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feat(k8s): review the resource assignement when creating a kubernetes application EE-437 (#5254)

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* feat(nodes limits)Review the resource assignement when creating a Kubernetes application EE-437

* feat(nodes limits) review feedback EE-437

* feat(nodes limits) workaround for lodash cloneDeep not working in production mode EE-437

* feat(nodes limits) calculate max cpu of slide bar with floor function instead of round function EE-437

* feat(nodes limits) another review feedback EE-437

* feat(nodes limits) cleanup code EE-437

* feat(nodes limits) EE-437 pr feedback update

* feat(nodes limits) EE-437 rebase onto develop branch

* feat(nodes limits) EE-437 another pr feedback update

Co-authored-by: Simon Meng <simon.meng@portainer.io>
This commit is contained in:
cong meng
2021-09-01 09:08:01 +12:00
committed by GitHub
parent 0ffbe6a42e
commit c597ae96e2
10 changed files with 453 additions and 42 deletions
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42
api/kubernetes/cli/nodes_limits.go Normal file
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@@ -0,0 +1,42 @@
package cli
import (
portainer "github.com/portainer/portainer/api"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
// GetNodesLimits gets the CPU and Memory limits(unused resources) of all nodes in the current k8s endpoint connection
func (kcl *KubeClient) GetNodesLimits() (portainer.K8sNodesLimits, error) {
nodesLimits := make(portainer.K8sNodesLimits)
nodes, err := kcl.cli.CoreV1().Nodes().List(metav1.ListOptions{})
if err != nil {
return nil, err
}
pods, err := kcl.cli.CoreV1().Pods("").List(metav1.ListOptions{})
if err != nil {
return nil, err
}
for _, item := range nodes.Items {
cpu := item.Status.Allocatable.Cpu().MilliValue()
memory := item.Status.Allocatable.Memory().Value()
nodesLimits[item.ObjectMeta.Name] = &portainer.K8sNodeLimits{
CPU: cpu,
Memory: memory,
}
}
for _, item := range pods.Items {
if nodeLimits, ok := nodesLimits[item.Spec.NodeName]; ok {
for _, container := range item.Spec.Containers {
nodeLimits.CPU -= container.Resources.Requests.Cpu().MilliValue()
nodeLimits.Memory -= container.Resources.Requests.Memory().Value()
}
}
}
return nodesLimits, nil
}