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rke/addons/addons.go
2021-11-04 16:50:58 +01:00

65 lines
2.1 KiB
Go

package addons
import (
"fmt"
"strconv"
"k8s.io/client-go/transport"
"github.com/blang/semver"
"github.com/rancher/rke/k8s"
"github.com/rancher/rke/templates"
"github.com/sirupsen/logrus"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)
func GetAddonsExecuteJob(addonName, nodeName, image, k8sVersion string) (string, error) {
return getAddonJob(addonName, nodeName, image, k8sVersion, false)
}
func GetAddonsDeleteJob(addonName, nodeName, image, k8sVersion string) (string, error) {
return getAddonJob(addonName, nodeName, image, k8sVersion, true)
}
func getAddonJob(addonName, nodeName, image, k8sVersion string, isDelete bool) (string, error) {
OSLabel := "beta.kubernetes.io/os"
toMatch, err := semver.Make(k8sVersion[1:])
if err != nil {
return "", fmt.Errorf("Cluster version [%s] can not be parsed as semver: %v", k8sVersion, err)
}
logrus.Debugf("Checking addon job OS label for cluster version [%s]", k8sVersion)
// kubernetes.io/os should be used 1.22.0 and up
OSLabelRange, err := semver.ParseRange(">=1.22.0-rancher0")
if err != nil {
return "", fmt.Errorf("Failed to parse semver range for checking OS label for addon job: %v", err)
}
if OSLabelRange(toMatch) {
logrus.Debugf("Cluster version [%s] needs to use new OS label", k8sVersion)
OSLabel = "kubernetes.io/os"
}
jobConfig := map[string]string{
"AddonName": addonName,
"NodeName": nodeName,
"Image": image,
"DeleteJob": strconv.FormatBool(isDelete),
"OSLabel": OSLabel,
}
template, err := templates.CompileTemplateFromMap(templates.AddonJobTemplate, jobConfig)
logrus.Tracef("template for [%s] is: [%s]", addonName, template)
return template, err
}
func AddonJobExists(addonJobName, kubeConfigPath string, k8sWrapTransport transport.WrapperFunc) (bool, error) {
k8sClient, err := k8s.NewClient(kubeConfigPath, k8sWrapTransport)
if err != nil {
return false, err
}
addonJobStatus, err := k8s.GetK8sJobStatus(k8sClient, addonJobName, metav1.NamespaceSystem)
if err != nil {
return false, fmt.Errorf("Failed to get job [%s] status: %v", addonJobName, err)
}
return addonJobStatus.Created, nil
}