func (config *RCConfig) applyTo(template *api.PodTemplateSpec) {
if config.Env != nil {
for k, v := range config.Env {
c := &template.Spec.Containers[0]
c.Env = append(c.Env, api.EnvVar{Name: k, Value: v})
}
}
if config.Labels != nil {
for k, v := range config.Labels {
template.ObjectMeta.Labels[k] = v
}
}
if config.NodeSelector != nil {
template.Spec.NodeSelector = make(map[string]string)
for k, v := range config.NodeSelector {
template.Spec.NodeSelector[k] = v
}
}
if config.Ports != nil {
for k, v := range config.Ports {
c := &template.Spec.Containers[0]
c.Ports = append(c.Ports, api.ContainerPort{Name: k, ContainerPort: int32(v)})
}
}
if config.HostPorts != nil {
for k, v := range config.HostPorts {
c := &template.Spec.Containers[0]
c.Ports = append(c.Ports, api.ContainerPort{Name: k, ContainerPort: int32(v), HostPort: int32(v)})
}
}
if config.CpuLimit > 0 || config.MemLimit > 0 {
template.Spec.Containers[0].Resources.Limits = api.ResourceList{}
}
if config.CpuLimit > 0 {
template.Spec.Containers[0].Resources.Limits[api.ResourceCPU] = *resource.NewMilliQuantity(config.CpuLimit, resource.DecimalSI)
}
if config.MemLimit > 0 {
template.Spec.Containers[0].Resources.Limits[api.ResourceMemory] = *resource.NewQuantity(config.MemLimit, resource.DecimalSI)
}
if config.CpuRequest > 0 || config.MemRequest > 0 {
template.Spec.Containers[0].Resources.Requests = api.ResourceList{}
}
if config.CpuRequest > 0 {
template.Spec.Containers[0].Resources.Requests[api.ResourceCPU] = *resource.NewMilliQuantity(config.CpuRequest, resource.DecimalSI)
}
if config.MemRequest > 0 {
template.Spec.Containers[0].Resources.Requests[api.ResourceMemory] = *resource.NewQuantity(config.MemRequest, resource.DecimalSI)
}
if len(config.Volumes) > 0 {
template.Spec.Volumes = config.Volumes
}
if len(config.VolumeMounts) > 0 {
template.Spec.Containers[0].VolumeMounts = config.VolumeMounts
}
}
func testNodeMetricsData() (*metrics_api.NodeMetricsList, *api.NodeList) {
metrics := &metrics_api.NodeMetricsList{
ListMeta: unversioned.ListMeta{
ResourceVersion: "1",
},
Items: []metrics_api.NodeMetrics{
{
ObjectMeta: v1.ObjectMeta{Name: "node1", ResourceVersion: "10"},
Window: unversioned.Duration{Duration: time.Minute},
Usage: v1.ResourceList{
v1.ResourceCPU: *resource.NewMilliQuantity(1, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(2*(1024*1024), resource.DecimalSI),
v1.ResourceStorage: *resource.NewQuantity(3*(1024*1024), resource.DecimalSI),
},
},
{
ObjectMeta: v1.ObjectMeta{Name: "node2", ResourceVersion: "11"},
Window: unversioned.Duration{Duration: time.Minute},
Usage: v1.ResourceList{
v1.ResourceCPU: *resource.NewMilliQuantity(5, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(6*(1024*1024), resource.DecimalSI),
v1.ResourceStorage: *resource.NewQuantity(7*(1024*1024), resource.DecimalSI),
},
},
},
}
nodes := &api.NodeList{
ListMeta: unversioned.ListMeta{
ResourceVersion: "15",
},
Items: []api.Node{
{
ObjectMeta: api.ObjectMeta{Name: "node1", ResourceVersion: "10"},
Status: api.NodeStatus{
Allocatable: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(10, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(20*(1024*1024), resource.DecimalSI),
api.ResourceStorage: *resource.NewQuantity(30*(1024*1024), resource.DecimalSI),
},
},
},
{
ObjectMeta: api.ObjectMeta{Name: "node2", ResourceVersion: "11"},
Status: api.NodeStatus{
Allocatable: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(50, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(60*(1024*1024), resource.DecimalSI),
api.ResourceStorage: *resource.NewQuantity(70*(1024*1024), resource.DecimalSI),
},
},
},
},
}
return metrics, nodes
}
func makeNode(node string, milliCPU, memory int64) *api.Node {
return &api.Node{
ObjectMeta: api.ObjectMeta{Name: node},
Status: api.NodeStatus{
Capacity: api.ResourceList{
"cpu": *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
"memory": *resource.NewQuantity(memory, resource.BinarySI),
},
Allocatable: api.ResourceList{
"cpu": *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
"memory": *resource.NewQuantity(memory, resource.BinarySI),
},
},
}
}
// createOutOfDiskPod creates a pod in the given namespace with the requested amount of CPU.
