[Bug 1492468] Re: ConfigDrive fails to provision when network interface key is "interfaces"

[Ben Howard]

Simple fix:

--- cloud-init-0.6.3.orig/cloudinit/DataSourceConfigDrive.py
+++ cloud-init-0.6.3/cloudinit/DataSourceConfigDrive.py
@@ -198,8 +198,14 @@
             LOG.debug("Updating network interfaces from config drive (%s)",
                       dsmode)
 
-            util.write_file("/etc/network/interfaces",
-                md['network-interfaces'])
+            # Look at network-interfaces first and then use interfaces
+            # to support OpenNimbula clouds.
+            for iname in ("network-interfaces", "interfaces"):
+                iface_def = md.get(iname, None)
+                if iface_def is not None:
+                    util.write_file("/etc/network/interfaces", iface_def)
+                    break
+
             try:
                 (out, err) = util.subp(['ifup', '--all'])
                 if len(out) or len(err):


** Description changed:

- ConfigDrive fails to provision when network interface key is
- "interfaces"
+ The ConfigDrive datasource fails to provision on OpenNimbula clouds that
+ use "interfaces" rather than "network-interfaces". This is only seen on
+ 12.04.
  
  meta_data.json:
  {
-     "domain": "foobar.com",
-     "files": [
-         []
-     ],
-     "hostname": "utl-precise-0904-88f2e9",
-     "meta": {
-         "dsmode": "net"
-     },
-     "name": "utl-precise-0904-88f2e9",
-     "network_config": {
-         "content_path": "/content/interfaces"
-     },
-     "public_keys": {
-         "177313": "<REDACTED FOR READABILITY>"
-     },
-     "uuid": "9ba148b1-74d2-7f3f-2e8d-68746513d09f"
+     "domain": "foobar.com",
+     "files": [
+         []
+     ],
+     "hostname": "utl-precise-0904-88f2e9",
+     "meta": {
+         "dsmode": "net"
+     },
+     "name": "utl-precise-0904-88f2e9",
+     "network_config": {
+         "content_path": "/content/interfaces"
+     },
+     "public_keys": {
+         "177313": "<REDACTED FOR READABILITY>"
+     },
+     "uuid": "9ba148b1-74d2-7f3f-2e8d-68746513d09f"
  }

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https://bugs.launchpad.net/bugs/1492468

Title:
  ConfigDrive fails to provision when network interface key is
  "interfaces"

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