grim/convey

Add environment support to login and logout tasks

2017-09-21, Gary Kramlich
df9894c04929
Add environment support to login and logout tasks
/*
* 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 (
"io/ioutil"
"os"
"path/filepath"
"github.com/aphistic/gomol"
"bitbucket.org/rw_grim/convey/environment"
"bitbucket.org/rw_grim/convey/state"
"bitbucket.org/rw_grim/convey/tasks"
"bitbucket.org/rw_grim/convey/yaml"
)
type Build struct {
Dockerfile string `yaml:"dockerfile"`
Files yaml.StringOrSlice `yaml:"files"`
Tag string `yaml:"tag"`
Labels yaml.StringOrSlice `yaml:"labels"`
Arguments yaml.StringOrSlice `yaml:"arguments"`
}
const buildTemplate = `build
-f {{.dockerfile}}
{{if .tag}} -t {{.tag}}{{end}}
{{range .Labels}} --label '{{.}}'{{end}}
{{range .Arguments}} --build-arg {{.}}{{end}}
{{.buildContext}}`
func (b *Build) Execute(name string, logger *gomol.LogAdapter, env []string, st *state.State) error {
fullEnv := environment.Merge(env, st.Environment)
// create out build directory
tmpDir, err := ioutil.TempDir("", "convey-build-")
if err != nil {
return err
}
defer os.RemoveAll(tmpDir)
// grab the dirname of the dockerfile to keep paths correct
base := filepath.Dir(b.Dockerfile)
// export the files to it
for _, src := range b.Files {
src, dest := tasks.ParseFilePath(base, environment.Mapper(src, fullEnv))
cleanDest := filepath.Clean(filepath.Join(tmpDir, dest))
if err = exportFile(name, st.Workspace.Name(), src, cleanDest, st); err != nil {
return err
}
}
// copy the dockerfile to the temp directory
params := map[string]interface{}{
"source": b.Dockerfile,
"destination": tmpDir,
"workspace": st.Workspace.Name(),
}
err = Docker(name, exportTemplate, params, st)
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,
"Labels": environment.SliceMapper(b.Labels, fullEnv),
"Arguments": b.Arguments,
}
return Docker(name, buildTemplate, params, st)
}
func (b *Build) New() tasks.Task {
return &Build{}
}
func (b *Build) Valid() error {
if b.Dockerfile == "" {
return errNoDockerFile
}
if b.Tag == "" {
return errNoTag
}
return nil
}