func createOutOfDiskPod(c *client.Client, ns, name string, milliCPU int64) {
podClient := c.Pods(ns)
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: name,
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "pause",
Image: "beta.gcr.io/google_containers/pause:2.0",
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
// Request enough CPU to fit only two pods on a given node.
api.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
},
},
},
},
},
}
_, err := podClient.Create(pod)
expectNoError(err)
}
// createOutOfDiskPod creates a pod in the given namespace with the requested amount of CPU.
func createOutOfDiskPod(c clientset.Interface, ns, name string, milliCPU int64) {
podClient := c.Core().Pods(ns)
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
Name: name,
},
Spec: api.PodSpec{
Containers: []api.Container{
{
Name: "pause",
Image: framework.GetPauseImageName(c),
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
// Request enough CPU to fit only two pods on a given node.
api.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
},
},
},
},
},
}
_, err := podClient.Create(pod)
framework.ExpectNoError(err)
}
// BuildTestPod creates a pod with specified resources.
func BuildTestPod(name string, cpu int64, mem int64) *kube_api.Pod {
pod := &kube_api.Pod{
ObjectMeta: kube_api.ObjectMeta{
Namespace: "default",
Name: name,
},
Spec: kube_api.PodSpec{
Containers: []kube_api.Container{
{
Resources: kube_api.ResourceRequirements{
Requests: kube_api.ResourceList{},
},
},
},
},
}
if cpu >= 0 {
pod.Spec.Containers[0].Resources.Requests[kube_api.ResourceCPU] = *resource.NewMilliQuantity(cpu, resource.DecimalSI)
}
if mem >= 0 {
pod.Spec.Containers[0].Resources.Requests[kube_api.ResourceMemory] = *resource.NewQuantity(mem, resource.DecimalSI)
}
return pod
}
func TestReservation(t *testing.T) {
pod := buildPod("p1", 100, 200000)
pod2 := &kube_api.Pod{
Spec: kube_api.PodSpec{
Containers: []kube_api.Container{
{
Resources: kube_api.ResourceRequirements{
Requests: kube_api.ResourceList{},
},
},
},
},
}
nodeInfo := schedulercache.NewNodeInfo(pod, pod, pod2)
node := &kube_api.Node{
Status: kube_api.NodeStatus{
Capacity: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(2000, resource.DecimalSI),
},
},
}
reservation, err := calculateReservation(node, nodeInfo, kube_api.ResourceCPU)
assert.NoError(t, err)
assert.InEpsilon(t, 1.0/10, reservation, 0.01)
_, err = calculateReservation(node, nodeInfo, kube_api.ResourceMemory)
assert.Error(t, err)
}
func (ir initialResources) getEstimation(kind api.ResourceName, c *api.Container) (*resource.Quantity, error) {
end := time.Now()
start := end.Add(-week)
var usage, samples int64
var err error
// Historical data from last 7 days for the same image:tag.
if usage, samples, err = ir.source.GetUsagePercentile(kind, *percentile, c.Image, true, start, end); err != nil {
return nil, err
}
if samples < samplesThreshold {
// Historical data from last 30 days for the same image:tag.
start := end.Add(-month)
if usage, samples, err = ir.source.GetUsagePercentile(kind, *percentile, c.Image, true, start, end); err != nil {
return nil, err
}
}
if samples < samplesThreshold {
// Historical data from last 30 days for the same image.
