grim/convey

Bump the version for release
v0.14.0-alpha3
2018-02-20, Gary Kramlich
166a6d1979fa
Bump the version for release
// Convey
// Copyright 2016-2018 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 (
"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"
)
// Pull represents a docker pull task which pulls an image from a docker
// registry.
type Pull struct {
Image string `yaml:"image"`
Images yaml.StringOrSlice `yaml:"images"`
}
// Execute runs the pull task.
func (p *Pull) Execute(name string, logger *gomol.LogAdapter, env []string, st *state.State) error {
fullEnv := environment.Merge(env, st.GetEnv())
images, err := st.MapSlice(p.Images, fullEnv)
if err != nil {
return err
}
for _, image := range images {
cmdv := []string{"pull", image}
if err := Docker(name, cmdv, st); err != nil {
return err
}
}
return nil
}
// New creates a new pull task.
func (p *Pull) New() tasks.Task {
return &Pull{}
}
// Valid validates the pull task.
func (p *Pull) Valid() error {
if p.Image != "" {
p.Images = append([]string{p.Image}, p.Images...)
}
if len(p.Images) == 0 {
return errNoImages
}
return nil
}