github.com/elfadel/cilium@v1.6.12/pkg/datapath/linux/node_test.go (about) 1 // Copyright 2018-2019 Authors of Cilium 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // +build !privileged_tests 16 17 package linux 18 19 import ( 20 "net" 21 22 "github.com/cilium/cilium/pkg/checker" 23 "github.com/cilium/cilium/pkg/cidr" 24 "github.com/cilium/cilium/pkg/datapath/fake" 25 26 "gopkg.in/check.v1" 27 ) 28 29 func (s *linuxTestSuite) TestTunnelCIDRUpdateRequired(c *check.C) { 30 c1 := cidr.MustParseCIDR("10.1.0.0/16") 31 c2 := cidr.MustParseCIDR("10.2.0.0/16") 32 ip1 := net.ParseIP("1.1.1.1") 33 ip2 := net.ParseIP("2.2.2.2") 34 35 c.Assert(cidrNodeMappingUpdateRequired(nil, nil, ip1, ip1, 0, 0), check.Equals, false) // disabled -> disabled 36 c.Assert(cidrNodeMappingUpdateRequired(nil, c1, ip1, ip1, 0, 0), check.Equals, true) // disabled -> c1 37 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip1, 0, 0), check.Equals, false) // c1 -> c1 38 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip2, 0, 0), check.Equals, true) // c1 -> c1 (changed host IP) 39 c.Assert(cidrNodeMappingUpdateRequired(c1, c2, ip2, ip2, 0, 0), check.Equals, true) // c1 -> c2 40 c.Assert(cidrNodeMappingUpdateRequired(c2, nil, ip2, ip2, 0, 0), check.Equals, false) // c2 -> disabled 41 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip1, 0, 1), check.Equals, true) // key upgrade 0 -> 1 42 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip1, 1, 0), check.Equals, true) // key downgrade 1 -> 0 43 44 c1 = cidr.MustParseCIDR("f00d::a0a:0:0:0/96") 45 c2 = cidr.MustParseCIDR("f00d::b0b:0:0:0/96") 46 ip1 = net.ParseIP("cafe::1") 47 ip2 = net.ParseIP("cafe::2") 48 49 c.Assert(cidrNodeMappingUpdateRequired(nil, nil, ip1, ip1, 0, 0), check.Equals, false) // disabled -> disabled 50 c.Assert(cidrNodeMappingUpdateRequired(nil, c1, ip1, ip1, 0, 0), check.Equals, true) // disabled -> c1 51 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip1, 0, 0), check.Equals, false) // c1 -> c1 52 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip2, 0, 0), check.Equals, true) // c1 -> c1 (changed host IP) 53 c.Assert(cidrNodeMappingUpdateRequired(c1, c2, ip2, ip2, 0, 0), check.Equals, true) // c1 -> c2 54 c.Assert(cidrNodeMappingUpdateRequired(c2, nil, ip2, ip2, 0, 0), check.Equals, false) // c2 -> disabled 55 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip1, 0, 1), check.Equals, true) // key upgrade 0 -> 1 56 c.Assert(cidrNodeMappingUpdateRequired(c1, c1, ip1, ip1, 1, 0), check.Equals, true) // key downgrade 1 -> 0 57 } 58 59 func (s *linuxTestSuite) TestCreateNodeRoute(c *check.C) { 60 dpConfig := DatapathConfiguration{ 61 HostDevice: "host_device", 62 } 63 64 fakeNodeAddressing := fake.NewNodeAddressing() 65 66 nodeHandler := NewNodeHandler(dpConfig, fakeNodeAddressing) 67 68 c1 := cidr.MustParseCIDR("10.10.0.0/16") 69 generatedRoute, err := nodeHandler.(*linuxNodeHandler).createNodeRoute(c1) 70 c.Assert(err, check.IsNil) 71 c.Assert(generatedRoute.Prefix, checker.DeepEquals, *c1.IPNet) 72 c.Assert(generatedRoute.Device, check.Equals, dpConfig.HostDevice) 73 c.Assert(*generatedRoute.Nexthop, checker.DeepEquals, fakeNodeAddressing.IPv4().Router()) 74 c.Assert(generatedRoute.Local, checker.DeepEquals, fakeNodeAddressing.IPv4().Router()) 75 76 c1 = cidr.MustParseCIDR("beef:beef::/48") 77 generatedRoute, err = nodeHandler.(*linuxNodeHandler).createNodeRoute(c1) 78 c.Assert(err, check.IsNil) 79 c.Assert(generatedRoute.Prefix, checker.DeepEquals, *c1.IPNet) 80 c.Assert(generatedRoute.Device, check.Equals, dpConfig.HostDevice) 81 c.Assert(*generatedRoute.Nexthop, checker.DeepEquals, fakeNodeAddressing.IPv6().Router()) 82 c.Assert(generatedRoute.Local, checker.DeepEquals, fakeNodeAddressing.IPv6().PrimaryExternal()) 83 }