github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/controllers/apps/configuration/simple_policy.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package configuration
    21  
    22  import (
    23  	corev1 "k8s.io/api/core/v1"
    24  	"sigs.k8s.io/controller-runtime/pkg/client"
    25  
    26  	appsv1alpha1 "github.com/1aal/kubeblocks/apis/apps/v1alpha1"
    27  	"github.com/1aal/kubeblocks/pkg/configuration/core"
    28  )
    29  
    30  type simplePolicy struct {
    31  }
    32  
    33  func init() {
    34  	RegisterPolicy(appsv1alpha1.NormalPolicy, &simplePolicy{})
    35  }
    36  
    37  func (s *simplePolicy) Upgrade(params reconfigureParams) (ReturnedStatus, error) {
    38  	params.Ctx.Log.V(1).Info("simple policy begin....")
    39  
    40  	var funcs RollingUpgradeFuncs
    41  	switch params.WorkloadType() {
    42  	default:
    43  		return makeReturnedStatus(ESNotSupport), core.MakeError("not supported component workload type:[%s]", params.WorkloadType())
    44  	case appsv1alpha1.Consensus:
    45  		funcs = GetConsensusRollingUpgradeFuncs()
    46  	case appsv1alpha1.Stateful:
    47  		funcs = GetStatefulSetRollingUpgradeFuncs()
    48  	case appsv1alpha1.Replication:
    49  		funcs = GetReplicationRollingUpgradeFuncs()
    50  	case appsv1alpha1.Stateless:
    51  		funcs = GetDeploymentRollingUpgradeFuncs()
    52  	}
    53  	return restartAndCheckComponent(params, funcs, fromWorkloadObjects(params))
    54  }
    55  
    56  func (s *simplePolicy) GetPolicyName() string {
    57  	return string(appsv1alpha1.NormalPolicy)
    58  }
    59  
    60  func restartAndCheckComponent(param reconfigureParams, funcs RollingUpgradeFuncs, objs []client.Object) (ReturnedStatus, error) {
    61  	var (
    62  		newVersion = param.getTargetVersionHash()
    63  		configKey  = param.getConfigKey()
    64  
    65  		retStatus = ESRetry
    66  		progress  = core.NotStarted
    67  	)
    68  
    69  	recordEvent := func(obj client.Object) {
    70  		param.Ctx.Recorder.Eventf(obj,
    71  			corev1.EventTypeNormal, appsv1alpha1.ReasonReconfigureRestart,
    72  			"restarting component[%s] in cluster[%s], version: %s", param.ClusterComponent.Name, param.Cluster.Name, newVersion)
    73  	}
    74  	if obj, err := funcs.RestartComponent(param.Client, param.Ctx, configKey, newVersion, objs, recordEvent); err != nil {
    75  		param.Ctx.Recorder.Eventf(obj,
    76  			corev1.EventTypeWarning, appsv1alpha1.ReasonReconfigureRestartFailed,
    77  			"failed to  restart component[%s] in cluster[%s], version: %s", client.ObjectKeyFromObject(obj), param.Cluster.Name, newVersion)
    78  		return makeReturnedStatus(ESFailedAndRetry), err
    79  	}
    80  
    81  	pods, err := funcs.GetPodsFunc(param)
    82  	if err != nil {
    83  		return makeReturnedStatus(ESFailedAndRetry), err
    84  	}
    85  	if len(pods) != 0 {
    86  		progress = CheckReconfigureUpdateProgress(pods, configKey, newVersion)
    87  	}
    88  	if len(pods) == int(progress) {
    89  		retStatus = ESNone
    90  	}
    91  	return makeReturnedStatus(retStatus, withExpected(int32(len(pods))), withSucceed(progress)), nil
    92  }