From 9a5fba234654e19ca2ca6d9ab7419b6810283281 Mon Sep 17 00:00:00 2001
From: Guido Trotter <ultrotter@google.com>
Date: Thu, 16 Jul 2009 14:44:17 +0200
Subject: [PATCH] Add a few more checks to verify config

- Check that the enabled hypervisors list is valid
- Check that the master node is a valid node

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Iustin Pop <iustin@google.com>
---
 lib/config.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lib/config.py b/lib/config.py
index 4f7efacd7..58871d511 100644
--- a/lib/config.py
+++ b/lib/config.py
@@ -273,6 +273,20 @@ class ConfigWriter:
     data = self._config_data
     seen_lids = []
     seen_pids = []
+
+    # global cluster checks
+    if not data.cluster.enabled_hypervisors:
+      result.append("enabled hypervisors list doesn't have any entries")
+    invalid_hvs = set(data.cluster.enabled_hypervisors) - constants.HYPER_TYPES
+    if invalid_hvs:
+      result.append("enabled hypervisors contains invalid entries: %s" %
+                    invalid_hvs)
+
+    if data.cluster.master_node not in data.nodes:
+      result.append("cluster has invalid primary node '%s'" %
+                    data.cluster.master_node)
+
+    # per-instance checks
     for instance_name in data.instances:
       instance = data.instances[instance_name]
       if instance.primary_node not in data.nodes:
-- 
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