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webhook: automatically insert the rdma resource to pod by DRA claim #3670
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Original file line number | Diff line number | Diff line change |
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// Copyright 2024 Authors of spidernet-io | ||
// SPDX-License-Identifier: Apache-2.0 | ||
package utils | ||
|
||
import ( | ||
"context" | ||
"fmt" | ||
"os" | ||
|
||
init_cmd "github.com/spidernet-io/spiderpool/cmd/spiderpool-init/cmd" | ||
"github.com/spidernet-io/spiderpool/pkg/constant" | ||
spiderpoolv2beta1 "github.com/spidernet-io/spiderpool/pkg/k8s/apis/spiderpool.spidernet.io/v2beta1" | ||
corev1 "k8s.io/api/core/v1" | ||
resourcev1alpha2 "k8s.io/api/resource/v1alpha2" | ||
k8s_resource "k8s.io/apimachinery/pkg/api/resource" | ||
apitypes "k8s.io/apimachinery/pkg/types" | ||
"sigs.k8s.io/controller-runtime/pkg/client" | ||
) | ||
|
||
func GetStaticNicsFromSpiderClaimParameter(ctx context.Context, apiReader client.Reader, pod *corev1.Pod) ([]spiderpoolv2beta1.MultusConfig, error) { | ||
for _, rc := range pod.Spec.ResourceClaims { | ||
if rc.Source.ResourceClaimTemplateName != nil { | ||
var rct resourcev1alpha2.ResourceClaimTemplate | ||
if err := apiReader.Get(ctx, apitypes.NamespacedName{Namespace: pod.Namespace, Name: *rc.Source.ResourceClaimTemplateName}, &rct); err != nil { | ||
return nil, err | ||
} | ||
|
||
if rct.Spec.Spec.ResourceClassName == constant.DRADriverName && rct.Spec.Spec.ParametersRef.APIGroup == constant.SpiderpoolAPIGroup && | ||
rct.Spec.Spec.ParametersRef.Kind == constant.KindSpiderClaimParameter { | ||
|
||
var scp spiderpoolv2beta1.SpiderClaimParameter | ||
if err := apiReader.Get(ctx, apitypes.NamespacedName{Namespace: pod.Namespace, Name: pod.Name}, &scp); err != nil { | ||
return nil, fmt.Errorf("failed to get spiderClaimParameter for pod %s/%s: %v", pod.Namespace, pod.Name, err) | ||
} | ||
|
||
var multusConfigs []spiderpoolv2beta1.MultusConfig | ||
if scp.Spec.DefaultNic != nil { | ||
multusConfigs = append(multusConfigs, *scp.Spec.DefaultNic) | ||
} | ||
multusConfigs = append(multusConfigs, scp.Spec.SecondaryNics...) | ||
|
||
return multusConfigs, nil | ||
} | ||
} | ||
} | ||
return []spiderpoolv2beta1.MultusConfig{}, nil | ||
} | ||
|
||
func GetRdmaResourceMapFromStaticNics(ctx context.Context, apiReader client.Reader, staticNics []spiderpoolv2beta1.MultusConfig) (map[string]bool, error) { | ||
resourceMap := make(map[string]bool) | ||
for _, nic := range staticNics { | ||
if nic.Namespace == "" { | ||
nic.Namespace = os.Getenv(init_cmd.ENVNamespace) | ||
} | ||
|
||
var smc spiderpoolv2beta1.SpiderMultusConfig | ||
if err := apiReader.Get(ctx, apitypes.NamespacedName{Namespace: nic.Namespace, Name: nic.MultusName}, &smc); err != nil { | ||
return nil, fmt.Errorf("failed to get spiderClaimParameter: %v", err) | ||
} | ||
|
||
resourceName := resourceName(&smc) | ||
if resourceName == "" { | ||
continue | ||
} | ||
|
||
if _, ok := resourceMap[resourceName]; !ok { | ||
resourceMap[resourceName] = false | ||
} | ||
} | ||
return resourceMap, nil | ||
} | ||
|
||
// resourceName return the resourceName for given spiderMultusConfig | ||
func resourceName(smc *spiderpoolv2beta1.SpiderMultusConfig) string { | ||
switch *smc.Spec.CniType { | ||
case constant.MacvlanCNI: | ||
if smc.Spec.MacvlanConfig != nil && smc.Spec.MacvlanConfig.EnableRdma { | ||
return smc.Spec.MacvlanConfig.RdmaResourceName | ||
} | ||
case constant.IPVlanCNI: | ||
if smc.Spec.IPVlanConfig != nil && smc.Spec.IPVlanConfig.EnableRdma { | ||
return smc.Spec.IPVlanConfig.RdmaResourceName | ||
} | ||
case constant.SriovCNI: | ||
if smc.Spec.SriovConfig != nil { | ||
return smc.Spec.SriovConfig.ResourceName | ||
} | ||
case constant.IBSriovCNI: | ||
if smc.Spec.IbSriovConfig != nil { | ||
return smc.Spec.IbSriovConfig.ResourceName | ||
} | ||
} | ||
return "" | ||
} | ||
|
||
func InjectRdmaResourceToPod(resourceMap map[string]bool, pod *corev1.Pod) { | ||
for _, c := range pod.Spec.Containers { | ||
for resource := range resourceMap { | ||
if resourceMap[resource] { | ||
// the resource has found in pod, skip | ||
continue | ||
} | ||
|
||
// try to find the resource in container resources.requests | ||
if _, ok := c.Resources.Requests[corev1.ResourceName(resource)]; ok { | ||
resourceMap[resource] = true | ||
} else { | ||
if _, ok := c.Resources.Limits[corev1.ResourceName(resource)]; ok { | ||
resourceMap[resource] = true | ||
} | ||
} | ||
} | ||
} | ||
|
||
for resource, found := range resourceMap { | ||
if !found { | ||
// inject the resource to the pod.containers[0].resources.requests | ||
pod.Spec.Containers[0].Resources.Requests[corev1.ResourceName(resource)] = k8s_resource.MustParse("1") | ||
} | ||
} | ||
} |
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这个 不需要 用户判断,由 controller 代码动态 patch
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什么情况下patch