Ubuntu 22.04
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OpenStack Yoga : How to use Heat2022/05/04

 
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
+-----------+-----------+     +-----------+-----------+     +-----------+-----------+
|   [ dlp.srv.world ]   |     | [ network.srv.world ] |     |  [ node01.srv.world ] |
|     (Control Node)    |     |     (Network Node)    |     |     (Compute Node)    |
|                       |     |                       |     |                       |
|  MariaDB    RabbitMQ  |     |      Open vSwitch     |     |        Libvirt        |
|  Memcached  httpd     |     |     Neutron Server    |     |      Nova Compute     |
|  Keystone   Glance    |     |      OVN-Northd       |     |      Open vSwitch     |
|  Nova API  Cinder API |     |     Cinder Volume     |     |   OVN Metadata Agent  |
|                       |     |    Heat API/Engine    |     |     OVN-Controller    |
+-----------------------+     +-----------------------+     +-----------------------+

[1] Deploy Instances with Heat services and templates. The example below is on the Control Node.
root@dlp ~(keystone)#
apt -y install python3-heatclient
# create a template for tests

root@dlp ~(keystone)#
vi sample-stack.yml
heat_template_version: 2021-04-16

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 |
+--------------------------------------+------------+--------+
| 70f856cc-6f3a-4cc3-b576-53f829a6d714 | Ubuntu2204 | active |
+--------------------------------------+------------+--------+

root@dlp ~(keystone)#
openstack network list

+--------------------------------------+---------+--------------------------------------+
| ID                                   | Name    | Subnets                              |
+--------------------------------------+---------+--------------------------------------+
| 2d24c223-3059-4143-baea-c8dea27232b5 | private | a602f687-a0d5-4d8d-ba1f-51e7c87a606b |
| ad1337fe-7b67-4e87-b4c4-9480bd60df8e | public  | f7fb2250-794e-4b55-af48-29816ed2a9ea |
+--------------------------------------+---------+--------------------------------------+

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=Ubuntu2204;NetID=$Int_Net_ID" Sample-Stack

+---------------------+--------------------------------------+
| Field               | Value                                |
+---------------------+--------------------------------------+
| id                  | 0239fa43-29c3-4099-9190-5e7011569198 |
| stack_name          | Sample-Stack                         |
| description         | Heat Sample Template                 |
| creation_time       | 2022-05-03T23:03:31Z                 |
| 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 |
+--------------------------------------+--------------+----------------------------------+-----------------+----------------------+--------------+
| 0239fa43-29c3-4099-9190-5e7011569198 | Sample-Stack | de339c4cb5984140ab0b243364e3a0f7 | CREATE_COMPLETE | 2022-05-03T23:03:31Z | None         |
+--------------------------------------+--------------+----------------------------------+-----------------+----------------------+--------------+

# the instance is running which is created from the Heat template

root@dlp ~(keystone)#
openstack server list

+--------------------------------------+----------------------+--------+-------------------------+------------+----------+
| ID                                   | Name                 | Status | Networks                | Image      | Flavor   |
+--------------------------------------+----------------------+--------+-------------------------+------------+----------+
| d3e337dd-8403-4a22-b83b-d67b44b3e7c2 | Heat_Deployed_Server | ACTIVE | private=192.168.100.123 | Ubuntu2204 | 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.
root@dlp ~(keystone)#
openstack role list

+----------------------------------+------------------+
| ID                               | Name             |
+----------------------------------+------------------+
| 21e8f80a7084427ea8a668bb50600a47 | CloudUser        |
| 269a9e935bd04d4f91d3ab60bc4c7b9f | admin            |
| 2eb6d717dcf54c52b4900fab860d2291 | heat_stack_owner |
| 2f380d2d551e42abb4d3f0331fde775b | member           |
| 95dc5ec4279740599481a04271786f5b | reader           |
| f85bd7c7d2234471b42915b885c5c542 | heat_stack_user  |
+----------------------------------+------------------+

root@dlp ~(keystone)#
openstack project list

+----------------------------------+-----------+
| ID                               | Name      |
+----------------------------------+-----------+
| 66102fdb888d4556a59dcff8b631ffdf | hiroshima |
| c1c4d9a5313f43bd9f6f555e2d34ab28 | service   |
| de339c4cb5984140ab0b243364e3a0f7 | admin     |
+----------------------------------+-----------+

root@dlp ~(keystone)#
openstack user list

+----------------------------------+-------------------+
| ID                               | Name              |
+----------------------------------+-------------------+
| 34113f89b81645c685255f27d4151cb5 | admin             |
| 41e315e920474fabad0bce94fd4e7db6 | glance            |
| df788fe920e6467c852a8198e87f6859 | nova              |
| 628c558c47b542d79d9b4c91e5ef5241 | placement         |
| 28aa64fdf6be4a7bbdf5179dc4187571 | neutron           |
| 74a373164921492ca35d32fea0fd2d86 | serverworld       |
| b38aa63c893c4d7da3f7aaea617cec5c | cinder            |
| 0383064a5cda4da490c6f7601209dcad | heat              |
| a40bc63dd177486b885deed6a0b01029 | heat_domain_admin |
+----------------------------------+-------------------+

# 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
# on the Node Neutron Server is running, change settings

root@network:~#
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@network:~#
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 |
+--------------------------------------+--------------+-----------------+----------------------+--------------+
| 1ac5e646-76b8-4ba9-aefb-bd35b4d17e34 | Sample-Stack | CREATE_COMPLETE | 2022-05-03T23:12:35Z | None         |
+--------------------------------------+--------------+-----------------+----------------------+--------------+

ubuntu@dlp ~(keystone)$
openstack server list

+--------------------------------------+----------------------+---------+-------------------------------------+------------+----------+
| ID                                   | Name                 | Status  | Networks                            | Image      | Flavor   |
+--------------------------------------+----------------------+---------+-------------------------------------+------------+----------+
| 18085ac8-7d9c-4a0d-b701-c48c9d2200f5 | Heat_Deployed_Server | ACTIVE  | private=192.168.100.99              | Ubuntu2204 | m1.small |
| 6781b9c7-19c6-4419-a910-d0ae43c7526c | Ubuntu-2204          | SHUTOFF | private=10.0.0.203, 192.168.100.164 | Ubuntu2204 | m1.small |
+--------------------------------------+----------------------+---------+-------------------------------------+------------+----------+
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