grim/convey

closing closed branch again
multiple-images
2018-01-26, Gary Kramlich
8e45b1f8ccff
closing closed branch again
/*
* Convey
* Copyright 2016-2017 Gary Kramlich <grim@reaperworld.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package docker
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/aphistic/gomol"
"bitbucket.org/rw_grim/convey/command"
"bitbucket.org/rw_grim/convey/environment"
"bitbucket.org/rw_grim/convey/options"
"bitbucket.org/rw_grim/convey/tasks"
"bitbucket.org/rw_grim/convey/workspace"
)
type Build struct {
Dockerfile string `yaml:"dockerfile"`
Files []string `yaml:"files"`
Tag string `yaml:"tag"`
}
const buildTemplate = `docker build -f {{.dockerfile}} {{if .tag}}-t {{.tag}}{{end}} {{.buildContext}}`
func (b *Build) Execute(name string, ws *workspace.Workspace, logger *gomol.LogAdapter, env []string, opts *options.Options) error {
fullEnv := environment.Merge(env, opts.Environment)
// create out build directory
tmpDir, err := ioutil.TempDir("", "convey-build-")
if err != nil {
return err
}
defer os.RemoveAll(tmpDir)
// export the files to it
for _, src := range b.Files {
src, dest := tasks.ParseFilePath(environment.Mapper(src, fullEnv))
cleanDest := filepath.Clean(filepath.Join(tmpDir, dest))
if err = exportFile(name, ws.Name, src, cleanDest, opts.TaskTimeout); err != nil {
return err
}
}
// copy the dockerfile to the temp directory
params := map[string]interface{}{
"source": b.Dockerfile,
"destination": tmpDir,
"workspace": ws.Name,
}
err = command.Run(name, exportTemplate, params, opts.TaskTimeout)
if err != nil {
return err
}
// now run the build
params = map[string]interface{}{
"dockerfile": filepath.Join(tmpDir, filepath.Base(b.Dockerfile)),
"tag": environment.Mapper(b.Tag, fullEnv),
"buildContext": tmpDir,
}
return command.Run(name, buildTemplate, params, opts.TaskTimeout)
}
func (b *Build) New() tasks.Task {
return &Build{}
}
func (b *Build) Valid() error {
if b.Dockerfile == "" {
return fmt.Errorf("no dockerfile specified")
}
if b.Tag == "" {
return fmt.Errorf("no tag specified")
}
return nil
}