mirror of https://github.com/portainer/portainer
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
package kubernetes
|
|
|
|
import (
|
|
"context"
|
|
"log"
|
|
"time"
|
|
|
|
portainer "github.com/portainer/portainer/api"
|
|
"github.com/portainer/portainer/api/kubernetes/cli"
|
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
|
"k8s.io/client-go/kubernetes"
|
|
)
|
|
|
|
type Snapshotter struct {
|
|
clientFactory *cli.ClientFactory
|
|
}
|
|
|
|
// NewSnapshotter returns a new Snapshotter instance
|
|
func NewSnapshotter(clientFactory *cli.ClientFactory) *Snapshotter {
|
|
return &Snapshotter{
|
|
clientFactory: clientFactory,
|
|
}
|
|
}
|
|
|
|
// CreateSnapshot creates a snapshot of a specific Kubernetes environment(endpoint)
|
|
func (snapshotter *Snapshotter) CreateSnapshot(endpoint *portainer.Endpoint) (*portainer.KubernetesSnapshot, error) {
|
|
client, err := snapshotter.clientFactory.CreateClient(endpoint)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return snapshot(client, endpoint)
|
|
}
|
|
|
|
func snapshot(cli *kubernetes.Clientset, endpoint *portainer.Endpoint) (*portainer.KubernetesSnapshot, error) {
|
|
res := cli.RESTClient().Get().AbsPath("/healthz").Do(context.TODO())
|
|
if res.Error() != nil {
|
|
return nil, res.Error()
|
|
}
|
|
|
|
snapshot := &portainer.KubernetesSnapshot{}
|
|
|
|
err := snapshotVersion(snapshot, cli)
|
|
if err != nil {
|
|
log.Printf("[WARN] [kubernetes,snapshot] [message: unable to snapshot cluster version] [endpoint: %s] [err: %s]", endpoint.Name, err)
|
|
}
|
|
|
|
err = snapshotNodes(snapshot, cli)
|
|
if err != nil {
|
|
log.Printf("[WARN] [kubernetes,snapshot] [message: unable to snapshot cluster nodes] [endpoint: %s] [err: %s]", endpoint.Name, err)
|
|
}
|
|
|
|
snapshot.Time = time.Now().Unix()
|
|
return snapshot, nil
|
|
}
|
|
|
|
func snapshotVersion(snapshot *portainer.KubernetesSnapshot, cli *kubernetes.Clientset) error {
|
|
versionInfo, err := cli.ServerVersion()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
snapshot.KubernetesVersion = versionInfo.GitVersion
|
|
return nil
|
|
}
|
|
|
|
func snapshotNodes(snapshot *portainer.KubernetesSnapshot, cli *kubernetes.Clientset) error {
|
|
nodeList, err := cli.CoreV1().Nodes().List(context.TODO(), metav1.ListOptions{})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
var totalCPUs, totalMemory int64
|
|
for _, node := range nodeList.Items {
|
|
totalCPUs += node.Status.Capacity.Cpu().Value()
|
|
totalMemory += node.Status.Capacity.Memory().Value()
|
|
}
|
|
|
|
snapshot.TotalCPU = totalCPUs
|
|
snapshot.TotalMemory = totalMemory
|
|
snapshot.NodeCount = len(nodeList.Items)
|
|
return nil
|
|
}
|