Prerequisites

When to Use

• Before any deployment workflow
• Environment setup validation
• CI/CD pipeline prerequisite checks

Prerequisites

• Bash shell
• Access to download tools if missing

Required CLI Tools

Validation Script

#!/bin/bash
set -euo pipefail

# Check required tools
TOOLS=("az" "terraform" "kubectl" "helm" "gh" "argocd" "jq" "yq")
MISSING=()

for tool in "${TOOLS[@]}"; do
  if ! command -v "$tool" &> /dev/null; then
    MISSING+=("$tool")
  fi
done

if [ ${#MISSING[@]} -ne 0 ]; then
  echo "Missing tools: ${MISSING[*]}"
  exit 1
fi

echo "All prerequisites satisfied"

Installation Commands

macOS (Homebrew)

brew install azure-cli terraform kubectl helm gh argocd jq yq

Ubuntu/Debian

# Azure CLI
curl -sL https://aka.ms/InstallAzureCLIDeb | sudo bash

# Terraform
wget -O- https://apt.releases.hashicorp.com/gpg | sudo gpg --dearmor -o /usr/share/keyrings/hashicorp-archive-keyring.gpg
echo "deb [signed-by=/usr/share/keyrings/hashicorp-archive-keyring.gpg] https://apt.releases.hashicorp.com $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/hashicorp.list
sudo apt update && sudo apt install terraform

# kubectl
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl

Best Practices

1. Run prerequisite check before every deployment
2. Pin tool versions in CI/CD
3. Document version requirements
4. Use version managers (asdf, mise)
5. Include prerequisite check in pre-commit hooks

Output Format

1. Tools checked
2. Versions found
3. Missing tools
4. Installation instructions

Integration with Agents

Used by: All agents (prerequisite validation)

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