grim/convey

closing merged branch
expand-list
2017-10-03, Gary Kramlich
345a52ef04c6
closing merged branch
/*
* 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 (
"strings"
"github.com/aphistic/gomol"
"github.com/satori/go.uuid"
"bitbucket.org/rw_grim/convey/logging"
"bitbucket.org/rw_grim/convey/state"
)
type Workspace struct {
name string
volumeName string
mountPoint string
logger *gomol.LogAdapter
state *state.State
}
const (
wsCreateTemplate = `create --name={{.Name}} convey/workspace`
wsDestroyTemplate = `rm -v {{.Name}}`
volumeMountTemplate = `inspect --format "{{.Format}}" {{.Volume}}`
volumeMountFormat = `{{range .Mounts}}{{if eq .Destination \"/workspace\" }}{{.Source}}{{end}}{{end}}`
)
func (ws *Workspace) findMountPoint(st *state.State) error {
params := map[string]interface{}{
"Volume": ws.volumeName,
"Format": volumeMountFormat,
}
stdout, stderr, err := DockerOutput("findMountPoint", volumeMountTemplate, params, st)
if err != nil {
ws.logger.Errorf("%s", stderr)
return err
}
ws.mountPoint = strings.TrimSpace(stdout)
return nil
}
func NewWorkspace(st *state.State) (*Workspace, error) {
ws := &Workspace{
name: uuid.NewV4().String(),
logger: logging.NewAdapter("workspace"),
state: st,
}
params := map[string]interface{}{
"Name": ws.name,
}
out, _, err := DockerOutput("create workspace", wsCreateTemplate, params, st)
if err != nil {
return nil, err
}
ws.volumeName = strings.TrimSpace(out)
err = ws.findMountPoint(st)
if err != nil {
return nil, err
}
ws.logger.Debugf("created workspace: %#v", ws)
return ws, nil
}
func (ws *Workspace) Name() string {
return ws.name
}
func (ws *Workspace) Destroy() error {
params := map[string]interface{}{
"Name": ws.name,
}
return Docker("remove workspace", wsDestroyTemplate, params, ws.state)
}