github.com/projectriff/riff-cli@v0.0.5-0.20180301104501-5db7a3bd9fc1/pkg/initializers/core/dockerfile_generator.go (about)

     1  /*
     2   * Copyright 2018 the original author or authors.
     3   *
     4   *   Licensed under the Apache License, Version 2.0 (the "License");
     5   *   you may not use this file except in compliance with the License.
     6   *   You may obtain a copy of the License at
     7   *
     8   *        http://www.apache.org/licenses/LICENSE-2.0
     9   *
    10   *   Unless required by applicable law or agreed to in writing, software
    11   *   distributed under the License is distributed on an "AS IS" BASIS,
    12   *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13   *   See the License for the specific language governing permissions and
    14   *   limitations under the License.
    15   */
    16  
    17  package core
    18  
    19  import (
    20  	"bytes"
    21  	"text/template"
    22  )
    23  
    24  type DockerFileTokens struct {
    25  	Artifact     string
    26  	ArtifactBase string
    27  	RiffVersion  string
    28  	Handler      string
    29  }
    30  
    31  func GenerateFunctionDockerFileContents(tmpl string, name string, tokens interface{}) (string, error) {
    32  	return generateContents(tmpl, name, tokens)
    33  }
    34  
    35  func GenerateFunctionDockerIgnoreContents(tmpl string, name string, tokens interface{}) (string, error) {
    36  	return generateContents(tmpl, name, tokens)
    37  }
    38  
    39  func generateContents(tmpl string, name string, tokens interface{}) (string, error) {
    40  	t, err := template.New(name).Parse(tmpl)
    41  	if err != nil {
    42  		return "", err
    43  	}
    44  	var buffer bytes.Buffer
    45  	err = t.Execute(&buffer, tokens)
    46  	if err != nil {
    47  		return "", err
    48  	}
    49  	return buffer.String(), nil
    50  }