more resilient errors for bad host declarations in play

should fix #10148
2015-02-03 10:26:48 -05:00 · 2015-02-03 10:26:48 -05:00 · cbbe2f4e26
commit cbbe2f4e26
parent 4198b0a9a5
1 changed files with 5 additions and 1 deletions
--- a/lib/ansible/playbook/play.py
+++ b/lib/ansible/playbook/play.py
@ -128,7 +128,11 @@ class Play(object):
        if hosts is None:
            raise errors.AnsibleError('hosts declaration is required')
        elif isinstance(hosts, list):
-            hosts = ';'.join(hosts)
+            try:
+                hosts = ';'.join(hosts)
+            except TypeError,e:
+                raise errors.AnsibleError('improper host declaration: %s' % str(e))
+
        self.serial           = str(ds.get('serial', 0))
        self.hosts            = hosts
        self.name             = ds.get('name', self.hosts)