mirror of https://github.com/docker/docs.git
533 lines
16 KiB
Go
533 lines
16 KiB
Go
package daemon
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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"reflect"
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"testing"
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"time"
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"github.com/docker/docker/container"
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"github.com/docker/docker/pkg/discovery"
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_ "github.com/docker/docker/pkg/discovery/memory"
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"github.com/docker/docker/pkg/registrar"
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"github.com/docker/docker/pkg/truncindex"
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"github.com/docker/docker/volume"
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volumedrivers "github.com/docker/docker/volume/drivers"
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"github.com/docker/docker/volume/local"
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"github.com/docker/docker/volume/store"
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containertypes "github.com/docker/engine-api/types/container"
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"github.com/docker/go-connections/nat"
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)
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//
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// https://github.com/docker/docker/issues/8069
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//
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func TestGetContainer(t *testing.T) {
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c1 := &container.Container{
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CommonContainer: container.CommonContainer{
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ID: "5a4ff6a163ad4533d22d69a2b8960bf7fafdcba06e72d2febdba229008b0bf57",
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Name: "tender_bardeen",
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},
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}
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c2 := &container.Container{
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CommonContainer: container.CommonContainer{
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ID: "3cdbd1aa394fd68559fd1441d6eff2ab7c1e6363582c82febfaa8045df3bd8de",
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Name: "drunk_hawking",
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},
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}
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c3 := &container.Container{
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CommonContainer: container.CommonContainer{
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ID: "3cdbd1aa394fd68559fd1441d6eff2abfafdcba06e72d2febdba229008b0bf57",
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Name: "3cdbd1aa",
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},
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}
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c4 := &container.Container{
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CommonContainer: container.CommonContainer{
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ID: "75fb0b800922abdbef2d27e60abcdfaf7fb0698b2a96d22d3354da361a6ff4a5",
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Name: "5a4ff6a163ad4533d22d69a2b8960bf7fafdcba06e72d2febdba229008b0bf57",
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},
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}
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c5 := &container.Container{
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CommonContainer: container.CommonContainer{
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ID: "d22d69a2b8960bf7fafdcba06e72d2febdba960bf7fafdcba06e72d2f9008b060b",
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Name: "d22d69a2b896",
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},
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}
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store := container.NewMemoryStore()
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store.Add(c1.ID, c1)
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store.Add(c2.ID, c2)
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store.Add(c3.ID, c3)
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store.Add(c4.ID, c4)
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store.Add(c5.ID, c5)
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index := truncindex.NewTruncIndex([]string{})
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index.Add(c1.ID)
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index.Add(c2.ID)
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index.Add(c3.ID)
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index.Add(c4.ID)
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index.Add(c5.ID)
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daemon := &Daemon{
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containers: store,
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idIndex: index,
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nameIndex: registrar.NewRegistrar(),
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}
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daemon.reserveName(c1.ID, c1.Name)
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daemon.reserveName(c2.ID, c2.Name)
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daemon.reserveName(c3.ID, c3.Name)
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daemon.reserveName(c4.ID, c4.Name)
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daemon.reserveName(c5.ID, c5.Name)
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if container, _ := daemon.GetContainer("3cdbd1aa394fd68559fd1441d6eff2ab7c1e6363582c82febfaa8045df3bd8de"); container != c2 {
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t.Fatal("Should explicitly match full container IDs")
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}
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if container, _ := daemon.GetContainer("75fb0b8009"); container != c4 {
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t.Fatal("Should match a partial ID")
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}
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if container, _ := daemon.GetContainer("drunk_hawking"); container != c2 {
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t.Fatal("Should match a full name")
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}
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// c3.Name is a partial match for both c3.ID and c2.ID
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if c, _ := daemon.GetContainer("3cdbd1aa"); c != c3 {
