зеркало из https://github.com/microsoft/docker.git
103 строки
2.2 KiB
Go
103 строки
2.2 KiB
Go
package docker
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import (
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"bufio"
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"fmt"
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"io/ioutil"
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"math/rand"
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"os"
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"strings"
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"testing"
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"time"
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)
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func TestLXCConfig(t *testing.T) {
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root, err := ioutil.TempDir("", "TestLXCConfig")
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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(root)
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// Memory is allocated randomly for testing
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rand.Seed(time.Now().UTC().UnixNano())
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memMin := 33554432
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memMax := 536870912
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mem := memMin + rand.Intn(memMax-memMin)
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// CPU shares as well
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cpuMin := 100
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cpuMax := 10000
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cpu := cpuMin + rand.Intn(cpuMax-cpuMin)
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container := &Container{
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root: root,
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Config: &Config{
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Hostname: "foobar",
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Memory: int64(mem),
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CpuShares: int64(cpu),
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NetworkDisabled: true,
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},
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hostConfig: &HostConfig{
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Privileged: false,
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},
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}
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if err := container.generateLXCConfig(); err != nil {
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t.Fatal(err)
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}
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grepFile(t, container.lxcConfigPath(), "lxc.utsname = foobar")
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grepFile(t, container.lxcConfigPath(),
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fmt.Sprintf("lxc.cgroup.memory.limit_in_bytes = %d", mem))
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grepFile(t, container.lxcConfigPath(),
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fmt.Sprintf("lxc.cgroup.memory.memsw.limit_in_bytes = %d", mem*2))
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}
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func TestCustomLxcConfig(t *testing.T) {
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root, err := ioutil.TempDir("", "TestCustomLxcConfig")
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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(root)
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container := &Container{
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root: root,
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Config: &Config{
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Hostname: "foobar",
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NetworkDisabled: true,
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},
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hostConfig: &HostConfig{
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Privileged: false,
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LxcConf: []KeyValuePair{
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{
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Key: "lxc.utsname",
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Value: "docker",
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},
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{
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Key: "lxc.cgroup.cpuset.cpus",
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Value: "0,1",
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},
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},
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},
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}
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if err := container.generateLXCConfig(); err != nil {
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t.Fatal(err)
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}
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grepFile(t, container.lxcConfigPath(), "lxc.utsname = docker")
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grepFile(t, container.lxcConfigPath(), "lxc.cgroup.cpuset.cpus = 0,1")
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}
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func grepFile(t *testing.T, path string, pattern string) {
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f, err := os.Open(path)
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if err != nil {
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t.Fatal(err)
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}
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defer f.Close()
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r := bufio.NewReader(f)
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var (
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line string
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)
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err = nil
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for err == nil {
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line, err = r.ReadString('\n')
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if strings.Contains(line, pattern) == true {
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return
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}
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}
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t.Fatalf("grepFile: pattern \"%s\" not found in \"%s\"", pattern, path)
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}
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