package daemon // import "github.com/docker/docker/daemon" import ( "os" "path/filepath" "runtime" "testing" containertypes "github.com/docker/docker/api/types/container" "github.com/docker/docker/container" "github.com/docker/docker/errdefs" "github.com/docker/docker/libnetwork" "github.com/docker/docker/pkg/idtools" volumesservice "github.com/docker/docker/volume/service" "github.com/docker/go-connections/nat" "github.com/pkg/errors" "gotest.tools/v3/assert" is "gotest.tools/v3/assert/cmp" ) // // https://github.com/docker/docker/issues/8069 // func TestGetContainer(t *testing.T) { c1 := &container.Container{ ID: "5a4ff6a163ad4533d22d69a2b8960bf7fafdcba06e72d2febdba229008b0bf57", Name: "tender_bardeen", } c2 := &container.Container{ ID: "3cdbd1aa394fd68559fd1441d6eff2ab7c1e6363582c82febfaa8045df3bd8de", Name: "drunk_hawking", } c3 := &container.Container{ ID: "3cdbd1aa394fd68559fd1441d6eff2abfafdcba06e72d2febdba229008b0bf57", Name: "3cdbd1aa", } c4 := &container.Container{ ID: "75fb0b800922abdbef2d27e60abcdfaf7fb0698b2a96d22d3354da361a6ff4a5", Name: "5a4ff6a163ad4533d22d69a2b8960bf7fafdcba06e72d2febdba229008b0bf57", } c5 := &container.Container{ ID: "d22d69a2b8960bf7fafdcba06e72d2febdba960bf7fafdcba06e72d2f9008b060b", Name: "d22d69a2b896", } store := container.NewMemoryStore() store.Add(c1.ID, c1) store.Add(c2.ID, c2) store.Add(c3.ID, c3) store.Add(c4.ID, c4) store.Add(c5.ID, c5) containersReplica, err := container.NewViewDB() if err != nil { t.Fatalf("could not create ViewDB: %v", err) } containersReplica.Save(c1) containersReplica.Save(c2) containersReplica.Save(c3) containersReplica.Save(c4) containersReplica.Save(c5) daemon := &Daemon{ containers: store, containersReplica: containersReplica, } daemon.reserveName(c1.ID, c1.Name) daemon.reserveName(c2.ID, c2.Name) daemon.reserveName(c3.ID, c3.Name) daemon.reserveName(c4.ID, c4.Name) daemon.reserveName(c5.ID, c5.Name) if ctr, _ := daemon.GetContainer("3cdbd1aa394fd68559fd1441d6eff2ab7c1e6363582c82febfaa8045df3bd8de"); ctr != c2 { t.Fatal("Should explicitly match full container IDs") } if ctr, _ := daemon.GetContainer("75fb0b8009"); ctr != c4 { t.Fatal("Should match a partial ID") } if ctr, _ := daemon.GetContainer("drunk_hawking"); ctr != c2 { t.Fatal("Should match a full name") } // c3.Name is a partial match for both c3.ID and c2.ID if c, _ := daemon.GetContainer("3cdbd1aa"); c != c3 { t.Fatal("Should match a full name even though it collides with another container's ID") } if ctr, _ := daemon.GetContainer("d22d69a2b896"); ctr != c5 { 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") } if _, err := daemon.GetContainer("3cdbd1"); err == nil { t.Fatal("Should return an error when provided a prefix that partially matches multiple container ID's") } if _, err := daemon.GetContainer("nothing"); err == nil { t.Fatal("Should return an error when provided a prefix that is neither a name or a partial match to an ID") } } func initDaemonWithVolumeStore(tmp string) (*Daemon, error) { var err error daemon := &Daemon{ repository: tmp, root: tmp, } daemon.volumes, err = volumesservice.NewVolumeService(tmp, nil, idtools.Identity{UID: 0, GID: 0}, daemon) if err != nil { return nil, err } return daemon, nil } func TestValidContainerNames(t *testing.T) { invalidNames := []string{"-rm", "&sdfsfd", "safd%sd"} validNames := []string{"word-word", "word_word", "1weoid"} for _, name := range invalidNames { if validContainerNamePattern.MatchString(name) { t.Fatalf("%q is not a valid container name and was returned as valid.", name) } } for _, name := range validNames { if !validContainerNamePattern.MatchString(name) { t.Fatalf("%q is a valid container name and was returned as invalid.", name) } } } func TestContainerInitDNS(t *testing.T) { if os.Getuid() != 0 { t.Skip("root required") // for chown } tmp, err := os.MkdirTemp("", "docker-container-test-") if err != nil { t.Fatal(err) } defer os.RemoveAll(tmp) containerID := "d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e" containerPath := filepath.Join(tmp, containerID) if err := os.MkdirAll(containerPath, 0755); err != nil { t.Fatal(err) } config := `{"State":{"Running":true,"Paused":false,"Restarting":false,"OOMKilled":false,"Dead":false,"Pid":2464,"ExitCode":0, "Error":"","StartedAt":"2015-05-26T16:48:53.869308965Z","FinishedAt":"0001-01-01T00:00:00Z"}, "ID":"d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e","Created":"2015-05-26T16:48:53.7987917Z","Path":"top", "Args":[],"Config":{"Hostname":"d59df5276e7b","Domainname":"","User":"","Memory":0,"MemorySwap":0,"CpuShares":0,"Cpuset":"", "AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"PortSpecs":null,"ExposedPorts":null,"Tty":true,"OpenStdin":true, "StdinOnce":false,"Env":null,"Cmd":["top"],"Image":"ubuntu:latest","Volumes":null,"WorkingDir":"","Entrypoint":null, "NetworkDisabled":false,"MacAddress":"","OnBuild":null,"Labels":{}},"Image":"07f8e8c5e66084bef8f848877857537ffe1