1 files changed, 33 insertions, 0 deletions
diff --git a/fedoracoreos/internals/fcosinternals.go b/fedoracoreos/internals/fcosinternals.go
new file mode 100644
index 0000000..48b6add
--- /dev/null
+++ b/fedoracoreos/internals/fcosinternals.go
@@ -0,0 +1,33 @@
+// Package internals contains functions for accessing
+// the underlying "releases" and coreos-assembler builds
+// backing streams.  General user code should avoid
+// this package and use streams.
+package internals
+
+import (
+	"fmt"
+	"net/url"
+)
+
+// GetBaseURL returns the base URL
+func GetBaseURL() url.URL {
+	return url.URL{
+		Scheme: "https",
+		Host:   "builds.coreos.fedoraproject.org",
+	}
+}
+
+// GetReleaseIndexURL returns the URL for the release index of a given stream.
+// Avoid this unless you have a specific need to test a specific release.
+func GetReleaseIndexURL(stream string) url.URL {
+	u := GetBaseURL()
+	u.Path = fmt.Sprintf("prod/streams/%s/releases.json", stream)
+	return u
+}
+
+// GetCosaBuild returns the coreos-assembler build URL
+func GetCosaBuild(stream, buildID, arch string) url.URL {
+	u := GetBaseURL()
+	u.Path = fmt.Sprintf("prod/streams/%s/builds/%s/%s/", stream, buildID, arch)
+	return u
+}