AzureCloudComputing

Scripts for our cloud computing class using Microsoft Azure cloud platform.

The user can upload an *.wav and select an input language and receive the corresponding speech-to-text result of their audio file through email.

The webapp adds the new job to the job queue where worker VMs periodically process jobs from the queue.

Azure services used:

- Load balancer
- Webapp scaleset
- job Queue
- Blob Storage
- Worker scaleset
- Azure Speech Service
- Email service

Webapp service

sudo vim /usr/lib/systemd/system/webapp.service

    [Unit]
    Description=flask webapp
    [Install]
    WantedBy=multi-user.target
    [Service]
    User=root
    WorkingDirectory=/opt/AzureCloudComputing/webserver
    ExecStart=sudo python3 worker.py
    Restart=always

sudo systemctl daemon-reload

sudo systemctl enable webapp

sudo systemctl start webapp

Worker service:

sudo vim /usr/lib/systemd/system/worker.service

    [Unit]
    Description=python worker
    [Install]
    WantedBy=multi-user.target
    [Service]
    User=root
    WorkingDirectory=/opt/AzureCloudComputing/worker
    ExecStart=sudo python3 worker.py
    Restart=always

sudo systemctl daemon-reload

sudo systemctl enable worker

sudo systemctl start worker