Add bind-mount for /etc/adjtime to make subhost use host clock without ado

[rrq/overlay-boot.git] / overlay-go

diff --git a/overlay-go b/overlay-go
index dd557d85e1f2dc3c784d1deed92b7a554d436c29..991067d5a453c20bf629d4392097499a10087331 100755 (executable)
--- a/overlay-go
+++ b/overlay-go
@@ -1,8 +1,30 @@
 #!/bin/sh
-set -x
-X="$(pgrep -f ".reaper $1")"
-grep -q "^proc " /proc/$X/mounts || \
-    sudo nsenter -t "$X" -m -p -r -w mount -t proc proc /proc
-ROOT="$(sudo nsenter -t "$X" -m -p -r -w mount | \
-            awk -v S="$1" '$1==S{print $3;exit;}')"
-sudo nsenter -t "$X" -n -m -p -r -w -u -C /bin/bash
+
+[ $(id -u) = 0 ] || exec sudo $0 $@
+. $(dirname $(realpath $0))/functions XXX
+
+NAME="$1"
+
+[ -z "$NAME" ] && echo "Select subhost: $(list_running)" && exit 0
+
+read USPID RSPID <<EOF
+$(is_live $NAME)
+EOF
+
+[ -z "$USPID" ] && echo "$NAME is not running" >&2 && exit 1
+
+if [ -z "$RSPID" ] ; then
+    cat <<EOF >&2
+***  $NAME is started (pid $USPID) but doesn't seem to be running
+*** /.reaper and might need manual fixing.
+EOF
+    exit 1
+fi
+
+sudo nsenter -t "$RSPID" -n -m -p -r -w -i -u -C /bin/bash
+if [ $? = 137 ] ; then
+    echo "######### please 'fg' this again (if stopped)" >&2
+    stty sane # a killed bash might leave the tty insane and stty
+              # typically gets stopped trying to correct it
+fi
+echo "done"