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authorcdoern <cbdoer23@g.holycross.edu>2021-06-17 17:36:35 -0400
committercdoern <cbdoer23@g.holycross.edu>2021-06-23 13:47:57 -0400
commitbbd085ad1e3cf9c5b543c907ad7014ccf8a5cb34 (patch)
tree14dd2d240f32586a624f6a786d8127b8bfb95017 /pkg/domain
parent510509bafcdd055b4a6819ed300db7292c6fb6b8 (diff)
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Podman Pod Create --cpus and --cpuset-cpus flags
Added logic and handling for two new Podman pod create Flags. --cpus specifies the total number of cores on which the pod can execute, this is a combination of the period and quota for the CPU. --cpuset-cpus is a string value which determines of these available cores, how many we will truly execute on. Signed-off-by: cdoern <cbdoer23@g.holycross.edu>
Diffstat (limited to 'pkg/domain')
-rw-r--r--pkg/domain/entities/pods.go41
1 files changed, 40 insertions, 1 deletions
diff --git a/pkg/domain/entities/pods.go b/pkg/domain/entities/pods.go
index 88055454f..35f940bca 100644
--- a/pkg/domain/entities/pods.go
+++ b/pkg/domain/entities/pods.go
@@ -7,6 +7,8 @@ import (
"github.com/containers/podman/v3/libpod/define"
"github.com/containers/podman/v3/pkg/specgen"
+ "github.com/containers/podman/v3/pkg/util"
+ "github.com/opencontainers/runtime-spec/specs-go"
)
type PodKillOptions struct {
@@ -116,13 +118,35 @@ type PodCreateOptions struct {
Name string
Net *NetOptions
Share []string
+ Cpus float64
+ CpusetCpus string
}
type PodCreateReport struct {
Id string //nolint
}
-func (p PodCreateOptions) ToPodSpecGen(s *specgen.PodSpecGenerator) {
+func (p *PodCreateOptions) CPULimits() *specs.LinuxCPU {
+ cpu := &specs.LinuxCPU{}
+ hasLimits := false
+
+ if p.Cpus != 0 {
+ period, quota := util.CoresToPeriodAndQuota(p.Cpus)
+ cpu.Period = &period
+ cpu.Quota = &quota
+ hasLimits = true
+ }
+ if p.CpusetCpus != "" {
+ cpu.Cpus = p.CpusetCpus
+ hasLimits = true
+ }
+ if !hasLimits {
+ return cpu
+ }
+ return cpu
+}
+
+func (p *PodCreateOptions) ToPodSpecGen(s *specgen.PodSpecGenerator) error {
// Basic Config
s.Name = p.Name
s.Hostname = p.Hostname
@@ -156,6 +180,21 @@ func (p PodCreateOptions) ToPodSpecGen(s *specgen.PodSpecGenerator) {
// Cgroup
s.CgroupParent = p.CGroupParent
+
+ // Resource config
+ cpuDat := p.CPULimits()
+ if s.ResourceLimits == nil {
+ s.ResourceLimits = &specs.LinuxResources{}
+ s.ResourceLimits.CPU = &specs.LinuxCPU{}
+ }
+ if cpuDat != nil {
+ s.ResourceLimits.CPU = cpuDat
+ if p.Cpus != 0 {
+ s.CPUPeriod = *cpuDat.Period
+ s.CPUQuota = *cpuDat.Quota
+ }
+ }
+ return nil
}
type PodPruneOptions struct {