go/qcow2: implement simple image generator
This is a write-at-once, write-only library for qcow2 images. We will
use it in tests to generate copy-on-write, snapshot-style images
(instead of wasting disk space and iops copying the node image every
time).
Change-Id: I3c8eaeb0c6fa1da44255eb7fc577168d6066d8e3
Reviewed-on: https://review.monogon.dev/c/monogon/+/3092
Tested-by: Jenkins CI
Reviewed-by: Jan Schär <jan@monogon.tech>
diff --git a/go/qcow2/BUILD.bazel b/go/qcow2/BUILD.bazel
new file mode 100644
index 0000000..07afa58
--- /dev/null
+++ b/go/qcow2/BUILD.bazel
@@ -0,0 +1,18 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+ name = "qcow2",
+ srcs = ["qcow2.go"],
+ importpath = "source.monogon.dev/go/qcow2",
+ visibility = ["//visibility:public"],
+)
+
+go_test(
+ name = "qcow2_test",
+ srcs = ["qcow2_test.go"],
+ data = [
+ "@qemu//:qemu-img",
+ ],
+ embed = [":qcow2"],
+ deps = ["@io_bazel_rules_go//go/runfiles:go_default_library"],
+)