Add base file /root/scripts/functions. setup_samba.sh now properly

waits for a completely healthy cluster.  chroot jail generation goes
after winbind start.  We also no longer try to fix the jail - assume a
working cnjailgen is hacked in via some other process.

Signed-off-by: Martin Schwenke <martin@meltin.net>

1 files changed, 33 insertions, 0 deletions

diff --git a/base/root/scripts/functions b/base/root/scripts/functions
new file mode 100644
index 0000000..be320fe
--- /dev/null
+++ b/base/root/scripts/functions
@@ -0,0 +1,33 @@
+# Hey Emacs, this is a -*- shell-script -*-  In fact, it is bash! :-)
+
+cluster_is_healthy ()
+{(
+	set -o pipefail
+	{ ctdb -Y status || return 1 ; } |
+	{
+            read x
+	    count=0
+            while read line ; do
+		count=$(($count + 1))
+		[ "${line#:*:*:}" != "0:0:0:0:" ] && cat >/dev/null && return 1
+            done
+	    [ $count -gt 0 ] && return $?
+	}
+)}
+
+wait_until_healthy ()
+{
+    local timeout="${1:-120}"
+
+    while [ $timeout -gt 0 ] ; do
+	if cluster_is_healthy ; then
+	    echo .
+	    return 0
+	fi
+	echo -n .
+	timeout=$(($timeout - 1))
+	sleep 1
+    done
+
+    return 1
+}