Installation and configuration¶
Installation¶
Important
First need to do setting up the environment. All commands are executed only from superuser.
Mode superuser:
sudo -i
Important
This is executed on all compute nodes, switches Mellanox.
Install Agent package:
from Python package repository:
pip3 install agent
Note
To install Agent on Astra Linux (Smolensk) do following:
Connect the provided repository with AccentOS packages.
Install the package with the command:
sudo apt install -y aos-agent
Configuration¶
Agent configuration¶
Configure module:
openstack aos agent configure --type <type>
Where
type
is one or more of following values:control
is value for any compute node;consul
is value for synchronization configuration files with the Consul repository;lvm
is value for logical disk management.
When specifying multiple parameters, use space when listing them.
Enable and start services systemd:
systemctl daemon-reload systemctl enable aos-agent.service systemctl start aos-agent.service
Create directory for logs.
Note
To enable the Agent functionality, you must also set the ENABLE_AGENT
parameter to True
in CloudManager configuration file.
Configuration file¶
Example configuration file:
[DEFAULT]
transport_url = amqp://user:password@controller:5672/vhost
agent_type = control
Configuration file consists of sections:
Section | Parameter | Description | Default value |
---|---|---|---|
DEFAULT |
transport_url |
Connection parameters to the message server AMQP. Example: Important If there are special characters in the login and password, they must be replaced with the corresponding URL codes. Example: |
|
DEFAULT |
agent_type |
Agent type. Possible values are:
|
|
DEFAULT |
rpc_response_timeout |
Maximum waiting time for RPC call. | 60 |
DEFAULT |
max_command_timeout |
Maximum waiting time for console commands. | 600 |
DEFAULT |
rpc_confirm_timeout |
Maximum waiting time for RPC request confirmation. | 10 |
consul |
host |
Domain name or IP address of repository Consul. | 127.0.0.1 |
consul |
port |
Consul repository port. | 8500 |
consul |
token |
Token for connecting to Consul repository . | |
consul |
force_dcc |
Option to disable prompting for host parameters from CloudManager and force dynamic configuration of components. | False |
sanlock |
enable_check |
Enabling automatic checking of the state of Sanlock locks. | False |
sanlock |
check_time |
Frequency of automatic check of the state of interlocks (in seconds). | 3600 |
sanlock |
global_vg_name |
Volumes group name with global locks. | False |
Module also supports parameters of the configuration files of the oslo.log
module. Thus, to configure logging specify the necessary parameters in the configuration file /etc/aos/agent.conf
:
[DEFAULT]
debug = True
log_file = /var/log/aos/agent.log
Where: