runc/container_test.go

119 lines
2.6 KiB
Go

package libcontainer
import (
"encoding/json"
"os"
"testing"
"github.com/docker/libcontainer/devices"
)
// Checks whether the expected capability is specified in the capabilities.
func contains(expected string, values []string) bool {
for _, v := range values {
if v == expected {
return true
}
}
return false
}
func containsDevice(expected *devices.Device, values []*devices.Device) bool {
for _, d := range values {
if d.Path == expected.Path &&
d.CgroupPermissions == expected.CgroupPermissions &&
d.FileMode == expected.FileMode &&
d.MajorNumber == expected.MajorNumber &&
d.MinorNumber == expected.MinorNumber &&
d.Type == expected.Type {
return true
}
}
return false
}
func TestContainerJsonFormat(t *testing.T) {
f, err := os.Open("sample_configs/attach_to_bridge.json")
if err != nil {
t.Fatal("Unable to open container.json")
}
defer f.Close()
var container *Container
if err := json.NewDecoder(f).Decode(&container); err != nil {
t.Fatalf("failed to decode container config: %s", err)
}
if container.Hostname != "koye" {
t.Log("hostname is not set")
t.Fail()
}
if !container.Tty {
t.Log("tty should be set to true")
t.Fail()
}
if !container.Namespaces["NEWNET"] {
t.Log("namespaces should contain NEWNET")
t.Fail()
}
if container.Namespaces["NEWUSER"] {
t.Log("namespaces should not contain NEWUSER")
t.Fail()
}
if contains("SYS_ADMIN", container.Capabilities) {
t.Log("SYS_ADMIN should not be enabled in capabilities mask")
t.Fail()
}
if !contains("MKNOD", container.Capabilities) {
t.Log("MKNOD should be enabled in capabilities mask")
t.Fail()
}
if !contains("SYS_CHROOT", container.Capabilities) {
t.Log("capabilities mask should contain SYS_CHROOT")
t.Fail()
}
for _, n := range container.Networks {
if n.Type == "veth" {
if n.Bridge != "docker0" {
t.Logf("veth bridge should be docker0 but received %q", n.Bridge)
t.Fail()
}
if n.Address != "172.17.0.101/16" {
t.Logf("veth address should be 172.17.0.101/61 but received %q", n.Address)
t.Fail()
}
if n.VethPrefix != "veth" {
t.Logf("veth prefix should be veth but received %q", n.VethPrefix)
t.Fail()
}
if n.Gateway != "172.17.42.1" {
t.Logf("veth gateway should be 172.17.42.1 but received %q", n.Gateway)
t.Fail()
}
if n.Mtu != 1500 {
t.Logf("veth mtu should be 1500 but received %d", n.Mtu)
t.Fail()
}
break
}
}
for _, d := range devices.DefaultSimpleDevices {
if !containsDevice(d, container.MountConfig.DeviceNodes) {
t.Logf("expected defice configuration for %s", d.Path)
t.Fail()
}
}
}