mirror of
https://github.com/moby/moby.git
synced 2022-11-09 12:21:53 -05:00
217 lines
7.5 KiB
Go
217 lines
7.5 KiB
Go
// +build !windows
|
|
|
|
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/docker/docker/pkg/integration/checker"
|
|
"github.com/docker/engine-api/types"
|
|
"github.com/go-check/check"
|
|
)
|
|
|
|
func (s *DockerSuite) TestUpdateRunningContainer(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "-m", "300M", "busybox", "top")
|
|
dockerCmd(c, "update", "-m", "500M", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.Memory"), checker.Equals, "524288000")
|
|
|
|
file := "/sys/fs/cgroup/memory/memory.limit_in_bytes"
|
|
out, _ := dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "524288000")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateRunningContainerWithRestart(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "-m", "300M", "busybox", "top")
|
|
dockerCmd(c, "update", "-m", "500M", name)
|
|
dockerCmd(c, "restart", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.Memory"), checker.Equals, "524288000")
|
|
|
|
file := "/sys/fs/cgroup/memory/memory.limit_in_bytes"
|
|
out, _ := dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "524288000")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateStoppedContainer(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
|
|
name := "test-update-container"
|
|
file := "/sys/fs/cgroup/memory/memory.limit_in_bytes"
|
|
dockerCmd(c, "run", "--name", name, "-m", "300M", "busybox", "cat", file)
|
|
dockerCmd(c, "update", "-m", "500M", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.Memory"), checker.Equals, "524288000")
|
|
|
|
out, _ := dockerCmd(c, "start", "-a", name)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "524288000")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdatePausedContainer(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, cpuShare)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "--cpu-shares", "1000", "busybox", "top")
|
|
dockerCmd(c, "pause", name)
|
|
dockerCmd(c, "update", "--cpu-shares", "500", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.CPUShares"), checker.Equals, "500")
|
|
|
|
dockerCmd(c, "unpause", name)
|
|
file := "/sys/fs/cgroup/cpu/cpu.shares"
|
|
out, _ := dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "500")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateWithUntouchedFields(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
testRequires(c, cpuShare)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "-m", "300M", "--cpu-shares", "800", "busybox", "top")
|
|
dockerCmd(c, "update", "-m", "500M", name)
|
|
|
|
// Update memory and not touch cpus, `cpuset.cpus` should still have the old value
|
|
out := inspectField(c, name, "HostConfig.CPUShares")
|
|
c.Assert(out, check.Equals, "800")
|
|
|
|
file := "/sys/fs/cgroup/cpu/cpu.shares"
|
|
out, _ = dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "800")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateContainerInvalidValue(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "-m", "300M", "busybox", "true")
|
|
out, _, err := dockerCmdWithError("update", "-m", "2M", name)
|
|
c.Assert(err, check.NotNil)
|
|
expected := "Minimum memory limit allowed is 4MB"
|
|
c.Assert(out, checker.Contains, expected)
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateContainerWithoutFlags(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "-m", "300M", "busybox", "true")
|
|
_, _, err := dockerCmdWithError("update", name)
|
|
c.Assert(err, check.NotNil)
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateKernelMemory(c *check.C) {
|
|
testRequires(c, DaemonIsLinux, kernelMemorySupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "--kernel-memory", "50M", "busybox", "top")
|
|
_, _, err := dockerCmdWithError("update", "--kernel-memory", "100M", name)
|
|
// Update kernel memory to a running container is not allowed.
|
|
c.Assert(err, check.NotNil)
|
|
|
|
// Update kernel memory to a running container with failure should not change HostConfig
|
|
c.Assert(inspectField(c, name, "HostConfig.KernelMemory"), checker.Equals, "52428800")
|
|
|
|
dockerCmd(c, "pause", name)
|
|
_, _, err = dockerCmdWithError("update", "--kernel-memory", "100M", name)
|
|
c.Assert(err, check.NotNil)
|
|
c.Assert(inspectField(c, name, "HostConfig.KernelMemory"), checker.Equals, "52428800")
|
|
dockerCmd(c, "unpause", name)
|
|
|
|
dockerCmd(c, "stop", name)
|
|
dockerCmd(c, "update", "--kernel-memory", "100M", name)
|
|
dockerCmd(c, "start", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.KernelMemory"), checker.Equals, "104857600")
|
|
|
|
file := "/sys/fs/cgroup/memory/memory.kmem.limit_in_bytes"
|
|
out, _ := dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "104857600")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateSwapMemoryOnly(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
testRequires(c, swapMemorySupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "--memory", "300M", "--memory-swap", "500M", "busybox", "top")
|
|
dockerCmd(c, "update", "--memory-swap", "600M", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.MemorySwap"), checker.Equals, "629145600")
|
|
|
|
file := "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"
|
|
out, _ := dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "629145600")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateInvalidSwapMemory(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
testRequires(c, swapMemorySupport)
|
|
|
|
name := "test-update-container"
|
|
dockerCmd(c, "run", "-d", "--name", name, "--memory", "300M", "--memory-swap", "500M", "busybox", "top")
|
|
_, _, err := dockerCmdWithError("update", "--memory-swap", "200M", name)
|
|
// Update invalid swap memory should fail.
|
|
// This will pass docker config validation, but failed at kernel validation
|
|
c.Assert(err, check.NotNil)
|
|
|
|
// Update invalid swap memory with failure should not change HostConfig
|
|
c.Assert(inspectField(c, name, "HostConfig.Memory"), checker.Equals, "314572800")
|
|
c.Assert(inspectField(c, name, "HostConfig.MemorySwap"), checker.Equals, "524288000")
|
|
|
|
dockerCmd(c, "update", "--memory-swap", "600M", name)
|
|
|
|
c.Assert(inspectField(c, name, "HostConfig.MemorySwap"), checker.Equals, "629145600")
|
|
|
|
file := "/sys/fs/cgroup/memory/memory.memsw.limit_in_bytes"
|
|
out, _ := dockerCmd(c, "exec", name, "cat", file)
|
|
c.Assert(strings.TrimSpace(out), checker.Equals, "629145600")
|
|
}
|
|
|
|
func (s *DockerSuite) TestUpdateStats(c *check.C) {
|
|
testRequires(c, DaemonIsLinux)
|
|
testRequires(c, memoryLimitSupport)
|
|
testRequires(c, cpuCfsQuota)
|
|
name := "foo"
|
|
dockerCmd(c, "run", "-d", "-ti", "--name", name, "-m", "500m", "busybox")
|
|
|
|
c.Assert(waitRun(name), checker.IsNil)
|
|
|
|
getMemLimit := func(id string) uint64 {
|
|
resp, body, err := sockRequestRaw("GET", fmt.Sprintf("/containers/%s/stats?stream=false", id), nil, "")
|
|
c.Assert(err, checker.IsNil)
|
|
c.Assert(resp.Header.Get("Content-Type"), checker.Equals, "application/json")
|
|
|
|
var v *types.Stats
|
|
err = json.NewDecoder(body).Decode(&v)
|
|
c.Assert(err, checker.IsNil)
|
|
body.Close()
|
|
|
|
return v.MemoryStats.Limit
|
|
}
|
|
preMemLimit := getMemLimit(name)
|
|
|
|
dockerCmd(c, "update", "--cpu-quota", "2000", name)
|
|
|
|
curMemLimit := getMemLimit(name)
|
|
|
|
c.Assert(preMemLimit, checker.Equals, curMemLimit)
|
|
|
|
}
|