Bind to interface routable to the ironic host, not a random one

Binding to the first interface that has an IP address is error-prone: there is
no guarantee that ironic can reach us via this inteface. It is much safer to
detect the interface facing ironic and bind to it.

Unused LookupAgentInterfaceError exception is deleted.

The TinyIPA build also requires iptables dependency at build time to insert the
required kernel modules.

Closes-Bug: #1558956
Change-Id: I9586805e6c7f52a50834bc03efeb72d1faa6cb65

1 files changed, 0 insertions, 9 deletions

diff --git a/ironic_python_agent/errors.py b/ironic_python_agent/errors.py
index 6fae4585..59ec6400 100644
--- a/ironic_python_agent/errors.py
+++ b/ironic_python_agent/errors.py
@@ -136,15 +136,6 @@ class LookupAgentIPError(IronicAPIError):
         super(LookupAgentIPError, self).__init__(details)
 
 
-class LookupAgentInterfaceError(IronicAPIError):
-    """Error raised when agent interface lookup fails."""
-
-    message = 'Error finding network interface for Ironic Agent'
-
-    def __init__(self, details):
-        super(LookupAgentInterfaceError, self).__init__(details)
-
-
 class ImageDownloadError(RESTError):
     """Error raised when an image cannot be downloaded."""