simplified instructions
This commit is contained in:
Kosta Mushkin
@@ -1,19 +1,30 @@
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#!/usr/bin/env python3
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"""
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Exercise 3: Site Discovery
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Exercise 3: Site Discovery - Beginner-Friendly Instructions
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This script demonstrates how to discover and work with Zerto virtualization sites.
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Prerequisites:
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1. Install the zvml package in development mode:
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cd /path/to/zvml-python-sdk
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pip install -e .
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2. Update prerequisites/config.py with your ZVM details
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PREREQUISITES (Complete these first):
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1. ✅ Completed Exercise 2 (Authentication)
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2. ✅ Make sure you have the zvml package installed
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3. ✅ Updated prerequisites/config.py with your ZVM details
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Your task:
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1. List all available virtualization sites
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2. Get and display local site information
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WHAT YOU NEED TO DO:
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In this exercise, you will:
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1. Create a ZVMLClient to connect to your ZVM (same as Exercise 2)
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2. Get a list of all available virtualization sites
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3. Get detailed information about your local site
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If you need help, check the solution in the solution directory.
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STEP-BY-STEP INSTRUCTIONS:
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1. Look at the TODO comments below - they tell you exactly what to do
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2. Replace the placeholder code with the actual code
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3. Each step has hints and examples to help you
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4. If you get stuck, check the solution file in the solution/ directory
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WHAT ARE VIRTUALIZATION SITES?
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- A "site" in Zerto is a location where you have virtual machines
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- Your "local site" is where your ZVM is running
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- "Peer sites" are other locations you can replicate to/from
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- Each site has information like name, type, version, etc.
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"""
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import sys
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@@ -22,62 +33,116 @@ import logging
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import json
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from pathlib import Path
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# Add prerequisites to Python path
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# Add prerequisites to Python path (this helps Python find your config file)
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prerequisites_path = Path(__file__).parent.parent.parent.parent / "prerequisites"
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sys.path.append(str(prerequisites_path))
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# Import the SDK modules
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# Import the Zerto SDK - this gives us the ZVMLClient class
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from zvml import ZVMLClient
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# Import configuration
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# Import your configuration settings
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try:
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from config import (
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ZVM_HOST,
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ZVM_PORT,
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ZVM_SSL_VERIFY,
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CLIENT_ID,
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CLIENT_SECRET
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ZVM_HOST, # Your ZVM IP address (e.g., "192.168.1.100")
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ZVM_PORT, # Usually 443 for HTTPS
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ZVM_SSL_VERIFY, # True/False for SSL certificate verification
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CLIENT_ID, # Your Keycloak client ID (e.g., "my-api-client")
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CLIENT_SECRET # Your Keycloak client secret
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)
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except ImportError:
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print("Error: Please copy config.example.py to config.py and update with your values")
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print("❌ ERROR: Configuration file not found!")
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print("Please copy config.example.py to config.py and update with your values")
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print("Expected path:", prerequisites_path / "config.py")
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sys.exit(1)
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def main():
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"""
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Main function to demonstrate site discovery.
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Complete the following steps:
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1. List all available virtualization sites
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2. Get and display local site information
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Main function - this is where your code goes!
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Follow the step-by-step instructions below.
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"""
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# Set up logging with timestamp
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# Set up logging so you can see what's happening
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logging.basicConfig(
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level=logging.INFO,
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format='%(asctime)s - %(levelname)s - %(message)s'
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)
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print("🚀 Starting Zerto Site Discovery Exercise")
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print("=" * 50)
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try:
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# Step 1: Create a ZVMLClient instance
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# TODO: Initialize the ZVMLClient with your ZVM host and credentials
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# Hint: Use ZVMLClient(zvm_address=ZVM_HOST, client_id=CLIENT_ID,
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# client_secret=CLIENT_SECRET, verify_certificate=ZVM_SSL_VERIFY)
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client = None # Replace with actual client initialization
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# ========================================
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# STEP 1: Create a ZVMLClient instance
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# ========================================
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print("\n📝 STEP 1: Creating ZVMLClient...")
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print("This is the same as Exercise 2 - you need to create a client to connect to ZVM.")
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# Step 2: List all available sites
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# TODO: Get the list of virtualization sites
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# Hint: Use client.virtualization_sites.get_virtualization_sites()
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# Hint: Log the number of sites found and their details using json.dumps()
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pass # Replace with actual site listing
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# TODO: Replace this line with actual ZVMLClient creation
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# HINT: Use this syntax (same as Exercise 2):
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# client = ZVMLClient(
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# zvm_address=ZVM_HOST,
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# client_id=CLIENT_ID,
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# client_secret=CLIENT_SECRET,
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# verify_certificate=ZVM_SSL_VERIFY
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# )
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#
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# EXPLANATION:
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# This creates a connection to your ZVM (same as Exercise 2)
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# Step 3: Get and display local site information
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# TODO: Get and display local site information
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# Hint: Use client.localsite.get_local_site()
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# Hint: Log the local site details using json.dumps()
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pass # Replace with actual local site retrieval
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client = None # ← REPLACE THIS LINE WITH YOUR CODE
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# ========================================
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# STEP 2: List all available sites
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# ========================================
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print("\n📝 STEP 2: Getting list of sites...")
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print("You need to get a list of all virtualization sites available to your ZVM.")
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# TODO: Add code to get the list of sites
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# HINT: Use this syntax:
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# sites = client.virtualization_sites.get_virtualization_sites()
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#
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# EXPLANATION:
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# - client.virtualization_sites.get_virtualization_sites() gets all sites
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# - This returns a list of site information
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# ← ADD YOUR CODE HERE
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# TODO: Add code to display the sites
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# HINT: Use this syntax:
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# if not sites:
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# logging.warning("No sites found!")
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# else:
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# logging.info(f"Found {len(sites)} site(s):")
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# logging.info(f'Sites Info: {json.dumps(sites, indent=4)}')
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#
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# EXPLANATION:
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# - len(sites) counts how many sites were found
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# - json.dumps(sites, indent=4) formats the site data nicely
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# - logging.info() displays the information
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# ← ADD YOUR CODE HERE
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# ========================================
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# STEP 3: Get local site information
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# ========================================
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print("\n📝 STEP 3: Getting local site details...")
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print("You need to get detailed information about your local site.")
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# TODO: Add code to get local site information
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# HINT: Use this syntax:
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# local_site = client.localsite.get_local_site()
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# logging.info(f"Local site details: {json.dumps(local_site, indent=4)}")
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#
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# EXPLANATION:
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# - client.localsite.get_local_site() gets info about your local ZVM
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# - This includes version, name, type, and other details
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# - json.dumps(local_site, indent=4) formats it nicely
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# ← ADD YOUR CODE HERE
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except Exception as e:
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# TODO: Handle any site discovery errors
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# Hint: Use logging.error() to log the error message
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# This catches any errors that might occur
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print(f"\n❌ ERROR: Something went wrong!")
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print(f"Error details: {str(e)}")
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logging.error(f"Site discovery failed: {str(e)}")
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sys.exit(1)
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