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Set default MemorySwappiness when adapt

It makes the inspect result consistent between cli and REST api
when MemorySwappiness is not set.

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2015-12-02 10:53:52 +08:00
parent 1415f55cc0
commit 4089b4e440
5 changed files with 14 additions and 9 deletions

View file

@ -296,11 +296,7 @@ func (daemon *Daemon) populateCommand(c *Container, env []string) error {
Rlimits: rlimits,
BlkioWeightDevice: weightDevices,
OomKillDisable: c.hostConfig.OomKillDisable,
MemorySwappiness: -1,
}
if c.hostConfig.MemorySwappiness != nil {
resources.MemorySwappiness = *c.hostConfig.MemorySwappiness
MemorySwappiness: *c.hostConfig.MemorySwappiness,
}
processConfig := execdriver.ProcessConfig{

View file

@ -138,6 +138,10 @@ func (daemon *Daemon) adaptContainerSettings(hostConfig *runconfig.HostConfig, a
return err
}
}
if hostConfig.MemorySwappiness == nil {
defaultSwappiness := int64(-1)
hostConfig.MemorySwappiness = &defaultSwappiness
}
return nil
}

View file

@ -48,9 +48,9 @@ func checkKernel() error {
// adaptContainerSettings is called during container creation to modify any
// settings necessary in the HostConfig structure.
func (daemon *Daemon) adaptContainerSettings(hostConfig *runconfig.HostConfig, adjustCPUShares bool) {
func (daemon *Daemon) adaptContainerSettings(hostConfig *runconfig.HostConfig, adjustCPUShares bool) error {
if hostConfig == nil {
return
return nil
}
if hostConfig.CPUShares < 0 {
@ -60,6 +60,8 @@ func (daemon *Daemon) adaptContainerSettings(hostConfig *runconfig.HostConfig, a
logrus.Warnf("Changing requested CPUShares of %d to maximum allowed of %d", hostConfig.CPUShares, windowsMaxCPUShares)
hostConfig.CPUShares = windowsMaxCPUShares
}
return nil
}
// verifyPlatformContainerSettings performs platform-specific validation of the

View file

@ -36,6 +36,9 @@ func (daemon *Daemon) ContainerStart(name string, hostConfig *runconfig.HostConf
return err
}
container.Unlock()
if err := daemon.adaptContainerSettings(hostConfig, false); err != nil {
return err
}
if err := daemon.setHostConfig(container, hostConfig); err != nil {
return err
}

View file

@ -1434,7 +1434,7 @@ func (s *DockerSuite) TestPostContainersCreateShmSizeHostConfigOmitted(c *check.
var containerJSON types.ContainerJSON
c.Assert(json.Unmarshal(body, &containerJSON), check.IsNil)
c.Assert(containerJSON.HostConfig.ShmSize, check.IsNil)
c.Assert(*containerJSON.HostConfig.ShmSize, check.Equals, runconfig.DefaultSHMSize)
out, _ := dockerCmd(c, "start", "-i", containerJSON.ID)
shmRegexp := regexp.MustCompile(`shm on /dev/shm type tmpfs(.*)size=65536k`)
@ -1522,5 +1522,5 @@ func (s *DockerSuite) TestPostContainersCreateMemorySwappinessHostConfigOmitted(
var containerJSON types.ContainerJSON
c.Assert(json.Unmarshal(body, &containerJSON), check.IsNil)
c.Assert(containerJSON.HostConfig.MemorySwappiness, check.IsNil)
c.Assert(*containerJSON.HostConfig.MemorySwappiness, check.Equals, int64(-1))
}