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Merge pull request #1818 from jwthomp/feature/image_name_parse 

providers/docker: Support for more complexly named image repos
This commit is contained in:
Mitchell Hashimoto 2015-05-06 09:02:41 -07:00
parent f5ae13c0b4 8e53355ff3
commit d8485ef506
1 changed files with 20 additions and 26 deletions
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46
builtin/providers/docker/resource_docker_image_funcs.go
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@ -3,6 +3,7 @@ package docker
import (
"fmt"
"strings"
"regexp"
dc "github.com/fsouza/go-dockerclient"
"github.com/hashicorp/terraform/helper/schema"
@ -75,35 +76,28 @@ func pullImage(data *Data, client *dc.Client, image string) error {
pullOpts := dc.PullImageOptions{}
splitImageName := strings.Split(image, ":")
switch {
//
// Breaks apart an image string into host:port, repo, and tag components
regex := "^(?:(?P<host>(?:[\\w-]+(?:\\.[\\w-]+)+)(?::[\\d]+)?)/)?(?P<repo>[\\w.-]+(?:/[\\w.-]*)*)*(?::(?P<tag>[\\w.-]*))?"
r, _ := regexp.Compile(regex)
// It's in registry:port/repo:tag format
case len(splitImageName) == 3:
splitPortRepo := strings.Split(splitImageName[1], "/")
pullOpts.Registry = splitImageName[0] + ":" + splitPortRepo[0]
pullOpts.Repository = splitPortRepo[1]
pullOpts.Tag = splitImageName[2]
// Result is in form [[image, host, repo, tag]], so we get the head of the
// outer list to pass the inner list to result
result := r.FindAllStringSubmatch(image, -1)[0]
// It's either registry:port/repo or repo:tag with default registry
case len(splitImageName) == 2:
splitPortRepo := strings.Split(splitImageName[1], "/")
switch len(splitPortRepo) {
// If the host is not an empty string, then the image is using a private registry
if (result[1] != "") {
pullOpts.Registry = result[1]
// The repository for a private registry should take the form of host/repo rather than just repo
pullOpts.Repository = result[1] + "/" + result[2]
} else if (result[2] != "") {
// Local registries, or the main docker registry will have an image named as just 'repo'
pullOpts.Repository = result[2]
}
// registry:port/repo
case 2:
pullOpts.Registry = splitImageName[0] + ":" + splitPortRepo[0]
pullOpts.Repository = splitPortRepo[1]
pullOpts.Tag = "latest"
// repo:tag
case 1:
pullOpts.Repository = splitImageName[0]
pullOpts.Tag = splitImageName[1]
}
default:
pullOpts.Repository = image
// If there was a tag specified, then set it
if (result[3] != "") {
pullOpts.Tag = result[3]
}
if err := client.PullImage(pullOpts, dc.AuthConfiguration{}); err != nil {