Managing Ansible Configuration Files
[kiosk@foundation0 ~]$ ssh student@workstation
[student@workstation ~]$ lab manage setup
[student@workstation ~]$ mkdir /home/student/dep-manage
[student@workstation ~]$ cd /home/student/dep-manage/
[student@workstation dep-manage]$ vim ansible.cfg
[defaults]
inventory = ./inventory[student@workstation dep-manage]$ vim inventory
[myself]
localhost
[intranetweb]
servera.lab.example.com
[everyone:children]
myself
intranetweb[student@workstation dep-manage]$ ansible everyone --list-hosts
[student@workstation dep-manage]$ ansible all --list-hosts
[student@workstation dep-manage]$ vim ansible.cfg
[defaults]
inventory = ./inventory
[privilege_escalation]
become = true
become_method = sudo
become_user = root
become_ask_pass = true'-v' see the location of the current configuration file
[student@workstation dep-manage]$ ansible all --list-hosts -v
[student@workstation dep-manage]$ ansible all -m ping
password:studentRunning Ad Hoc Commands
[student@workstation dep-manage]$ lab adhoc setup
[student@workstation dep-manage]$ sudo cat /etc/sudoers.d/devops
password:student[student@workstation dep-manage]$ ssh [email protected]
[devops@servera ~]$ sudo cat /etc/sudoers.d/devops
[student@workstation dep-manage]$ cd /home/student/dep-adhoc/
[student@workstation dep-adhoc]$ cat ansible.cfg
[defaults]
inventory=inventory
[student@workstation dep-adhoc]$ cat inventory
[myself]
localhost
[intranetweb]
servera.lab.example.com
[everyone:children]
myself
intranetweb[student@workstation dep-adhoc]$ ansible all -m ping
[student@workstation dep-adhoc]$ ansible localhost -m command -a 'id'
[student@workstation dep-adhoc]$ ansible localhost -m command -a 'id' -u devops
[student@workstation dep-adhoc]$ ansible localhost -m command -a 'cat /etc/motd' -u devops
'--become' option to switch to root
[student@workstation dep-adhoc]$ ansible localhost -m copy -a 'content="Managed by Ansible\n" dest=/etc/motd' -u devops
[student@workstation dep-adhoc]$ ansible localhost -m copy -a 'content="Managed by Ansible\n" dest=/etc/motd' -u devops --become
in the everyone host group
[student@workstation dep-adhoc]$ ansible everyone -m copy -a 'content="Managed by Ansible\n" dest=/etc/motd' -u devops --become
[student@workstation dep-adhoc]$ ansible everyone -m command -a 'cat /etc/motd' -u devops
Managed Dynamic Inventories
[student@workstation dep-adhoc]$ lab deploy-dynamic setup
[student@workstation dep-adhoc]$ cd /home/student/dep-dynamic/
[student@workstation dep-dynamic]$ vim ansible.cfg
[defaults]
inventory = inventory[student@workstation dep-dynamic]$ mkdir inventory
[student@workstation dep-dynamic]$ wget http://materials.example.com/dynamic/inventorya.py -O inventory/inventorya.py
[student@workstation dep-dynamic]$ wget http://materials.example.com/dynamic/inventoryw.py -O inventory/inventoryw.py
[student@workstation dep-dynamic]$ wget http://materials.example.com/dynamic/hosts -O inventory/hosts
[student@workstation dep-dynamic]$ ansible -i inventory/inventorya.py webservers --list-hosts
[student@workstation dep-dynamic]$ chmod 755 inventory/inventorya.py
[student@workstation dep-dynamic]$ chmod 755 inventory/inventoryw.py
[student@workstation dep-dynamic]$ inventory/inventorya.py --list
[student@workstation dep-dynamic]$ inventory/inventoryw.py --list
[student@workstation dep-dynamic]$ cat inventory/hosts
[student@workstation dep-dynamic]$ ansible webservers --list-hosts
[student@workstation dep-dynamic]$ vim inventory/hosts
[webservers]
[servers:children]
webservers
[student@workstation dep-dynamic]$ ansible webservers --list-hostsLab:Deploying Ansible
[student@workstation dep-dynamic]$ lab deploy setup
[student@workstation dep-dynamic]$ yum list installed ansible
[student@workstation dep-dynamic]$ ansible --version
[student@workstation dep-dynamic]$ mkdir /home/student/dep-lab
[student@workstation dep-dynamic]$ cd /home/student/dep-lab/
disable privilege escalation and without password authentication
[student@workstation dep-lab]$ vim ansible.cfg
[defaults]
remote_user = devops
inventory = inventory
[privilege_escalation]
become = False
become_method = sudo
becom_user = root
become_ask_pass = False[student@workstation dep-lab]$ wget http://materials.example.com/dynamic/inventory -O inventory/inventory
[student@workstation dep-lab]$ wget http://materials.example.com/dynamic/binventory.py -O inventory/binventory.py
[student@workstation dep-lab]$ chmod 755 inventory/binventory.py
[student@workstation dep-lab]$ vim inventory/inventory
[internetweb]
[intranetweb]
servera.lab.example.com
serverc.lab.example.com
serverd.lab.example.com
[everyone:children]
intranetweb
internetweb[student@workstation dep-lab]$ ansible everyone -m command -a 'id'
[student@workstation dep-lab]$ ansible everyone -m copy -a 'content="This server is managed by Ansible.\n" dest=/etc/motd' --become
[student@workstation dep-lab]$ ansible everyone -m command -a 'cat /etc/motd'
[student@workstation dep-lab]$ lab deploy grade