OpenStack Victoria : How to use Heat2020/10/21 |
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How to use the OpenStack Orchestration Service (Heat).
This example is based on the environment like follows.
------------+---------------------------+---------------------------+------------
| | |
eth0|10.0.0.30 eth0|10.0.0.50 eth0|10.0.0.51
+-----------+-----------+ +-----------+-----------+ +-----------+-----------+
| [ Control Node ] | | [ Network Node ] | | [ Compute Node ] |
| | | | | |
| MariaDB RabbitMQ | | L2 Agent | | Libvirt |
| Memcached httpd | | L3 Agent | | Nova Compute |
| Keystone Glance | | Metadata Agent | | L2 Agent |
| Nova API | | Cinder Volume | | |
| Neutron Server | | Heat API | | |
| Metadata Agent | | Heat Engine | | |
| Cinder API | | | | |
+-----------------------+ +-----------------------+ +-----------------------+
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| [1] | Deploy Instances with Heat services and templates. The example below is on the Controle Node. |
heat_template_version: 2018-08-31
description: Heat Sample Template
parameters:
ImageID:
type: string
description: Image used to boot a server
NetID:
type: string
description: Network ID for the server
resources:
server1:
type: OS::Nova::Server
properties:
name: "Heat_Deployed_Server"
image: { get_param: ImageID }
flavor: "m1.small"
networks:
- network: { get_param: NetID }
outputs:
server1_private_ip:
description: IP address of the server in the private network
value: { get_attr: [ server1, first_address ] }
root@dlp ~(keystone)#
openstack image list +--------------------------------------+------------+--------+ | ID | Name | Status | +--------------------------------------+------------+--------+ | 7ba71e53-e270-4d2a-bbe9-0d642a6c019c | Ubuntu2004 | active | +--------------------------------------+------------+--------+root@dlp ~(keystone)# openstack network list +--------------------------------------+---------+--------------------------------------+ | ID | Name | Subnets | +--------------------------------------+---------+--------------------------------------+ | 5d7b1b73-602d-40e2-a82f-352991de37e0 | public | 7aa5fca7-efe4-4a30-b1f0-0653cc743a1c | | 9f39959f-2f70-400c-aa80-5de54e92cf27 | private | e7e82cb2-29c0-4eea-a459-e212a2bc3650 | +--------------------------------------+---------+--------------------------------------+root@dlp ~(keystone)# Int_Net_ID=$(openstack network list | grep private | awk '{ print $2 }')
# create an instance from the template root@dlp ~(keystone)# openstack stack create -t sample-stack.yml --parameter "ImageID=Ubuntu2004;NetID=$Int_Net_ID" Sample-Stack +---------------------+--------------------------------------+ | Field | Value | +---------------------+--------------------------------------+ | id | 78e6d355-1878-4759-89b7-24a28ced3fcc | | stack_name | Sample-Stack | | description | Heat Sample Template | | creation_time | 2020-10-21T05:19:12Z | | updated_time | None | | stack_status | CREATE_IN_PROGRESS | | stack_status_reason | Stack CREATE started | +---------------------+--------------------------------------+ # turn to [CREATE_COMPLETE] after few minutes later like follows root@dlp ~(keystone)# openstack stack list +--------------------------------------+--------------+----------------------------------+-----------------+----------------------+--------------+ | ID | Stack Name | Project | Stack Status | Creation Time | Updated Time | +--------------------------------------+--------------+----------------------------------+-----------------+----------------------+--------------+ | 78e6d355-1878-4759-89b7-24a28ced3fcc | Sample-Stack | b573c9e160864f028fc2d681a929f5af | CREATE_COMPLETE | 2020-10-21T05:19:12Z | None | +--------------------------------------+--------------+----------------------------------+-----------------+----------------------+--------------+ # the instance is running which is created from the Heat template root@dlp ~(keystone)# openstack server list +--------------------------------------+----------------------+--------+-------------------------+------------+----------+ | ID | Name | Status | Networks | Image | Flavor | +--------------------------------------+----------------------+--------+-------------------------+------------+----------+ | 1aca5698-c52c-43ed-9101-664a2d114e96 | Heat_Deployed_Server | ACTIVE | private=192.168.100.244 | Ubuntu2004 | m1.small | +--------------------------------------+----------------------+--------+-------------------------+------------+----------+ # delete the instance root@dlp ~(keystone)# openstack stack delete --yes Sample-Stack root@dlp ~(keystone)# openstack stack list |
| [2] |
The guide for writing templates are opened on the official site below.