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t.Fatal("Should match a full name even though it collides with another container's ID")
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}
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if container, _ := daemon.GetContainer("d22d69a2b896"); container != c5 {
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t.Fatal("Should match a container where the provided prefix is an exact match to the it's name, and is also a prefix for it's ID")
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}
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if _, err := daemon.GetContainer("3cdbd1"); err == nil {
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t.Fatal("Should return an error when provided a prefix that partially matches multiple container ID's")
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}
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if _, err := daemon.GetContainer("nothing"); err == nil {
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t.Fatal("Should return an error when provided a prefix that is neither a name or a partial match to an ID")
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}
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}
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func initDaemonWithVolumeStore(tmp string) (*Daemon, error) {
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var err error
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daemon := &Daemon{
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repository: tmp,
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root: tmp,
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}
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daemon.volumes, err = store.New(tmp)
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if err != nil {
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return nil, err
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}
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volumesDriver, err := local.New(tmp, 0, 0)
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if err != nil {
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return nil, err
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}
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volumedrivers.Register(volumesDriver, volumesDriver.Name())
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return daemon, nil
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}
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func TestValidContainerNames(t *testing.T) {
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invalidNames := []string{"-rm", "&sdfsfd", "safd%sd"}
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validNames := []string{"word-word", "word_word", "1weoid"}
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for _, name := range invalidNames {
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if validContainerNamePattern.MatchString(name) {
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t.Fatalf("%q is not a valid container name and was returned as valid.", name)
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}
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}
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for _, name := range validNames {
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if !validContainerNamePattern.MatchString(name) {
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t.Fatalf("%q is a valid container name and was returned as invalid.", name)
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}
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}
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}
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func TestContainerInitDNS(t *testing.T) {
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tmp, err := ioutil.TempDir("", "docker-container-test-")
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if err != nil {
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t.Fatal(err)
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}
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defer os.RemoveAll(tmp)
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containerID := "d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e"
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containerPath := filepath.Join(tmp, containerID)
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if err := os.MkdirAll(containerPath, 0755); err != nil {
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t.Fatal(err)
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}
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config := `{"State":{"Running":true,"Paused":false,"Restarting":false,"OOMKilled":false,"Dead":false,"Pid":2464,"ExitCode":0,
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"Error":"","StartedAt":"2015-05-26T16:48:53.869308965Z","FinishedAt":"0001-01-01T00:00:00Z"},
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"ID":"d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e","Created":"2015-05-26T16:48:53.7987917Z","Path":"top",
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"Args":[],"Config":{"Hostname":"d59df5276e7b","Domainname":"","User":"","Memory":0,"MemorySwap":0,"CpuShares":0,"Cpuset":"",
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"AttachStdin":false,"AttachStdout":false,"AttachStderr":false,"PortSpecs":null,"ExposedPorts":null,"Tty":true,"OpenStdin":true,
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"StdinOnce":false,"Env":null,"Cmd":["top"],"Image":"ubuntu:latest","Volumes":null,"WorkingDir":"","Entrypoint":null,
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"NetworkDisabled":false,"MacAddress":"","OnBuild":null,"Labels":{}},"Image":"07f8e8c5e66084bef8f848877857537ffe1c47edd01a93af27e7161672ad0e95",
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"NetworkSettings":{"IPAddress":"172.17.0.1","IPPrefixLen":16,"MacAddress":"02:42:ac:11:00:01","LinkLocalIPv6Address":"fe80::42:acff:fe11:1",
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"LinkLocalIPv6PrefixLen":64,"GlobalIPv6Address":"","GlobalIPv6PrefixLen":0,"Gateway":"172.17.42.1","IPv6Gateway":"","Bridge":"docker0","Ports":{}},
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"ResolvConfPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/resolv.conf",
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"HostnamePath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/hostname",
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"HostsPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/hosts",
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"LogPath":"/var/lib/docker/containers/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e/d59df5276e7b219d510fe70565e0404bc06350e0d4b43fe961f22f339980170e-json.log",
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"Name":"/ubuntu","Driver":"aufs","MountLabel":"","ProcessLabel":"","AppArmorProfile":"","RestartCount":0,
