Get an empty list of firewallRules when querying a postgres instance through a AzureFunction

• Package Name: @azure/arm-postgresql
• Package Version: 6.0.0
• Operating system: MacOS
• nodejs
  • version: v14.18.3
• browser
  • name/version:
• typescript
  • version: 4.4.2
• Is the bug related to documentation in
  • README.md
  • source code documentation
  • SDK API docs on https://docs.microsoft.com

Describe the bug I’m trying to get the list of firewall rules on a Postgres Instance in Azure, using the azure-js-sdk. Locally it works like a charm, I’ve got the list of firewall rules from my selected postgres instance. When I launch this process in an Azure function, targetting the same postgres instance, the firewall rules list is always empty, and there is no error message or exception thrown.

To Reproduce Steps to reproduce the behavior: Code which work locally

  ...
   const azureCredential = new DefaultAzureCredential();
   const subscriptionClient = new SubscriptionClient(azureCredential);
   const postgresCli = new PostgreSQLManagementClient(azureCredential, 'mySubscriptionId');
   const fwRules = postgresCli.firewallRules.listByServer('myResourceGroup', 'myServerName');

   for await (const fwRule of fwRules) {
      context.log.info('in the for of fwRules');
      context.log.info('DELETING ', fwRule.name, ' in ', azResourceGroup);
      ...
   }

Code which return a empty firewall rules list in a Azure function

index.ts

const httpTrigger: AzureFunction = async function (context: Context, req: HttpRequest): Promise~void~ {
    try {
      const azureCredential = new DefaultAzureCredential();
      const subscriptionClient = new SubscriptionClient(azureCredential);
      const postgresCli = new PostgreSQLManagementClient(azureCredential, 'mySubscriptionId');
      const fwRules = postgresCli.firewallRules.listByServer('myResourceGroup', 'myServerName');

      for await (const fwRule of fwRules) {
         context.log.info('in the for of fwRules');
         context.log.info('DELETING ', fwRule.name, ' in ', azResourceGroup);
         ...
      }
    }
    catch (e) {
        context.log.error(e);
        context.res = { status: 500, body: 'Internal Server Error' };
    }
};
function.json

    'bindings': [
    {
      'authLevel': 'function',
      'type': 'httpTrigger',
      'direction': 'in',
      'name': 'req',
      'methods': [
        'get'
      ]
    },
    {
      'type': 'http',
      'direction': 'out',
      'name': 'res'
    }
  ],
  'scriptFile': '../target/foobar/index.js'

Expected behavior I expect to get the same list of firewall rules when i run my program locally or in an azure function.

Screenshots N/A

Additional context N/A

[qiaozha]

Thanks for reporting this, I will take a look.

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