From 3efbbfcd4e22811dd549c6ed46374736308b0b82 Mon Sep 17 00:00:00 2001
From: Florian Klink <flokli@flokli.de>
Date: Fri, 18 Jun 2021 21:08:05 +0200
Subject: feat(ci): don't mount /var/cache/nixery from tmpfs into docker
 container

With https://github.com/google/nixery/pull/127, nixery will use extended
attributes to store metadata (when using local storage).

Right now, our integration test mounts a tmpfs to /var/cache/nixery.
However, *user* xattrs aren't supported with tmpfs [1], so setting
xattrs would fail.

To workaround this, use a folder in the current working directory and
hope it's backed by something supporting user xattrs (which is the case
for GitHub Actions).

[1]: https://man7.org/linux/man-pages/man5/tmpfs.5.html#NOTES
---
 tools/nixery/.gitignore                  |  3 +++
 tools/nixery/scripts/integration-test.sh | 12 ++++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

(limited to 'tools/nixery')

diff --git a/tools/nixery/.gitignore b/tools/nixery/.gitignore
index 4203fee195..578eea3923 100644
--- a/tools/nixery/.gitignore
+++ b/tools/nixery/.gitignore
@@ -7,3 +7,6 @@ debug/
 *.pem
 *.p12
 *.json
+
+# Created by the integration test
+var-cache-nixery
diff --git a/tools/nixery/scripts/integration-test.sh b/tools/nixery/scripts/integration-test.sh
index 9595f37d94..9d06e96ba2 100755
--- a/tools/nixery/scripts/integration-test.sh
+++ b/tools/nixery/scripts/integration-test.sh
@@ -10,9 +10,17 @@ echo "Loaded Nixery image as ${IMG}"
 
 # Run the built nixery docker image in the background, but keep printing its
 # output as it occurs.
-docker run --rm -p 8080:8080 --name nixery \
+# We can't just mount a tmpfs to /var/cache/nixery, as tmpfs doesn't support
+# user xattrs.
+# So create a temporary directory in the current working directory, and hope
+# it's backed by something supporting user xattrs.
+# We'll notice it isn't if nixery starts complaining about not able to set
+# xattrs anyway.
+if [ -d var-cache-nixery ]; then rm -Rf var-cache-nixery; fi
+mkdir var-cache-nixery
+docker run --privileged --rm -p 8080:8080 --name nixery \
   -e PORT=8080 \
-  --mount type=tmpfs,destination=/var/cache/nixery \
+  --mount "type=bind,source=${PWD}/var-cache-nixery,target=/var/cache/nixery" \
   -e NIXERY_CHANNEL=nixos-unstable \
   -e NIXERY_STORAGE_BACKEND=filesystem \
   -e STORAGE_PATH=/var/cache/nixery \
-- 
cgit 1.4.1