mirror of
https://github.com/kubenetworks/kubevpn.git
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fed7108eec
* feat: move cmd reset to daemon * feat: move cmd reset to daemon --------- Co-authored-by: wencaiwulue <895703375@qq.com>
91 lines
2.6 KiB
Go
91 lines
2.6 KiB
Go
package handler
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import (
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"context"
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"strings"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/client"
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log "github.com/sirupsen/logrus"
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corev1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"sigs.k8s.io/yaml"
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"github.com/wencaiwulue/kubevpn/v2/pkg/config"
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"github.com/wencaiwulue/kubevpn/v2/pkg/controlplane"
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)
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// Reset
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// 1) quit daemon
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// 2) get all proxy-resources from configmap
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// 3) cleanup all containers
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// 4) cleanup hosts
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func (c *ConnectOptions) Reset(ctx context.Context) error {
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err := c.LeaveProxyResources(ctx)
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if err != nil {
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log.Errorf("leave proxy resources error: %v", err)
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} else {
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log.Infof("leave proxy resources success")
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}
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log.Infof("cleanup k8s resource")
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cleanupK8sResource(ctx, c.clientset, c.Namespace, config.ConfigMapPodTrafficManager, false)
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_ = c.CleanupLocalContainer(ctx)
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return nil
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}
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func (c *ConnectOptions) CleanupLocalContainer(ctx context.Context) error {
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cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
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if err != nil {
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return err
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}
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var networkResource types.NetworkResource
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networkResource, err = cli.NetworkInspect(ctx, config.ConfigMapPodTrafficManager, types.NetworkInspectOptions{})
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if err != nil {
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return err
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}
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if len(networkResource.Containers) == 0 {
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err = cli.NetworkRemove(ctx, config.ConfigMapPodTrafficManager)
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}
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return err
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}
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func (c *ConnectOptions) LeaveProxyResources(ctx context.Context) (err error) {
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if c == nil || c.clientset == nil {
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return
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}
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mapInterface := c.clientset.CoreV1().ConfigMaps(c.Namespace)
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var cm *corev1.ConfigMap
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cm, err = mapInterface.Get(ctx, config.ConfigMapPodTrafficManager, metav1.GetOptions{})
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if err != nil && !apierrors.IsNotFound(err) {
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return
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}
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if cm == nil || cm.Data == nil || len(cm.Data[config.KeyEnvoy]) == 0 {
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log.Infof("no proxy resources found")
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return
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}
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var v = make([]*controlplane.Virtual, 0)
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str := cm.Data[config.KeyEnvoy]
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if err = yaml.Unmarshal([]byte(str), &v); err != nil {
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log.Errorf("unmarshal envoy config error: %v", err)
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return
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}
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localTunIPv4 := c.GetLocalTunIPv4()
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for _, virtual := range v {
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// deployments.apps.ry-server --> deployments.apps/ry-server
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lastIndex := strings.LastIndex(virtual.Uid, ".")
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uid := virtual.Uid[:lastIndex] + "/" + virtual.Uid[lastIndex+1:]
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log.Infof("leave resource: %s", uid)
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err = UnPatchContainer(c.factory, c.clientset.CoreV1().ConfigMaps(c.Namespace), c.Namespace, uid, localTunIPv4)
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if err != nil {
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log.Errorf("unpatch container error: %v", err)
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continue
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}
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log.Infof("leave resource: %s successfully", uid)
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}
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return err
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}
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