github.com/drone/go-convert@v0.0.0-20240307072510-6bd371c65e61/convert/gitlab/yaml/image.go (about)

     1  // Copyright 2022 Harness, Inc.
     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 yaml
    16  
    17  import (
    18  	"errors"
    19  )
    20  
    21  // Image defines a container image.
    22  // https://docs.gitlab.com/ee/ci/yaml/#image
    23  type Image struct {
    24  	Name       string        `yaml:"name,omitempty"`
    25  	Alias      string        `yaml:"alias,omitempty"`
    26  	Entrypoint Stringorslice `yaml:"entrypoint,omitempty"`
    27  	Command    Stringorslice `yaml:"command,omitempty"`
    28  	PullPolicy Stringorslice `yaml:"pull_policy,omitempty"` // single string or array of strings
    29  }
    30  
    31  // UnmarshalYAML implements the unmarshal interface.
    32  func (v *Image) UnmarshalYAML(unmarshal func(interface{}) error) error {
    33  	var out1 string
    34  	var out2 = struct {
    35  		Name       string        `yaml:"name,omitempty"`
    36  		Alias      string        `yaml:"alias,omitempty"`
    37  		Entrypoint Stringorslice `yaml:"entrypoint,omitempty"`
    38  		Command    Stringorslice `yaml:"command,omitempty"`
    39  		PullPolicy Stringorslice `yaml:"pull_policy,omitempty"` // single string or array of strings
    40  	}{}
    41  
    42  	if err := unmarshal(&out1); err == nil {
    43  		v.Name = out1
    44  		return nil
    45  	}
    46  
    47  	if err := unmarshal(&out2); err == nil {
    48  		v.Name = out2.Name
    49  		v.Alias = out2.Alias
    50  		v.Entrypoint = out2.Entrypoint
    51  		v.Command = out2.Command
    52  		v.PullPolicy = out2.PullPolicy
    53  		return nil
    54  	}
    55  
    56  	return errors.New("failed to unmarshal image")
    57  }