[Openstack] Heat templates and Quantum resources
Simon Pasquier
pasquier.simon at gmail.com
Tue Feb 5 09:40:47 UTC 2013
Hi all,
I have some questions regarding the integration of Quantum in Heat:
- I haven't found a way to attach an instance resource to a Quantum port
that already exists. Is it possible?
- When I create a Quantum port in my template and binds the instance to
that port, why does Heat still create an additional port to the
tenant-owned network?
I have created a very simple template to test:
{
"AWSTemplateFormatVersion" : "2010-09-09",
"Description" : "Test creation of Quantum resources with a very simple
instance",
"Parameters" : {
"KeyName" : {
"Description" : "Name of an existing EC2 KeyPair to enable SSH access
to the instances",
"Type" : "String"
},
"NetworkUuid" : {
"Description" : "Network UUID",
"Type" : "String"
},
"SubnetUuid" : {
"Description" : "Network UUID",
"Type" : "String"
}
},
"Resources" : {
"QuantumPort": {
"Type": "OS::Quantum::Port",
"Properties": {
"network_id": { "Ref" : "NetworkUuid" },
"device_id": { "Ref": "CirrosInstance" },
"fixed_ips": [{
"subnet_id": { "Ref" : "SubnetUuid" },
"ip_address": "10.0.0.100"
}]
}
},
"DefaultSecurityGroup" : {
"Type" : "AWS::EC2::SecurityGroup",
"Properties" : {
"GroupDescription" : "Enable ICMP plus SSH access",
"SecurityGroupIngress" : [
{"IpProtocol" : "icmp", "FromPort" : "-1", "ToPort" : "-1",
"CidrIp" : "0.0.0.0/0"},
{"IpProtocol" : "tcp", "FromPort" : "22", "ToPort" : "22",
"CidrIp" : "0.0.0.0/0"}
]
}
},
"CirrosInstance": {
"Type": "AWS::EC2::Instance",
"Properties": {
"ImageId" : "cirros-0.3.0-x86_64-uec",
"InstanceType" : "m1.nano",
"KeyName" : { "Ref" : "KeyName" },
"SecurityGroups" : [ {"Ref" : "DefaultSecurityGroup"} ]
}
}
},
"Outputs" : {
"InstanceIPAddress" : {
"Value" : { "Fn::GetAtt" : ["CirrosInstance", "PrivateIp"] },
"Description": "Private IP address of the instance"
}
}
}
For my tests, I use devstack and the Open vSwitch plugin. After the stack
is created, the instance is up and running but it is connected to 2 ports:
$ heat stack-show cirros
+----------------------+-----------------------------------------------------------------------------------------------------------------+
| Property | Value
|
+----------------------+-----------------------------------------------------------------------------------------------------------------+
| capabilities | []
|
| creation_time | 2013-02-05T09:11:39Z
|
| description | Test creation of Quantum resources with a very
simple |
| | instance
|
| disable_rollback | True
|
| id | 8c161ed2-691e-42e8-a872-e90f26a83ac5
|
| links |
http://192.168.1.94:8004/v1/bc7d29521a444d59b1d68f1e0a81ce90/stacks/cirros/8c161ed2-691e-42e8-a872-e90f26a83ac5|
| notification_topics | []
|
| outputs | [
|
| | {
|
| | "output_value": "10.0.0.3",
|
| | "description": "Private IP address of the
instance", |
| | "output_key": "InstanceIPAddress"
|
| | }
|
| | ]
|
| parameters | {
|
| | "NetworkUuid":
"e5b6584f-9ca8-4219-b2d4-1a2f56a502fe",
|
| | "SubnetUuid":
"1aa32a3e-ec28-44aa-867c-fcb4f774fa43",
|
| | "AWS::StackName": "cirros",
|
| | "KeyName": "test",
|
| | "AWS::Region": "ap-southeast-1"
|
| | }
|
| stack_name | cirros
|
| stack_status | CREATE_COMPLETE
|
| stack_status_reason | Stack successfully created
|
| template_description | Test creation of Quantum resources with a very
simple |
| | instance
|
| timeout_mins | 60
|
| updated_time | 2013-02-05T09:12:02Z
|
+----------------------+-----------------------------------------------------------------------------------------------------------------+
$ nova show cirros.CirrosInstance
+-------------------------------------+----------------------------------------------------------------+
| Property | Value
|
+-------------------------------------+----------------------------------------------------------------+
| OS-DCF:diskConfig | MANUAL
|
| OS-EXT-SRV-ATTR:host | controller
|
| OS-EXT-SRV-ATTR:hypervisor_hostname | controller
|
| OS-EXT-SRV-ATTR:instance_name | instance-00000015
|
| OS-EXT-STS:power_state | 1
|
| OS-EXT-STS:task_state | None
|
| OS-EXT-STS:vm_state | active
|
| accessIPv4 |
|
| accessIPv6 |
|
| config_drive |
|
| created | 2013-02-05T09:11:43Z
|
| flavor | m1.nano (42)
|
| hostId |
495aafe7667bb70bb90e80cbfff9921d2929d909bef01bb93189b631 |
| id |
46f1542b-3c4c-4849-bf05-488aba266e06 |
| image | cirros-0.3.0-x86_64-uec
(3fecb845-3833-4731-beb6-cee4b6aca969) |
| key_name | test
|
| metadata | {}
|
| name | cirros.CirrosInstance
|
| private network | 10.0.0.3, 10.0.0.100
|
| progress | 0
|
| security_groups | [{u'name':
u'cirros.DefaultSecurityGroup'}] |
| status | ACTIVE
|
| tenant_id | bc7d29521a444d59b1d68f1e0a81ce90
|
| updated | 2013-02-05T09:12:00Z
|
| user_id | b8827fae4f7c4a0194b77ea3784d25d7
|
+-------------------------------------+----------------------------------------------------------------+
And the port created by the heat template is in DOWN state:
$ quantum port-show e22bda12-e062-4c13-ad99-85f0ea994e9e
+----------------------+-----------------------------------------------------------------------------------+
| Field | Value
|
+----------------------+-----------------------------------------------------------------------------------+
| admin_state_up | True
|
| binding:capabilities | {"port_filter": false}
|
| binding:vif_type | ovs
|
| device_id | 46f1542b-3c4c-4849-bf05-488aba266e06
|
| device_owner |
|
| fixed_ips | {"subnet_id":
"1aa32a3e-ec28-44aa-867c-fcb4f774fa43", "ip_address": "10.0.0.100"} |
| id | e22bda12-e062-4c13-ad99-85f0ea994e9e
|
| mac_address | fa:16:3e:04:8a:56
|
| name | QuantumPort
|
| network_id | e5b6584f-9ca8-4219-b2d4-1a2f56a502fe
|
| status | DOWN
|
| tenant_id | bc7d29521a444d59b1d68f1e0a81ce90
|
+----------------------+-----------------------------------------------------------------------------------+
Thanks in advance for the answers,
Simon
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