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| // Copyright 2019-2024 The Liqo Authors | ||
| // | ||
| // 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 ipam | ||
|
|
||
| import ( | ||
| "context" | ||
| "net/netip" | ||
|
|
||
| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
| "k8s.io/client-go/kubernetes/scheme" | ||
| "sigs.k8s.io/controller-runtime/pkg/client/fake" | ||
|
|
||
| ipamcore "github.com/liqotech/liqo/pkg/ipam/core" | ||
| "github.com/liqotech/liqo/pkg/utils/testutil" | ||
| ) | ||
|
|
||
| var _ = Describe("Initialize routine tests", func() { | ||
| const ( | ||
| testNamespace = "test" | ||
| ) | ||
|
|
||
| var ( | ||
| ctx context.Context | ||
| fakeClientBuilder *fake.ClientBuilder | ||
|
|
||
| fakeIpamServer *LiqoIPAM | ||
| ) | ||
|
|
||
| BeforeEach(func() { | ||
| ctx = context.Background() | ||
| fakeClientBuilder = fake.NewClientBuilder().WithScheme(scheme.Scheme) | ||
| }) | ||
|
|
||
| Describe("Testing ipam initialization", func() { | ||
| Context("Initialize", func() { | ||
| BeforeEach(func() { | ||
| // Add in-cluster networks | ||
| client := fakeClientBuilder.WithObjects( | ||
| // First pool | ||
| testutil.FakeNetwork("net1", testNamespace, "10.0.0.0/16", nil), | ||
| testutil.FakeNetwork("net2", testNamespace, "10.2.0.0/16", nil), | ||
| testutil.FakeNetwork("net3", testNamespace, "10.4.0.0/24", nil), | ||
| testutil.FakeNetwork("net4", testNamespace, "10.3.0.0/16", nil), // network with some IPs | ||
| testutil.FakeIP("ip1", testNamespace, "10.3.0.0", "10.3.0.0/16", nil, nil, false), | ||
| testutil.FakeIP("ip2", testNamespace, "10.3.0.2", "10.3.0.0/16", nil, nil, false), | ||
|
|
||
| // Second pool | ||
| testutil.FakeNetwork("net5", testNamespace, "192.168.1.0/24", nil), | ||
|
|
||
| // Network with full pool | ||
| testutil.FakeNetwork("net6", testNamespace, "172.16.1.0/24", nil), | ||
| ).Build() | ||
|
|
||
| ipamCore, err := ipamcore.NewIpam([]string{"10.0.0.0/8", "192.168.0.0/16", "172.16.1.0/24"}) | ||
| Expect(err).To(BeNil()) | ||
|
|
||
| // Init ipam server | ||
| fakeIpamServer = &LiqoIPAM{ | ||
| Client: client, | ||
| IpamCore: ipamCore, | ||
| opts: &ServerOptions{ | ||
| GraphvizEnabled: false, | ||
| }, | ||
| } | ||
| }) | ||
|
|
||
| It("should populate the cache", func() { | ||
| // Run initialize | ||
| Expect(fakeIpamServer.initialize(ctx)).To(Succeed()) | ||
|
|
||
| // Check the cache: | ||
|
|
||
| // First pool | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.0.0.0/16"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.1.0.0/16"))).To(Equal(true)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.2.0.0/16"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.4.0.0/24"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.4.0.0/16"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.4.0.0/30"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("10.3.0.0/16"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("172.16.1.0/24"))).To(Equal(false)) | ||
| available, err := fakeIpamServer.isIPAvailable(netip.MustParseAddr("10.3.0.0"), netip.MustParsePrefix("10.3.0.0/16")) | ||
| Expect(err).To(BeNil()) | ||
| Expect(available).To(Equal(false)) | ||
| available, err = fakeIpamServer.isIPAvailable(netip.MustParseAddr("10.3.0.1"), netip.MustParsePrefix("10.3.0.0/16")) | ||
| Expect(err).To(BeNil()) | ||
| Expect(available).To(Equal(true)) | ||
| available, err = fakeIpamServer.isIPAvailable(netip.MustParseAddr("10.3.0.2"), netip.MustParsePrefix("10.3.0.0/16")) | ||
| Expect(err).To(BeNil()) | ||
| Expect(available).To(Equal(false)) | ||
|
|
||
| // Second pool | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("192.168.1.0/24"))).To(Equal(false)) | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("192.168.2.0/24"))).To(Equal(true)) | ||
|
|
||
| // Out of pools | ||
| Expect(fakeIpamServer.networkIsAvailable(netip.MustParsePrefix("1.1.1.1/24"))).To(Equal(false)) | ||
| }) | ||
| }) | ||
| }) | ||
| }) |
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