123 lines
3.2 KiB
Go
123 lines
3.2 KiB
Go
package operatingsystem
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"os"
|
|
"path/filepath"
|
|
"testing"
|
|
)
|
|
|
|
func TestGetOperatingSystem(t *testing.T) {
|
|
var (
|
|
backup = etcOsRelease
|
|
ubuntuTrusty = []byte(`NAME="Ubuntu"
|
|
VERSION="14.04, Trusty Tahr"
|
|
ID=ubuntu
|
|
ID_LIKE=debian
|
|
PRETTY_NAME="Ubuntu 14.04 LTS"
|
|
VERSION_ID="14.04"
|
|
HOME_URL="http://www.ubuntu.com/"
|
|
SUPPORT_URL="http://help.ubuntu.com/"
|
|
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"`)
|
|
gentoo = []byte(`NAME=Gentoo
|
|
ID=gentoo
|
|
PRETTY_NAME="Gentoo/Linux"
|
|
ANSI_COLOR="1;32"
|
|
HOME_URL="http://www.gentoo.org/"
|
|
SUPPORT_URL="http://www.gentoo.org/main/en/support.xml"
|
|
BUG_REPORT_URL="https://bugs.gentoo.org/"
|
|
`)
|
|
noPrettyName = []byte(`NAME="Ubuntu"
|
|
VERSION="14.04, Trusty Tahr"
|
|
ID=ubuntu
|
|
ID_LIKE=debian
|
|
VERSION_ID="14.04"
|
|
HOME_URL="http://www.ubuntu.com/"
|
|
SUPPORT_URL="http://help.ubuntu.com/"
|
|
BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"`)
|
|
)
|
|
|
|
dir := os.TempDir()
|
|
defer func() {
|
|
etcOsRelease = backup
|
|
os.RemoveAll(dir)
|
|
}()
|
|
|
|
etcOsRelease = filepath.Join(dir, "etcOsRelease")
|
|
for expect, osRelease := range map[string][]byte{
|
|
"Ubuntu 14.04 LTS": ubuntuTrusty,
|
|
"Gentoo/Linux": gentoo,
|
|
"": noPrettyName,
|
|
} {
|
|
if err := ioutil.WriteFile(etcOsRelease, osRelease, 0600); err != nil {
|
|
t.Fatalf("failed to write to %s: %v", etcOsRelease, err)
|
|
}
|
|
s, err := GetOperatingSystem()
|
|
if s != expect {
|
|
if expect == "" {
|
|
t.Fatalf("Expected error 'PRETTY_NAME not found', but got %v", err)
|
|
} else {
|
|
t.Fatalf("Expected '%s', but got '%s'. Err=%v", expect, s, err)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestIsContainerized(t *testing.T) {
|
|
var (
|
|
backup = proc1Cgroup
|
|
nonContainerizedProc1Cgroup = []byte(`14:name=systemd:/
|
|
13:hugetlb:/
|
|
12:net_prio:/
|
|
11:perf_event:/
|
|
10:bfqio:/
|
|
9:blkio:/
|
|
8:net_cls:/
|
|
7:freezer:/
|
|
6:devices:/
|
|
5:memory:/
|
|
4:cpuacct:/
|
|
3:cpu:/
|
|
2:cpuset:/
|
|
`)
|
|
containerizedProc1Cgroup = []byte(`9:perf_event:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
8:blkio:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
7:net_cls:/
|
|
6:freezer:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
5:devices:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
4:memory:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
3:cpuacct:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
2:cpu:/docker/3cef1b53c50b0fa357d994f8a1a8cd783c76bbf4f5dd08b226e38a8bd331338d
|
|
1:cpuset:/`)
|
|
)
|
|
|
|
dir := os.TempDir()
|
|
defer func() {
|
|
proc1Cgroup = backup
|
|
os.RemoveAll(dir)
|
|
}()
|
|
|
|
proc1Cgroup = filepath.Join(dir, "proc1Cgroup")
|
|
|
|
if err := ioutil.WriteFile(proc1Cgroup, nonContainerizedProc1Cgroup, 0600); err != nil {
|
|
t.Fatalf("failed to write to %s: %v", proc1Cgroup, err)
|
|
}
|
|
inContainer, err := IsContainerized()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if inContainer {
|
|
t.Fatal("Wrongly assuming containerized")
|
|
}
|
|
|
|
if err := ioutil.WriteFile(proc1Cgroup, containerizedProc1Cgroup, 0600); err != nil {
|
|
t.Fatalf("failed to write to %s: %v", proc1Cgroup, err)
|
|
}
|
|
inContainer, err = IsContainerized()
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if !inContainer {
|
|
t.Fatal("Wrongly assuming non-containerized")
|
|
}
|
|
}
|