grim/convey

Update all of the images README.md's for the new task type format

2018-02-18, Gary Kramlich
ad96c0ecad0e
Update all of the images README.md's for the new task type format
// 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 (
"strings"
"github.com/aphistic/gomol"
"bitbucket.org/rw_grim/convey/state"
)
// ParseImage will convert an image like python:3 to it's registry, name, and tag
func ParseImage(image string) (string, string, string) {
registry := ""
name := ""
tag := ""
// split the image into two pieces on the first /
parts := strings.SplitN(image, "/", 2)
if len(parts) == 2 {
if strings.Contains(parts[0], ".") || strings.Contains(parts[0], ":") || parts[0] == "localhost" {
registry = parts[0]
image = parts[1]
}
}
parts = strings.SplitN(image, ":", 2)
name = parts[0]
if len(parts) > 1 {
tag = parts[1]
}
return registry, name, tag
}
// StopContainer will call 'docker stop' on the given container id
func StopContainer(cid string, logger *gomol.LogAdapter, st *state.State) error {
cmdv := []string{"stop", cid}
_, stderr, err := DockerOutput("stop container", cmdv, st)
if err != nil {
return err
}
if stderr != "" {
logger.Warnf("%s", strings.TrimSpace(stderr))
}
return nil
}
// ImageID will return the ID of the given image if it's available locally
func ImageID(tag string, logger *gomol.LogAdapter, st *state.State) (string, error) {
cmdv := []string{"image", "ls", "-q", tag}
stdout, stderr, err := DockerOutput("get image id", cmdv, st)
if err != nil {
logger.Errorf("error: %s", stderr)
return "", err
}
return strings.TrimSpace(stdout), nil
}