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fetch and build any GitHub repo

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This commit is contained in:
Jason Hall 2019-05-09 15:48:05 -04:00
parent 6ecb8736d1
commit 4ef0aafc7b
2 changed files with 24 additions and 14 deletions
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26
cmd/buildpack/main.go
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@ -31,10 +31,7 @@ func init() {
projectID = p
}
const (
source = "https://github.com/buildpack/sample-java-app/archive/master.tar.gz"
base = "packs/run:v3alpha2"
)
const base = "packs/run:v3alpha2"
func main() {
ctx := context.Background()
@ -71,9 +68,9 @@ func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
switch {
case path == "": // API Version check.
w.Header().Set("Docker-Distribution-API-Version", "registry/2.0")
case strings.HasPrefix(path, "buildpack/") && strings.Contains(path, "/manifests/"):
case strings.Contains(path, "/manifests/"):
s.serveBuildpackManifest(w, r)
case strings.HasPrefix(path, "buildpack/blobs/") && strings.Contains(path, "/blobs/"):
case strings.Contains(path, "/blobs/"):
pkg.ServeBlob(w, r)
default:
http.Error(w, "not found", http.StatusNotFound)
@ -100,8 +97,20 @@ func (s *server) serveBuildpackManifest(w http.ResponseWriter, r *http.Request)
os.Setenv("HOME", "/home/")
}()
// Determine source repo and revision.
path := strings.TrimPrefix(r.URL.Path, "/v2/ko/")
parts := strings.Split(path, "/")
repo := strings.Join(parts[2:len(parts)-2], "/")
if repo == "" || repo == "buildpack" {
repo = "buildpack/sample-java-app"
}
revision := parts[len(parts)-1]
if revision == "latest" {
revision = "master"
}
// Fetch, detect and build source.
image, err := s.fetchAndBuild(src, layers)
image, err := s.fetchAndBuild(src, layers, repo, revision)
if err != nil {
s.error.Println("ERROR:", err)
http.Error(w, err.Error(), http.StatusInternalServerError)
@ -158,8 +167,9 @@ func (s *server) prepareWorkspace() (string, string, error) {
return src, layers, nil
}
func (s *server) fetchAndBuild(src, layers string) (string, error) {
func (s *server) fetchAndBuild(src, layers, repo, revision string) (string, error) {
image := fmt.Sprintf("gcr.io/%s/built-%d", projectID, time.Now().Unix)
source := fmt.Sprintf("https://github.com/%s/archive/%s.tar.gz", repo, revision)
for _, cmd := range []string{
fmt.Sprintf("chown -R %d:%d %s", os.Geteuid(), os.Getgid(), src),