start := end.Add(-month)
image := strings.Split(c.Image, ":")[0]
if usage, samples, err = ir.source.GetUsagePercentile(kind, *percentile, image, false, start, end); err != nil {
return nil, err
}
}
if samples > 0 && kind == api.ResourceCPU {
return resource.NewMilliQuantity(usage, resource.DecimalSI), nil
}
if samples > 0 && kind == api.ResourceMemory {
return resource.NewQuantity(usage, resource.DecimalSI), nil
}
return nil, nil
}
// PodCPU computes total cpu limit across all containers in pod
// TODO: Remove this once the mesos scheduler becomes request aware
func PodCPU(pod *api.Pod) *resource.Quantity {
val := int64(0)
for j := range pod.Spec.Containers {
val = val + pod.Spec.Containers[j].Resources.Limits.Cpu().MilliValue()
}
return resource.NewMilliQuantity(int64(val), resource.DecimalSI)
}
func makeAllocatableResources(milliCPU int64, memory int64, pods int64) api.ResourceList {
return api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(milliCPU, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(memory, resource.BinarySI),
api.ResourcePods: *resource.NewQuantity(pods, resource.DecimalSI),
}
}
// cpu is in cores, memory is in GiB
func makeResources(cpu float64, memory float64) *api.NodeResources {
return &api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(int64(cpu*1000), resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(int64(memory*1024*1024*1024), resource.BinarySI),
},
}
}
func resourceLimits(cpu resources.CPUShares, mem resources.MegaBytes) ctOpt {
return ctOpt(func(c *api.Container) {
if c.Resources.Limits == nil {
c.Resources.Limits = make(api.ResourceList)
}
c.Resources.Limits[api.ResourceCPU] = *resource.NewMilliQuantity(int64(float64(cpu)*1000.0), resource.DecimalSI)
c.Resources.Limits[api.ResourceMemory] = *resource.NewQuantity(int64(float64(mem)*1024.0*1024.0), resource.BinarySI)
})
}
func TestEstimate(t *testing.T) {
cpuPerPod := int64(500)
memoryPerPod := int64(1000 * 1024 * 1024)
pod := &apiv1.Pod{
Spec: apiv1.PodSpec{
Containers: []apiv1.Container{
{
Resources: apiv1.ResourceRequirements{
Requests: apiv1.ResourceList{
apiv1.ResourceCPU: *resource.NewMilliQuantity(cpuPerPod, resource.DecimalSI),
apiv1.ResourceMemory: *resource.NewQuantity(memoryPerPod, resource.DecimalSI),
},
},
},
},
},
}
estimator := NewBasicNodeEstimator()
for i := 0; i < 5; i++ {
podCopy := *pod
estimator.Add(&podCopy)
}
assert.Equal(t, int64(500*5), estimator.cpuSum.MilliValue())
assert.Equal(t, int64(5*memoryPerPod), estimator.memorySum.Value())
assert.Equal(t, 5, estimator.GetCount())
node := &apiv1.Node{
Status: apiv1.NodeStatus{
Capacity: apiv1.ResourceList{
apiv1.ResourceCPU: *resource.NewMilliQuantity(3*cpuPerPod, resource.DecimalSI),
apiv1.ResourceMemory: *resource.NewQuantity(2*memoryPerPod, resource.DecimalSI),
apiv1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
},
},
}
estimate, report := estimator.Estimate(node)
assert.Contains(t, estimator.GetDebug(), "CPU")
assert.Contains(t, report, "CPU")
assert.Equal(t, 3, estimate)
}
func TestBinpackingEstimateWithPorts(t *testing.T) {
estimator := NewBinpackingNodeEstimator(simulator.NewTestPredicateChecker())
cpuPerPod := int64(200)
memoryPerPod := int64(1000 * 1024 * 1024)
pod := &kube_api.Pod{
Spec: kube_api.PodSpec{
Containers: []kube_api.Container{
{
Resources: kube_api.ResourceRequirements{
Requests: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(cpuPerPod, resource.DecimalSI),
kube_api.ResourceMemory: *resource.NewQuantity(memoryPerPod, resource.DecimalSI),
},
},
Ports: []kube_api.ContainerPort{
{
HostPort: 5555,
},
},
},
},
},
}
pods := make([]*kube_api.Pod, 0)
for i := 0; i < 8; i++ {
pods = append(pods, pod)
}
node := &kube_api.Node{
Status: kube_api.NodeStatus{
Capacity: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(5*cpuPerPod, resource.DecimalSI),
kube_api.ResourceMemory: *resource.NewQuantity(5*memoryPerPod, resource.DecimalSI),
kube_api.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
},
},
}
node.Status.Allocatable = node.Status.Capacity
nodeInfo := schedulercache.NewNodeInfo()
nodeInfo.SetNode(node)
estimate := estimator.Estimate(pods, nodeInfo)
assert.Equal(t, 8, estimate)
}
func updateContainerResources(config *internalConfig, container *kapi.Container) {
resources := container.Resources
memLimit, memFound := resources.Limits[kapi.ResourceMemory]
if memFound && config.memoryRequestToLimitRatio != 0 {
// memory is measured in whole bytes.
