github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/apply/processor/interface.go (about)

     1  // Copyright © 2021 Alibaba Group Holding Ltd.
     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 processor
    16  
    17  import (
    18  	v2 "github.com/alibaba/sealer/types/api/v2"
    19  )
    20  
    21  type Interface interface {
    22  	// Execute :according to the different of desired cluster to do cluster apply.
    23  	Execute(cluster *v2.Cluster) error
    24  }
    25  
    26  type Processor interface {
    27  	GetPipeLine() ([]func(cluster *v2.Cluster) error, error)
    28  }
    29  
    30  type Executor struct {
    31  	Processor
    32  }
    33  
    34  func NewExecutor(proc Processor) Interface {
    35  	return &Executor{proc}
    36  }
    37  
    38  func (e *Executor) Execute(cluster *v2.Cluster) error {
    39  	pipLine, err := e.GetPipeLine()
    40  	if err != nil {
    41  		return err
    42  	}
    43  
    44  	for _, f := range pipLine {
    45  		if err = f(cluster); err != nil {
    46  			return err
    47  		}
    48  	}
    49  	return nil
    50  }