Add needs-reboot.py as a common script.

roles/base/files/common-scripts/needs-reboot.py

@@ -0,0 +1,36 @@
+#!/usr/bin/python -tt
+
+import yum
+import sys
+import time
+import fnmatch
+
+result = 0
+now = time.time()
+uptime = float(open('/proc/uptime', 'r').read().split()[0])
+
+rebootcausers = ('glibc', 'kernel*')
+
+my = yum.YumBase()
+my.preconf.init_plugins=False
+my.preconf.debuglevel=1
+my.preconf.errorlevel=1
+pkgs = my.rpmdb.returnPackages(patterns=rebootcausers)
+
+does='no'
+for pkg in pkgs:
+    if (now - pkg.installtime) < uptime:
+        does='yes'
+        break
+
+if len(sys.argv) > 1 and sys.argv[1] == 'after-updates':
+    for (n, a, e, v, r) in my.up.getUpdatesList():
+        for i in rebootcausers:
+            if fnmatch.fnmatch(n, i):
+                does='yes'
+
+
+print does
+sys.exit(0)
+
+