github.com/docker/docker@v299999999.0.0-20200612211812-aaf470eca7b5+incompatible/daemon/daemon_test.go (about) 1 package daemon // import "github.com/docker/docker/daemon" 2 3 import ( 4 "io/ioutil" 5 "os" 6 "path/filepath" 7 "runtime" 8 "testing" 9 10 containertypes "github.com/docker/docker/api/types/container" 11 "github.com/docker/docker/container" 12 "github.com/docker/docker/errdefs" 13 _ "github.com/docker/docker/pkg/discovery/memory" 14 "github.com/docker/docker/pkg/idtools" 15 "github.com/docker/docker/pkg/truncindex" 16 volumesservice "github.com/docker/docker/volume/service" 17 "github.com/docker/go-connections/nat" 18 "github.com/docker/libnetwork" 19 "github.com/pkg/errors" 20 "gotest.tools/v3/assert" 21 is "gotest.tools/v3/assert/cmp" 22 ) 23 24 // 25 // https://github.com/docker/docker/issues/8069 26 // 27 28 func TestGetContainer(t *testing.T) { 29 c1 := &container.Container{ 30 ID: "5a4ff6a163ad4533d22d69a2b8960bf7fafdcba06e72d2febdba229008b0bf57", 31 Name: "tender_bardeen", 32 } 33 34 c2 := &container.Container{ 35 ID: "3cdbd1aa394fd68559fd1441d6eff2ab7c1e6363582c82febfaa8045df3bd8de", 36 Name: "drunk_hawking", 37 } 38 39 c3 := &container.Container{ 40 ID: "3cdbd1aa394fd68559fd1441d6eff2abfafdcba06e72d2febdba229008b0bf57", 41 Name: "3cdbd1aa", 42 } 43 44 c4 := &container.Container{ 45 ID: "75fb0b800922abdbef2d27e60abcdfaf7fb0698b2a96d22d3354da361a6ff4a5", 46 Name: "5a4ff6a163ad4533d22d69a2b8960bf7fafdcba06e72d2febdba229008b0bf57", 47 } 48 49 c5 := &container.Container{ 50 ID: "d22d69a2b8960bf7fafdcba06e72d2febdba960bf7fafdcba06e72d2f9008b060b", 51 Name: "d22d69a2b896", 52 } 53 54 store := container.NewMemoryStore() 55 store.Add(c1.ID, c1) 56 store.Add(c2.ID, c2) 57 store.Add(c3.ID, c3) 58 store.Add(c4.ID, c4) 59 store.Add(c5.ID, c5) 60 61 index := truncindex.NewTruncIndex([]string{}) 62 index.Add(c1.ID) 63 index.Add(c2.ID) 64 index.Add(c3.ID) 65 index.Add(c4.ID) 66 index.Add(c5.ID) 67 68 containersReplica, err := container.NewViewDB() 69 if err != nil { 70 t.Fatalf("could not create ViewDB: %v", err) 71 } 72 73 daemon := &Daemon{ 74 containers: store, 75 containersReplica: containersReplica, 76 idIndex: index, 77 } 78 79 daemon.reserveName(c1.ID, c1.Name) 80 daemon.reserveName(c2.ID, c2.Name) 81 daemon.reserveName(c3.ID, c3.Name) 82 daemon.reserveName(c4.ID, c4.Name) 83 daemon.reserveName(c5.ID, c5.Name) 84 85 if ctr, _ := daemon.GetContainer("3cdbd1aa394fd68559fd1441d6eff2ab7c1e6363582c82febfaa8045df3bd8de"); ctr != c2 { 86 t.Fatal("Should explicitly match full container IDs") 87 } 88 89 if ctr, _ := daemon.GetContainer("75fb0b8009"); ctr != c4 { 90 t.Fatal("Should match a partial ID") 91 } 92 93 if ctr, _ := daemon.GetContainer("drunk_hawking"); ctr != c2 { 94 t.Fatal("Should match a full name") 95 } 96 97 // c3.Name is a partial match for both c3.ID and c2.ID 98 if c, _ := daemon.GetContainer("3cdbd1aa"); c != c3 { 99 t.Fatal("Should match a full name even though it collides with another container's ID") 100 } 101 102 if ctr, _ := daemon.GetContainer("d22d69a2b896"); ctr != c5 { 103 t.Fatal("Should match a container where the provided prefix is an exact match to the its name, and is also a prefix for its ID") 104 } 105 106 if _, err := daemon.GetContainer("3cdbd1"); err == nil { 107 t.Fatal("Should return an error when provided a prefix that partially matches multiple container ID's") 108 } 109 110 if _, err := daemon.GetContainer("nothing"); err == nil { 111 t.Fatal("Should return an error when provided a prefix that is neither a name or a partial match to an ID") 112 } 113 } 114 115 func initDaemonWithVolumeStore(tmp string) (*Daemon, error) { 116 var err error 117 daemon := &Daemon{ 118 repository: tmp, 119 root: tmp, 120 } 121 daemon.volumes, err = volumesservice.NewVolumeService(tmp, nil, idtools.Identity{UID: 