Project: Build Proof of Concept for BallotOnline Cloud Migration - [Project #1 Solved] - Grade One Essays

Project: Build Proof of Concept for BallotOnline Cloud Migration – [Project #1 Solved]

Project: Build Proof of Concept for BallotOnline Cloud Migration

 

In previous projects, you have investigated and reported on several aspects of cloud technology crucial to BallotOnline’s cloud migration. To make a final determination, you have been asked to build a proof of concept for migrating the company’s website to Amazon Web Services’ (AWS) cloud.

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You will conduct the proof of concept in several steps.

 

  1. You will build an AWS migration environment and configure web services needed.
  2. You will test the migration environment.
  3. You will prepare a cloud monitoring dashboard.
  4. You will cause site outages and investigate the results on the monitoring dashboard.

 

In each of these steps, you will prepare lab reports documenting your efforts with the report templates provided.

 

Finally, you will prepare and submit the final Proof of Concept report.

 

STEP 1: Build an AWS Migration Environment and Configure the Web Services

 

The BallotOnline management has asked you to build out an environment as a proof of concept on Amazon Web Services (AWS) to migrate the BallotOnline web service. This environment will consist of virtual servers or virtual machines made up of two instances of EC2 that will both be used to serve out the BallotOnline website.

 

You will use AWS Elastic Load Balancer to split the traffic going to this site (so each of the EC2 instance will serve half of the Internet traffic) and you will also use AWS Auto Scaling to ensure that the servers can scale to support the demand. (In our specific instance, we want to make sure if one of the servers is down, a new instance will automatically be spun up.)

 

After the basic infrastructure is provisioned, then you will configure the web servers to be able to provide web services.

 

Lab 1: Build AWS Migration Environment Lab

 

Overview

In this lab, you will set up the core infrastructure. This includes your virtual machines (or instances)

in AWS Elastic Compute Cloud (EC2), Auto-Scaling group, and Elastic Load Balancer.

 

Log In to the AWS Console

  • Log in to your AWS Academy Classroom.
  • Click on the AWS Console button.

 

Launch an Instance

  1. In the AWS services search box, type the following and hit Return or Enter on the keyboard to

access the Amazon Elastic Compute Cloud (Amazon EC2) web service. Alternatively, you can also access ec2 by clicking on the Services link (on the upper left corner of the screen) and selecting EC2 from the list of services.

 

  1. On the Resources screen, under Launch Instance, click Launch instance.

Used with permission from Amazon Web Services.

Alt text= Screenshot of the launch instance.

 

  1. Choose an Amazon Machine Image (AMI). You should select the Amazon Linux AMI,

located at the top of the screen.

Used with permission from Amazon Web Services.

Alt text= Screenshot of the AMI.

 

  1. Choose an Instance Type. Be sure that you are selecting the t2.micro, which is free-tier

eligible.

 

Configure Instance Details

  1. Click on the Next: Configure Instance Details button.

 

  1. On the Configure Instance Details screen, change the following values from their defaults:

Number of instances: 2

Note that on this screen and subsequent screens, you have the option to move the cursor

over the “letter i” circles for more information on each field.

 

Configure Launch Configuration               and AutoScaling

  1. Click on the Launch into Auto Scaling Group button, and then click Use a Launch

Configuration link in the pop-up window that appears. Click Continue.

 

  1. On the Create Launch Configuration screen, enter the following information:

Name: LAB 625 Lab

 

  1. If the Create Launch Configuration screen does not pre-populate the AMI and instance type

you’ve chosen, you will need to click in the AMI box and search by AMI id of the AWS Linux

AMI for that AMI, and manually choose the t2.micro instance

type.

Make sure you check “Enable EC2 instance detailed monitoring within CloudWatch” in the

Monitoring section, and select “Create a new security group” in Security Group section (note

the security group name), as well as your existing key pair in Key Pairs (login) section.

 

  1. If you don’t have an existing keypair, in the Select an Existing Key Pair or Create a New

Key Pair box, select “Create a new key pair.” For the key pair name, enter:

Lab625-key

Click the Download Key Pair button.

