From e5031f7e919e1360ad0d4249609e3e609173ca50 Mon Sep 17 00:00:00 2001
From: Kinara Shah <kinara@rancher.com>
Date: Wed, 5 May 2021 15:44:18 -0700
Subject: [PATCH] (cherry-pick) Fix flaky arm64 emulator issue
 https://github.com/docker/buildx/issues/542

---
 hack/init-buildx.sh | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/hack/init-buildx.sh b/hack/init-buildx.sh
index bac68e1ae1..83b7780507 100755
--- a/hack/init-buildx.sh
+++ b/hack/init-buildx.sh
@@ -50,6 +50,15 @@ if ! grep -q "^Driver: docker$"  <<<"${current_builder}" && \
   exit 0
 fi
 
+# Ensure qemu is in binfmt_misc
+# Docker desktop already has these in versions recent enough to have buildx
+# We only need to do this setup on linux hosts
+if [ "$(uname)" == 'Linux' ]; then
+  # NOTE: this is pinned to a digest for a reason!
+  # https://github.com/docker/buildx/issues/542#issuecomment-778835576
+  docker run --rm --privileged tonistiigi/binfmt --uninstall qemu-aarch64 && docker run --rm --privileged tonistiigi/binfmt --install arm64 
+  docker run --rm --privileged tonistiigi/binfmt
+fi
 
 # Ensure we use a builder that can leverage it (the default on linux will not)
 docker buildx rm ingress-nginx || true