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Merge pull request #100267 from Jeffwan/support_arbitratry_resources

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Expose resources overrides and maxPods conf in kubemark
This commit is contained in:
Kubernetes Prow Robot 2021-04-08 20:29:12 -07:00 committed by GitHub
commit 12f8466459
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2 changed files with 30 additions and 4 deletions
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24
cmd/kubemark/hollow-node.go
View File

@ -29,6 +29,7 @@ import (
"k8s.io/klog/v2"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/resource"
"k8s.io/apimachinery/pkg/util/sets"
clientset "k8s.io/client-go/kubernetes"
restclient "k8s.io/client-go/rest"
@ -67,6 +68,8 @@ type hollowNodeConfig struct {
ProxierMinSyncPeriod time.Duration
NodeLabels map[string]string
RegisterWithTaints []core.Taint
MaxPods int
ExtendedResources map[string]string
}
const (
@ -92,6 +95,9 @@ func (c *hollowNodeConfig) addFlags(fs *pflag.FlagSet) {
bindableNodeLabels := cliflag.ConfigurationMap(c.NodeLabels)
fs.Var(&bindableNodeLabels, "node-labels", "Additional node labels")
fs.Var(utiltaints.NewTaintsVar(&c.RegisterWithTaints), "register-with-taints", "Register the node with the given list of taints (comma separated \"<key>=<value>:<effect>\"). No-op if register-node is false.")
fs.IntVar(&c.MaxPods, "max-pods", maxPods, "Number of pods that can run on this Kubelet.")
bindableExtendedResources := cliflag.ConfigurationMap(c.ExtendedResources)
fs.Var(&bindableExtendedResources, "extended-resources", "Register the node with extended resources (comma separated \"<name>=<quantity>\")")
}
func (c *hollowNodeConfig) createClientConfigFromFile() (*restclient.Config, error) {
@ -114,7 +120,7 @@ func (c *hollowNodeConfig) createHollowKubeletOptions() *kubemark.HollowKubletOp
NodeName: c.NodeName,
KubeletPort: c.KubeletPort,
KubeletReadOnlyPort: c.KubeletReadOnlyPort,
MaxPods: maxPods,
MaxPods: c.MaxPods,
PodsPerCore: podsPerCore,
NodeLabels: c.NodeLabels,
RegisterWithTaints: c.RegisterWithTaints,
@ -143,7 +149,8 @@ func main() {
// newControllerManagerCommand creates a *cobra.Command object with default parameters
func newHollowNodeCommand() *cobra.Command {
s := &hollowNodeConfig{
NodeLabels: make(map[string]string),
NodeLabels: make(map[string]string),
ExtendedResources: make(map[string]string),
}
cmd := &cobra.Command{
@ -206,7 +213,18 @@ func run(config *hollowNodeConfig) {
cadvisorInterface := &cadvisortest.Fake{
NodeName: config.NodeName,
}
containerManager := cm.NewStubContainerManager()
var containerManager cm.ContainerManager
if config.ExtendedResources != nil {
extendedResources := v1.ResourceList{}
for k, v := range config.ExtendedResources {
extendedResources[v1.ResourceName(k)] = resource.MustParse(v)
}
containerManager = cm.NewStubContainerManagerWithDevicePluginResource(extendedResources)
} else {
containerManager = cm.NewStubContainerManager()
}
endpoint, err := fakeremote.GenerateEndpoint()
if err != nil {

10
pkg/kubelet/cm/container_manager_stub.go
View File

@ -36,6 +36,7 @@ import (
type containerManagerStub struct {
shouldResetExtendedResourceCapacity bool
extendedPluginResources v1.ResourceList
}
var _ ContainerManager = &containerManagerStub{}
@ -87,7 +88,7 @@ func (cm *containerManagerStub) GetPluginRegistrationHandler() cache.PluginHandl
}
func (cm *containerManagerStub) GetDevicePluginResourceCapacity() (v1.ResourceList, v1.ResourceList, []string) {
return nil, nil, []string{}
return cm.extendedPluginResources, cm.extendedPluginResources, []string{}
}
func (cm *containerManagerStub) NewPodContainerManager() PodContainerManager {
@ -145,3 +146,10 @@ func NewStubContainerManager() ContainerManager {
func NewStubContainerManagerWithExtendedResource(shouldResetExtendedResourceCapacity bool) ContainerManager {
return &containerManagerStub{shouldResetExtendedResourceCapacity: shouldResetExtendedResourceCapacity}
}
func NewStubContainerManagerWithDevicePluginResource(extendedPluginResources v1.ResourceList) ContainerManager {
return &containerManagerStub{
shouldResetExtendedResourceCapacity: false,
extendedPluginResources: extendedPluginResources,
}
}