Save this private key file in a secure and accessible location on your computer. You will not

be able to download it again from Amazon. You will need this key for future lab activities in

LAB 625. Do not share this key file with anyone else since it will permit that person to

manage your Amazon instances.

Save the key as the following file name on your computer:

Lab625-key.pem

 

  1. Accept all other defaults, check the acknowledgement at the bottom, and click Create

Launch Configuration

 

  1. You will be kicked out to your Launch Configuration console, in which you can select your

launch configuration and click on Create Auto Scaling Group in Actions drop-down.

 

  1. In the new Auto Scaling Group wizard, first give your group a name, like LAB625-ASG. on

the Network screen, pick the us-east-1a default subnet. On the Load Balancing – optional

screen, click No Load Balancer at this time (you will create it afterwards), and check “Enable

group metrics collection within CloudWatch” in the Additional settings – optional – Monitoring

section at the bottom. On the next screen – Group Size – set the Desired capacity to 2,

Minimum to 1, and Maximum to 2. On the following screens accept all other defaults, and on

the Review screen click on Create Auto Scaling Group. Wait till your instances are up and

running as seen in Instances screen of EC2 service.

 

  1. Click on the Instances link on the left side of the screen.

 

Create Load Balancer

  1. Now you can create your load balancer. If you are not already there, log into the AWS

console, and click on EC2.

 

  1. Click on Load Balancers under Load Balancing on the left menu.

 

  1. Click Create Load Balancer.

 

  1. Under Classic Load Balancer at the bottom of Select load balancer type screen, click

Create.

 

  1. On the screen labeled Step 1: Define Load Balancer Screen, enter the following:

Load Balancer name: LAB625-LB

Leave all of the other settings as defaults (indicated below):

Create LB inside: DEFAULT SETTING

Create an internal load balancer: Unchecked

Enable advanced VPC configuration: Unchecked

Load balancer protocol: HTTP

Load balancer port: 80

Instance Protocol: HTTP

Instance port: 80

 

  1. Click Next: Assign Security Groups.

 

  1. On the screen labeled Step 2: Assign Security Groups, select the security group created for

your launch configuration in Step 9, and unselect any others.

 

  1. Click Next: Configure Security Settings on the screen labeled Step 3: Configure Security

Settings.

*Ignore the security warning. We are not using SSL in this course.

 

  1. Click Next: Configure Health Check.

 

  1. On the screen labeled Step 4: Configure Health Check, enter the following:

Ping Protocol: HTTP

Ping Port: 80

Ping Path: /index.html

Response Timeout: 5 seconds

Interval: 30 seconds

Unhealthy threshold: 2

Healthy threshold: 10

 

  1. Click Next: Add EC2 Instances.

 

  1. In the Add EC2 Instances screen, don’t add any instances at this time. They will be added

from your auto scaling group in the link step 39.

 

  1. Click Next: Add Tags.

Tagging helps you to manage your instances, images, and other resources in Amazon EC2.

To learn more about tagging, you can explore the Tagging Your Amazon EC2 Resources

page.

 

  1. On the screen labeled Step 6: Add Tags, enter the following:

Key: Name

Value: Webserver

 

  1. Click Review and Create.

 

  1. On the Step 7: Review screen: Click Create.

 

  1. On the Load Balancer Creation Status screen, click Close.

 

  1. You will now link your load balancer to your auto scaling group. Go to the Auto Scaling

Groups console, select your group, and in the Details tab, scroll down to the Load balancing

section, click on Edit and select your Classic load balancer LAB625-LB. Click Update.

 

  1. Go back to the Load Balancer console and look for the DNS name for your new load

balancer.

EXAMPLE: LAB625-LB-1234567890.us-east-1.elb.amazonaws.com

 

Configure Security

  1. To add a security rule to allow an HTTP connection to our instances, start by going to the

Security Groups menu in the AWS console, and click on it.

