github.com/jonsyu1/godel@v0.0.0-20171017211503-64567a0cf169/apps/distgo/params/manifest.go (about)

     1  // Copyright 2016 Palantir Technologies, 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 params
    16  
    17  import (
    18  	"strings"
    19  
    20  	"github.com/pkg/errors"
    21  	"gopkg.in/yaml.v2"
    22  )
    23  
    24  type slsManifest struct {
    25  	ManifestVersion string                 `yaml:"manifest-version"`
    26  	ProductGroup    string                 `yaml:"product-group"`
    27  	ProductName     string                 `yaml:"product-name"`
    28  	ProductVersion  string                 `yaml:"product-version"`
    29  	ProductType     string                 `yaml:"product-type,omitempty"`
    30  	Extensions      map[string]interface{} `yaml:"extensions,omitempty"`
    31  }
    32  
    33  func GetManifest(groupID, name, version, productType string, extensions map[string]interface{}) (string, error) {
    34  	var missingRequired []string
    35  	if groupID == "" {
    36  		missingRequired = append(missingRequired, "group-id")
    37  	}
    38  	if name == "" {
    39  		missingRequired = append(missingRequired, "product-name")
    40  	}
    41  	if version == "" {
    42  		missingRequired = append(missingRequired, "product-version")
    43  	}
    44  	if len(missingRequired) > 0 {
    45  		return "", errors.Errorf("required properties were missing: %s", strings.Join(missingRequired, ", "))
    46  	}
    47  
    48  	m := slsManifest{
    49  		ManifestVersion: "1.0",
    50  		ProductGroup:    groupID,
    51  		ProductName:     name,
    52  		ProductVersion:  version,
    53  		Extensions:      extensions,
    54  	}
    55  	if productType != "" {
    56  		m.ProductType = productType
    57  	}
    58  	manifestBytes, err := yaml.Marshal(m)
    59  	if err != nil {
    60  		return "", errors.Wrapf(err, "failed to marshal %v as YAML", m)
    61  	}
    62  	return string(manifestBytes), nil
    63  }