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"UpdateDns":false,"Volumes":{},"VolumesRW":{},"AppliedVolumesFrom":null}`
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// Container struct only used to retrieve path to config file
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container := &container.Container{CommonContainer: container.CommonContainer{Root: containerPath}}
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configPath, err := container.ConfigPath()
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(configPath, []byte(config), 0644); err != nil {
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t.Fatal(err)
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}
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hostConfig := `{"Binds":[],"ContainerIDFile":"","Memory":0,"MemorySwap":0,"CpuShares":0,"CpusetCpus":"",
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"Privileged":false,"PortBindings":{},"Links":null,"PublishAllPorts":false,"Dns":null,"DnsOptions":null,"DnsSearch":null,"ExtraHosts":null,"VolumesFrom":null,
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"Devices":[],"NetworkMode":"bridge","IpcMode":"","PidMode":"","CapAdd":null,"CapDrop":null,"RestartPolicy":{"Name":"no","MaximumRetryCount":0},
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"SecurityOpt":null,"ReadonlyRootfs":false,"Ulimits":null,"LogConfig":{"Type":"","Config":null},"CgroupParent":""}`
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hostConfigPath, err := container.HostConfigPath()
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if err != nil {
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t.Fatal(err)
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}
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if err = ioutil.WriteFile(hostConfigPath, []byte(hostConfig), 0644); err != nil {
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t.Fatal(err)
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}
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daemon, err := initDaemonWithVolumeStore(tmp)
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if err != nil {
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t.Fatal(err)
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}
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defer volumedrivers.Unregister(volume.DefaultDriverName)
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c, err := daemon.load(containerID)
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if err != nil {
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t.Fatal(err)
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}
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if c.HostConfig.DNS == nil {
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t.Fatal("Expected container DNS to not be nil")
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}
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if c.HostConfig.DNSSearch == nil {
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t.Fatal("Expected container DNSSearch to not be nil")
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}
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if c.HostConfig.DNSOptions == nil {
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t.Fatal("Expected container DNSOptions to not be nil")
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}
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}
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func newPortNoError(proto, port string) nat.Port {
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p, _ := nat.NewPort(proto, port)
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return p
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}
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func TestMerge(t *testing.T) {
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volumesImage := make(map[string]struct{})
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volumesImage["/test1"] = struct{}{}
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volumesImage["/test2"] = struct{}{}
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portsImage := make(nat.PortSet)
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portsImage[newPortNoError("tcp", "1111")] = struct{}{}
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portsImage[newPortNoError("tcp", "2222")] = struct{}{}
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configImage := &containertypes.Config{
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ExposedPorts: portsImage,
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Env: []string{"VAR1=1", "VAR2=2"},
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Volumes: volumesImage,
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}
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portsUser := make(nat.PortSet)
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portsUser[newPortNoError("tcp", "2222")] = struct{}{}
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portsUser[newPortNoError("tcp", "3333")] = struct{}{}
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volumesUser := make(map[string]struct{})
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volumesUser["/test3"] = struct{}{}
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configUser := &containertypes.Config{
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ExposedPorts: portsUser,
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Env: []string{"VAR2=3", "VAR3=3"},
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Volumes: volumesUser,
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}
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if err := merge(configUser, configImage); err != nil {
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t.Error(err)
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}
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if len(configUser.ExposedPorts) != 3 {
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t.Fatalf("Expected 3 ExposedPorts, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
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}
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for portSpecs := range configUser.ExposedPorts {
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if portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
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t.Fatalf("Expected 1111 or 2222 or 3333, found %s", portSpecs)
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}
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}
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if len(configUser.Env) != 3 {
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t.Fatalf("Expected 3 env var, VAR1=1, VAR2=3 and VAR3=3, found %d", len(configUser.Env))
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}
