Hi Anne,

I had similar questions...
The only resource I found is the python-malangeclient code, which effectively 
provides a cli tool to exercise the API. [1] describes the entities to operate 
on ( the first argument) - each class is a possible entity, with the second 
argument to the cli being one of the methods of the class.
[2] has a list of the global options ( user I'd, tenant I'd etc).
Not great, but a starting point ;)

[1]  
https://github.com/openstack/python-melangeclient/blob/master/melange/client/ipam_client.py
[2] 
https://github.com/openstack/python-melangeclient/blob/master/melange/client/cli.py#L45

On Feb 28, 2012, at 2:50 PM, Anne Gentle <a...@openstack.org> wrote:

> Hi all -
> 
> I'm not sure how people found these melange policy create commands -
> is there a doc plan for Melange commands such as those described here?
> I read through the API doc housed on github but wasn't sure how CLI
> commands are handled.
> 
> Thanks in advance for some clarity,
> 
> Anne
> 
> 
> ---------- Forwarded message ----------
> From: Jason Kölker <jkoel...@rackspace.com>
> Date: Tue, Feb 28, 2012 at 9:31 AM
> Subject: Re: [Openstack] Interaction between nova and melange : ip
> fixed not found
> To: openst...@lists.launchpad.net
> 
> 
> On Tue, 2012-02-28 at 11:52 +0100, Jérôme Gallard wrote:
>> Hi all,
>> 
>> I use the trunk version of Nova, Quantum (with the OVS plugin) and Melange.
>> I created networks, everything seems to be right.
>> 
>> I have two questions :
>> - the first VM I boot takes always a wrong IP address (for instance
>> 172.16.0.0). However, when I boot a second VM, this one takes a good
>> IP (for instance 172.16.0.2). Do you know why this can happened ?
> 
> The default melange policy allows assignment of the network address and
> synthesise a gateway address (if it is not specified). It will not hand
> out the gateway address. The "fix" is to create an ip policy that
> restricts the octect 0. I think the syntax is something like
> 
> `melange policy create -t {tennant} name={block_name}
> desc={policy_name}` (This should return the policy_id for the next
> command)
> 
> `melange unusable_ip_octet create -t {tennant} policy_id={policy_id}
> octect=0`
> 
> `melange ip_block update -t {tennant} id={block_id}
> policy_id={policy_id}`
> 
> 
>> - I have an error regarding an fixed IP not found. Effectively, when I
>> check the nova database, the fixed_ip table is empty but as I am using
>> quantum and melange and their tables seems to be nicely filled. Do you
>> have an idea about this issue ?
>> This is a copy/paste of the error:
>> 2012-02-28 10:45:53 DEBUG nova.rpc.common [-] received
>> {u'_context_roles': [u'admin'], u'_context_request_id':
>> u'req-461788a6-3570-4fa9-8620-6705eb69243c', u│··
>> '_context_read_deleted': u'no', u'args': {u'address': u'172.16.0.2'},
>> u'_context_auth_token': None, u'_context_strategy': u'noauth',
>> u'_context_is_admin': Tr│··
>> ue, u'_context_project_id': None, u'_context_timestamp':
>> u'2012-02-28T09:45:53.484445', u'_context_user_id': None, u'method':
>> u'lease_fixed_ip', u'_context_r│··
>> emote_address': None} from (pid=8844) _safe_log
>> /usr/local/src/nova/nova/rpc/common.py:144 │··
>> 2012-02-28 10:45:53 DEBUG nova.rpc.common
>> [req-461788a6-3570-4fa9-8620-6705eb69243c None None] unpacked context:
>> {'request_id': u'req-461788a6-3570-4fa9-8620│··
>> -6705eb69243c', 'user_id': None, 'roles': [u'admin'], 'timestamp':
>> '2012-02-28T09:45:53.484445', 'is_admin': True, 'auth_token': None,
>> 'project_id': None, 'r│··
>> emote_address': None, 'read_deleted': u'no', 'strategy': u'noauth'}
>> from (pid=8844) unpack_context
>> /usr/local/src/nova/nova/rpc/amqp.py:187 │··
>> 2012-02-28 10:45:53 DEBUG nova.network.manager
>> [req-461788a6-3570-4fa9-8620-6705eb69243c None None] Leased IP
>> |172.16.0.2| from (pid=8844) lease_fixed_ip
>> /us│··r/local/src/nova/nova/network/manager.py:1186 │··
>> 2012-02-28 10:45:53 ERROR nova.rpc.common [-] Exception during message
>> handling │··(nova.rpc.common): TRACE: Traceback (most recent call
>> last): │··
>> (nova.rpc.common): TRACE: File "/usr/local/src/nova/nova/rpc/amqp.py",
>> line 250, in _process_data │··(nova.rpc.common): TRACE: rval =
>> node_func(context=ctxt, **node_args) │··(nova.rpc.common): TRACE: File
>> "/usr/local/src/nova/nova/network/manager.py", line 1187, in
>> lease_fixed_ip │··(nova.rpc.common): TRACE: fixed_ip =
>> self.db.fixed_ip_get_by_address(context, address) │··
>> (nova.rpc.common): TRACE: File "/usr/local/src/nova/nova/db/api.py",
>> line 473, in fixed_ip_get_by_address │··(nova.rpc.common): TRACE:
>> return IMPL.fixed_ip_get_by_address(context, address)
>> │··(nova.rpc.common): TRACE: File
>> "/usr/local/src/nova/nova/db/sqlalchemy/api.py", line 119, in wrapper
>> │··
>> (nova.rpc.common): TRACE: return f(*args, **kwargs)
>> │··(nova.rpc.common): TRACE: File
>> "/usr/local/src/nova/nova/db/sqlalchemy/api.py", line 1131, in
>> fixed_ip_get_by_address │··
>> (nova.rpc.common): TRACE: raise
>> exception.FixedIpNotFoundForAddress(address=address) │··
>> (nova.rpc.common): TRACE: FixedIpNotFoundForAddress: Fixed ip not
>> found for address 172.16.0.2. │··
>> (nova.rpc.common): TRACE:
> 
> You need to create your networks through nova-manage, otherwise the nova
> tables don't get filled in. The next release we are axing the nova
> tables as it was just a crutch to get it "usable".
> 
> Happy Hacking!
> 
> 7-11
> 
> 
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