// the plugin rounds down to the nearest MiB rather than bytes to improve ease of use for end-users.
amount := memLimit.Value() * int64(config.memoryRequestToLimitRatio*100) / 100
// TODO: move into resource.Quantity
var mod int64
switch memLimit.Format {
case resource.BinarySI:
mod = 1024 * 1024
default:
mod = 1000 * 1000
}
if rem := amount % mod; rem != 0 {
amount = amount - rem
}
q := resource.NewQuantity(int64(amount), memLimit.Format)
if memFloor.Cmp(*q) > 0 {
q = memFloor.Copy()
}
resources.Requests[kapi.ResourceMemory] = *q
}
if memFound && config.limitCPUToMemoryRatio != 0 {
amount := float64(memLimit.Value()) * config.limitCPUToMemoryRatio * cpuBaseScaleFactor
q := resource.NewMilliQuantity(int64(amount), resource.DecimalSI)
if cpuFloor.Cmp(*q) > 0 {
q = cpuFloor.Copy()
}
resources.Limits[kapi.ResourceCPU] = *q
}
cpuLimit, cpuFound := resources.Limits[kapi.ResourceCPU]
if cpuFound && config.cpuRequestToLimitRatio != 0 {
amount := float64(cpuLimit.MilliValue()) * config.cpuRequestToLimitRatio
q := resource.NewMilliQuantity(int64(amount), cpuLimit.Format)
if cpuFloor.Cmp(*q) > 0 {
q = cpuFloor.Copy()
}
resources.Requests[kapi.ResourceCPU] = *q
}
}
func TestEstimateWithPorts(t *testing.T) {
cpuPerPod := int64(500)
memoryPerPod := int64(1000 * 1024 * 1024)
pod := &apiv1.Pod{
Spec: apiv1.PodSpec{
Containers: []apiv1.Container{
{
Resources: apiv1.ResourceRequirements{
Requests: apiv1.ResourceList{
apiv1.ResourceCPU: *resource.NewMilliQuantity(cpuPerPod, resource.DecimalSI),
apiv1.ResourceMemory: *resource.NewQuantity(memoryPerPod, resource.DecimalSI),
},
},
Ports: []apiv1.ContainerPort{
{
HostPort: 5555,
},
},
},
},
},
}
estimator := NewBasicNodeEstimator()
for i := 0; i < 5; i++ {
estimator.Add(pod)
}
node := &apiv1.Node{
Status: apiv1.NodeStatus{
Capacity: apiv1.ResourceList{
apiv1.ResourceCPU: *resource.NewMilliQuantity(3*cpuPerPod, resource.DecimalSI),
apiv1.ResourceMemory: *resource.NewQuantity(2*memoryPerPod, resource.DecimalSI),
apiv1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
},
},
}
estimate, report := estimator.Estimate(node)
assert.Contains(t, estimator.GetDebug(), "CPU")
assert.Contains(t, report, "CPU")
assert.Equal(t, 5, estimate)
}
func CapacityFromMachineInfo(info *cadvisorApi.MachineInfo) v1.ResourceList {
c := v1.ResourceList{
v1.ResourceCPU: *resource.NewMilliQuantity(
int64(info.NumCores*1000),
resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(
int64(info.MemoryCapacity),
resource.BinarySI),
}
return c
}
func (r *Resource) ResourceList() v1.ResourceList {
result := v1.ResourceList{
v1.ResourceCPU: *resource.NewMilliQuantity(r.MilliCPU, resource.DecimalSI),
v1.ResourceMemory: *resource.NewQuantity(r.Memory, resource.BinarySI),
v1.ResourceNvidiaGPU: *resource.NewQuantity(r.NvidiaGPU, resource.DecimalSI),
}
for rName, rQuant := range r.OpaqueIntResources {
result[rName] = *resource.NewQuantity(rQuant, resource.DecimalSI)
}
return result
}
func (kl *Kubelet) setNodeStatusMachineInfo(node *api.Node) {
// TODO: Post NotReady if we cannot get MachineInfo from cAdvisor. This needs to start
// cAdvisor locally, e.g. for test-cmd.sh, and in integration test.