c47edd01a93af27e7161672ad0e95", "NetworkSettings":{"IPAddress":"172.17.0.1","IPPrefixLen":16,"MacAddress":"02:42:ac:11:00:01","LinkLocalIPv6Address":"fe80::42:acff:fe11:1", "LinkLocalIPv6PrefixLen":64,"GlobalIPv6Address":"","GlobalIPv6PrefixLen":0,"Gateway":"172.17.42.1","IPv6Gateway":"","Bridge":"docker0","Ports":{}}, "ResolvConfPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/resolv.conf", "HostnamePath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/hostname", "HostsPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/hosts", "LogPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e-json.log", "Name":"/ubuntu","Driver":"aufs","MountLabel":"","ProcessLabel":"","AppArmorProfile":"","RestartCount":0, "UpdateDns":false,"Volumes":{},"VolumesRW":{},"AppliedVolumesFrom":null}` // Container struct only used to retrieve path to config file ctr := &container.Container{Root: containerPath} configPath, err := ctr.ConfigPath() if err != nil { t.Fatal(err) } if err = os.WriteFile(configPath, []byte(config), 0644); err != nil { t.Fatal(err) } hostConfig := `{"Binds":[],"ContainerIDFile":"","Memory":0,"MemorySwap":0,"CpuShares":0,"CpusetCpus":"", "Privileged":false,"PortBindings":{},"Links":null,"PublishAllPorts":false,"Dns":null,"DnsOptions":null,"DnsSearch":null,"ExtraHosts":null,"VolumesFrom":null, "Devices":[],"NetworkMode":"bridge","IpcMode":"","PidMode":"","CapAdd":null,"CapDrop":null,"RestartPolicy":{"Name":"no","MaximumRetryCount":0}, "SecurityOpt":null,"ReadonlyRootfs":false,"Ulimits":null,"LogConfig":{"Type":"","Config":null},"CgroupParent":""}` hostConfigPath, err := ctr.HostConfigPath() if err != nil { t.Fatal(err) } if err = os.WriteFile(hostConfigPath, []byte(hostConfig), 0644); err != nil { t.Fatal(err) } daemon, err := initDaemonWithVolumeStore(tmp) if err != nil { t.Fatal(err) } c, err := daemon.load(containerID) if err != nil { t.Fatal(err) } if c.HostConfig.DNS == nil { t.Fatal("Expected container DNS to not be nil") } if c.HostConfig.DNSSearch == nil { t.Fatal("Expected container DNSSearch to not be nil") } if c.HostConfig.DNSOptions == nil { t.Fatal("Expected container DNSOptions to not be nil") } } func newPortNoError(proto, port string) nat.Port { p, _ := nat.NewPort(proto, port) return p } func TestMerge(t *testing.T) { volumesImage := make(map[string]struct{}) volumesImage["/test1"] = struct{}{} volumesImage["/test2"] = struct{}{} portsImage := make(nat.PortSet) portsImage[newPortNoError("tcp", "1111")] = struct{}{} portsImage[newPortNoError("tcp", "2222")] = struct{}{} configImage := &containertypes.Config{ ExposedPorts: portsImage, Env: []string{"VAR1=1", "VAR2=2"}, Volumes: volumesImage, } portsUser := make(nat.PortSet) portsUser[newPortNoError("tcp", "2222")] = struct{}{} portsUser[newPortNoError("tcp", "3333")] = struct{}{} volumesUser := make(map[string]struct{}) volumesUser["/test3"] = struct{}{} configUser := &containertypes.Config{ ExposedPorts: portsUser, Env: []string{"VAR2=3", "VAR3=3"}, Volumes: volumesUser, } if err := merge(configUser, configImage); err != nil { t.Error(err) } if len(configUser.ExposedPorts) != 3 { t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts)) } for portSpecs := range configUser.ExposedPorts { if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" { t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs) } } if len(configUser.Env) != 3 { t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env)) } for _, env := range configUser.Env { if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" { t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env) } } if len(configUser.Volumes) != 3 { t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes)) } for v := range configUser.Volumes { if v != "/test1" && v != "/test2" && v != "/test3" { t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v) } } ports, _, err := nat.ParsePortSpecs([]string{"0000"}) if err != nil { t.Error(err) } configImage2 := &containertypes.Config{ ExposedPorts: ports, } if err := merge(configUser, configImage2); err != nil { t.Error(err) } if len(configUser.ExposedPorts) != 4 { t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts)) } for portSpecs := range configUser.ExposedPorts { if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" { t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs) } } } func TestValidateContainerIsolation(t *testing.T) { d := Daemon{} _, err := d.verifyContainerSettings(&containertypes.HostConfig{Isolation: containertypes.Isolation("invalid")}, nil, false) assert.Check(t, is.Error(err, "invalid isolation 'invalid' on "+runtime.GOOS)) } func TestFindNetworkErrorType(t *testing.T) { d := Daemon{} _, err := d.FindNetwork("fakeNet") var nsn libnetwork.ErrNoSuchNetwork ok := errors.As(err, &nsn) if !errdefs.IsNotFound(err) || !ok { t.Error("The FindNetwork method MUST always return an error that implements the NotFound interface and is ErrNoSuchNetwork") } }