Setup and installation of 'Salt-Stack DevOps Automation Powered by Semaphore UI' on GCP

This section describes how to provision and connect to ‘Salt-Stack DevOps Automation Powered by Semaphore UI’ VM solution on GCP.

1. Open Salt-Stack DevOps Automation Powered by Semaphore UI listing on GCP Marketplace.

2. Click Get Started.

It will ask you to enable the API’s if they are not enabled already for your account. Please click on enable as shown in the screenshot.

• It will take you to the agreement page. On this page, you can change the project from the project selector on top navigator bar as shown in the below screenshot.

• Accept the Terms and agreements by ticking the checkbox and clicking on the AGREE button.

• It will show you the successfully agreed popup page. Click on Deploy.

• On deployment page, give a name to your deployment.

• In Deployment Service Account section, click on Existing radio button and Choose a service account from the Select a Service Account dropdown.

• If you don't see any service account in dropdown, then change the radio button to New Account and create the new service account here.
• If after selecting New Account option, you get below permission error message then please reach out to your GCP admin to create service account by following Step by step guide to create GCP Service Account and then refresh this deployment page once the service account is created, it should be available in the dropdown.

You are missing resourcemanager.projects.setIamPolicy permission, which is needed to set the required roles on the created Service Account

• Select a zone where you want to launch the VM(such as us-east1-a)
• Optionally change the number of cores and amount of memory. ( This defaults to 2 vCPUs and 3.75 GB RAM)
• Optionally change the boot disk type and size. (This defaults to ‘Standard Persistent Disk’ and 30 GB respectively)
• Optionally change the network name and subnetwork names. Be sure that whichever network you specify has ports 22 (for ssh), 3389 (for RDP) and 443 (for HTTPS) exposed.
• Click Deploy when you are done.
• Salt-Stack DevOps Automation Powered by Semaphore UI will begin deploying.

3. A summary page displays when the compute engine is successfully deployed. Click on the Instance link to go to the instance page .

4. On the instance page, click on the “SSH” button, select “Open in browser window”.

5. This will open SSH window in a browser. Switch to ubuntu user and navigate to ubuntu home directory.

sudo su ubuntu

cd /home/ubuntu/

6. Run below command to set the password for “ubuntu” user

sudo passwd ubuntu

7. Now the password for ubuntu user is set, you can connect to the VM’s desktop environment from any local windows machine using RDP or linux machine using Remmina.

8. To connect using RDP via Windows machine, first note the external IP of the VM from VM details page as highlighted below

9. Then From your local windows machine, goto “start” menu, in the search box type and select “Remote desktop connection”

10. In the “Remote Desktop connection” wizard, paste the external ip and click connect

11. This will connect you to the VM’s desktop environment. Provide “ubuntu” as the userid and the password set in step 6 to authenticate. Click OK

12. Now you are connected to out of box Salt-Stack DevOps Automation Powered by Semaphore UI VM’s desktop environment via Windows machines.

13. To connect using RDP via Linux machine, first note the external IP of the VM from VM details page,then from your local Linux machine, goto menu, in the search box type and select “Remmina”.

    Note: If you don’t have Remmina installed on your Linux machine, first Install Remmina as per your linux distribution.

14. In the “Remmina Remote Desktop Client” wizard, select the RDP option from dropdown and paste the external ip and click enter.

15. This will connect you to the VM’s desktop environment. Provide “ubuntu” as the userid and the password set in step 6 to authenticate. Click OK

16. Now you are connected to out of box Salt-Stack DevOps Automation Powered by Semaphore UI VM’s desktop environment via Linux machine.

17. To access the Semaphore Web Interface, first reset semaphore admin password by running below command in the SSH terminal-

semaphore user change-by-login --login admin --password NEWPASSWORD --config /home/ubuntu/semaphore/config.json

Replace NEWPASSWORD with your desired password in above command.

18. Once Semaphore password is ready, copy the public ip of the vm from VM’s details page and paste it in the browser using https://VM_Public_IP. Make sure to use https and not http.

Browser will display a SSL certificate warning message. Accept the certificate warning and Continue.

19. Login with admin user and provide the password set in above step 17.

20. Now you are logged in to Semaphore Web Interface where you can manage salt-stack automation task.

21. The VM comes with various Salt models preconfigured out of the box for you. The Salt Configuration files are located at /etc/salt directory. You can access these files and folders from SSH or RDP sessions.

22. Salt master base repository for salt sls files is /srv/salt.

23. Semaphore config directory is /home/ubuntu/semaphore.

If you want to further configure SaltStack then please visit Configuring SaltStack page.

For more details on SaltStack or Semaphore please refer to Official Documentation Page