Introduction

In this exercise, you'll clone a GIT repository and run a script that sets-up an Azure Spring Apps application and Azure Database for MySQL. The script deploys a well-known PetClinic microservice application and is built around small independent services, communicating over HTTP via a REST API.

The sample microservice application

The PetClinic application is decomposed into four core microservices. All of them are independently deployable applications organized by business domains.

• Customers service: Contains general user input logic and validation including pets and owners information (Name, Address, City, Telephone).
• Visits service: Stores and shows visits information for each pets' comments.
• Vets service: Stores and shows Veterinarians' information, including names and specialties.
• API Gateway: A single entry point into the system, used to handle requests and route them to an appropriate service, and aggregate the results.

Set up the sample microservice application

In a web browser, open https://shell.azure.com and select "Bash" mode in the top right-hand side. Next, run the following command to clone the sample repository and open the built-in the Azure editor:

git clone https://github.com/MicrosoftDocs/mslearn-monitoring-java
cd mslearn-monitoring-java
code deployPetClinicApp.sh

Setup and run the Setup script

When you run the above command, a window will pop up with the file 'deployPetClinicApp.sh' ready to be edited in the built-in Azure editor.

1. Edit the variables in the deployPetClinicApp.sh and customize the following parameters for your environment:

Variable	Description
resource_group	Provide a new or existing resource group name
region	The Azure region you'll use. You can use westeurope by default, but we recommend that you use a region close to where you live and that also support Azure Spring Cloud. To see the full list of available regions, see the Summary unit at the end of this module
spring_apps_service	Name of your Azure Spring Apps instance
mysql_server_name	The name of your MySQL server. It should be unique across Azure
mysql_server_admin_name	Username for the MySQL Administrator. The admin name can't be "azure_superuser", "admin", "administrator", "root", "guest, or "public"
mysql_server_admin_password	A new password for the server admin user. The password must be 8 to 128 characters long and contain a combination of uppercase or lowercase letters, numbers, and non-alphanumeric characters (!, $, #, %, and so on).
log_analytics	Name of your Azure Log Analytics workspace

2. Save the file by selecting the ... action panel in the top right of the editor and select "Save".

3. Close the editor - open the ... action panel in the top right of the editor and select "Close Editor".

4. Don't close the Azure Cloud Shell, as next, we'll run the setup script.

Run the setup script

The script takes 15-30 minutes to run and includes the creation of an Azure spring Cloud and a MySQL instance. This sample script also populates some sample data for the monitoring logs, traces, and metrics.

In the already open Azure Cloud Shell, run the below shell script. Leave the browser window and Azure Cloud Shell open while running. Store the URL when the script completes:

bash deployPetClinicApp.sh

In a web browser, navigate to the URL of your returned by the script to open the Pet Clinic microservice application.

Contributing

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