Skills
skills/clawdbot/skills/azure cli

azure cli

SKILL.md

Azure CLI Skill

Master the Azure command-line interface for cloud infrastructure management, automation, and DevOps workflows.

Azure CLI is Microsoft's powerful cross-platform command-line tool for managing Azure resources. This skill provides comprehensive knowledge of Azure CLI commands, authentication, resource management, and automation patterns.

What You'll Learn

Core Concepts

  • Azure subscription and resource group architecture
  • Authentication methods and credential management
  • Resource Provider organization and registration
  • Global parameters, output formatting, and query syntax
  • Automation scripting and error handling

Major Service Areas (66 command modules)

  • Compute: Virtual Machines, Scale Sets, Kubernetes (AKS), Containers
  • Networking: Virtual Networks, Load Balancers, CDN, Traffic Manager
  • Storage & Data: Storage Accounts, Data Lake, Cosmos DB, Databases
  • Application Services: App Service, Functions, Container Apps
  • Databases: SQL Server, MySQL, PostgreSQL, CosmosDB
  • Integration & Messaging: Event Hubs, Service Bus, Logic Apps
  • Monitoring & Management: Azure Monitor, Policy, RBAC, Cost Management
  • AI & Machine Learning: Cognitive Services, Machine Learning
  • DevOps: Azure DevOps, Pipelines, Extensions

Quick Start

Installation

macOS:

brew install azure-cli

Linux (Ubuntu/Debian):

curl -sL https://aka.ms/InstallAzureCliLinux | bash

Windows:

choco install azure-cli
# Or download MSI from https://aka.ms/InstallAzureCliWindowsMSI

Verify Installation:

az --version          # Show version
az --help             # Show general help

First Steps

# 1. Login to Azure (opens browser for authentication)
az login

# 2. View your subscriptions
az account list

# 3. Set default subscription (optional)
az account set --subscription "My Subscription"

# 4. Create a resource group
az group create -g myResourceGroup -l eastus

# 5. List your resource groups
az group list

Essential Commands

Authentication & Accounts

az login                                    # Interactive login
az login --service-principal -u APP_ID -p PASSWORD -t TENANT_ID
az login --identity                         # Managed identity
az logout                                   # Sign out
az account show                             # Current account
az account list                             # All accounts
az account set --subscription SUBSCRIPTION  # Set default

Global Flags (Use with Any Command)

--subscription ID       # Target subscription
--resource-group -g RG  # Target resource group
--output -o json|table|tsv|yaml  # Output format
--query JMESPATH_QUERY  # Filter/extract output
--verbose -v            # Verbose output
--debug                 # Debug mode
--help -h               # Command help

Resource Groups

az group list           # List all resource groups
az group create -g RG -l LOCATION  # Create
az group delete -g RG   # Delete
az group show -g RG     # Get details
az group update -g RG --tags key=value  # Update tags

Virtual Machines (Compute)

az vm create -g RG -n VM_NAME --image UbuntuLTS
az vm list -g RG
az vm show -g RG -n VM_NAME
az vm start -g RG -n VM_NAME
az vm stop -g RG -n VM_NAME
az vm restart -g RG -n VM_NAME
az vm delete -g RG -n VM_NAME

Storage Operations

az storage account create -g RG -n ACCOUNT --sku Standard_LRS
az storage account list
az storage container create --account-name ACCOUNT -n CONTAINER
az storage blob upload --account-name ACCOUNT -c CONTAINER -n BLOB -f LOCAL_FILE
az storage blob download --account-name ACCOUNT -c CONTAINER -n BLOB -f LOCAL_FILE

Azure Kubernetes Service (AKS)

az aks create -g RG -n CLUSTER --node-count 2
az aks get-credentials -g RG -n CLUSTER
az aks list
az aks show -g RG -n CLUSTER
az aks delete -g RG -n CLUSTER

Common Patterns

Pattern 1: Output Formatting

# Get only specific fields
az vm list --query "[].{name: name, state: powerState}"

# Get just the names
az vm list --query "[].name" -o tsv

# Filter and extract
az vm list --query "[?powerState=='VM running'].name"

Pattern 2: Automation & Scripting

#!/bin/bash
set -e  # Exit on error

# Get VM ID
VM_ID=$(az vm create \
  -g myRG \
  -n myVM \
  --image UbuntuLTS \
  --query id \
  --output tsv)

echo "Created VM: $VM_ID"

# Check provisioning state
az vm show --ids "$VM_ID" --query provisioningState

Pattern 3: Batch Operations

# Delete all VMs in a resource group
az vm list -g myRG -d --query "[].id" -o tsv | xargs az vm delete --ids

# List all resources by tag
az resource list --tag env=production

Pattern 4: Using Defaults

# Set defaults to reduce typing
az configure --defaults group=myRG subscription=mySubscription location=eastus

# Now commands are simpler
az vm create -n myVM --image UbuntuLTS  # group, subscription, location inherited

Helper Scripts

This skill includes helper bash scripts for common operations:

  • azure-vm-status.sh — Check VM status across subscription
  • azure-resource-cleanup.sh — Identify and remove unused resources
  • azure-storage-analysis.sh — Analyze storage account usage and costs
  • azure-subscription-info.sh — Get subscription quotas and limits
  • azure-rg-deploy.sh — Deploy infrastructure with monitoring

Usage:

./scripts/azure-vm-status.sh -g myResourceGroup
./scripts/azure-storage-analysis.sh --subscription mySubscription

Advanced Topics

Output Querying with JMESPath

Azure CLI supports powerful output filtering using JMESPath:

# Sort results
az vm list --query "sort_by([], &name)"

# Complex filtering
az vm list --query "[?location=='eastus' && powerState=='VM running'].name"

# Aggregation
az vm list --query "length([])"  # Count VMs

Error Handling

# Check exit codes
az vm create -g RG -n VM --image UbuntuLTS
if [ $? -eq 0 ]; then
  echo "VM created successfully"
else
  echo "Failed to create VM"
  exit 1
fi

Authentication Methods

Service Principal (Automation):

az login --service-principal \
  --username $AZURE_CLIENT_ID \
  --password $AZURE_CLIENT_SECRET \
  --tenant $AZURE_TENANT_ID

Managed Identity (Azure Resources):

# On an Azure VM or Container Instance
az login --identity

Token-based (CI/CD):

echo "$AZURE_ACCESS_TOKEN" | az login --service-principal -u $AZURE_CLIENT_ID --password-stdin --tenant $AZURE_TENANT_ID

Key Resources

Tips & Tricks

  1. Enable Tab Completion:

    # macOS with Homebrew
eval "$(az completion init zsh)"

# Linux (bash)
eval "$(az completion init bash)"

  2. Find Commands Quickly:

    az find "create virtual machine"  # Search for commands

  3. Use --no-wait for Long Operations:

    az vm create -g RG -n VM --image UbuntuLTS --no-wait
# Check status later with az vm show

  4. Save Frequently Used Parameters:

    az configure --defaults group=myRG location=eastus

  5. Combine with Other Tools:

    # Use with jq for advanced JSON processing
az vm list | jq '.[] | select(.powerState == "VM running") | .name'

# Use with xargs for batch operations
az storage account list --query "[].name" -o tsv | xargs -I {} az storage account show -g RG -n {}

Next Steps

  • Review references/REFERENCE.md for comprehensive command documentation
  • Explore helper scripts in the scripts/ directory
  • Practice with non-production resources first
  • Review Azure best practices and cost optimization strategies

Version: 1.0.0
License: MIT
Compatible with: Azure CLI v2.50+, Azure Subscription

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