`az.cmd` can't handle arguments with a `@()`

[mgrandi]

Describe the bug

the az.cmd batch script that wraps python.exe and passes in the correct arguments to start azure.cli seemingly cannot handle arguments with a @() in them

my example is with az webapp config connection-string set because that is where I found it, but it most likely impacts every command

example:

PS C:\Users\mgrandi> # verify we have no existing connection strings in our web app
PS C:\Users\mgrandi> az webapp config connection-string list --resource-group "mgrandi-rg" --name "mgrandi-webapp"
[]

PS C:\Users\mgrandi> # try and set a connection string with a `@()` in it as the value
PS C:\Users\mgrandi> az webapp config connection-string set --connection-string-type custom --name mgrandi-webapp --settings "TestKey=@Microsoft.KeyVault(SecretUri=https://html5zombo.com)" --resource-group mgrandi-rg
--resource-group was unexpected at this time.
C:\Users\mgrandi>  "C:\Program Files (x86)\Microsoft SDKs\Azure\CLI2\wbin\\..\python.exe" -IBm azure.cli webapp config connection-string set --connection-string-type custom --name mgrandi-webapp --settings TestKey=@Microsoft.KeyVault(SecretUri=https://html5zombo.com) --resource-group mgrandi-rg
PS C:\Users\mgrandi> # note, the above is the entire output, i did not type that python.exe command

PS C:\Users\mgrandi> # verify still no connection strings
PS C:\Users\mgrandi> az webapp config connection-string list --resource-group "mgrandi-rg" --name "mgrandi-webapp"
[]

PS C:\Users\mgrandi> # try and set it with calling python.exe manually
PS C:\Users\mgrandi> & 'C:\Program Files (x86)\Microsoft SDKs\Azure\CLI2\python.exe' -IBm azure.cli webapp config connection-string set --connection-string-type custom --name mgrandi-webapp --settings "TestKey=@Microsoft.KeyVault(SecretUri=https://html5zombo.com)" --resource-group mgrandi-rg
  "TestKey": {
    "type": "Custom",
    "value": "@Microsoft.KeyVault(SecretUri=https://html5zombo.com)"
  }
}

PS C:\Users\mgrandi> # verify we have one connection string now
PS C:\Users\mgrandi> az webapp config connection-string list --resource-group "mgrandi-rg" --name "mgrandi-webapp"
[
  {
    "name": "TestKey",
    "slotSetting": false,
    "type": "Custom",
    "value": "@Microsoft.KeyVault(SecretUri=https://html5zombo.com)"
  }
]


PS C:\Users\mgrandi> # if we get rid of the ending ')' , it works
PS C:\Users\mgrandi> az webapp config connection-string set --connection-string-type custom --name mgrandi-webapp --settings "TestKey2=@Microsoft.KeyVault(SecretUri=https://html5zombo.com" --resource-group mgrandi-rg
{
  "TestKey": {
    "type": "Custom",
    "value": "@Microsoft.KeyVault(SecretUri=https://html5zombo.com)"
  },
  "TestKey2": {
    "type": "Custom",
    "value": "@Microsoft.KeyVault(SecretUri=https://html5zombo.com"
  }
}


PS C:\Users\mgrandi> # should have 2 connection strings now
PS C:\Users\mgrandi> az webapp config connection-string list --resource-group "mgrandi-rg" --name "mgrandi-webapp"
[
  {
    "name": "TestKey2",
    "slotSetting": false,
    "type": "Custom",
    "value": "@Microsoft.KeyVault(SecretUri=https://html5zombo.com"
  },
  {
    "name": "TestKey",
    "slotSetting": false,
    "type": "Custom",
    "value": "@Microsoft.KeyVault(SecretUri=https://html5zombo.com)"
  }
]

Command Name
az webapp config connection-string set

Errors:

after running, you get this output to the powershell terminal

--resource-group was unexpected at this time.
C:\Users\mgrandi>  "C:\Program Files (x86)\Microsoft SDKs\Azure\CLI2\wbin\\..\python.exe" -IBm azure.cli webapp config connection-string set --connection-string-type custom --name mgrandi-webapp --settings TestKey=@Microsoft.KeyVault(SecretUri=https://html5zombo.com) --resource-group mgrandi-rg

To Reproduce:

Steps to reproduce the behavior. Note that argument values have been redacted, as they may contain sensitive information.

• run a command with a @() in it

Expected Behavior

it should pass the arguments to the python process and either work or not, depending on the arguments

Environment Summary

Windows-10-10.0.18362-SP0
Python 3.6.6
Installer: MSI

azure-cli 2.9.1

Additional Context

[Juliehzl]

Hi Mark Grandi (@mgrandi), this is powershell issue. If you use suuch command in cmd, it should work as expect.
In powershell, to resolve it please add --% after az, e.g.

az --% webapp config connection-string set --connection-string-type custom --name mgrandi-webapp --settings "TestKey=@Microsoft.KeyVault(SecretUri=https://html5zombo.com)" --resource-group mgrandi-rg

[mgrandi]

If it's powershell issue, then how come it works when I call python.exe directly?