 

  1. Under Security Groups, select the security group associated with the Launch Configuration

of your Auto Scaling Group, and in the Actions menu click on Edit inbound rules.

 

  1. Add a new rule for HTTP with the following settings:

Type: HTTP

Protocol: TCP

Port Range: 80

Source: Anywhere

Add a new rule for SSH with the following settings:

Type: SSH

Protocol: TCP

Port Range: 22

Source: Anywhere

  1. Click Save Rules.

 

  1. Go to the Instances menu, in the AWS console, and click on Instances.

 

  1. Under Instances, locate the Public IP Address for your instances.

EXAMPLE: 64.23.23.43

 

 

STEP 2: Test Web Services Migration

 

In the previous step, you built out infrastructure on AWS as a proof of concept to support BallotOnline’s website.

 

Now, you will configure the EC2 instances with NGIX, a widely used web service and test the migration of the BallotOnline web site to these EC2 instances.

 

BallotOnline is concerned about performing an actual migration, so you will instead deploy the company’s website code to the web servers that you configured in the previous step. The current webmaster of the BallotOnline website has provided you with the files to migrate to AWS.

 

Lab 2: Web Services Test Migration Lab

 

Overview

In this lab, you will configure the new BallotOnline web servers and migrate the BallotOnline website. You will build out new web services on each of your AWS EC2 instances and migrate the BallotOnline website to them.

 

After you complete this lab, you will have two web server instances behind a load balancer with auto-scaling enabled. This permits the website to remain available even if one of your instances is down for maintenance.

 

Connect to Your Instances

  1. Log in to your AWS Academy.

 

  1. Go to your LAB 625 classroom.

 

  1. Click on the AWS Console button and go to EC2 (Amazon Elastic Compute Cloud).

 

  1. Click on the Instances link on the left side of the screen.

 

  1. Click the checkbox to the left of your first instance and then click the Connect button above your instance list.

 

  1. You will see a screen that enables you to connect to your instance either using a Java SSH client or a standalone SSH client. For this step, you will follow the instructions provided by Amazon for your specific instance. If you are on a pre-Windows 10 computer, you will use PuTTY. If you are on a Windows 10, Mac or Linux computer, you will use the built-in SSH command.

 

Below are the specific instructions to use PuTTY to connect to your EC2 instance from a pre-Windows 10 system.

 

Download PuTTY (pre-Windows 10) or Use SSH (Windows 10/Linux/Mac OS)

  1. Here, your instructions will vary depending on your operating system. If you are using Windows, follow the steps for installing PuTTY. If you are using Mac or Linux, follow the instructions for using SSH on Mac or Linux. Click the left side of the panel for Windows PuTTY instructions or Mac or Linux SSH instructions. If you are using Windows prior to Version 10, follow the steps for installing PuTTY. If you are using Windows 10, Mac, or Linux, follow the instructions for using SSH on Windows 10, Mac or Linux.

 

Installing Security Updates

  1. If you get prompted to install security updates, do so by typing:

 

sudo yum update

 

The instructions are for updating the yum installer. The sudo command is used to perform the update as a superuser.

 

Whenever you are entering commands, pay close attention to the spelling and spacing. If you get error messages, it’s probably because the command is not typed correctly.

 

Notice that there are spaces between commands. We typed sudo [space] yum [space] update.

 

  1. You will get a confirmation prompt. Type the following:

 

y

 

and press Enter.

 

When the installation is complete, you will see “Complete!” on the screen as shown below.

 

A screenshot of ec2 shell showing “Complete!”

Once the yum installer is updated, you will install nginx, which is a web server software for Linux.

 

Install nginx

  1. Install the nginx web server on the instance. To do this, type the following in the command line:

 

 sudo amazon-linux-extras install nginx1

Then, press Enter or Return.

 

  1. You will be prompted with: Is this ok [y/d/N]:

 

Again, enter the following in the command line:

 

y

Then, press Enter or Return.

