| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | package dockersd |
| 4 | |
| 5 | import ( |
| 6 | "testing" |
| 7 | "time" |
| 8 | |
| 9 | typesContainer "github.com/docker/docker/api/types/container" |
| 10 | |
| 11 | "github.com/netdata/netdata/go/plugins/plugin/agent/discovery/sd/model" |
| 12 | |
| 13 | typesNetwork "github.com/docker/docker/api/types/network" |
| 14 | ) |
| 15 | |
| 16 | func TestDiscoverer_Discover(t *testing.T) { |
| 17 | tests := map[string]struct { |
| 18 | createSim func() *discoverySim |
| 19 | }{ |
| 20 | "add containers": { |
| 21 | createSim: func() *discoverySim { |
| 22 | nginx1 := prepareNginxContainer("nginx1") |
| 23 | nginx2 := prepareNginxContainer("nginx2") |
| 24 | |
| 25 | sim := &discoverySim{ |
| 26 | dockerCli: func(cli dockerCli, _ time.Duration) { |
| 27 | cli.addContainer(nginx1) |
| 28 | cli.addContainer(nginx2) |
| 29 | }, |
| 30 | wantGroups: []model.TargetGroup{ |
| 31 | &targetGroup{ |
| 32 | source: cntrSource(nginx1), |
| 33 | targets: []model.Target{ |
| 34 | withHash(&target{ |
| 35 | ID: nginx1.ID, |
| 36 | Name: nginx1.Names[0][1:], |
| 37 | Image: nginx1.Image, |
| 38 | Command: nginx1.Command, |
| 39 | Labels: model.MapAny(nginx1.Labels), |
| 40 | PrivatePort: "80", |
| 41 | PublicPort: "8080", |
| 42 | PublicPortIP: "0.0.0.0", |
| 43 | PortProtocol: "tcp", |
| 44 | NetworkMode: "default", |
| 45 | NetworkDriver: "bridge", |
| 46 | IPAddress: "192.0.2.0", |
| 47 | Address: "192.0.2.0:80", |
| 48 | }), |
| 49 | }, |
| 50 | }, |
| 51 | &targetGroup{ |
| 52 | source: cntrSource(nginx2), |
| 53 | targets: []model.Target{ |
| 54 | withHash(&target{ |
| 55 | ID: nginx2.ID, |
| 56 | Name: nginx2.Names[0][1:], |
| 57 | Image: nginx2.Image, |
| 58 | Command: nginx2.Command, |
| 59 | Labels: model.MapAny(nginx2.Labels), |
| 60 | PrivatePort: "80", |
| 61 | PublicPort: "8080", |
| 62 | PublicPortIP: "0.0.0.0", |
| 63 | PortProtocol: "tcp", |
| 64 | NetworkMode: "default", |
| 65 | NetworkDriver: "bridge", |
| 66 | IPAddress: "192.0.2.0", |
| 67 | Address: "192.0.2.0:80", |
| 68 | }), |
| 69 | }, |
| 70 | }, |
| 71 | }, |
| 72 | } |
| 73 | return sim |
| 74 | }, |
| 75 | }, |
| 76 | "remove containers": { |
| 77 | createSim: func() *discoverySim { |
| 78 | nginx1 := prepareNginxContainer("nginx1") |
| 79 | nginx2 := prepareNginxContainer("nginx2") |
| 80 | |
| 81 | sim := &discoverySim{ |
| 82 | dockerCli: func(cli dockerCli, interval time.Duration) { |
| 83 | cli.addContainer(nginx1) |
| 84 | cli.addContainer(nginx2) |
| 85 | time.Sleep(interval * 2) |
| 86 | cli.removeContainer(nginx1.ID) |
| 87 | }, |
| 88 | wantGroups: []model.TargetGroup{ |
| 89 | &targetGroup{ |
| 90 | source: cntrSource(nginx1), |
| 91 | targets: nil, |
| 92 | }, |
| 93 | &targetGroup{ |
| 94 | source: cntrSource(nginx2), |
| 95 | targets: []model.Target{ |
| 96 | withHash(&target{ |
| 97 | ID: nginx2.ID, |
| 98 | Name: nginx2.Names[0][1:], |
| 99 | Image: nginx2.Image, |
| 100 | Command: nginx2.Command, |
| 101 | Labels: model.MapAny(nginx2.Labels), |
| 102 | PrivatePort: "80", |
| 103 | PublicPort: "8080", |
| 104 | PublicPortIP: "0.0.0.0", |
| 105 | PortProtocol: "tcp", |
| 106 | NetworkMode: "default", |
| 107 | NetworkDriver: "bridge", |
| 108 | IPAddress: "192.0.2.0", |
| 109 | Address: "192.0.2.0:80", |
| 110 | }), |
| 111 | }, |
| 112 | }, |
| 113 | }, |
| 114 | } |
| 115 | return sim |
| 116 | }, |
| 117 | }, |
| 118 | } |
| 119 | |
| 120 | for name, test := range tests { |
| 121 | t.Run(name, func(t *testing.T) { |
| 122 | sim := test.createSim() |
| 123 | sim.run(t) |
| 124 | }) |
| 125 | } |
| 126 | } |
| 127 | |
| 128 | func prepareNginxContainer(name string) typesContainer.Summary { |
| 129 | return typesContainer.Summary{ |
| 130 | ID: "id-" + name, |
| 131 | Names: []string{"/" + name}, |
| 132 | Image: "nginx-image", |
| 133 | ImageID: "nginx-image-id", |
| 134 | Command: "nginx-command", |
| 135 | Ports: []typesContainer.Port{ |
| 136 | { |
| 137 | IP: "0.0.0.0", |
| 138 | PrivatePort: 80, |
| 139 | PublicPort: 8080, |
| 140 | Type: "tcp", |
| 141 | }, |
| 142 | }, |
| 143 | Labels: map[string]string{"key1": "value1"}, |
| 144 | HostConfig: struct { |
| 145 | NetworkMode string `json:",omitempty"` |
| 146 | Annotations map[string]string `json:",omitempty"` |
| 147 | }{ |
| 148 | NetworkMode: "default", |
| 149 | }, |
| 150 | NetworkSettings: &typesContainer.NetworkSettingsSummary{ |
| 151 | Networks: map[string]*typesNetwork.EndpointSettings{ |
| 152 | "bridge": {IPAddress: "192.0.2.0"}, |
| 153 | }, |
| 154 | }, |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | func withHash(tgt *target) *target { |
| 159 | tgt.hash, _ = model.CalcHash(tgt) |
| 160 | return tgt |
| 161 | } |