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Phase 4 — Enterprise Ansible Playbooks - Coggle Diagram
Phase 4 — Enterprise Ansible Playbooks
Playbooks Overview
Definition
A playbook is a YAML file containing one or more plays.
Used to automate configuration, deployment, patching, backups, and orchestration.
Executes tasks on managed hosts in a predictable order.
Idempotent (safe to run multiple times).
Enterprise Objectives
Standardize server configuration
Reduce manual administration
Automate operating system patching
Deploy applications consistently
Improve compliance
Reduce downtime
Enable Infrastructure as Code (IaC)
Playbook Execution Flow
Inventory
Play
Hosts
Gather Facts
Variables
Tasks
Handlers
Roles
Results
Reports
Enterprise Playbook Directory
ansible.cfg
inventory/
hosts.ini
group_vars/
host_vars/
playbooks/
install_httpd.yml
create_users.yml
copy_files.yml
update_packages.yml
reboot.yml
patch.yml
backup.yml
roles/
templates/
files/
logs/
YAML Fundamentals
Extension
.yml
.yaml
Rules
Space indentation only
Usually 2 spaces
No tabs
Case sensitive
Keys end with :
Lists begin with -
Data Types
String
Integer
Boolean
List
Dictionary
Null
Validation
yamllint
ansible-playbook --syntax-check
Anatomy of a Playbook
Play
Name
Hosts
Become
Become User
Gather Facts
Vars
Vars Files
Tasks
Blocks
Rescue
Always
Handlers
Roles
Tags
Environment
Pre Tasks
Post Tasks
Serial
Common Playbook Commands
ansible-playbook playbooks/install_httpd.yml
ansible-playbook -i inventory/hosts.ini playbooks/install_httpd.yml
ansible-playbook --syntax-check playbooks/install_httpd.yml
ansible-playbook --check playbooks/install_httpd.yml
ansible-playbook --diff playbooks/install_httpd.yml
ansible-playbook --list-hosts playbooks/install_httpd.yml
ansible-playbook --list-tasks playbooks/install_httpd.yml
ansible-playbook --list-tags playbooks/install_httpd.yml
ansible-playbook --start-at-task="Install Apache"
ansible-playbook --step
ansible-playbook --limit webservers
ansible-playbook --tags install
ansible-playbook --skip-tags reboot
ansible-playbook -K
ansible-playbook -b
ansible-playbook -u ansible
ansible-playbook -e "package=httpd"
ansible-playbook -v
ansible-playbook -vv
ansible-playbook -vvv
ansible-playbook -vvvv
install_httpd.yml
Enterprise Purpose
Install Apache
Configure Service
Enable Startup
Start Service
Verify Installation
Modules
package
dnf
yum
apt
service
systemd
copy
template
file
uri
Verification
systemctl status httpd
ss -tulpn
curl localhost
rpm -q httpd
Enterprise Use Cases
Web Farm
Internal Portal
Reverse Proxy
Load Balancer
create_users.yml
Enterprise Purpose
User Provisioning
Account Standardization
SSH Access
Group Assignment
Password Policies
Modules
user
group
authorized_key
copy
file
lineinfile
Linux Paths
/etc/passwd
/etc/group
/etc/shadow
/home/
~/.ssh/authorized_keys
Commands
id
groups
getent passwd
passwd
chage
copy_files.yml
Enterprise Purpose
Deploy Configuration Files
Deploy Scripts
Push Certificates
Push Application Files
Maintain Standard Configurations
Modules
copy
synchronize
fetch
template
unarchive
stat
Linux Paths
/etc/
/opt/
/usr/local/bin/
/var/www/html/
/tmp/
Verification
ls -l
md5sum
sha256sum
diff
update_packages.yml
Enterprise Purpose
Security Updates
Bug Fixes
Compliance
Version Standardization
Modules
package
yum
dnf
apt
package_facts
Linux Commands
yum update
dnf upgrade
apt update
apt upgrade
rpm -qa
dpkg -l
Enterprise Policies
Maintenance Window
Change Management
Rollback Plan
Validation
reboot.yml
Enterprise Purpose
Reboot After Kernel Updates
Reboot After Security Updates
Controlled Restart
Maintenance Window
Module
reboot
Linux Commands
reboot
shutdown -r now
who -b
uptime
last reboot
Enterprise Considerations
Serial Reboot
Cluster Awareness
Health Check
Downtime Planning
patch.yml
Enterprise Purpose
Centralized Patch Management
Vulnerability Remediation
Compliance
Security Hardening
Automated Reporting
Workflow
Gather Facts
Check Updates
Download Packages
Install Updates
Check Kernel
Determine Reboot Requirement
Reboot
Verify Services
Generate Report
Modules
package
yum
dnf
apt
reboot
wait_for_connection
service_facts
template
copy
mail
Enterprise Reports
HTML
CSV
JSON
Email
SIEM Integration
Logging
/var/log/dnf.log
/var/log/yum.log
/var/log/apt/history.log
/var/log/ansible.log
backup.yml
Enterprise Purpose
Configuration Backup
Database Backup
Application Backup
Disaster Recovery
Compliance
Modules
archive
synchronize
fetch
copy
shell
command
Backup Paths
/etc/
/home/
/var/www/
/var/lib/mysql/
/opt/
/backup/
Verification
tar -tf
restore test
checksum verification
file integrity
Enterprise Strategy
Full Backup
Incremental Backup
Differential Backup
Offsite Backup
Disaster Recovery Testing
Enterprise Best Practices
Use Roles
Use Variables
Use Templates
Use Vault
Use Tags
Use Handlers
Keep Playbooks Idempotent
Avoid Hardcoded Values
Store Inventory Separately
Use Git Version Control
Validate with --syntax-check
Test with --check
Follow Least Privilege
Maintain Documentation
Standardize Naming Conventions
Enterprise Skills After Mastering Phase 4
Linux Server Provisioning
Enterprise User Management
Apache/Nginx Deployment
Configuration Management
OS Patch Management
Automated Reboot Management
Backup Automation
Compliance Automation
Infrastructure as Code
Change Management Automation
Large Scale Server Administration
Enterprise DevOps Foundations
RHCE-Level Automation Skills
Production Infrastructure Management
AWX / Ansible Automation Platform Readiness