124 lines
3.5 KiB
Go
124 lines
3.5 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package addons
|
|
|
|
import (
|
|
"os"
|
|
"os/exec"
|
|
"path"
|
|
|
|
"github.com/blang/semver"
|
|
"github.com/golang/glog"
|
|
"github.com/pkg/errors"
|
|
"k8s.io/minikube/pkg/minikube/bootstrapper/bsutil"
|
|
"k8s.io/minikube/pkg/minikube/command"
|
|
"k8s.io/minikube/pkg/minikube/config"
|
|
"k8s.io/minikube/pkg/minikube/constants"
|
|
)
|
|
|
|
var (
|
|
// For testing
|
|
k8sVersion = kubernetesVersion
|
|
)
|
|
|
|
// taken from https://github.com/kubernetes/kubernetes/blob/master/cluster/addons/addon-manager/kube-addons.sh
|
|
var kubectlPruneWhitelist = []string{
|
|
"core/v1/ConfigMap",
|
|
"core/v1/Endpoints",
|
|
"core/v1/Namespace",
|
|
"core/v1/PersistentVolumeClaim",
|
|
"core/v1/PersistentVolume",
|
|
"core/v1/Pod",
|
|
"core/v1/ReplicationController",
|
|
"core/v1/Secret",
|
|
"core/v1/Service",
|
|
"batch/v1/Job",
|
|
"batch/v1beta1/CronJob",
|
|
"apps/v1/DaemonSet",
|
|
"apps/v1/Deployment",
|
|
"apps/v1/ReplicaSet",
|
|
"apps/v1/StatefulSet",
|
|
"extensions/v1beta1/Ingress",
|
|
}
|
|
|
|
// reconcile runs kubectl apply -f on the addons directory
|
|
// to reconcile addons state in all running profiles
|
|
func reconcile(cmd command.Runner, profile string) error {
|
|
c, err := kubectlCommand(profile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if _, err := cmd.RunCmd(c); err != nil {
|
|
glog.Warningf("reconciling addons failed: %v", err)
|
|
return err
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func kubectlCommand(profile string) (*exec.Cmd, error) {
|
|
v, err := k8sVersion(profile)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
kubectlBinary := kubectlBinaryPath(v)
|
|
|
|
// prune will delete any existing objects with the label specified by "-l" which don't appear in /etc/kubernetes/addons
|
|
// this is how we delete disabled addons
|
|
args := []string{"KUBECONFIG=/var/lib/minikube/kubeconfig", kubectlBinary, "apply", "-f", "/etc/kubernetes/addons", "-l", "kubernetes.io/cluster-service!=true,addonmanager.kubernetes.io/mode=Reconcile", "--prune=true"}
|
|
for _, k := range kubectlPruneWhitelist {
|
|
args = append(args, []string{"--prune-whitelist", k}...)
|
|
}
|
|
args = append(args, "--recursive")
|
|
|
|
ok, err := shouldAppendNamespaceFlag(v)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "appending namespace flag")
|
|
}
|
|
if ok {
|
|
args = append(args, "--namespace=kube-system")
|
|
}
|
|
|
|
cmd := exec.Command("sudo", args...)
|
|
return cmd, nil
|
|
}
|
|
|
|
func kubernetesVersion(profile string) (string, error) {
|
|
cc, err := config.Load(profile)
|
|
if err != nil && !os.IsNotExist(err) {
|
|
return "", err
|
|
}
|
|
version := constants.DefaultKubernetesVersion
|
|
if cc != nil {
|
|
version = cc.KubernetesConfig.KubernetesVersion
|
|
}
|
|
return version, nil
|
|
}
|
|
|
|
// We need to append --namespace=kube-system for Kubernetes versions >=1.17
|
|
// so that prune works as expected. See https://github.com/kubernetes/kubernetes/pull/83084/
|
|
func shouldAppendNamespaceFlag(version string) (bool, error) {
|
|
v, err := bsutil.ParseKubernetesVersion(version)
|
|
if err != nil {
|
|
return false, err
|
|
}
|
|
return v.GTE(semver.MustParse("1.17.0")), nil
|
|
}
|
|
|
|
func kubectlBinaryPath(version string) string {
|
|
return path.Join("/var/lib/minikube/binaries", version, "kubectl")
|
|
}
|