ci: Move bare-metal init script to common directory

Signed-off-by: Daniel Stone <daniels@collabora.com>
Acked-by: Martin Peres <martin.peres@mupuf.org>
Acked-by: Emma Anholt <emma@anholt.net>
Reviewed-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11337>

.gitlab-ci/common/init.sh

@@ -0,0 +1,72 @@
+#!/bin/sh
+
+set -ex
+
+mount -t proc none /proc
+mount -t sysfs none /sys
+mount -t devtmpfs none /dev || echo possibly already mounted
+mkdir -p /dev/pts
+mount -t devpts devpts /dev/pts
+mount -t tmpfs tmpfs /tmp
+
+echo "nameserver 8.8.8.8" > /etc/resolv.conf
+[ -z "$NFS_SERVER_IP" ] || echo "$NFS_SERVER_IP caching-proxy" >> /etc/hosts
+
+# Set the time so we can validate certificates before we fetch anything;
+# however as not all DUTs have network, make this non-fatal.
+for i in 1 2 3; do sntp -sS pool.ntp.org && break || sleep 2; done || true
+
+. /set-job-env-vars.sh
+
+# Set up any devices required by the jobs
+[ -z "$HWCI_KERNEL_MODULES" ] || (echo -n $HWCI_KERNEL_MODULES | xargs -d, -n1 /usr/sbin/modprobe)
+
+# Store Mesa's disk cache under /tmp, rather than sending it out over NFS.
+export XDG_CACHE_HOME=/tmp
+
+# Start a little daemon to capture the first devcoredump we encounter.  (They
+# expire after 5 minutes, so we poll for them).
+./capture-devcoredump.sh &
+
+# If we want Xorg to be running for the test, then we start it up before the
+# BARE_METAL_TEST_SCRIPT because we need to use xinit to start X (otherwise
+# without using -displayfd you can race with Xorg's startup), but xinit will eat
+# your client's return code
+if [ -n "$BM_START_XORG" ]; then
+  echo "touch /xorg-started; sleep 100000" > /xorg-script
+  env \
+    LD_LIBRARY_PATH=/install/lib/ \
+    LIBGL_DRIVERS_PATH=/install/lib/dri/ \
+    xinit /bin/sh /xorg-script -- /usr/bin/Xorg -noreset -s 0 -dpms -logfile /Xorg.0.log &
+
+  # Wait for xorg to be ready for connections.
+  for i in 1 2 3 4 5; do
+    if [ -e /xorg-started ]; then
+      break
+    fi
+    sleep 5
+  done
+  export DISPLAY=:0
+fi
+
+if sh $BARE_METAL_TEST_SCRIPT; then
+  OK=1
+else
+  OK=0
+fi
+
+# upload artifacts via webdav
+WEBDAV=$(cat /proc/cmdline | tr " " "\n" | grep webdav | cut -d '=' -f 2 || true)
+if [ -n "$WEBDAV" ]; then
+  find /results -type f -exec curl -T {} $WEBDAV/{} \;
+fi
+
+if [ $OK -eq 1 ]; then
+    echo "bare-metal result: pass"
+else
+    echo "bare-metal result: fail"
+fi
+
+# Wait until the job would have timed out anyway, so we don't spew a "init
+# exited" panic.
+sleep 6000