github.com/GoogleContainerTools/skaffold@v1.39.18/pkg/skaffold/kubernetes/generator/generate.go (about)

     1  /*
     2  Copyright 2020 The Skaffold 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 generator
    18  
    19  import (
    20  	"bytes"
    21  	"fmt"
    22  	"html/template"
    23  )
    24  
    25  type Container struct {
    26  	Name  string
    27  	Image string
    28  	Port  int
    29  }
    30  
    31  // Generate generates kubernetes resources for the given image, and returns the generated manifest string
    32  func Generate(name string, port int) ([]byte, *Container, error) {
    33  	c := Container{name, name, port}
    34  
    35  	t, err := template.New("deployment").Parse(yamlTemplate)
    36  	if err != nil {
    37  		return nil, nil, fmt.Errorf("error parsing pod template: %w", err)
    38  	}
    39  
    40  	var buf bytes.Buffer
    41  	if err = t.Execute(&buf, c); err != nil {
    42  		return nil, nil, fmt.Errorf("error executing template: %w", err)
    43  	}
    44  
    45  	return buf.Bytes(), &c, nil
    46  }