info, err := kl.GetCachedMachineInfo()
if err != nil {
// TODO(roberthbailey): This is required for test-cmd.sh to pass.
// See if the test should be updated instead.
node.Status.Capacity = api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(0, resource.DecimalSI),
api.ResourceMemory: resource.MustParse("0Gi"),
api.ResourcePods: *resource.NewQuantity(int64(kl.maxPods), resource.DecimalSI),
api.ResourceNvidiaGPU: *resource.NewQuantity(int64(kl.nvidiaGPUs), resource.DecimalSI),
}
glog.Errorf("Error getting machine info: %v", err)
} else {
node.Status.NodeInfo.MachineID = info.MachineID
node.Status.NodeInfo.SystemUUID = info.SystemUUID
node.Status.Capacity = cadvisor.CapacityFromMachineInfo(info)
if kl.podsPerCore > 0 {
node.Status.Capacity[api.ResourcePods] = *resource.NewQuantity(
int64(math.Min(float64(info.NumCores*kl.podsPerCore), float64(kl.maxPods))), resource.DecimalSI)
} else {
node.Status.Capacity[api.ResourcePods] = *resource.NewQuantity(
int64(kl.maxPods), resource.DecimalSI)
}
node.Status.Capacity[api.ResourceNvidiaGPU] = *resource.NewQuantity(
int64(kl.nvidiaGPUs), resource.DecimalSI)
if node.Status.NodeInfo.BootID != "" &&
node.Status.NodeInfo.BootID != info.BootID {
// TODO: This requires a transaction, either both node status is updated
// and event is recorded or neither should happen, see issue #6055.
kl.recorder.Eventf(kl.nodeRef, api.EventTypeWarning, events.NodeRebooted,
"Node %s has been rebooted, boot id: %s", kl.nodeName, info.BootID)
}
node.Status.NodeInfo.BootID = info.BootID
}
// Set Allocatable.
node.Status.Allocatable = make(api.ResourceList)
for k, v := range node.Status.Capacity {
value := *(v.Copy())
if kl.reservation.System != nil {
value.Sub(kl.reservation.System[k])
}
if kl.reservation.Kubernetes != nil {
value.Sub(kl.reservation.Kubernetes[k])
}
if value.Sign() < 0 {
// Negative Allocatable resources don't make sense.
