drone/app/gitspace/orchestrator/template/template.go

118 lines
2.5 KiB
Go

// Copyright 2023 Harness, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package template
import (
"bytes"
"embed"
"fmt"
"io/fs"
"path"
"text/template"
"github.com/harness/gitness/types/enum"
)
const (
templatesDir = "templates"
)
var (
//go:embed templates/*
files embed.FS
scriptTemplates map[string]*template.Template
)
type CloneCodePayload struct {
RepoURL string
Image string
Branch string
RepoName string
}
type SetupGitCredentialsPayload struct {
Email string
Name string
Password string
Host string
Protocol string
Path string
}
type RunVSCodeWebPayload struct {
Port string
}
type SetupUserPayload struct {
Username string
AccessKey string
AccessType enum.GitspaceAccessType
HomeDir string
}
type SetupSSHServerPayload struct {
Username string
AccessType enum.GitspaceAccessType
}
type RunSSHServerPayload struct {
Port string
}
func init() {
err := LoadTemplates()
if err != nil {
panic(fmt.Sprintf("error loading script templates: %v", err))
}
}
func LoadTemplates() error {
scriptTemplates = make(map[string]*template.Template)
tmplFiles, err := fs.ReadDir(files, templatesDir)
if err != nil {
return fmt.Errorf("error reading script templates: %w", err)
}
for _, tmpl := range tmplFiles {
if tmpl.IsDir() {
continue
}
textTemplate, parsingErr := template.ParseFS(files, path.Join(templatesDir, tmpl.Name()))
if parsingErr != nil {
return fmt.Errorf("error parsing template %s: %w", tmpl.Name(), parsingErr)
}
scriptTemplates[tmpl.Name()] = textTemplate
}
return nil
}
func GenerateScriptFromTemplate(name string, data interface{}) (string, error) {
if scriptTemplates[name] == nil {
return "", fmt.Errorf("no script template found for %s", name)
}
tmplOutput := bytes.Buffer{}
err := scriptTemplates[name].Execute(&tmplOutput, data)
if err != nil {
return "", fmt.Errorf("error executing template %s with data %+v: %w", name, data, err)
}
return tmplOutput.String(), nil
}