fix issue where apt-update was not done unless explicitly set

ChangeLog

@@ -1,3 +1,6 @@
+0.6.2:
+ - fix bug where update was not done unless update was explicitly set.
+   It would not be run if 'upgrade' or packages were set to be installed
 0.6.1:
  - fix bug in fixing permission on /var/log/cloud-init.log (LP: #704509)
  - improve comment strings in rsyslog file tools/21-cloudinit.conf

cloudinit/CloudConfig/cc_apt_update_upgrade.py

@@ -55,8 +55,10 @@ def handle(name,cfg,cloud,log,args):
             log.error("Failed to run debconf-set-selections")
             log.debug(traceback.format_exc())
 
+    pkglist = util.get_cfg_option_list_or_str(cfg,'packages',[])
+
     errors = [ ]
-    if update:
+    if update or len(pkglist) or upgrade:
         try:
             cc.update_package_sources()
         except subprocess.CalledProcessError as e:
@@ -72,7 +74,6 @@ def handle(name,cfg,cloud,log,args):
             log.debug(traceback.format_exc())
             errors.append(e)
 
-    pkglist = util.get_cfg_option_list_or_str(cfg,'packages',[])
     if len(pkglist):
         try:
             cc.install_packages(pkglist)