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for _, env := range configUser.Env {
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if env != "VAR1=1" && env != "VAR2=3" && env != "VAR3=3" {
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t.Fatalf("Expected VAR1=1 or VAR2=3 or VAR3=3, found %s", env)
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}
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}
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if len(configUser.Volumes) != 3 {
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t.Fatalf("Expected 3 volumes, /test1, /test2 and /test3, found %d", len(configUser.Volumes))
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}
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for v := range configUser.Volumes {
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if v != "/test1" && v != "/test2" && v != "/test3" {
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t.Fatalf("Expected /test1 or /test2 or /test3, found %s", v)
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}
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}
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ports, _, err := nat.ParsePortSpecs([]string{"0000"})
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if err != nil {
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t.Error(err)
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}
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configImage2 := &containertypes.Config{
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ExposedPorts: ports,
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}
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if err := merge(configUser, configImage2); err != nil {
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t.Error(err)
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}
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if len(configUser.ExposedPorts) != 4 {
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t.Fatalf("Expected 4 ExposedPorts, 0000, 1111, 2222 and 3333, found %d", len(configUser.ExposedPorts))
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}
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for portSpecs := range configUser.ExposedPorts {
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if portSpecs.Port() != "0" && portSpecs.Port() != "1111" && portSpecs.Port() != "2222" && portSpecs.Port() != "3333" {
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t.Fatalf("Expected %q or %q or %q or %q, found %s", 0, 1111, 2222, 3333, portSpecs)
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}
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}
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}
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func TestDaemonReloadLabels(t *testing.T) {
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daemon := &Daemon{}
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daemon.configStore = &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"foo:bar"},
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},
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}
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valuesSets := make(map[string]interface{})
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valuesSets["labels"] = "foo:baz"
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newConfig := &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"foo:baz"},
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valuesSet: valuesSets,
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},
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}
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daemon.Reload(newConfig)
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label := daemon.configStore.Labels[0]
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if label != "foo:baz" {
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t.Fatalf("Expected daemon label `foo:baz`, got %s", label)
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}
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}
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func TestDaemonReloadNotAffectOthers(t *testing.T) {
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daemon := &Daemon{}
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daemon.configStore = &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"foo:bar"},
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Debug: true,
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},
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}
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valuesSets := make(map[string]interface{})
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valuesSets["labels"] = "foo:baz"
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newConfig := &Config{
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CommonConfig: CommonConfig{
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Labels: []string{"foo:baz"},
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valuesSet: valuesSets,
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},
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}
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daemon.Reload(newConfig)
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label := daemon.configStore.Labels[0]
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if label != "foo:baz" {
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t.Fatalf("Expected daemon label `foo:baz`, got %s", label)
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}
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debug := daemon.configStore.Debug
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if !debug {
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t.Fatalf("Expected debug 'enabled', got 'disabled'")
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}
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}
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func TestDaemonDiscoveryReload(t *testing.T) {
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daemon := &Daemon{}
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daemon.configStore = &Config{
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CommonConfig: CommonConfig{
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ClusterStore: "memory://127.0.0.1",
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ClusterAdvertise: "127.0.0.1:3333",
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},
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}
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if err := daemon.initDiscovery(daemon.configStore); err != nil {
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t.Fatal(err)
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}
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expected := discovery.Entries{
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&discovery.Entry{Host: "127.0.0.1", Port: "3333"},
