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Merge pull request #13487 from calavera/volume_load_regression_test

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Add regression test to make sure we can load old containers with volumes.
This commit is contained in:
Brian Goff 2015-05-26 19:40:08 -04:00
commit 838e1a8947
1 changed files with 94 additions and 2 deletions
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96
daemon/daemon_test.go
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@ -1,11 +1,17 @@
package daemon
import (
"github.com/docker/docker/pkg/graphdb"
"github.com/docker/docker/pkg/truncindex"
"fmt"
"io/ioutil"
"os"
"path"
"path/filepath"
"testing"
"github.com/docker/docker/pkg/graphdb"
"github.com/docker/docker/pkg/stringid"
"github.com/docker/docker/pkg/truncindex"
"github.com/docker/docker/volume"
)
//
@ -113,3 +119,89 @@ func TestGet(t *testing.T) {
os.Remove(daemonTestDbPath)
}
func TestLoadWithVolume(t *testing.T) {
tmp, err := ioutil.TempDir("", "docker-daemon-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)
}
hostVolumeId := stringid.GenerateRandomID()
volumePath := filepath.Join(tmp, "vfs", "dir", hostVolumeId)
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","PortMapping":null,"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","ExecDriver":"native-0.2","MountLabel":"","ProcessLabel":"","AppArmorProfile":"","RestartCount":0,
"UpdateDns":false,"Volumes":{"/vol1":"%s"},"VolumesRW":{"/vol1":true},"AppliedVolumesFrom":null}`
cfg := fmt.Sprintf(config, volumePath)
if err = ioutil.WriteFile(filepath.Join(containerPath, "config.json"), []byte(cfg), 0644); err != nil {
t.Fatal(err)
}
hostConfig := `{"Binds":[],"ContainerIDFile":"","LxcConf":[],"Memory":0,"MemorySwap":0,"CpuShares":0,"CpusetCpus":"",
"Privileged":false,"PortBindings":{},"Links":null,"PublishAllPorts":false,"Dns":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":""}`
if err = ioutil.WriteFile(filepath.Join(containerPath, "hostconfig.json"), []byte(hostConfig), 0644); err != nil {
t.Fatal(err)
}
if err = os.MkdirAll(volumePath, 0755); err != nil {
t.Fatal(err)
}
daemon := &Daemon{
repository: tmp,
root: tmp,
}
c, err := daemon.load(containerId)
if err != nil {
t.Fatal(err)
}
err = daemon.verifyOldVolumesInfo(c)
if err != nil {
t.Fatal(err)
}
if len(c.MountPoints) != 1 {
t.Fatalf("Expected 1 volume mounted, was 0\n")
}
m := c.MountPoints["/vol1"]
if m.Name != hostVolumeId {
t.Fatalf("Expected mount name to be %s, was %s\n", hostVolumeId, m.Name)
}
if m.Destination != "/vol1" {
t.Fatalf("Expected mount destination /vol1, was %s\n", m.Destination)
}
if !m.RW {
t.Fatalf("Expected mount point to be RW but it was not\n")
}
if m.Driver != volume.DefaultDriverName {
t.Fatalf("Expected mount driver local, was %s\n", m.Driver)
}
}