github.com/banzaicloud/operator-tools@v0.28.10/pkg/helm/strimap.go (about)

     1  // Copyright © 2020 Banzai Cloud
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //    http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package helm
    16  
    17  type Strimap = map[string]interface{}
    18  
    19  type StrimapBuilder Strimap
    20  
    21  func (s StrimapBuilder) Getin(strs ...string) Strimap {
    22  	if s == nil || len(strs) == 0 {
    23  		return nil
    24  	}
    25  
    26  	submap, ok := s[strs[0]].(Strimap)
    27  	if !ok {
    28  		return nil
    29  	}
    30  
    31  	if len(strs[1:]) > 0 {
    32  		return StrimapBuilder(submap).Getin(strs[1:]...)
    33  	}
    34  	return submap
    35  }
    36  
    37  func MergeMaps(a, b Strimap) Strimap {
    38  	out := make(Strimap, len(a))
    39  	for k, v := range a {
    40  		out[k] = v
    41  	}
    42  	for k, v := range b {
    43  		if v, ok := v.(Strimap); ok {
    44  			if bv, ok := out[k]; ok {
    45  				if bv, ok := bv.(Strimap); ok {
    46  					out[k] = MergeMaps(bv, v)
    47  					continue
    48  				}
    49  			}
    50  		}
    51  		out[k] = v
    52  	}
    53  	return out
    54  }