0, GID: 0}, daemon) 122 if err != nil { 123 return nil, err 124 } 125 return daemon, nil 126 } 127 128 func TestValidContainerNames(t *testing.T) { 129 invalidNames := []string{"-rm", "&sdfsfd", "safd%sd"} 130 validNames := []string{"word-word", "word_word", "1weoid"} 131 132 for _, name := range invalidNames { 133 if validContainerNamePattern.MatchString(name) { 134 t.Fatalf("%q is not a valid container name and was returned as valid.", name) 135 } 136 } 137 138 for _, name := range validNames { 139 if !validContainerNamePattern.MatchString(name) { 140 t.Fatalf("%q is a valid container name and was returned as invalid.", name) 141 } 142 } 143 } 144 145 func TestContainerInitDNS(t *testing.T) { 146 if os.Getuid() != 0 { 147 t.Skip("root required") // for chown 148 } 149 150 tmp, err := ioutil.TempDir("", "docker-container-test-") 151 if err != nil { 152 t.Fatal(err) 153 } 154 defer os.RemoveAll(tmp) 155 156 containerID := "d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e" 157 containerPath := filepath.Join(tmp, containerID) 158 if err := os.MkdirAll(containerPath, 0755); err != nil { 159 t.Fatal(err) 160 } 161 162 config := `{"State":{"Running":true,"Paused":false,"Restarting":false,"OOMKilled":false,"Dead":false,"Pid":2464,"ExitCode":0, 163 "Error":"","StartedAt":"2015-05-26T16:48:53.869308965Z","FinishedAt":"0001-01-01T00:00:00Z"}, 164 "ID":"d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e","Created":"2015-05-26T16:48:53.7987917Z","Path":"top", 165 "Args":[],"Config":{"Hostname":"d59df5276e7b","Domainname":"","User":"","Memory":0,"MemorySwap":0,"CpuShares":0,"Cpuset":"", 166 "AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"PortSpecs":null,"ExposedPorts":null,"Tty":true,"OpenStdin":true, 167 "StdinOnce":false,"Env":null,"Cmd":["top"],"Image":"ubuntu:latest","Volumes":null,"WorkingDir":"","Entrypoint":null, 168 "NetworkDisabled":false,"MacAddress":"","OnBuild":null,"Labels":{}},"Image":"07f8e8c5e66084bef8f848877857537ffe1c47edd01a93af27e7161672ad0e95", 169 "NetworkSettings":{"IPAddress":"172.17.0.1","IPPrefixLen":16,"MacAddress":"02:42:ac:11:00:01","LinkLocalIPv6Address":"fe80::42:acff:fe11:1", 170 "LinkLocalIPv6PrefixLen":64,"GlobalIPv6Address":"","GlobalIPv6PrefixLen":0,"Gateway":"172.17.42.1","IPv6Gateway":"","Bridge":"docker0","Ports":{}}, 171 "ResolvConfPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/resolv.conf", 172 "HostnamePath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/hostname", 173 "HostsPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/hosts", 174 "LogPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e-json.log", 175 "Name":"/ubuntu","Driver":"aufs","MountLabel":"","ProcessLabel":"","AppArmorProfile":"","RestartCount":0, 176 "UpdateDns":false,"Volumes":{},"VolumesRW":{},"AppliedVolumesFrom":null}` 177 178 // Container struct only used to retrieve path to config file 179 ctr := &container.Container{Root: containerPath} 180 configPath, err := ctr.ConfigPath() 181 if err != nil { 182 t.Fatal(err) 183 } 184 if err = ioutil.WriteFile(configPath, []byte(config), 0644); err != nil { 185 t.Fatal(err) 186 } 187 188 hostConfig := `{"Binds":[],"ContainerIDFile":"","Memory":0,"MemorySwap":0,"CpuShares":0,"CpusetCpus":"", 189 "Privileged":false,"PortBindings":{},"Links":null,"PublishAllPorts":false,"Dns":null,"DnsOptions":null,"DnsSearch":null,"ExtraHosts":null,"VolumesFrom":null, 190 "Devices":[],"NetworkMode":"bridge","IpcMode":"","PidMode":"","CapAdd":null,"CapDrop":null,"RestartPolicy":{"Name":"no","MaximumRetryCount":0}, 191 "SecurityOpt":null,"ReadonlyRootfs":false,"Ulimits":null,"LogConfig":{"Type":"","Config":null},"CgroupParent":""}` 192 193 hostConfigPath, err := ctr.HostConfigPath() 194 if err != nil { 195 t.Fatal(err) 196 } 