func RequireVersion(r *version.R) {
vs := cmd.Table("docker", "--version")[0][2]
vs = strings.Trim(vs, ",")
v := version.Version(vs)
if !r.IsSatisfiedBy(v) {
cli.Fatalf("got docker version %s; want %s", v, r)
}
}
func Layers(image string) []string {
t := cmd.Table("docker", "history", "--no-trunc", image)
layers := make([]string, len(t))
for i, r := range t {
layers[i] = r[0]
}
return layers
}
func RequireVersion(r *version.R) {
if c := cmd.ExitCode("git", "--version"); c != 0 {
cli.Fatalf("git required")
}
v := version.Version(cmd.Table("git", "--version")[0][2])
if !r.IsSatisfiedBy(v) {
cli.Fatalf("you have git version %s; want %s", v, r.Original)
}
}
func ImageExists(tag string) bool {
rows := cmd.Table("docker", "images")
for _, r := range rows {
comp := r[0] + ":" + r[1]
if comp == tag {
return true
}
}
return false
}
func (s *Sous) LsImages(c *Context) []*docker.Image {
labelFilter := fmt.Sprintf("label=%s.build.package.name=%s", s.Config.DockerLabelPrefix, c.CanonicalPackageName())
results := cmd.Table("docker", "images", "--filter", labelFilter)
// The first line is just table headers
if len(results) < 2 {
return nil
}
results = results[1:]
images := make([]*docker.Image, len(results))
for i, row := range results {
images[i] = docker.NewImage(row[0], row[1])
}
return images
}
func (s *Sous) LsContainers(c *Context) []docker.Container {
labelFilter := fmt.Sprintf("label=%s.build.package.name=%s", s.Config.DockerLabelPrefix, c.CanonicalPackageName())
results := cmd.Table("docker", "ps", "-a", "--filter", labelFilter)
// The first line is just table headers
if len(results) < 2 {
return nil
}
results = results[1:]
containers := make([]docker.Container, len(results))
for i, row := range results {
nameIndex := len(row) - 1
containers[i] = docker.NewContainer(row[0], row[nameIndex])
}
return containers
}
func getOriginURL() *url.URL {
table := cmd.Table("git", "remote", "-v")
if len(table) == 0 {
cli.Fatalf("no git remotes set up")
}
for _, row := range table {
if row[0] == "origin" {
u, err := url.Parse(row[1])
if err != nil {
cli.Fatalf("unable to parse origin (%s) as URL; %s", row[1], err)
}
return u
}
}
return nil
}