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}
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select {
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case <-time.After(10 * time.Second):
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t.Fatal("timeout waiting for discovery")
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case <-daemon.discoveryWatcher.ReadyCh():
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}
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stopCh := make(chan struct{})
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defer close(stopCh)
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ch, errCh := daemon.discoveryWatcher.Watch(stopCh)
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select {
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case <-time.After(1 * time.Second):
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t.Fatal("failed to get discovery advertisements in time")
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case e := <-ch:
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if !reflect.DeepEqual(e, expected) {
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t.Fatalf("expected %v, got %v\n", expected, e)
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}
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case e := <-errCh:
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t.Fatal(e)
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}
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valuesSets := make(map[string]interface{})
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valuesSets["cluster-store"] = "memory://127.0.0.1:2222"
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valuesSets["cluster-advertise"] = "127.0.0.1:5555"
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newConfig := &Config{
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CommonConfig: CommonConfig{
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ClusterStore: "memory://127.0.0.1:2222",
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ClusterAdvertise: "127.0.0.1:5555",
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valuesSet: valuesSets,
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},
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}
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expected = discovery.Entries{
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&discovery.Entry{Host: "127.0.0.1", Port: "5555"},
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}
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if err := daemon.Reload(newConfig); err != nil {
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t.Fatal(err)
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}
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select {
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case <-time.After(10 * time.Second):
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t.Fatal("timeout waiting for discovery")
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case <-daemon.discoveryWatcher.ReadyCh():
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}
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ch, errCh = daemon.discoveryWatcher.Watch(stopCh)
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select {
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case <-time.After(1 * time.Second):
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t.Fatal("failed to get discovery advertisements in time")
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case e := <-ch:
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if !reflect.DeepEqual(e, expected) {
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t.Fatalf("expected %v, got %v\n", expected, e)
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}
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case e := <-errCh:
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t.Fatal(e)
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}
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}
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func TestDaemonDiscoveryReloadFromEmptyDiscovery(t *testing.T) {
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daemon := &Daemon{}
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daemon.configStore = &Config{}
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valuesSet := make(map[string]interface{})
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valuesSet["cluster-store"] = "memory://127.0.0.1:2222"
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valuesSet["cluster-advertise"] = "127.0.0.1:5555"
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newConfig := &Config{
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CommonConfig: CommonConfig{
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ClusterStore: "memory://127.0.0.1:2222",
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|
ClusterAdvertise: "127.0.0.1:5555",
|
|
valuesSet: valuesSet,
|
|
},
|
|
}
|
|
|
|
expected := discovery.Entries{
|
|
&discovery.Entry{Host: "127.0.0.1", Port: "5555"},
|
|
}
|
|
|
|
if err := daemon.Reload(newConfig); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
select {
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatal("timeout waiting for discovery")
|
|
case <-daemon.discoveryWatcher.ReadyCh():
|
|
}
|
|
|
|
stopCh := make(chan struct{})
|
|
defer close(stopCh)
|
|
ch, errCh := daemon.discoveryWatcher.Watch(stopCh)
|
|
|
|
select {
|
|
case <-time.After(1 * time.Second):
|
|
t.Fatal("failed to get discovery advertisements in time")
|
|
case e := <-ch:
|
|
if !reflect.DeepEqual(e, expected) {
|
|
t.Fatalf("expected %v, got %v\n", expected, e)
|
|
}
|
|
case e := <-errCh:
|
|
t.Fatal(e)
|
|
}
|
|
}
|
|
|
|
func TestDaemonDiscoveryReloadOnlyClusterAdvertise(t *testing.T) {
|
|
daemon := &Daemon{}
|
|
daemon.configStore = &Config{
|
|
CommonConfig: CommonConfig{
|
|
ClusterStore: "memory://127.0.0.1",
|
|
},
|
|
}
|
|
valuesSets := make(map[string]interface{})
|
|
valuesSets["cluster-advertise"] = "127.0.0.1:5555"
|
|
newConfig := &Config{
|
|
CommonConfig: CommonConfig{
|
|
ClusterAdvertise: "127.0.0.1:5555",
|
|
valuesSet: valuesSets,
|
|
},
|
|
}
|
|
expected := discovery.Entries{
|
|
&discovery.Entry{Host: "127.0.0.1", Port: "5555"},
|
|
}
|
|
|
|
if err := daemon.Reload(newConfig); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
select {
|
|
case <-daemon.discoveryWatcher.ReadyCh():
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatal("Timeout waiting for discovery")
|
|
}
|
|
stopCh := make(chan struct{})
|
|
defer close(stopCh)
|
|
ch, errCh := daemon.discoveryWatcher.Watch(stopCh)
|
|
|
|
select {
|
|
case <-time.After(1 * time.Second):
|
|
t.Fatal("failed to get discovery advertisements in time")
|
|
case e := <-ch:
|
|
if !reflect.DeepEqual(e, expected) {
|
|
t.Fatalf("expected %v, got %v\n", expected, e)
|
|
}
|
|
case e := <-errCh:
|
|
t.Fatal(e)
|
|
}
|
|
|
|
}
|