1 files changed, 87 insertions, 0 deletions
diff --git a/tests/docker/dockerfiles/debian-bootstrap.pre b/tests/docker/dockerfiles/debian-bootstrap.pre
new file mode 100755
index 0000000000..5d9c8d5ebc
--- /dev/null
+++ b/tests/docker/dockerfiles/debian-bootstrap.pre
@@ -0,0 +1,87 @@
+#!/bin/sh
+#
+# Simple wrapper for debootstrap, run in the docker build context
+#
+FAKEROOT=`which fakeroot 2> /dev/null`
+
+exit_and_skip()
+{
+    exit 3
+}
+
+#
+# fakeroot is needed to run the bootstrap stage
+#
+if [ -z $FAKEROOT ]; then
+    echo "Please install fakeroot to enable bootstraping"
+    exit_and_skip
+fi
+
+# We check in order for
+#
+#  - DEBOOTSTRAP_DIR pointing at a development checkout
+#  - PATH for the debootstrap script (installed)
+#
+# If neither option works then we checkout debootstrap from its
+# upstream SCM and run it from there.
+#
+
+if [ -z $DEBOOTSTRAP_DIR ]; then
+    DEBOOTSTRAP=`which debootstrap 2> /dev/null`
+    if [ -z $DEBOOTSTRAP ]; then
+        echo "No debootstrap installed, attempting to install from SCM"
+        DEBOOTSTRAP_SOURCE=https://anonscm.debian.org/git/d-i/debootstrap.git
+        git clone ${DEBOOTSTRAP_SOURCE} ./debootstrap.git
+        export DEBOOTSTRAP_DIR=./debootstrap.git
+        DEBOOTSTRAP=./debootstrap.git/debootstrap
+    fi
+else
+    DEBOOTSTRAP=${DEBOOTSTRAP_DIR}/debootstrap
+    if [ ! -f $DEBOOTSTRAP ]; then
+        echo "Couldn't find script at ${DEBOOTSTRAP}"
+        exit_and_skip
+    fi
+fi
+
+#
+# Finally check to see if any qemu's are installed
+#
+BINFMT_DIR=/proc/sys/fs/binfmt_misc
+if [ ! -e $BINFMT_DIR ]; then
+   echo "binfmt_misc needs enabling for a QEMU bootstrap to work"
+   exit_and_skip
+else
+    # DEB_ARCH and QEMU arch names are not totally aligned
+    case "${DEB_ARCH}" in
+        amd64)
+            QEMU=qemu-i386
+            ;;
+        armel|armhf)
+            QEMU=qemu-arm
+            ;;
+        arm64)
+            QEMU=qemu-aarch64
+            ;;
+        powerpc)
+            QEMU=qemu-ppc
+            ;;
+        ppc64el)
+            QEMU=qemu-ppc64le
+            ;;
+        s390)
+            QEMU=qemu-s390x
+            ;;
+        *)
+            QEMU=qemu-${DEB_ARCH}
+        ;;
+    esac
+    if [ ! -e "${BINFMT_DIR}/$QEMU" ]; then
+        echo "No binfmt_misc rule to run $QEMU, can't bootstrap"
+        exit_and_skip
+    fi
+fi
+
+echo "Building a rootfs using ${FAKEROOT} and ${DEBOOTSTRAP} ${DEB_ARCH}/${DEB_TYPE}"
+
+${FAKEROOT} ${DEBOOTSTRAP} --variant=buildd --foreign --arch=$DEB_ARCH $DEB_TYPE . http://httpredir.debian.org/debian || exit 1
+exit 0