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arp_proxy_config_test.go
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// Copyright (c) 2018 Cisco and/or its affiliates.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package l3plugin_test
import (
"testing"
"git.fd.io/govpp.git/adapter/mock"
"git.fd.io/govpp.git/core"
"github.com/ligato/cn-infra/logging"
"github.com/ligato/vpp-agent/idxvpp/nametoidx"
"github.com/ligato/vpp-agent/plugins/vpp/binapi/ip"
"github.com/ligato/vpp-agent/plugins/vpp/ifplugin/ifaceidx"
"github.com/ligato/vpp-agent/plugins/vpp/l3plugin"
"github.com/ligato/vpp-agent/plugins/vpp/model/l3"
"github.com/ligato/vpp-agent/tests/vppcallmock"
. "github.com/onsi/gomega"
)
// Test adding of ARP proxy entry
func TestAddInterface(t *testing.T) {
// Setup
ctx, connection, plugin, ifIndexes := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
ifIndexes.GetMapping().RegisterName("tap1", 1, nil)
ifIndexes.GetMapping().RegisterName("tap2", 2, nil)
err := plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf1",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: ""}},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(0))
err = plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
err = plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf3",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap2"}},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
err = plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf4",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap1"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(2))
}
// Test deleting of ARP proxy entry
func TestDeleteInterface(t *testing.T) {
// Setup
ctx, connection, plugin, ifIndexes := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
ifIndexes.GetMapping().RegisterName("tap1", 1, nil)
ifIndexes.GetMapping().RegisterName("tap2", 2, nil)
plugin.GetArpIfIndexes().RegisterName("proxyArpIf1", 1, nil)
plugin.GetArpIfIndexes().RegisterName("proxyArpIf2", 2, nil)
plugin.GetArpIfIndexes().RegisterName("proxyArpIf3", 3, nil)
plugin.GetArpIfIndexes().RegisterName("proxyArpIf4", 4, nil)
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(4))
err := plugin.DeleteInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf1",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(3))
err = plugin.DeleteInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf3",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap2"}},
})
Expect(err).Should(HaveOccurred())
Expect(err).To(Not(BeNil()))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(3))
err = plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
err = plugin.DeleteInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(2))
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
err = plugin.DeleteInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf4",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap1"}},
})
Expect(err).To(BeNil())
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
}
// Test deleting of ARP proxy entry
func TestModifyInterface(t *testing.T) {
// Setup
ctx, connection, plugin, ifIndexes := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
ifIndexes.GetMapping().RegisterName("tap1", 1, nil)
ifIndexes.GetMapping().RegisterName("tap2", 2, nil)
err := plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
// old int deleted from cache
err = plugin.ModifyInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf3",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap2"}},
}, &l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
err = plugin.ModifyInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf3",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap2"}},
}, &l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf4",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap1"}},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
// new int added to cache
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
err = plugin.ModifyInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
}, &l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf3",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap2"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()[0]).To(Equal("tap3"))
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
err = plugin.ModifyInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf3",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap2"}},
}, &l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf4",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap1"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
}
// Test adding of ARP proxy range
func TestAddRange(t *testing.T) {
// Setup
ctx, connection, plugin, _ := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(0))
err := plugin.AddRange(&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
// err cases
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