value.Set(0)
}
node.Status.Allocatable[k] = value
}
}
func TestEstimate(t *testing.T) {
cpuPerPod := int64(500)
memoryPerPod := int64(1000 * 1024 * 1024)
pod := &kube_api.Pod{
Spec: kube_api.PodSpec{
Containers: []kube_api.Container{
{
Resources: kube_api.ResourceRequirements{
Requests: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(cpuPerPod, resource.DecimalSI),
kube_api.ResourceMemory: *resource.NewQuantity(memoryPerPod, resource.DecimalSI),
},
},
},
},
},
}
estimator := NewBasicNodeEstimator()
for i := 0; i < 5; i++ {
estimator.Add(pod)
}
assert.Equal(t, int64(500*5), estimator.cpuSum.MilliValue())
assert.Equal(t, int64(5*memoryPerPod), estimator.memorySum.Value())
assert.Equal(t, 5, estimator.count)
node := &kube_api.Node{
Status: kube_api.NodeStatus{
Capacity: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(3*cpuPerPod, resource.DecimalSI),
kube_api.ResourceMemory: *resource.NewQuantity(2*memoryPerPod, resource.DecimalSI),
kube_api.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
},
},
}
assert.Equal(t, 3, estimator.Estimate(node))
}
func TestBinpackingEstimate(t *testing.T) {
estimator := NewBinpackingNodeEstimator(simulator.NewTestPredicateChecker())
cpuPerPod := int64(350)
memoryPerPod := int64(1000 * 1024 * 1024)
pod := &apiv1.Pod{
Spec: apiv1.PodSpec{
Containers: []apiv1.Container{
{
Resources: apiv1.ResourceRequirements{
Requests: apiv1.ResourceList{
apiv1.ResourceCPU: *resource.NewMilliQuantity(cpuPerPod, resource.DecimalSI),
apiv1.ResourceMemory: *resource.NewQuantity(memoryPerPod, resource.DecimalSI),
},
},
},
},
},
}
pods := make([]*apiv1.Pod, 0)
for i := 0; i < 10; i++ {
pods = append(pods, pod)
}
node := &apiv1.Node{
Status: apiv1.NodeStatus{
Capacity: apiv1.ResourceList{
apiv1.ResourceCPU: *resource.NewMilliQuantity(cpuPerPod*3-50, resource.DecimalSI),
apiv1.ResourceMemory: *resource.NewQuantity(2*memoryPerPod, resource.DecimalSI),
apiv1.ResourcePods: *resource.NewQuantity(10, resource.DecimalSI),
},
},
}
node.Status.Allocatable = node.Status.Capacity
nodeInfo := schedulercache.NewNodeInfo()
nodeInfo.SetNode(node)
estimate := estimator.Estimate(pods, nodeInfo)
assert.Equal(t, 5, estimate)
}
func testNodeMetricsData() []metrics_api.NodeMetrics {
return []metrics_api.NodeMetrics{
{
ObjectMeta: api.ObjectMeta{Name: "node1", ResourceVersion: "10"},
Window: unversioned.Duration{Duration: time.Minute},
Usage: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(1, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(2*(1024*1024), resource.DecimalSI),
api.ResourceStorage: *resource.NewQuantity(3*(1024*1024), resource.DecimalSI),
},
},
{
ObjectMeta: api.ObjectMeta{Name: "node2", ResourceVersion: "11"},
Window: unversioned.Duration{Duration: time.Minute},
Usage: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(5, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(6*(1024*1024), resource.DecimalSI),
api.ResourceStorage: *resource.NewQuantity(7*(1024*1024), resource.DecimalSI),
},
},
}
}
func (cm *containerManagerImpl) SystemCgroupsLimit() api.ResourceList {
cpuLimit := int64(0)
// Sum up resources of all external containers.
for _, cont := range cm.systemContainers {
cpuLimit += cont.cpuMillicores
}
return api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(
cpuLimit,
resource.DecimalSI),
}
}
func buildNode(name string, cpu int64, mem int64) *kube_api.Node {
return &kube_api.Node{
ObjectMeta: kube_api.ObjectMeta{
Name: name,
},
Status: kube_api.NodeStatus{
Capacity: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(cpu, resource.DecimalSI),
kube_api.ResourceMemory: *resource.NewQuantity(mem, resource.DecimalSI),
kube_api.ResourcePods: *resource.NewQuantity(100, resource.DecimalSI),
},
},
}
}
func ExampleFormat() {
memorySize := resource.NewQuantity(5*1024*1024*1024, resource.BinarySI)
fmt.Printf("memorySize = %v\n", memorySize)
diskSize := resource.NewQuantity(5*1000*1000*1000, resource.DecimalSI)
fmt.Printf("diskSize = %v\n", diskSize)
cores := resource.NewMilliQuantity(5300, resource.DecimalSI)
fmt.Printf("cores = %v\n", cores)
// Output:
// memorySize = 5Gi
// diskSize = 5G
// cores = 5300m
}
func newResourcePod(usage ...resourceRequest) *api.Pod {
containers := []api.Container{}
for _, req := range usage {
containers = append(containers, api.Container{
Resources: api.ResourceRequirements{
Requests: api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(req.milliCPU, resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(req.memory, resource.BinarySI),
},
},
})
}
return &api.Pod{
Spec: api.PodSpec{
Containers: containers,
},
}
}
func ParseResourceList(ms *core.MetricSet) (api.ResourceList, error) {
cpu, found := ms.MetricValues[core.MetricCpuUsageRate.MetricDescriptor.Name]
if !found {
return api.ResourceList{}, fmt.Errorf("cpu not found")
}
mem, found := ms.MetricValues[core.MetricMemoryWorkingSet.MetricDescriptor.Name]
if !found {
return api.ResourceList{}, fmt.Errorf("memory not found")
}
return api.ResourceList{
api.ResourceCPU: *resource.NewMilliQuantity(
cpu.IntValue,
resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(
mem.IntValue,
resource.BinarySI),
}, nil
}
// Instances returns an implementation of Instances for OpenStack.
