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Add update rpc for resource updates

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Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Michael Crosby 2016-03-07 15:23:52 -08:00
parent 44d6a60e7e
commit 0dd075a47b
7 changed files with 298 additions and 122 deletions
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21
runtime/container.go
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@ -48,6 +48,8 @@ type Container interface {
Runtime() string
// OOM signals the channel if the container received an OOM notification
OOM() (OOM, error)
// UpdateResource updates the containers resources to new values
UpdateResources(*Resource) error
}
type OOM interface {
@ -213,3 +215,22 @@ func (c *container) RemoveProcess(pid string) error {
delete(c.processes, pid)
return os.RemoveAll(filepath.Join(c.root, c.id, pid))
}
func (c *container) UpdateResources(r *Resource) error {
container, err := c.getLibctContainer()
if err != nil {
return err
}
config := container.Config()
config.Cgroups.Resources.CpuShares = r.CPUShares
config.Cgroups.Resources.BlkioWeight = r.BlkioWeight
config.Cgroups.Resources.CpuPeriod = r.CPUPeriod
config.Cgroups.Resources.CpuQuota = r.CPUQuota
config.Cgroups.Resources.CpusetCpus = r.CpusetCpus
config.Cgroups.Resources.CpusetMems = r.CpusetMems
config.Cgroups.Resources.KernelMemory = r.KernelMemory
config.Cgroups.Resources.Memory = r.Memory
config.Cgroups.Resources.MemoryReservation = r.MemoryReservation
config.Cgroups.Resources.MemorySwap = r.MemorySwap
return container.Set(config)
}