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103 lines
2.4 KiB
Go
103 lines
2.4 KiB
Go
package cluster
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import (
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"fmt"
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"time"
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"github.com/rancher/rke/addons"
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"github.com/rancher/rke/k8s"
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"github.com/sirupsen/logrus"
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)
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const (
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KubeDNSAddonResourceName = "rke-kubedns-addon"
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UserAddonResourceName = "rke-user-addon"
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)
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func (c *Cluster) DeployK8sAddOns() error {
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err := c.deployKubeDNS()
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return err
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}
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func (c *Cluster) DeployUserAddOns() error {
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logrus.Infof("[addons] Setting up user addons..")
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if c.Addons == "" {
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logrus.Infof("[addons] No user addons configured..")
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return nil
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}
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if err := c.doAddonDeploy(c.Addons, UserAddonResourceName); err != nil {
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return err
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}
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logrus.Infof("[addons] User addon deployed successfully..")
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return nil
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}
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func (c *Cluster) deployKubeDNS() error {
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logrus.Infof("[addons] Setting up KubeDNS")
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kubeDNSYaml := addons.GetKubeDNSManifest(c.ClusterDNSServer, c.ClusterDomain)
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if err := c.doAddonDeploy(kubeDNSYaml, KubeDNSAddonResourceName); err != nil {
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return err
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}
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logrus.Infof("[addons] KubeDNS deployed successfully..")
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return nil
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}
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func (c *Cluster) doAddonDeploy(addonYaml, resourceName string) error {
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err := c.StoreAddonConfigMap(addonYaml, resourceName)
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if err != nil {
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return fmt.Errorf("Failed to save addon ConfigMap: %v", err)
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}
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logrus.Infof("[addons] Executing deploy job..")
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addonJob := addons.GetAddonsExcuteJob(resourceName, c.ControlPlaneHosts[0].AdvertisedHostname, c.Services.KubeAPI.Image)
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err = c.ApplySystemAddonExcuteJob(addonJob)
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if err != nil {
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return fmt.Errorf("Failed to deploy addon execute job: %v", err)
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}
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return nil
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}
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func (c *Cluster) StoreAddonConfigMap(addonYaml string, addonName string) error {
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logrus.Infof("[addons] Saving addon ConfigMap to Kubernetes")
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kubeClient, err := k8s.NewClient(c.LocalKubeConfigPath)
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if err != nil {
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return err
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}
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timeout := make(chan bool, 1)
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go func() {
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for {
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err := k8s.UpdateConfigMap(kubeClient, []byte(addonYaml), addonName)
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if err != nil {
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time.Sleep(time.Second * 5)
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fmt.Println(err)
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continue
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}
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logrus.Infof("[addons] Successfully Saved addon to Kubernetes ConfigMap: %s", addonName)
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timeout <- true
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break
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}
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}()
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select {
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case <-timeout:
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return nil
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case <-time.After(time.Second * UpdateStateTimeout):
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return fmt.Errorf("[addons] Timeout waiting for kubernetes to be ready")
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}
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}
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func (c *Cluster) ApplySystemAddonExcuteJob(addonJob string) error {
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if err := k8s.ApplyK8sSystemJob(addonJob, c.LocalKubeConfigPath); err != nil {
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fmt.Println(err)
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return err
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}
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return nil
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}
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