197 if err = ioutil.WriteFile(hostConfigPath, []byte(hostConfig), 0644); err != nil { 198 t.Fatal(err) 199 } 200 201 daemon, err := initDaemonWithVolumeStore(tmp) 202 if err != nil { 203 t.Fatal(err) 204 } 205 206 c, err := daemon.load(containerID) 207 if err != nil { 208 t.Fatal(err) 209 } 210 211 if c.HostConfig.DNS == nil { 212 t.Fatal("Expected container DNS to not be nil") 213 } 214 215 if c.HostConfig.DNSSearch == nil { 216 t.Fatal("Expected container DNSSearch to not be nil") 217 } 218 219 if c.HostConfig.DNSOptions == nil { 220 t.Fatal("Expected container DNSOptions to not be nil") 221 } 222 } 223 224 func newPortNoError(proto, port string) nat.Port { 225 p, _ := nat.NewPort(proto, port) 226 return p 227 } 228 229 func TestMerge(t *testing.T) { 230 volumesImage := make(map[string]struct{}) 231 volumesImage["/test1"] = struct{}{} 232 volumesImage["/test2"] = struct{}{} 233 portsImage := make(nat.PortSet) 234 portsImage[newPortNoError("tcp", "1111")] = struct{}{} 235 portsImage[newPortNoError("tcp", "2222")] = struct{}{} 236 configImage := &containertypes.Config{ 237 ExposedPorts: portsImage, 238 Env: []string{"VAR1=1", "VAR2=2"}, 239 Volumes: volumesImage, 240 } 241 242 portsUser := make(nat.PortSet) 243 portsUser[newPortNoError("tcp", "2222")] = struct{}{} 244 portsUser[newPortNoError("tcp", "3333")] = struct{}{} 245 volumesUser := make(map[string]struct{}) 246 volumesUser["/test3"] = struct{}{} 247 configUser := &containertypes.Config{ 248 ExposedPorts: portsUser, 249 Env: []string{"VAR2=3", "VAR3=3"}, 250 Volumes: volumesUser, 251 } 252 253 if err := merge(configUser, configImage); err != nil { 254 t.Error(err) 255 } 256 257 if len(configUser.ExposedPorts) != 3 { 258 t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts)) 259 } 260 for portSpecs := range configUser.ExposedPorts { 261 if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" { 262 t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs) 263 } 264 } 265 if len(configUser.Env) != 3 { 266 t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env)) 267 } 268 for _, env := range configUser.Env { 269 if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" { 270 t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env) 271 } 272 } 273 274 if len(configUser.Volumes) != 3 { 275 t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes)) 276 } 277 for v := range configUser.Volumes { 278 if v != "/test1" && v != "/test2" && v != "/test3" { 279 t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v) 280 } 281 } 282 283 ports, _, err := nat.ParsePortSpecs([]string{"0000"}) 284 if err != nil { 285 t.Error(err) 286 } 287 configImage2 := &containertypes.Config{ 288 ExposedPorts: ports, 289 } 290 291 if err := merge(configUser, configImage2); err != nil { 292 t.Error(err) 293 } 294 295 if len(configUser.ExposedPorts) != 4 { 296 t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts)) 297 } 298 for portSpecs := range configUser.ExposedPorts { 299 if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" { 300 t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs) 301 } 302 } 303 } 304 305 func TestValidateContainerIsolation(t *testing.T) { 306 d := Daemon{} 307 308 _, err := d.verifyContainerSettings(runtime.GOOS, &containertypes.HostConfig{Isolation: containertypes.Isolation("invalid")}, nil, false) 309 assert.Check(t, is.Error(err, "invalid isolation 'invalid' on "+runtime.GOOS)) 310 } 311 312 func TestFindNetworkErrorType(t *testing.T) { 313 d := Daemon{} 314 _, err := d.FindNetwork("fakeNet") 315 var nsn libnetwork.ErrNoSuchNetwork 316 ok := errors.As(err, &nsn) 317 if !errdefs.IsNotFound(err) || !ok { 318 t.Error("The FindNetwork method MUST always return an error that implements the NotFound interface and is ErrNoSuchNetwork") 319 } 320 }