 

Upon successful completion of the installation, you will again see “Complete!” on the screen.  If you did not get this, double check your commands to make sure you have typed them in correctly.

 

  1. Create a directory for the BallotOnline website data:

 

sudo mkdir –p /data/www

Press Enter or Return.

 

  1. Copy the BallotOnline website from the legacy BallotOnline website URL. First, you will switch to the directory that you just created:

 

cd /data/www

  1. Next, you will download the website files from the legacy web server. The files have been compressed into website.zip and the URL is www.ballotonline.biz/website.zip.

 

Enter the following in the command line and then press Enter or Return.

 

sudo wget www.ballotonline.biz/website.zip

  1. Now, you will unzip the file into the /data/www/BallotOnline directory.

 

Enter the following in the command line and then press Enter or Return.

 

sudo unzip website.zip -d /data/www/BallotOnline

  1. Check to make sure that the website files were downloaded to the /data/www/BallotOnline directory by entering the following in the command line and then pressing Enter or Return.

cat /data/www/BallotOnline/index.html

You now should see html code similar to the screen below, starting with <!DOCTYPE html>

 

A screenshot of the content of the index.html file.

Update Website Permissions

  1. Change the permissions on the website files to make them less restrictive by entering the following in the command line and then pressing Enter or Return.

 

sudo chmod -R 755 /data/www/BallotOnline

Replace the default nginx configuration file (located in /etc/nginx/nginx.conf) with the one that is provided within the zip file that you have downloaded and unzipped.

 

Enter the following in the command line and then press Enter or Return.

 

sudo mv /etc/nginx/nginx.conf /etc/nginx/nginx.conf.old

You can confirm that the nginx.conf is no longer there by typing this command and then pressing Enter or Return.

cat /etc/nginx/nginx.conf

Note: You should receive an error “No such file or directory”

 

  1. For the next line, you will copy the nginx.conf that we have downloaded as part of the website.zip file to the correct location.

 

Enter the following in the command line and then press Enter or Return.

 

sudo cp /data/www/BallotOnline/nginx.conf /etc/nginx/

You should now have a file named nginx.conf in the /etc/nginx directory.

 

To double-check, type the following in the command line and then press Enter or Return.

 

cat /etc/nginx/nginx.conf

You should see the content of nginx.conf from the /etc/nginx directory.

 

  1. Start nginx by entering the following in the command line and then press Enter or Return.

 

sudo nginx

Note: If you already started nginx for some reason, then you must reload the configuration with: sudo nginx –s reload.

 

Test the Web Server

  1. Go to the Public IP Address for Instance 1 that is in your lab report via a web browser to see if you can access the index.html file:

 

http://NN.NN.NN.NN/index.html

21.After you’ve made sure your instance is configured correctly and serves the BallotOnline web page, you will create the AMI (Amazon Machine Image) from the instance.

 

In the Instances list of the EC2 service dashboard, select your instance, and then click on Actions – Images and Templates – Create Image.

 

In the Create Image screen, put in a name of LAB 625 P3 Web Server Image, and click Create Image at the bottom. Your image will be created. You can verify it by clicking on AMI under Images on the left in the dashboard.

 

  1. In AWS Academy student accounts, instances are stopped when your session ends. If an instance belongs to an auto-scaling group, the auto-scaling service will mark the stopped instance as Unhealthy, remove it from the group, terminate it, and provision a new instance in its place (in our case, using the Launch Configuration created in Project 3 Step 1 with plain Linux image, without nginx and the BallotOnline website installed).

 

To remedy this, you will create a new Launch Configuration specifying the AMI created above and starting nginx upon initial instance launch. You will then update your auto-scaling group so that it uses the new launch configuration

 

In the EC2 dashboard, under Auto Scaling, click on Launch Configurations, and then on Create Launch Configuration. Give it a name like LAB 625 Lab New, and for Amazon Machine Image drop down the list and select your newly created LAB 625 P3 Web Server Image. You should find it among Owned By Me images.

 

For Instance Type, select t2.micro, as before. Under Additional Configuration – Optional, check the box to enable Enable EC2 instance detailed monitoring with CloudWatch. Then, in the drop down Advanced details, and under User Data, click on As Text and enter the following two lines in the box:

 

screenshot of text entered into the User Data box (with the “As text” option selected) that reads #!/bin/bash on the first line and nginx on the second line

Source: Amazon

 

This will ensure nginx is started up at each instance launch. User Data commands are run as a super user, so no need for sudo. See User Data for more information.

 

Scroll down to Security Groups, click on Select an Existing Security Group, and choose the auto-scaling security group you created in Project 3 Step 1, with SSH and HTTP inbound rules.

 

For key pair, select again your key pair you created in Step 1 of Project 3, making sure you have the private key file (.pem) handy. Double check everything. Check the Acknowledgement at the bottom, and then click on Create Launch Configuration. Verify that it shows in the Launch Configurations list under Auto Scaling.

 

Step 3: Prepare a Test-Environment Monitoring Dashboard

In this step, you will learn how AWS CloudWatch can be used to monitor system performance. You will create a CloudWatch dashboard in this step to monitor the resources in your test environment.

 

In addition to system performance, cloud users can also monitor their billing charges being accrued as cloud resources are provisioned and used. AWS provides a special set of metrics for monitoring billing charges, which can be used to set up a billing dashboard. You will not work with billing dashboards in this course, but it is worthwhile to know what they are and how to use them.

 

Lab 3: Prepare Measurements and Dashboard

 

Set Up Amazon CloudWatch Service Dashboard for BallotOnline

Now you will configure the CloudWatch Service dashboard for BallotOnline.

  1. If you are not already logged in, sign in to the AWS CloudWatch Console again.

 

  1. Click the Dashboards menu on the left.

 

  1. Click on the BallotOnline-Dashboard link.

 

  1. Click on Add widget.

 

  1. On the Add to this dashboard screen, select Number and then click Configure.

 

  1. At the top of the screen, select 1d.

 

  1. At the top left of the screen, click on the pencil icon next to Untitled graph and type the

following:

BallotOnline Load Balancer Stats

Click the checkmark icon to save the change.

 

  1. On the Add metric graph screen, you will be adding several metrics. The first metric that

you will add is for the Elastic Load Balancer.

 

  1. Click on the ELB link.

 

  1. Scroll down and click on Per-LB Metrics.

You will need to select the checkbox for the following metrics (skip the metric if you do not

see it in the Per-LB metrics list):

Metric Purpose

☑”#$ HealthyHostCount Displays the number of healthy EC2 instances in the load

balancer pool

☑”#$

EstimatedALBActiveConnectionCount

Displays the number of active connections to the load

balancer

☑”#$ UnHealthyHostCount Displays the number of unhealthy EC2 instances in the load

balancer pool

☑”#$ HTTPCode_ELB_5XX Displays the number of HTTP 5xx codes returned by the

load balance

☑”#$ HTTPCode_Backend_4XX Displays the number of HTTP 4xx codes returned by the

load balancer

 

  1. Click Create Widget.

 

  1. Click on the BallotOnline-Dashboard link.

 

  1. Click on Add Widget.

 

  1. On the Add to this dashboard screen, select Line and then click Configure.

At the top of the screen, select 1d.

 

  1. At the top left of the screen, click on the pencil icon next to Untitled graph and type the

following:

BallotOnline Load Balancer Graph

Click the checkmark icon to save the change.

 

  1. On the Add metric graph screen, you will be adding several metrics. The next metric that

you will add is for the Elastic Load Balancer.

 

  1. Click on the ELB link.

 

  1. Scroll down and click on Per-LB Metrics.

You will need to select the checkbox for the following metrics (skip the metric if you do not

see it in the Per-LB metrics list):

Metric Purpose

☑”#$ HealthyHostCount Displays the number of healthy EC2 instances in the load

balancer pool

☑”#$

EstimatedALBActiveConnectionCount

Displays the number of active connections to the load

balancer

☑”#$ UnHealthyHostCount Displays the number of unhealthy EC2 instances in the load

balancer pool

☑”#$ HTTPCode_ELB_5XX Displays the number of HTTP 5xx codes returned by the

load balancer

☑”#$ HTTPCode_Backend_4XX Displays the number of HTTP 4xx codes returned by the

load balancer

 

  1. Click Create Widget.

 

  1. On the Dashboard screen, select the bottom right corner of that graph that you just created

and drag to enlarge until the graph is the same size as the stats window above.

 

  1. Click Add Widget.

 

  1. On the Add to this dashboard screen, select Number, and then click Configure.

 

  1. At the top of the screen, select 1d.

 

  1. At the top left of the screen, click on the pencil icon next to Untitled graph and type the

following:

BallotOnline Auto-Scaling Group Metrics

Click the checkmark icon to save the change.

 

  1. On the Add metric graph screen, you will be adding several metrics. The next metric that

you will add is for the Auto Scaling Group.

 

  1. Click on the EC2 link.

 

  1. Click on By Auto Scaling Group.

You will need to select the checkbox for the following metrics:

Metric Purpose

☑”#$ NetworkOut Displays the outbound network traffic

☑”#$ NetworkIn Displays the inbound network traffic

☑”#$ CPUUtilization Displays the CPU utilization for the entire auto-scaling group

Click Create Widget.

 

  1. Click on BallotOnline-Dashboard.

 

  1. Click Save Dashboard.

 

  1. Click 1d on the upper right. This is to select that you want to see one-day worth of

monitoring.

 

  1. Select at least three other metrics to add to your dashboard and follow the same basic

instructions as above to add them. You may add metrics and display them as line, stacked,

or number graphs. You may add the same metrics as in the steps above, but you need to

display them using a different graph type (i.e., if they are a number graph, then you need to

display as either line or stacked).

 

Step 4: Cause Site Outages and Report Results

 

Part of the development process includes anticipating possible problems that may come up, testing them, and capturing the results in the monitoring dashboard. In order to do that, you will perform another lab.

 

Lab 4 Cause Site Outages and Report Results

 

You are required to submit a lab report to the assignment dropbox in Project 3, Step 4. Throughout

the steps below within this lab, you will see indicators labeled with LAB REPORT. At those points,

you should incorporate an item from that step into your report.

Examples include screenshots of your progress, URLs for running AWS instances, and summaries

of your progress.

 

Write a paragraph in your lab report summarizing what you expect to get out of this lab assignment,

how you expect it to help you in the Cloud Computing program at UNIVERSITY, and whether you foresee

complications in completing the labs.

 

  1. In a web browser, log in to your AWS Academy LAB 625 classroom, click on the “AWS

Console” button, and select the CloudWatch service.

If your AWS resources do not appear, check to see if the correct region is selected. If not,

use the navigation bar to change the region to the region where your AWS resources are

located.

 

  1. Click the Dashboards menu on the left.

 

  1. Click on the BallotOnline-Dashboard link, and you should see a screen like the one below.

Used with permission from Amazon Web Services.

 

LAB REPORT

Take a screenshot of your CloudWatch dashboard before proceeding and insert it into your

lab report. You should also write a paragraph explaining how you expect your CloudWatch

dashboard to be affected by the activities in this lab.

 

  1. Go to the BallotOnline New Web Service URL from your Project 2 Lab Report.

Example:

http://LAB625-LB-1234567890.us-east-1.elb.amazonaws.com

 

  1. Now, to generate traffic and errors, you are going to append a nonexistent web page to the

end of the BallotOnline New Web Service URL from the previous step.

Example:

http://LAB625-LB-1234567890.us-east-1.elb.amazonaws.com/this-page-does-not-exist.html

LAB REPORT

Take a screenshot of the results that you receive in your browser and insert it into your lab

report.

 

  1. Monitor your CloudWatch Dashboard while you refresh your browser window for the above

nonexistent webpage 20 times.

 

  1. On your CloudWatch dashboard window, click on the Refresh icon.

You should see the following types of changes in your dashboard:

EstimatedALBActiveConnectionCount should substantially increase.

HTTPCode_Backend_4XX count should increase.

LAB REPORT

Take a screenshot of the dashboard and insert it into your lab report. Write a paragraph

explaining why the dashboard changed and provide some examples of other activities that

could affect the dashboard.

 

  1. Using the SSH connection to your EC2 instance, run the following command to check that

nginx is running on each instance:

netstat -an | grep 80 | grep LISTEN

You should see the following output:

TCP 0 0.0.0.0:80 0.0.0.0:* LISTEN

 

  1. Stop the nginx server on one of your instances by entering the following in the command

line:

sudo nginx -s stop

 

  1. Run this command to check that nginx is down and nothing is listening on port 80:

netstat -an | grep 80 | grep LISTEN

You should not see any output from the above command.

 

  1. Go to your CloudWatch dashboard and click on the Refresh button. You should see

UnHealthyHostCount increasing as in the screenshot below. If you don’t see any change,

wait a few minutes, and click on Refresh again. It may take a few minutes for CloudWatch to

scan the systems.

Used with permission from Amazon Web Services.

Use the mouse to zoom in on the graph to look at it in more detail:

 

  1. Now, you are going to go to the BallotOnline New Web Service URL from the previous step

(the Load Balancer URL) to confirm that the site is still available with one instance down.

Example:

http://LAB625-LB-1234567890.us-east-1.elb.amazonaws.com/index.html

If you can successfully connect to the BallotOnline website, then your load balancer is

working properly.

 

LAB REPORT

Take a screenshot of your CloudWatch dashboard and the BallotOnline website (including

the URL) and insert it into your report along with your observations during this portion of the

lab.

 

  1. Now, you will take down your other instance to generate a complete failure scenario.

 

  1. Run this command to check that nginx is running on your other instance (remember we

have stopped it on one of our instances):

netstat -an | grep 80 | grep LISTEN

You should see the following output:

 TCP 0 0.0.0.0:80 0.0.0.0:* LISTEN

 

  1. Stop the nginx server on one of your instances with:

sudo nginx -s stop

 

  1. Run this command to check that nginx is down and is no longer listening:

netstat -an | grep 80 | grep LISTEN

You should not see any output from the above command.

 

  1. Now, you are going to go to the BallotOnline New Web Service URL from the previous step

to confirm that the site is no longer available with both instances down.

Example:

http://LAB625-LB-1234567890.us-east-1.elb.amazonaws.com/index.html

If you can no longer connect to the BallotOnline website, then you have successfully caused

a complete outage of the site by shutting down the service on both instances.

 

  1. Go to your CloudWatch dashboard and select custom from the menu at the upper right.

Select 1 Minutes.

Used with permission from Amazon Web Services.

Click on the Refresh button.

You should see the UnhealthyHostCount equal to the number of instances that you have,

and the HealthyHostCount as 0.

From a service-level perspective, it is important that you always have instances available

behind your load balancer. For this lab, we only have two instances, so you can lose one of

them and still maintain availability of the service.

 

LAB REPORT

Take a screenshot of your CloudWatch dashboard and analyze what actions you could take

to minimize the likelihood of outages and ensure compliance with your service-level

requirements. Your analysis should be at least two paragraphs in length.

Now that you’ve successfully caused a service outage, and seen what it can do to your site,

you can stop and terminate your AWS infrastructure. Remember, billing continues

until you terminate your infrastructure.

Get The Overcrowded Lifeboat Homework Help Here!!

Stop and Terminate AWS Infrastructure

Warning: Do not perform the steps in this section until you are finished with all the labs in

Project 3, have submitted all your lab reports, and have a grade that meets project

requirements.

 

  1. Go to the AWS CloudWatch Console.

 

  1. Click on Dashboards.

 

  1. Click on each of your dashboards, then click Actions: Delete Dashboard, and then confirm

with Delete Dashboard.