func (os *OpenStack) Instances() (cloudprovider.Instances, bool) {
glog.V(4).Info("openstack.Instances() called")
compute, err := openstack.NewComputeV2(os.provider, gophercloud.EndpointOpts{
Region: os.region,
})
if err != nil {
glog.Warningf("Failed to find compute endpoint: %v", err)
return nil, false
}
pager := flavors.ListDetail(compute, nil)
flavor_to_resource := make(map[string]*api.NodeResources)
err = pager.EachPage(func(page pagination.Page) (bool, error) {
flavorList, err := flavors.ExtractFlavors(page)
if err != nil {
return false, err
}
for _, flavor := range flavorList {
rsrc := api.NodeResources{
Capacity: api.ResourceList{
api.ResourceCPU: *resource.NewQuantity(int64(flavor.VCPUs), resource.DecimalSI),
api.ResourceMemory: *resource.NewQuantity(int64(flavor.RAM)*MiB, resource.BinarySI),
"openstack.org/disk": *resource.NewQuantity(int64(flavor.Disk)*GB, resource.DecimalSI),
"openstack.org/rxTxFactor": *resource.NewMilliQuantity(int64(flavor.RxTxFactor)*1000, resource.DecimalSI),
"openstack.org/swap": *resource.NewQuantity(int64(flavor.Swap)*MiB, resource.BinarySI),
},
}
flavor_to_resource[flavor.ID] = &rsrc
}
return true, nil
})
if err != nil {
glog.Warningf("Failed to find compute flavors: %v", err)
return nil, false
}
glog.V(3).Infof("Found %v compute flavors", len(flavor_to_resource))
glog.V(1).Info("Claiming to support Instances")
return &Instances{compute, flavor_to_resource}, true
}
func buildPod(name string, cpu int64, mem int64) *kube_api.Pod {
return &kube_api.Pod{
ObjectMeta: kube_api.ObjectMeta{
Namespace: "default",
Name: name,
},
Spec: kube_api.PodSpec{
Containers: []kube_api.Container{
{
Resources: kube_api.ResourceRequirements{
Requests: kube_api.ResourceList{
kube_api.ResourceCPU: *resource.NewMilliQuantity(cpu, resource.DecimalSI),
kube_api.ResourceMemory: *resource.NewQuantity(mem, resource.DecimalSI),
},
},
},
},
},
}
}
// BuildTestNode creates a node with specified capacity.
func BuildTestNode(name string, cpu int64, mem int64) *kube_api.Node {
node := &kube_api.Node{
ObjectMeta: kube_api.ObjectMeta{
Name: name,
},
Status: kube_api.NodeStatus{
Capacity: kube_api.ResourceList{
kube_api.ResourcePods: *resource.NewQuantity(100, resource.DecimalSI),
},
},
}
if cpu >= 0 {
node.Status.Capacity[kube_api.ResourceCPU] = *resource.NewMilliQuantity(cpu, resource.DecimalSI)
}
if mem >= 0 {
node.Status.Capacity[kube_api.ResourceMemory] = *resource.NewQuantity(mem, resource.DecimalSI)
}
node.Status.Allocatable = node.Status.Capacity
return node
}
