mirror of
https://github.com/kubesphere/kubekey.git
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125 lines
4.2 KiB
Go
125 lines
4.2 KiB
Go
/*
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Copyright 2020 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package controllers
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import (
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"context"
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"github.com/kubesphere/kubekey/pkg/cluster/etcd"
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"github.com/kubesphere/kubekey/pkg/cluster/kubernetes"
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"github.com/kubesphere/kubekey/pkg/cluster/preinstall"
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"github.com/kubesphere/kubekey/pkg/container-engine/docker"
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"github.com/kubesphere/kubekey/pkg/plugins/network"
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"github.com/kubesphere/kubekey/pkg/util"
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"github.com/kubesphere/kubekey/pkg/util/executor"
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"github.com/kubesphere/kubekey/pkg/util/manager"
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"github.com/pkg/errors"
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kubeErr "k8s.io/apimachinery/pkg/api/errors"
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"github.com/go-logr/logr"
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"k8s.io/apimachinery/pkg/runtime"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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kubekeyv1alpha1 "github.com/kubesphere/kubekey/api/v1alpha1"
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)
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// ClusterReconciler reconciles a Cluster object
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type ClusterReconciler struct {
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client.Client
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Log logr.Logger
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Scheme *runtime.Scheme
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}
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// +kubebuilder:rbac:groups=kubekey.kubesphere.io,resources=clusters,verbs=get;list;watch;create;update;patch;delete
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// +kubebuilder:rbac:groups=kubekey.kubesphere.io,resources=clusters/status,verbs=get;update;patch
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// +kubebuilder:rbac:groups=core,resources=secrets,verbs=get;list;watch;create;update;patch;delete
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func (r *ClusterReconciler) Reconcile(req ctrl.Request) (ctrl.Result, error) {
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ctx := context.Background()
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log := r.Log.WithValues("cluster", req.NamespacedName)
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logger := util.InitLogger(true)
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cluster := &kubekeyv1alpha1.Cluster{}
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newExecutor := executor.NewExecutor(&cluster.Spec, logger, "", true, true, false, false)
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err := r.Get(ctx, req.NamespacedName, cluster)
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if err != nil {
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if kubeErr.IsNotFound(err) {
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log.Info("Cluster resource not found. Ignoring since object must be deleted")
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return ctrl.Result{}, nil
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}
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log.Error(err, "Failed to get Cluster")
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return ctrl.Result{}, err
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}
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if len(cluster.Status.Conditions) == 0 {
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// install
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if err := installTasks(r, ctx, cluster, newExecutor); err != nil {
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return ctrl.Result{}, err
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}
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}
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return ctrl.Result{}, nil
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}
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func (r *ClusterReconciler) SetupWithManager(mgr ctrl.Manager) error {
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return ctrl.NewControllerManagedBy(mgr).
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For(&kubekeyv1alpha1.Cluster{}).
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Complete(r)
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}
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func runTasks(mgr *manager.Manager, tasks []manager.Task) error {
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for _, step := range tasks {
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if err := step.Run(mgr); err != nil {
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return errors.Wrap(err, step.ErrMsg)
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}
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}
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return nil
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}
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var (
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initNodesTasks = []manager.Task{
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{Task: preinstall.DownloadBinaries, ErrMsg: "Failed to download kube binaries"},
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{Task: preinstall.InitOS, ErrMsg: "Failed to init OS"},
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{Task: docker.InstallerDocker, ErrMsg: "Failed to install docker"},
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}
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pullImagesTaks = []manager.Task{
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{Task: preinstall.PrePullImages, ErrMsg: "Failed to pre-pull images"},
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}
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initEtcdClusterTasks = []manager.Task{
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{Task: etcd.GenerateEtcdCerts, ErrMsg: "Failed to generate etcd certs"},
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{Task: etcd.SyncEtcdCertsToMaster, ErrMsg: "Failed to sync etcd certs"},
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{Task: etcd.GenerateEtcdService, ErrMsg: "Failed to create etcd service"},
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{Task: etcd.SetupEtcdCluster, ErrMsg: "Failed to start etcd cluster"},
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{Task: etcd.RefreshEtcdConfig, ErrMsg: "Failed to refresh etcd configuration"},
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{Task: etcd.BackupEtcd, ErrMsg: "Failed to backup etcd data"},
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}
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initControlPlaneTasks = []manager.Task{
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{Task: kubernetes.GetClusterStatus, ErrMsg: "Failed to get cluster status"},
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{Task: kubernetes.InstallKubeBinaries, ErrMsg: "Failed to install kube binaries"},
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{Task: kubernetes.InitKubernetesCluster, ErrMsg: "Failed to init kubernetes cluster"},
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{Task: network.DeployNetworkPlugin, ErrMsg: "Failed to deploy network plugin"},
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}
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joinNodesTasks = []manager.Task{
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{Task: kubernetes.JoinNodesToCluster, ErrMsg: "Failed to join node"},
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}
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)
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