mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-09-24 16:03:43 +08:00
107 lines
2.5 KiB
Go
107 lines
2.5 KiB
Go
package k8s
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import (
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"fmt"
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"k8s.io/api/core/v1"
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"k8s.io/client-go/kubernetes"
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"yunion.io/x/pkg/util/errors"
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"yunion.io/x/onecloud/pkg/scheduler/cache/candidate"
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"yunion.io/x/onecloud/pkg/scheduler/db/models"
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)
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const (
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// k8s annotations for create pod
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YUNION_CNI_NETWORK_ANNOTATION = "cni.yunion.io/network"
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YUNION_CNI_IPADDR_ANNOTATION = "cni.yunion.io/ip"
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)
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type NetworkPredicate struct {
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network string
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ipAddr string
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}
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func (p *NetworkPredicate) Clone() IPredicate {
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return &NetworkPredicate{}
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}
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func (p *NetworkPredicate) Name() string {
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return "network"
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}
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func (p *NetworkPredicate) PreExecute(cli *kubernetes.Clientset, pod *v1.Pod, node *v1.Node, host *candidate.HostDesc) bool {
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net, netCont := pod.Annotations[YUNION_CNI_NETWORK_ANNOTATION]
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ipAddr, ipCont := pod.Annotations[YUNION_CNI_IPADDR_ANNOTATION]
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p.network = net
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p.ipAddr = ipAddr
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return netCont || ipCont
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}
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func (p *NetworkPredicate) Execute(cli *kubernetes.Clientset, pod *v1.Pod, node *v1.Node, host *candidate.HostDesc) (bool, error) {
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hostNets := host.Networks
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if p.network != "" {
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err := p.checkByNetworks(hostNets)
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if err != nil {
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return false, err
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}
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}
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if p.ipAddr != "" {
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err := p.checkNetworksIP(p.ipAddr, hostNets)
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if err != nil {
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return false, err
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}
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}
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return true, nil
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}
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func (p NetworkPredicate) checkByNetworks(nets []*models.NetworkSchedResult) error {
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if len(nets) == 0 {
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return fmt.Errorf("Network is empty")
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}
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errs := make([]error, 0)
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for _, net := range nets {
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err := p.checkByNetwork(net)
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if err == nil {
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return nil
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}
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errs = append(errs, err)
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}
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return errors.NewAggregate(errs)
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}
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func (p NetworkPredicate) checkByNetwork(net *models.NetworkSchedResult) error {
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if net.Ports <= 0 {
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return fmt.Errorf("Network %s no free IPs", net.Name)
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}
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if !(p.network == net.Name || p.network == net.ID) {
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return fmt.Errorf("Network %s:%s or id not match %s", net.Name, net.ID, p.network)
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}
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return nil
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}
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func (p NetworkPredicate) checkNetworksIP(ip string, nets []*models.NetworkSchedResult) error {
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if len(nets) == 0 {
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return fmt.Errorf("Network is empty")
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}
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errs := make([]error, 0)
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for _, net := range nets {
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err := p.checkNetworkIP(ip, net)
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if err == nil {
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return nil
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}
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errs = append(errs, err)
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}
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return errors.NewAggregate(errs)
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}
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func (p NetworkPredicate) checkNetworkIP(ip string, net *models.NetworkSchedResult) error {
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if ok, err := net.ContainsIp(ip); err != nil {
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return err
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} else if !ok {
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return fmt.Errorf("Network %s not contains ip %s", net.Name, ip)
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}
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return nil
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}
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