From 6cae1d7b4b9e6e03367fdd7da145ab411d6e5492 Mon Sep 17 00:00:00 2001
From: Pau Espin Pedrol <pespin@sysmocom.de>
Date: Thu, 11 Jan 2018 19:15:34 +0100
Subject: contrib/jenkins.sh: Use qemu+proot+debootstrap to run tests with ARM
 instruction set

The following logic doesn't require root access to run the tests, which
means we can easily run it inside jenkins.

Change-Id: Iba3f4de008662805d8ffc46e1f473e407b088fb8
---
 contrib/jenkins.sh | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 53 insertions(+), 3 deletions(-)

(limited to 'contrib/jenkins.sh')

diff --git a/contrib/jenkins.sh b/contrib/jenkins.sh
index f31579e..11def5c 100755
--- a/contrib/jenkins.sh
+++ b/contrib/jenkins.sh
@@ -1,12 +1,62 @@
 #!/bin/sh
 set -ex
 
-osmo-clean-workspace.sh
+substr() { [ -z "${2##*$1*}" ]; }
+
+#apt-get install qemu qemu-user-static qemu-system-arm debootstrap fakeroot proot
+mychroot_nocwd() {
+        # LC_ALL + LANGUAGE set to avoid lots of print errors due to locale not being set inside container
+        # PATH is needed to be able to reach binaries like ldconfig without logging in to root, which adds the paths to PATH.
+        # PROOT_NO_SECCOMP is requried due to proot bug #106
+        LC_ALL=C LANGUAGE=C PATH="$PATH:/usr/sbin:/sbin" PROOT_NO_SECCOMP=1 proot -r "$ROOTFS" -w / -b /proc --root-id -q qemu-arm-static "$@"
+}
+
+mychroot() {
+        mychroot_nocwd -w / "$@"
+}
+
+if [ -z "${INSIDE_CHROOT}" ]; then
+
+        osmo-clean-workspace.sh
+
+        # Only use ARM chroot if host is not ARM and the target is ARM:
+        if ! $(substr "arm" "$(uname -m)") && [ "x${INSTR}" = "x--with-neon" -o "x${INSTR}" = "x--with-neon-vfpv4" ]; then
+
+                OSMOTRX_DIR="$PWD" # we assume we are called as contrib/jenkins.sh
+                ROOTFS_PREFIX="${ROOTFS_PREFIX:-/opt}"
+                ROOTFS="${ROOTFS_PREFIX}/qemu-img"
+                mkdir -p "${ROOTFS_PREFIX}"
+
+                # Prepare chroot:
+                if [ ! -d "$ROOTFS" ]; then
+                        mkdir -p "$ROOTFS"
+                        if [ "x${USE_DEBOOTSTRAP}" = "x1" ]; then
+                                fakeroot qemu-debootstrap --foreign --include="linux-image-armmp-lpae" --arch=armhf stretch "$ROOTFS" http://ftp.de.debian.org/debian/
+                                # Hack to avoid debootstrap trying to mount /proc, as it will fail with "no permissions" and anyway proot takes care of it:
+                                sed -i "s/setup_proc//g" "$ROOTFS/debootstrap/suite-script"
+                                mychroot /debootstrap/debootstrap --second-stage --verbose http://ftp.de.debian.org/debian/
+                        else
+                                wget -nc -q "https://uk.images.linuxcontainers.org/images/debian/stretch/armhf/default/20180114_22:42/rootfs.tar.xz"
+                                tar -xf rootfs.tar.xz -C "$ROOTFS/" || true
+                                echo "nameserver 8.8.8.8" > "$ROOTFS/etc/resolv.conf"
+                        fi
+                        mychroot -b /dev apt-get update
+                        mychroot apt-get -y install build-essential dh-autoreconf pkg-config libuhd-dev libusb-1.0-0-dev libusb-dev git
+                fi
+                # Run jenkins.sh inside the chroot:
+                INSIDE_CHROOT=1 mychroot_nocwd -w /osmo-trx -b "$OSMOTRX_DIR:/osmo-trx" -b "$(which osmo-clean-workspace.sh):/usr/bin/osmo-clean-workspace.sh" ./contrib/jenkins.sh
+                exit 0
+        fi
+fi
+
+### BUILD osmo-trx
 
 autoreconf --install --force
-./configure
+./configure $INSTR
 $MAKE $PARALLEL_MAKE
 $MAKE check \
   || cat-testlogs.sh
 
-osmo-clean-workspace.sh
+if [ -z "x${INSIDE_CHROOT}" ]; then
+        osmo-clean-workspace.sh
+fi
-- 
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