# Linux Operations Automation Makefile

.PHONY: help test run demo patch harden decommission lvm-check up down status logs validate clean lint scale-up-web scale-up-db scale-down-web scale-down-db fail-network fail-disk fail-service fail-node scenario-scaling help-scaling help-failure

help: ## Show this help message
	@echo "Linux Operations Automation"
	@echo ""
	@echo "Available commands:"
	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "  %-18s %s\n", $$1, $$2}'

test: ## Run offline validation checks
	ansible-playbook -i inventory/hosts.ini --syntax-check playbooks/*.yml
	ansible-lint

run: ## Run provisioning against the configured inventory
	ansible-playbook -i inventory/hosts.ini playbooks/provision.yml

demo: ## Run a safe local demonstration without requiring live SSH hosts
	SIMULATION_MODE=true bash ./scripts/simulate_failure.sh service 5 web

patch: ## Apply patching workflow against the configured inventory
	ansible-playbook -i inventory/hosts.ini playbooks/patch.yml

harden: ## Apply hardening workflow against the configured inventory
	ansible-playbook -i inventory/hosts.ini playbooks/hardening.yml

decommission: ## Run decommissioning workflow against the configured inventory
	ansible-playbook -i inventory/hosts.ini playbooks/decommission.yml

lvm-check: ## Validate the AAP-style LVM resize workflow
	ansible-playbook -i inventory/hosts.ini --syntax-check playbooks/lvm_resize.yml

up: ## Start the optional local container scaffold
	docker compose up -d

down: ## Stop the optional local container scaffold
	docker compose down

status: ## Show local scaffold status and inventory hosts
	docker compose ps
	ansible -i inventory/hosts.ini --list-hosts all || echo "Inventory check failed"

logs: ## Show local scaffold logs
	docker compose logs -f --tail=100

validate: ## Run all offline validation checks
	$(MAKE) test
	docker compose config --quiet

clean: ## Clean up generated local logs and reports
	rm -f logs/*.log reports/*.txt

lint: ## Lint Ansible content
	ansible-lint

scale-up-web: ## Scale up web servers in simulation mode (usage: make scale-up-web COUNT=2)
	SIMULATION_MODE=true bash ./scripts/simulate_scaling.sh up $(or $(COUNT),1) web

scale-up-db: ## Scale up database servers in simulation mode (usage: make scale-up-db COUNT=1)
	SIMULATION_MODE=true bash ./scripts/simulate_scaling.sh up $(or $(COUNT),1) db

scale-down-web: ## Scale down web servers in simulation mode (usage: make scale-down-web COUNT=1)
	SIMULATION_MODE=true bash ./scripts/simulate_scaling.sh down $(or $(COUNT),1) web

scale-down-db: ## Scale down database servers in simulation mode (usage: make scale-down-db COUNT=1)
	SIMULATION_MODE=true bash ./scripts/simulate_scaling.sh down $(or $(COUNT),1) db

fail-network: ## Simulate network failure safely (usage: make fail-network DURATION=60)
	SIMULATION_MODE=true bash ./scripts/simulate_failure.sh network $(or $(DURATION),60)

fail-disk: ## Simulate disk pressure safely (usage: make fail-disk DURATION=120)
	SIMULATION_MODE=true bash ./scripts/simulate_failure.sh disk $(or $(DURATION),120)

fail-service: ## Simulate service failures safely (usage: make fail-service DURATION=30)
	SIMULATION_MODE=true bash ./scripts/simulate_failure.sh service $(or $(DURATION),30)

fail-node: ## Simulate node failure safely (usage: make fail-node DURATION=300)
	SIMULATION_MODE=true bash ./scripts/simulate_failure.sh node $(or $(DURATION),300)

scenario-scaling: ## Run scaling event syntax validation
	ansible-playbook -i inventory/hosts.ini --syntax-check scenarios/scaling_event.yml

help-scaling: ## Show scaling-related commands
	@echo "Scaling Commands:"
	@echo "  make scale-up-web COUNT=2"
	@echo "  make scale-up-db COUNT=1"
	@echo "  make scale-down-web COUNT=1"
	@echo "  make scale-down-db COUNT=1"

help-failure: ## Show failure simulation commands
	@echo "Failure Simulation Commands:"
	@echo "  make fail-network DURATION=60"
	@echo "  make fail-disk DURATION=120"
	@echo "  make fail-service DURATION=30"
	@echo "  make fail-node DURATION=300"