myos/ansible/roles/hosts/README.md

155 lines
3.7 KiB
Markdown

# hosts role for Ansible
Bootstrap hosts, installing standard packages and user settings
## Role Variables
* `hosts_cloudinit_config` - cloud-init yaml config
``` yaml
hosts_cloudinit_config:
preserve_hostname: false
datasource_list:
- Ec2
datasource:
Ec2:
metadata_urls:
- 'http://169.254.169.254'
```
* `hosts_cloudinit_enable` - Install and configure cloud-init
``` yaml
hosts_cloudinit_enable: false
```
* `hosts_packages` - List of packages to install/remove on your hosts, should be overrided for a specific distro
``` yaml
hosts_packages: []
```
* `hosts_packages_common` - List of packages to install/remove on your hosts, common to all distros
``` yaml
hosts_packages_common:
- { "name": "bash", "state": "present" }
```
* `hosts_packages_distro` - List of packages to install/remove on your hosts, specific to a distro
``` yaml
hosts_packages_distro:
- { "name": "vim-nox", "state": "present" }
```
* `hosts_services` - List of services to enable/disable on your hosts
``` yaml
hosts_services:
# Enable ansible, running ansible pull at boot
- { "name": "ansible", "state": "started", "enabled": "yes" }
# Enable zram, creating virtual swap devices compressed in RAM, usefull on hosts without physical swap to increase performances
- { "name": "zram", "state": "started", "enabled": "yes" }
```
* `hosts_ssh_authorized_keys` - List of urls to add ssh public keys in ~/.ssh/authorized_keys
``` yaml
hosts_ssh_authorized_keys:
- https://github.com/aynicos.keys
```
* `hosts_ssh_bastion_hostname` - Hostname of ssh bastion added in ~/.ssh/myos/config
``` yaml
hosts_ssh_bastion_hostname: 8.4.2.1
```
* `hosts_ssh_bastion_username` - Username of ssh bastion added in ~/.ssh/myos/config
``` yaml
hosts_ssh_bastion_username: root
```
* `hosts_ssh_private_ip_range` - Ip range proxified through ssh bastion to add in ~/.ssh/myos/config
``` yaml
hosts_ssh_private_ip_range: 10.* 192.168.42.*
```
* `hosts_ssh_private_keys` - List of ssh private keys to copy, default to ~/.ssh/id_rsa
``` yaml
hosts_ssh_private_keys:
- ~/.ssh/id_rsa
```
* `hosts_ssh_public_hosts` - List of host names to add ssh public fingerprints in ~/.ssh/known_hosts
``` yaml
hosts_ssh_public_hosts:
- github.com
- gitlab.com
```
* `hosts_ssh_username` - User to ssh on remote hosts
``` yaml
hosts_ssh_username: root
```
* `hosts_user_env` - List of environment variables added in ~/.env
``` yaml
hosts_user_env:
- ENV
- DOCKER
```
* `hosts_user_rc_enable` - Call specific functions on user login, allowing it to customize his session
``` yaml
hosts_user_rc_enable: false
```
* `hosts_user_rc_functions` - List of specific functions to call on user login, defined in /etc/profile.d/rc_functions.sh
``` yaml
hosts_user_rc_functions:
# customize PROMPT variable
- { "path": "10_prompt_set", "state": "touch" }
# customize PS1 variable
- { "path": "10_ps1_set", "state": "touch" }
# create and/or attach a tmux session
- { "path": "20_tmux_attach", "state": "touch" }
# display host infos
- { "path": "30_pfetch", "state": "touch" }
# create and/or attach a screen session
- { "path": "30_screen_attach", "state": "touch" }
# launch ssh agent and load private keys in ~/.ssh
- { "path": "40_ssh_add", "state": "touch" }
# remove tmux_attach
- { "path": "20_tmux_attach", "state": "absent" }
```
## Example playbook
``` yaml
- hosts: 'hosts'
roles:
- role: 'aynicos.hosts'
hosts_services:
- { "name": "local", "state": "started", "enabled": "yes" }
- { "name": "zram", "state": "started", "enabled": "yes" }
hosts_user_rc_enable: true
```
## Tests
To test this role on your `hosts`, run the tests/playbook.yml playbook.
``` bash
$ ansible-playbook tests/playbook.yml
```