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api, kubectl: move getSinglePodTotalRequestsAndLimits to api.PodRequestsAndLimits

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This commit is contained in:
Sergiusz Urbaniak 2015-11-13 15:21:53 +01:00
parent 2d4757a8df
commit 1a43dcf720
2 changed files with 25 additions and 23 deletions
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23
pkg/api/resource_helpers.go
View File

@ -97,3 +97,26 @@ func IsNodeReady(node *Node) bool {
} }
return false return false
} }
// PodRequestsAndLimits returns a dictionary of all defined resources summed up for all
// containers of the pod.
func PodRequestsAndLimits(pod *Pod) (reqs map[ResourceName]resource.Quantity, limits map[ResourceName]resource.Quantity, err error) {
reqs, limits = map[ResourceName]resource.Quantity{}, map[ResourceName]resource.Quantity{}
for _, container := range pod.Spec.Containers {
for name, quantity := range container.Resources.Requests {
if value, ok := reqs[name]; !ok {
reqs[name] = *quantity.Copy()
} else if err = value.Add(quantity); err != nil {
return nil, nil, err
}
}
for name, quantity := range container.Resources.Limits {
if value, ok := limits[name]; !ok {
limits[name] = *quantity.Copy()
} else if err = value.Add(quantity); err != nil {
return nil, nil, err
}
}
}
return
}

25
pkg/kubectl/describe.go
View File

@ -1415,7 +1415,7 @@ func describeNodeResource(pods []*api.Pod, node *api.Node, out io.Writer) error
fmt.Fprint(out, " Namespace\tName\t\tCPU Requests\tCPU Limits\tMemory Requests\tMemory Limits\n") fmt.Fprint(out, " Namespace\tName\t\tCPU Requests\tCPU Limits\tMemory Requests\tMemory Limits\n")
fmt.Fprint(out, " ─────────\t────\t\t────────────\t──────────\t───────────────\t─────────────\n") fmt.Fprint(out, " ─────────\t────\t\t────────────\t──────────\t───────────────\t─────────────\n")
for _, pod := range nonTerminatedPods { for _, pod := range nonTerminatedPods {
req, limit, err := getSinglePodTotalRequestsAndLimits(pod) req, limit, err := api.PodRequestsAndLimits(pod)
if err != nil { if err != nil {
return err return err
} }
@ -1463,7 +1463,7 @@ func filterTerminatedPods(pods []*api.Pod) []*api.Pod {
func getPodsTotalRequestsAndLimits(pods []*api.Pod) (reqs map[api.ResourceName]resource.Quantity, limits map[api.ResourceName]resource.Quantity, err error) { func getPodsTotalRequestsAndLimits(pods []*api.Pod) (reqs map[api.ResourceName]resource.Quantity, limits map[api.ResourceName]resource.Quantity, err error) {
reqs, limits = map[api.ResourceName]resource.Quantity{}, map[api.ResourceName]resource.Quantity{} reqs, limits = map[api.ResourceName]resource.Quantity{}, map[api.ResourceName]resource.Quantity{}
for _, pod := range pods { for _, pod := range pods {
podReqs, podLimits, err := getSinglePodTotalRequestsAndLimits(pod) podReqs, podLimits, err := api.PodRequestsAndLimits(pod)
if err != nil { if err != nil {
return nil, nil, err return nil, nil, err
} }
@ -1485,27 +1485,6 @@ func getPodsTotalRequestsAndLimits(pods []*api.Pod) (reqs map[api.ResourceName]r
return return
} }
func getSinglePodTotalRequestsAndLimits(pod *api.Pod) (reqs map[api.ResourceName]resource.Quantity, limits map[api.ResourceName]resource.Quantity, err error) {
reqs, limits = map[api.ResourceName]resource.Quantity{}, map[api.ResourceName]resource.Quantity{}
for _, container := range pod.Spec.Containers {
for name, quantity := range container.Resources.Requests {
if value, ok := reqs[name]; !ok {
reqs[name] = *quantity.Copy()
} else if err = value.Add(quantity); err != nil {
return nil, nil, err
}
}
for name, quantity := range container.Resources.Limits {
if value, ok := limits[name]; !ok {
limits[name] = *quantity.Copy()
} else if err = value.Add(quantity); err != nil {
return nil, nil, err
}
}
}
return
}
func DescribeEvents(el *api.EventList, w io.Writer) { func DescribeEvents(el *api.EventList, w io.Writer) {
if len(el.Items) == 0 { if len(el.Items) == 0 {
fmt.Fprint(w, "No events.") fmt.Fprint(w, "No events.")