HGKeeper

// Convey

// 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"

log "github.com/sirupsen/logrus"

"hg.sr.ht/~grim/convey/environment"

"hg.sr.ht/~grim/convey/runtime"

"hg.sr.ht/~grim/convey/tasks"

"hg.sr.ht/~grim/convey/yaml"

)

// Remove represents a docker rm task which deletes a local docker image.

type Remove struct {

Image string `yaml:"image"`

Images yaml.StringOrSlice `yaml:"images"`

Quiet bool `yaml:"quiet"`

}

// Execute runs the remove task.

func (r *Remove) Execute(name string, logger *log.Entry, env *environment.Environment, rt *runtime.Runtime) error {

fullEnv := env.Copy().Merge(rt.Environment)

images, err := fullEnv.MapSlice(r.Images)

if err != nil {

return err

}

for _, image := range images {

cmdv := []string{"rmi", image}

if _, stderr, err := DockerOutput(name, cmdv, rt); err != nil {

if strings.Contains(stderr, "No such image") && r.Quiet {

continue

}

return err

}

return nil

}

// New creates a new remove task.

func (r *Remove) New() tasks.Task {

return &Remove{}

}

// Valid validates the remove task.

func (r *Remove) Valid() error {

if r.Image != "" {

r.Images = append([]string{r.Image}, r.Images...)

}

if len(r.Images) == 0 {

return errNoImages

}

return nil

}