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add support to set MemorySwap

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Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2014-12-10 16:53:43 -08:00
parent eba451b659
commit 1a9b640e0d
2 changed files with 14 additions and 0 deletions
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3
daemon/create.go
View file

@ -29,6 +29,9 @@ func (daemon *Daemon) ContainerCreate(job *engine.Job) engine.Status {
job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n") job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
config.MemorySwap = -1 config.MemorySwap = -1
} }
if config.Memory > 0 && config.MemorySwap > 0 && config.MemorySwap < config.Memory {
return job.Errorf("Minimum memoryswap limit should larger than memory limit, see usage.\n")
}
var hostConfig *runconfig.HostConfig var hostConfig *runconfig.HostConfig
if job.EnvExists("HostConfig") { if job.EnvExists("HostConfig") {

11
runconfig/parse.go
View file

@ -53,6 +53,7 @@ func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSe
flEntrypoint = cmd.String([]string{"#entrypoint", "-entrypoint"}, "", "Overwrite the default ENTRYPOINT of the image") flEntrypoint = cmd.String([]string{"#entrypoint", "-entrypoint"}, "", "Overwrite the default ENTRYPOINT of the image")
flHostname = cmd.String([]string{"h", "-hostname"}, "", "Container host name") flHostname = cmd.String([]string{"h", "-hostname"}, "", "Container host name")
flMemoryString = cmd.String([]string{"m", "-memory"}, "", "Memory limit (format: <number><optional unit>, where unit = b, k, m or g)") flMemoryString = cmd.String([]string{"m", "-memory"}, "", "Memory limit (format: <number><optional unit>, where unit = b, k, m or g)")
flMemorySwap = cmd.String([]string{"-memory-swap"}, "", "Total memory usage (memory + swap), set '-1' to disable swap (format: <number><optional unit>, where unit = b, k, m or g)")
flUser = cmd.String([]string{"u", "-user"}, "", "Username or UID") flUser = cmd.String([]string{"u", "-user"}, "", "Username or UID")
flWorkingDir = cmd.String([]string{"w", "-workdir"}, "", "Working directory inside the container") flWorkingDir = cmd.String([]string{"w", "-workdir"}, "", "Working directory inside the container")
flCpuShares = cmd.Int64([]string{"c", "-cpu-shares"}, 0, "CPU shares (relative weight)") flCpuShares = cmd.Int64([]string{"c", "-cpu-shares"}, 0, "CPU shares (relative weight)")
@ -136,6 +137,15 @@ func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSe
flMemory = parsedMemory flMemory = parsedMemory
} }
var MemorySwap int64
if *flMemorySwap != "" {
parsedMemorySwap, err := units.RAMInBytes(*flMemorySwap)
if err != nil {
return nil, nil, cmd, err
}
MemorySwap = parsedMemorySwap
}
var binds []string var binds []string
// add any bind targets to the list of container volumes // add any bind targets to the list of container volumes
for bind := range flVolumes.GetMap() { for bind := range flVolumes.GetMap() {
@ -261,6 +271,7 @@ func Parse(cmd *flag.FlagSet, args []string) (*Config, *HostConfig, *flag.FlagSe
NetworkDisabled: !*flNetwork, NetworkDisabled: !*flNetwork,
OpenStdin: *flStdin, OpenStdin: *flStdin,
Memory: flMemory, Memory: flMemory,
MemorySwap: MemorySwap,
CpuShares: *flCpuShares, CpuShares: *flCpuShares,
Cpuset: *flCpuset, Cpuset: *flCpuset,
AttachStdin: attachStdin, AttachStdin: attachStdin,