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Configurable QoS resources for cluster-manager and klusterlet operato…
…rs and their managed pods Signed-off-by: Dong Beiqing <[email protected]>
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Original file line number | Diff line number | Diff line change |
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# Copyright Contributors to the Open Cluster Management project | ||
apiVersion: apps/v1 | ||
kind: Deployment | ||
metadata: | ||
labels: | ||
a: b | ||
name: fake-deployment | ||
namespace: fake-namespace | ||
spec: | ||
replicas: 1 | ||
selector: | ||
matchLabels: | ||
a: b | ||
template: | ||
metadata: | ||
labels: | ||
a: b | ||
spec: | ||
containers: | ||
- name: my-container | ||
image: nginx | ||
{{- if or (eq .ResourceRequirement.Type "Default") (eq .ResourceRequirement.Type "") }} | ||
resources: | ||
requests: | ||
cpu: 100m | ||
memory: 128Mi | ||
{{- end }} | ||
{{- if eq .ResourceRequirement.Type "BestEffort" }} | ||
resources: {} | ||
{{- end }} | ||
{{- if eq .ResourceRequirement.Type "ResourceRequirement" }} | ||
resources: | ||
{{ .ResourceRequirement.ResourceRequirements | indent 10 }} | ||
{{- end }} |
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Original file line number | Diff line number | Diff line change |
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// Copyright Contributors to the Open Cluster Management project | ||
|
||
package resourcerequirement | ||
|
||
import ( | ||
"fmt" | ||
|
||
"github.com/ghodss/yaml" | ||
corev1 "k8s.io/api/core/v1" | ||
"k8s.io/apimachinery/pkg/api/resource" | ||
operatorv1 "open-cluster-management.io/api/operator/v1" | ||
) | ||
|
||
// ResourceRequirement is for templating resource requirement | ||
type ResourceRequirement struct { | ||
Type string | ||
ResourceRequirements []byte | ||
} | ||
|
||
func NewResourceRequirement(resourceType string, limits, requests map[string]string) (*ResourceRequirement, error) { | ||
if len(limits)+len(requests) == 0 { | ||
if resourceType == string(operatorv1.ResourceQosClassResourceRequirement) { | ||
return nil, fmt.Errorf("resource type is %s but both limits and requests are not set", resourceType) | ||
} | ||
return &ResourceRequirement{ | ||
Type: resourceType, | ||
}, nil | ||
} | ||
if resourceType == "" { | ||
resourceType = string(operatorv1.ResourceQosClassResourceRequirement) | ||
} else if resourceType != string(operatorv1.ResourceQosClassResourceRequirement) { | ||
return nil, fmt.Errorf("resource type must be %s when resource limits or requests are set", string(operatorv1.ResourceQosClassResourceRequirement)) | ||
} | ||
rr := &corev1.ResourceRequirements{ | ||
Limits: corev1.ResourceList{}, | ||
Requests: corev1.ResourceList{}, | ||
} | ||
for rsc, quantityStr := range limits { | ||
quantity, err := resource.ParseQuantity(quantityStr) | ||
if err != nil { | ||
return nil, err | ||
} | ||
rr.Limits[corev1.ResourceName(rsc)] = quantity | ||
} | ||
for rsc, quantityStr := range requests { | ||
quantity, err := resource.ParseQuantity(quantityStr) | ||
if err != nil { | ||
return nil, err | ||
} | ||
rr.Requests[corev1.ResourceName(rsc)] = quantity | ||
} | ||
marshal, err := yaml.Marshal(rr) | ||
if err != nil { | ||
return nil, err | ||
} | ||
return &ResourceRequirement{ | ||
Type: resourceType, | ||
ResourceRequirements: marshal, | ||
}, nil | ||
} |
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