⇒ https://docs.openstack.org/heat/latest/template_guide/index.html |
| [3] | If you'd like to use Heat with common users, it needs to change some settings. |
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root@dlp ~(keystone)# openstack role list +----------------------------------+------------------+ | ID | Name | +----------------------------------+------------------+ | 1838ec90094c480bae0979228a321c88 | heat_stack_user | | 5528fea7004044cfbd06ba1c2684af43 | CloudUser | | 624a27603cdf44a78fa802bf59a2ff8c | member | | 7e0d807bb67e4c239349385a85113bef | heat_stack_owner | | 8cd056a250054dddb2a15853e0a7f441 | admin | | f24b4181288a42669c42e24405c92374 | reader | +----------------------------------+------------------+root@dlp ~(keystone)# openstack project list +----------------------------------+-----------+ | ID | Name | +----------------------------------+-----------+ | 37197271a1954ddb90207a95d5f46488 | service | | 6c44eafd4f614985bf74b94f2aee82fb | hiroshima | | b573c9e160864f028fc2d681a929f5af | admin | +----------------------------------+-----------+root@dlp ~(keystone)# openstack user list +----------------------------------+-----------------------------------------------------------------------+ | ID | Name | +----------------------------------+-----------------------------------------------------------------------+ | ddcdc9a445bd45e7bdb71244343e7f78 | admin | | 03d8beaafa3045d58c3417bfec3bcefa | glance | | d605621cc0f44bdcb93864d3347b2300 | nova | | 319fe43139464ecbb178e217253929f1 | placement | | 2eadb99a37544406bc01b71eb7fb1b1c | neutron | | a13cfae0e5eb466fae71a636a6ffb6b4 | serverworld | | fd14a5e3cd654faba1b1e7923d298711 | cinder | | 740a0d7b450c4949a6ea7af78c8f8565 | heat | | 147869d311494a9cb06c3a67f219541e | heat_domain_admin | | 2473f94fed154b5290df73ed4e62763b | barbican | | 42282050760e440392b589d313577658 | gnocchi | | a954b69f9b8345d9a797abbc0a949108 | ceilometer | | 08052d6e306c4ec7986996e31df01729 | magnum | | c9bf3b2582274d47ba6629e157e9cc0b | magnum_domain_admin | | b5c5dee78291406780b4d8fcb1fdfe5b | fc3358a4-1cac-470e-8db1-70b6c64c35c6_b573c9e160864f028fc2d681a929f5af | +----------------------------------+-----------------------------------------------------------------------+ # for example, add [serverworld] user in [hiroshima] project to [heat_stack_owner] role root@dlp ~(keystone)# openstack role add --project hiroshima --user serverworld heat_stack_owner
root@dlp ~(keystone)#
vi /etc/neutron/policy.json # create new # overwrite some settings
{
"create_port:fixed_ips:subnet_id": "",
"create_port:allowed_address_pairs": "",
"create_port:allowed_address_pairs:ip_address": "",
}
root@dlp ~(keystone)# systemctl restart neutron-server
# that's OK, common users can create stacks ubuntu@dlp ~(keystone)$ openstack stack list +--------------------------------------+--------------+-----------------+----------------------+--------------+ | ID | Stack Name | Stack Status | Creation Time | Updated Time | +--------------------------------------+--------------+-----------------+----------------------+--------------+ | 27d0d895-3bdd-4878-b5fa-0457f1db10df | Sample-Stack | CREATE_COMPLETE | 2020-10-24T09:05:11Z | None | +--------------------------------------+--------------+-----------------+----------------------+--------------+ |
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