err = plugin.AddRange(&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
err = plugin.AddRange(&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIfErr",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.20.0/24/32", LastIp: "124.168.30.10"},
{FirstIp: "124.168.20.5", LastIp: "124.168.30.5/16/24"},
},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
}
// Test deleting of ARP proxy range
func TestDeleteRange(t *testing.T) {
// Setup
ctx, connection, plugin, _ := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
plugin.GetArpRngIndexes().RegisterName("proxyArpIf1", 1, nil)
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
err := plugin.DeleteRange(&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(0))
plugin.GetArpRngIndexes().RegisterName("proxyArpIf1", 1, nil)
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
err = plugin.DeleteRange(&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
err = plugin.DeleteRange(&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIfErr",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.20.0/24/32", LastIp: "124.168.30.10"},
{FirstIp: "124.168.20.5", LastIp: "124.168.30.5/16/24"},
},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
}
// Test modification of ARP proxy range
func TestModifyRange1(t *testing.T) {
// Setup
ctx, connection, plugin, _ := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
plugin.GetArpRngIndexes().RegisterName("proxyArpIf1", 1, nil)
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
err := plugin.ModifyRange(
&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf2",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "172.154.100.0/24", LastIp: "172.154.200.0/24"},
},
},
&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
err = plugin.ModifyRange(
&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf2",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "172.154.100.0/24", LastIp: "172.154.200.0/24"},
},
},
&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).Should(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpRngIndexes().ListNames()).To(HaveLen(1))
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
err = plugin.ModifyRange(
&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf2",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "172.154.100.0/24", LastIp: "172.154.200.0/24"},
},
},
&l3.ProxyArpRanges_RangeList{
Label: "proxyArpIf1",
Ranges: []*l3.ProxyArpRanges_RangeList_Range{
{FirstIp: "124.168.10.5", LastIp: "124.168.10.10"},
{FirstIp: "124.168.20.0/24", LastIp: "124.168.20.0/24"},
},
})
Expect(err).ShouldNot(HaveOccurred())
}
// Test resolution of new registered interface for proxy ARP
func TestArpProxyResolveCreatedInterface(t *testing.T) {
// Setup
ctx, connection, plugin, _ := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
err := plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf2",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap3"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()[0]).To(Equal("tap3"))
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
err = plugin.ResolveCreatedInterface("tap3", 1)
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
}
// Test resolution of new registered interface for proxy ARP
func TestArpProxyResolveDeletedInterface(t *testing.T) {
// Setup
ctx, connection, plugin, ifIndexes := proxyarpTestSetup(t)
defer proxyarpTestTeardown(connection, plugin)
ifIndexes.GetMapping().RegisterName("tap1", 1, nil)
ctx.MockVpp.MockReply(&ip.ProxyArpIntfcEnableDisableReply{})
err := plugin.AddInterface(&l3.ProxyArpInterfaces_InterfaceList{
Label: "proxyArpIf4",
Interfaces: []*l3.ProxyArpInterfaces_InterfaceList_Interface{{Name: "tap1"}},
})
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(0))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
ctx.MockVpp.MockReply(&ip.ProxyArpAddDelReply{})
err = plugin.ResolveDeletedInterface("proxyArpIf4")
Expect(err).ShouldNot(HaveOccurred())
Expect(plugin.GetArpIfCache()).To(HaveLen(1))
Expect(plugin.GetArpIfCache()[0]).To(Equal("proxyArpIf4"))
Expect(plugin.GetArpIfIndexes().ListNames()).To(HaveLen(1))
}
// Test Setup
func proxyarpTestSetup(t *testing.T) (*vppcallmock.TestCtx, *core.Connection, *l3plugin.ProxyArpConfigurator, ifaceidx.SwIfIndex) {
RegisterTestingT(t)
ctx := &vppcallmock.TestCtx{
MockVpp: &mock.VppAdapter{},
}
connection, err := core.Connect(ctx.MockVpp)
Expect(err).ShouldNot(HaveOccurred())
plugin := &l3plugin.ProxyArpConfigurator{}
ifIndexes := ifaceidx.NewSwIfIndex(nametoidx.NewNameToIdx(logging.ForPlugin("test-log"), "l3-plugin", nil))
err = plugin.Init(logging.ForPlugin("test-log"), connection, ifIndexes, false)
Expect(err).To(BeNil())
return ctx, connection, plugin, ifIndexes
}
// Test Teardown
func proxyarpTestTeardown(connection *core.Connection, plugin *l3plugin.ProxyArpConfigurator) {
connection.Disconnect()
Expect(plugin.Close()).To(BeNil())
logging.DefaultRegistry.ClearRegistry()
}