 

  1. Go to the EC2 console by selecting EC2 from the Services menu at the top of your window.

 

  1. Click on Auto Scaling Groups on the left.

 

  1. Select your LAB625-Lab-Scaling-Group autoscaling group.

 

  1. Click on the Actions: Delete menu.

 

  1. Confirm that you wish to delete your auto-scaling group with Yes, Delete.

 

  1. Click on Instances on the left.

 

  1. Click on each of your instances and then go to Actions: Instance State: Terminate. When

prompted, click Yes, Terminate. Repeat for both instances.

 

  1. Click on Load Balancers on the left.

 

  1. Click on your load balancer (LAB625-LB), and then go to Actions: Delete

 

Step 5: Submit Final Report to Executive Management

 

In the previous step, you performed a test migration of BallotOnline’s web services to AWS. Now, you will document the lessons learned during the buildout of the AWS environments and your test migration in your final report to BallotOnline management.

 

Here are some areas to consider:

 

What challenges did you encounter while building out the AWS environment?

Did you encounter any errors while building out the AWS environment? If so, elaborate.

Did you encounter any issues while testing the migration? If so, elaborate.

Compile a final report for management that includes an executive summary, all lab reports, and lessons learned, and a summary of the lessons learned from the project.

 

Use the Final Report to Executive Management Template to submit your work to the assignment dropbox below.

 

Step 5: Submit Final Report to Executive Management

 

In the previous step, you performed a test migration of BallotOnline’s web services to AWS. Now, you will document the lessons learned during the buildout of the AWS environments and your test migration in your final report to BallotOnline management.

 

Here are some areas to consider:

 

  • What challenges did you encounter while building out the AWS environment?
  • Did you encounter any errors while building out the AWS environment? If so, elaborate.
  • Did you encounter any issues while testing the migration? If so, elaborate.

 

Compile a final report for management that includes an executive summary, all lab reports, and lessons learned, and a summary of the lessons learned from the project.

 

Use the Final Report to Executive Management Template to submit your work to the assignment dropbox below.

 

Executive Summary

An executive summary, as described by the Writing Center at University, “summarizes or reviews the main points of a longer document or report for a reader that does not have time to read the entire report. An effective executive summary analyzes and summarizes the most important points in the paper or report, and will often make a recommendation based on the analysis. Executive summaries are ‘stand-alone’ documents that are almost always read independently of the reports they summarize” (UNIVERSITY, n.d.).

 

In a workplace setting, an executive summary is the mechanism by which you will attract an executive’s attention and should concisely summarize the materials that you are presenting.

 

While there isn’t a single acceptable format, an executive summary briefly (one to two pages) addresses these critical areas:

 

  • The first paragraph needs to attract attention and get the executive to read the rest of the summary.
  • Bullet points and concise language should be used to articulate ideas.
  • What is unique about the summary that provides compelling information for an executive to review?
  • Here is a recommended structure for an executive summary:
    • Introduction (capture the executive’s attention)
    • Articulate the problem
    • Recommend the solution
    • Explain why this is important to do now. Convey a sense of urgency.
  • Use appropriate language for executives and avoid technical jargon unless it is define in the summary.
  • Avoid using personal pronouns such as “we, our, my, us” and instead use a more general “the company.”
  • Avoid claims that can’t be backed up—i.e., things like “cutting-edge,” “world-class,” “innovative,” etc.

 

 

Final Report to Executive Management

Your final report should be eight to 12 pages in length in either Microsoft Word or PDF. The report should contain the following headings:

  • Executive summary (1 page)
  • Lab results (4–8 pages)
  • Build AWS Migration Environment and Configure Web Services
  • Test the Migration Environment
  • Prepare Cloud Test Environment Monitoring Dashboard
  • Cause Site Outages and Investigate Results in Monitoring Dashboard
  • Lessons learned (1–2 pages)
  • Feasibility of cloud environment for BallotOnline web services deployment (1–2 pages)

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