...and not in pasta's namespace: the fakeroot(1) version shipping
with (at least) Fedora 36 assumes "nested" operation as it sees that
the UID is 0, and claims it's not supported.
Signed-off-by: Stefano Brivio <sbrivio(a)redhat.com>
---
doc/demo.sh | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)
diff --git a/doc/demo.sh b/doc/demo.sh
index f704ed4..ed71ffb 100755
--- a/doc/demo.sh
+++ b/doc/demo.sh
@@ -128,6 +128,19 @@ start_pasta_delayed() {
exit 0
}
+# start_mbuto_delayed() - Run mbuto once, and if, $DEMO_DIR/mbuto.wait is gone
+start_mbuto_delayed() {
+ trap '' EXIT
+ while [ -d "${DEMO_DIR}/mbuto.wait" ]; do sleep 1; done
+ cmd git -C "${DEMO_DIR}" clone git://mbuto.sh/mbuto
+ echo
+ cmd "${DEMO_DIR}/mbuto/mbuto" \
+ -p "$(realpath "${0}")" -f "${DEMO_DIR}/demo.img"
+
+ mkdir "${DEMO_DIR}/mbuto.done"
+ exit 0
+}
+
# into_ns() - Entry point and demo script to run inside new namespace
into_ns() {
echo "We're in the new namespace now."
@@ -204,11 +217,8 @@ into_ns() {
exit 0
fi
- cmd git -C "${DEMO_DIR}" clone git://mbuto.sh/mbuto
- echo
- cmd "${DEMO_DIR}/mbuto/mbuto" \
- -p "$(realpath "${0}")" -f "${DEMO_DIR}/demo.img"
- echo
+ rmdir "${DEMO_DIR}/mbuto.wait"
+ while [ ! -d "${DEMO_DIR}/mbuto.done" ]; do sleep 1; done
echo "The guest image is ready. The next step will start the guest."
echo "Use ^C to terminate it."
next
@@ -229,6 +239,7 @@ trap cleanup EXIT INT
DEMO_DIR="$(mktemp -d)"
mkdir "${DEMO_DIR}/pasta.wait"
+mkdir "${DEMO_DIR}/mbuto.wait"
echo "This script sets up a network and user namespace using pasta(1), then"
echo "starts a virtual machine in it, connected via passt(1), pausing at
every"
@@ -242,6 +253,7 @@ echo "of this script from there."
next
start_pasta_delayed &
+start_mbuto_delayed &
DEMO_DIR="${DEMO_DIR}" cmd unshare -rUn "${0}" into_ns
exit 0
--
2.35.1