Make Ironic inspector honour inventory

Ironic inspector should honour the Ansible inventory group
ironic-inspector. Ironic inspector may not be required at all. If
Ironic inspector is required then it should only run on a single
node, and this should be reflected by the inventory.

This change makes a number of Ironic inspector-related tasks dependent
upon the host's membership of the ironic-inspector group. Also, we
couple the ironic-dnsmasq container with the ironic-inspector group
rather than ironic-conductor, as the service is for inspector rather
than Ironic.

Change-Id: Ifd90753b0fe1a55c11b7723c28e1d14ab3d32737
Closes-Bug: #1665257

1 files changed, 5 insertions, 0 deletions

diff --git a/tools/validate-all-file.py b/tools/validate-all-file.py
index b40df3e6f..c1555466e 100755
--- a/tools/validate-all-file.py
+++ b/tools/validate-all-file.py
@@ -74,6 +74,10 @@ def check_json_j2():
     def hostvars():
         return collections.defaultdict(hostvars)
 
+    # Mock Ansible groups variable, which is a dict of lists.
+    def groups():
+        return collections.defaultdict(list)
+
     def validate_json_j2(root, filename):
         env = jinja2.Environment(  # nosec: not used to render HTML
             loader=jinja2.FileSystemLoader(root))
@@ -82,6 +86,7 @@ def check_json_j2():
         # Mock ansible variables.
         context = {
             'hostvars': hostvars(),
+            'groups': groups(),
             'cluster_interface': 'cluster_interface',
             'storage_interface': 'storage_interface',
             'inventory_hostname': 'hostname'