids:ovn-bridge-mappings=physnet1:br-eth0,physnet2:br-eth1])
check_patches

# Create a localnet port, but we should still have no patch ports, as they
# won't be created until there's a localnet port on a logical switch with
# another logical port bound to this chassis.
ovn-sbctl \
    -- --id=@dp101 create Datapath_Binding tunnel_key=101 \
    -- create Port_Binding datapath=@dp101 logical_port=localnet1 tunnel_key=1 \
        type=localnet options:network_name=physnet1
check_patches

# Create a localnet port on a logical switch with a port bound to this chassis.
# Now we should get some patch ports created.
ovn-sbctl \
    -- --id=@dp102 create Datapath_Binding tunnel_key=102 \
    -- create Port_Binding datapath=@dp102 logical_port=localnet2 tunnel_key=1 \
        type=localnet options:network_name=physnet1 \
    -- create Port_Binding datapath=@dp102 logical_port=localvif2 tunnel_key=2
ovs-vsctl add-port br-int localvif2 -- set Interface localvif2 external_ids:iface-id=localvif2
check_patches \
    'br-int  patch-br-int-to-localnet2 patch-localnet2-to-br-int' \
    'br-eth0 patch-localnet2-to-br-int patch-br-int-to-localnet2'

# Add logical patch ports.
AT_CHECK([ovn-sbctl \
    -- --id=@dp1 create Datapath_Binding tunnel_key=1 \
    -- --id=@dp2 create Datapath_Binding tunnel_key=2 \
    -- create Port_Binding datapath=@dp1 logical_port=foo tunnel_key=1 type=patch options:peer=bar \
    -- create Port_Binding datapath=@dp2 logical_port=bar tunnel_key=2 type=patch options:peer=foo \
| ${PERL} $srcdir/uuidfilt.pl], [0], [<0>
<1>
<2>
<3>
])
check_patches \
    'br-int  patch-br-int-to-localnet2 patch-localnet2-to-br-int' \
    'br-eth0 patch-localnet2-to-br-int patch-br-int-to-localnet2' \
    'br-int  patch-foo-to-bar        patch-bar-to-foo' \
    'br-int  patch-bar-to-foo        patch-foo-to-bar'

# Delete the mapping and the ovn-bridge-mapping patch ports should go away;
# the ones from the logical patch port remain.
AT_CHECK([ovs-vsctl remove Open_vSwitch . external-ids ovn-bridge-mappings])
check_patches \
    'br-int patch-foo-to-bar patch-bar-to-foo' \
    'br-int patch-bar-to-foo patch-foo-to-bar'

# Change name of logical patch port, check that the OVS patch ports
# get updated.
AT_CHECK([ovn-sbctl \
    -- set Port_Binding foo logical_port=quux options:peer=baz \
    -- set Port_Binding bar logical_port=baz  options:peer=quux])
check_patches \
    'br-int patch-quux-to-baz patch-baz-to-quux' \
    'br-int patch-baz-to-quux patch-quux-to-baz'

# Change the logical patch ports to VIFs and verify that the OVS patch
# ports disappear.
AT_CHECK([ovn-sbctl \
    -- set Port_Binding quux type='""' options='{}' \
    -- set Port_Binding baz type='""' options='{}'])
check_patches

# Gracefully terminate ovn-controller
ovs-appctl -t ovn-controller exit
AT_CLEANUP