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Ansible Automation

⬢ TIER 2Tech
High
Salary impact
5 months
Time to learn
Medium
Difficulty
2
Careers
TL;DR

Ansible is the leading open-source configuration management and orchestration platform: define infrastructure as code via YAML playbooks, execute across thousands of servers without agent installation, and manage full application deployments idempotently. Career path: Practitioner (basic playbooks, $95-125k) → Engineer (roles, Vault, Galaxy, $125-160k) → Architect (Tower/AWX, multi-cloud, $160-210k) over 4-6 months. Core concepts: playbooks, inventory, roles, handlers. Compare to Terraform (IaC), Chef/Puppet (agent-based), Kubernetes (orchestration).

What is Ansible Automation

Agentless IT automation: configuration management, application deployment, orchestration. Simple YAML-based automation for servers, networks, cloud. Red Hat (IBM) product. Learning Curve: Medium (YAML + systems knowledge)

🔧 TOOLS & ECOSYSTEM
Ansible CoreAnsible TowerAnsible AWXAnsible Content Collectionsansible-lintMoleculeAnsible GalaxyVagrantHashiCorp VaultJenkins

💰 Salary by region

RegionJuniorMidSenior
USA$100k$140k$190k
UK£55k£80k£115k
EU€60k€85k€125k
CANADAC$105kC$145kC$200k

🎯 Careers using Ansible Automation

Database Administrator
Network Engineer

❓ FAQ

Ansible vs Terraform — when do I use each?
Ansible: configuration management, application deployment, orchestration. Iterative, mutable infrastructure. Terraform: infrastructure provisioning, immutable desired state, AWS/Azure/GCP resource management. Modern DevOps uses both: Terraform provisions instances, Ansible configures them. They complement, not compete.
How is Ansible agentless different?
Ansible connects via SSH (Linux) or WinRM (Windows) — no agent to install, no background service running. Competitors (Puppet, Chef) install agents that phone home. Agentless = less operational overhead, easier onboarding, better security (no persistent agent). Trade-off: slightly slower for massive-scale ops (100k+ nodes).
What's idempotency and why does it matter?
Running a playbook twice = same result as running it once. If a package is installed, re-running doesn't reinstall. If a config file is correct, no change. Idempotency = safe automation; ops can re-run playbooks without breaking production. Ansible modules are idempotent by design.
Ansible Tower vs AWX vs Ansible Automation Platform — what's the difference?
AWX (open-source, free, community-supported): UI, RBAC, scheduling, webhooks. Tower (legacy, deprecated): commercial, replaced by AAP. Ansible Automation Platform (AAP, modern): Red Hat's commercial offering with support, advanced analytics, hub integration. For enterprises: AAP. For labs/small orgs: AWX. AWX is fine for most use cases.
How do I manage secrets in Ansible?
Ansible Vault encrypts sensitive data (passwords, API keys) in playbooks. Store vault password in `.vault_password` file or pass via `--vault-password-file`. For teams: use HashiCorp Vault integration. Never commit secrets to Git; use CI/CD to inject at runtime.
What's the difference between plays, tasks, handlers, and roles?
Play: collection of tasks targeting a host group. Task: single action (install package, restart service). Handler: task triggered by notify (only runs if something changed). Role: reusable, organized bundle of tasks, handlers, templates, variables. Roles = best practice for scaling.
Can Ansible manage cloud infrastructure like AWS?
Yes, via modules: aws_ec2, rds, s3, etc. Ansible provisioning < Terraform (Terraform is cloud-native). Use Ansible for post-deployment config, app setup. Use Terraform for resource provisioning. Together: Terraform spins up, Ansible configures.

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