Fix envvar handling in deploy_stack.ps1

[johnmccabe]

Description

Adds the missing $env:BASIC_AUTH and $env:AUTH_URL envvars to the windows deploy_stack.ps1 script.

Motivation and Context

Fixes #1308

• I have raised an issue to propose this change (required)
• My issue has received approval from the maintainers or lead with the design/approved label

How Has This Been Tested?

Deployed both with and without auth on Windows 10.

With auth - verified by logging in via incognito browser and confirming prompt for basic auth creds.

PS D:\workspace\github\openfaas\faas> powershell -ExecutionPolicy Bypass -File .\deploy_stack.ps1      
Attempting to create credentials for gateway..
[Credentials]
 username: admin
 password: 2a92d6f29b7a70495b9d25519c75b8d2612a9a61784fa56073931867de39f158
 Write-Output "2a92d6f29b7a70495b9d25519c75b8d2612a9a61784fa56073931867de39f158" | faas-cli login --username=admin --password-stdin

Enabling basic authentication for gateway..

Deploying OpenFaaS core services
Creating config func_alertmanager_config
Creating config func_prometheus_config
Creating config func_prometheus_rules
Creating service func_queue-worker
Creating service func_prometheus
Creating service func_alertmanager
Creating service func_gateway
Creating service func_basic-auth-plugin
Creating service func_faas-swarm
Creating service func_nats

With auth - verified by logging in via incognito browser and confirming no prompt for basic auth creds.

PS D:\workspace\github\openfaas\faas> powershell -ExecutionPolicy Bypass -File .\deploy_stack.ps1 -noAuth
Attempting to create credentials for gateway..
[Credentials]
 username: admin
 password: 643b6df63088dacc539fd7150e114de5698ef02b5b7dd87b41c115cc756ef904
 Write-Output "643b6df63088dacc539fd7150e114de5698ef02b5b7dd87b41c115cc756ef904" | faas-cli login --username=admin --password-stdin

Disabling basic authentication for gateway..

Deploying OpenFaaS core services
Creating config func_prometheus_rules
Creating config func_prometheus_config
Creating service func_faas-swarm
Creating service func_queue-worker
Creating service func_prometheus
Creating service func_alertmanager
Creating service func_gateway
Creating service func_basic-auth-plugin

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I've read the CONTRIBUTION guide
• I have signed-off my commits with git commit -s
• I have added tests to cover my changes.
• All new and existing tests passed.

[rgee0]

LGTM

[alexellis]

Looks good