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ci(e2e): run distributed e2e on ubuntu-latest

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sm-standard-4 ARC pods reject both loop mounts (ENOENT) and tmpfs
("cannot mount tmpfs read-only"). GitHub-hosted ubuntu-latest is a
VM, the same class that already runs the io_uring loopback and
e2e-s3tests lanes.

Co-authored-by: RustFS <hello@rustfs.com>
This commit is contained in:
Cursor Agent
2026-09-06 03:42:39 +00:00
parent 282d6d5efe
commit 6a892f7d48
2 changed files with 22 additions and 12 deletions
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.github/workflows/e2e-distributed.yml
+21 -11
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@@ -22,11 +22,13 @@
# Upgrade cases download the same pinned previous release as e2e-upgrade.yml.
#
# Isolated pool filesystems: expand/decommission/rebalance cases require
# independent `statfs` capacity. `sm-standard-4` is an ARC pod
# (`scripts/ci/check_runner_ephemerality.sh`) and usually has no
# `/dev/loop-control`, so `mount -o loop` fails with ENOENT ("mount failed:
# No such file or directory"). The prepare step therefore mounts four 1 GiB
# tmpfs instances and exports them as `RUSTFS_E2E_POOL_ROOTS`.
# independent `statfs` capacity. This job runs on GitHub-hosted
# `ubuntu-latest` because the self-hosted `sm-standard-4` ARC pods cannot
# create filesystems: `mount -o loop` fails with ENOENT (no
# `/dev/loop-control`), and `mount -t tmpfs` fails with "cannot mount tmpfs
# read-only" (no `CAP_SYS_ADMIN` in the initial namespace). The same reason
# `uring-integration` and `e2e-s3tests.yml` left that label. The prepare
# step mounts four 1 GiB tmpfs instances and exports `RUSTFS_E2E_POOL_ROOTS`.
name: e2e-distributed
@@ -76,7 +78,9 @@ concurrency:
jobs:
distributed:
name: Distributed 4-node 4-disk e2e
runs-on: sm-standard-4
# GitHub-hosted VM: loop and tmpfs mounts work here. sm-standard-4 is an
# ARC pod and rejects both (`mount -o loop` ENOENT, tmpfs "read-only").
runs-on: ubuntu-latest
timeout-minutes: 180
env:
FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
@@ -97,7 +101,9 @@ jobs:
uses: ./.github/actions/setup
with:
rust-version: stable
cache-shared-key: ci-e2e-distributed
# Dedicated key: ubuntu-latest and sm-standard-4 share runner.os, so
# a shared key would mix VM and ARC pod target/ artifacts.
cache-shared-key: ci-e2e-distributed-hosted
cache-save-if: ${{ github.ref == 'refs/heads/main' }}
install-build-packaging-tools: 'false'
@@ -110,10 +116,14 @@ jobs:
for pool in 0 1 2 3; do
mountpoint="${mount_base}/pool-${pool}"
mkdir -p "${mountpoint}"
# sm-standard-4 is an ARC pod without usable loop devices, so
# `mount -o loop` fails with ENOENT. Sized tmpfs still reports a
# distinct st_dev and independent 1G statfs capacity.
sudo mount -t tmpfs -o size=1G,nosuid,nodev,mode=1777 tmpfs "${mountpoint}"
# Sized tmpfs reports a distinct st_dev and independent 1G
# statfs capacity. Requires a VM runner (ubuntu-latest).
if ! sudo mount -t tmpfs -o size=1G,nosuid,nodev,mode=1777 tmpfs "${mountpoint}"; then
echo "tmpfs mount failed on $(uname -a)" >&2
findmnt || true
grep Cap /proc/self/status || true
exit 1
fi
sudo chmod 1777 "${mountpoint}"
roots+=("${mountpoint}")
done