github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/controller/configuration/patch_merger.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  	appsv1alpha1 "github.com/1aal/kubeblocks/apis/apps/v1alpha1"
    24  	"github.com/1aal/kubeblocks/pkg/configuration/core"
    25  	intctrlutil "github.com/1aal/kubeblocks/pkg/controllerutil"
    26  )
    27  
    28  func DoMerge(baseData map[string]string, patch map[string]appsv1alpha1.ConfigParams, cc *appsv1alpha1.ConfigConstraint, configSpec appsv1alpha1.ComponentConfigSpec) (map[string]string, error) {
    29  	var (
    30  		updatedFiles  = make(map[string]string, len(patch))
    31  		updatedParams = make([]core.ParamPairs, 0, len(patch))
    32  	)
    33  
    34  	for key, params := range patch {
    35  		if params.Content != nil {
    36  			updatedFiles[key] = *params.Content
    37  		}
    38  		if len(params.Parameters) > 0 {
    39  			updatedParams = append(updatedParams, core.ParamPairs{
    40  				Key:           key,
    41  				UpdatedParams: core.FromStringMap(params.Parameters),
    42  			})
    43  		}
    44  	}
    45  	return mergeUpdatedParams(baseData, updatedFiles, updatedParams, cc, configSpec)
    46  }
    47  
    48  func mergeUpdatedParams(base map[string]string,
    49  	updatedFiles map[string]string,
    50  	updatedParams []core.ParamPairs,
    51  	cc *appsv1alpha1.ConfigConstraint,
    52  	tpl appsv1alpha1.ComponentConfigSpec) (map[string]string, error) {
    53  	updatedConfig := base
    54  
    55  	// merge updated files into configmap
    56  	if len(updatedFiles) != 0 {
    57  		updatedConfig = core.MergeUpdatedConfig(base, updatedFiles)
    58  	}
    59  	if cc == nil {
    60  		return updatedConfig, nil
    61  	}
    62  	return intctrlutil.MergeAndValidateConfigs(cc.Spec, updatedConfig, tpl.Keys, updatedParams)
    63  }