Add deployer() function to the Az namespace

[levimatheri]

Add deployer() function to Az namespace to return information about the principal that initiated the current deployment operation.

Linked discussion.
Closes #4959

Microsoft Reviewers: Open in CodeFlow

[github-actions]

Test this change out locally with the following install scripts (Action run 11922692159)

VSCode

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-vsix.sh) --run-id 11922692159

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-vsix.ps1) } -RunId 11922692159"

Azure CLI

• Mac/Linux

  bash <(curl -Ls https://aka.ms/bicep/nightly-cli.sh) --run-id 11922692159

• Windows

  iex "& { $(irm https://aka.ms/bicep/nightly-cli.ps1) } -RunId 11922692159"

[github-actions]

Dotnet Test Results

    72 files   -     36      72 suites   - 36   28m 48s ⏱️ - 11m 39s
11 394 tests  -     25  11 394 ✅  -     25  0 💤 ±0  0 ❌ ±0 
26 519 runs   - 13 255  26 519 ✅  - 13 255  0 💤 ±0  0 ❌ ±0 

Results for commit a562167c. ± Comparison against base commit 99579a9.

This pull request removes 1842 and adds 630 tests. Note that renamed tests count towards both.

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		nestedProp2: 2
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…

Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Bicep_compiler_handles_corrupted_extension_package_gracefully (\u001f�\u0008\u0000\u0000\u0000\u0000\u0000\u0000
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�0\u0010\u0006�=EO���5�{�^!h�\u0007M�\u000f,�w7]\u0008.Z��V0�2ÐɄ��;�o\u000bw(�k�����A`�\u001a=\u001f�F��\u0002\u000cH\u001bd,�g�dD״�\u000e�,q�\u000f\u00126q��,r$�`�2ɵ��D܄�~���յǼ�\u0017_�<?7�\u001f\u001aʩ��\u001f\u001a�z��o��S�\u0001\u0004CE(�2&$\u001f\u0008�\u0008�_$�����c�	�(��5<\u0001)z�\u0000\u000c\u0000\u0000,"The path: index.json was not found in artifact contents")
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Bicep_compiler_handles_corrupted_extension_package_gracefully (\u001f�\u0008\u0000\u0000\u0000\u0000\u0000\u0000
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��M\u0017��M\u001f�����L\u0012���޴[0\u0019Ԗ�(�k��F\u001d%D�z�	��~��j�\u0014B�\u001d}�\u001ewۘڍ2�^?�G�4y\u0001	�!���qH��K�r�t��b\���e\u0006-��[ٵ\u0017C�K\u001f�\u001b�y���[�i(��\u0003X(�R�!���.��d������������l\u0007�\u0011�`�O�j��l��y�t^uʖ\u0016\u0000\u000c\u0000\u0000,"Value cannot be null. (Parameter 'source')")
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Bicep_compiler_handles_corrupted_extension_package_gracefully (\u001f�\u0008\u0000\u0000\u0000\u0000\u0000\u0000
��M\u000b�0\u0018\u0007��\u0014�\u000f07�j�!�\u0011\u0016\u0004]c� \u0003-�@��7\u000f�E�\u0016��q{`�6�\u000f�w�Y\u0019���B\����а%\u0018�\o\u0011&\u0001�/\u0018`Ʌ\u0000\u00006�w��^պ��Lq�\u000f
\u0014�u���HJ��2��S�1Q3�w��#!���\u001ceEj\u001at��E[������N�����D��\u0003\u0006�\u000c �1!\u0004\u0001Xp����L�y�\u001f^�\u001c\u0016�xy\﷉7�v\u0002��'�q\u001cg|O�\u000cJ2\u0000\u000c\u0000\u0000,"'7' is an invalid end of a number. Expected a delimiter. Path: $.INVALID_JSON | LineNumber: 0 | BytePositionInLine: 20.")
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Bicep_compiler_handles_corrupted_extension_package_gracefully (\u001f�\u0008\u0000\u0000\u0000\u0000\u0000\u0000\u0003�Խ
�0\u0010\u0007��>E�\u0003�\��
�]\u0004\u0017\u001f �'Vl-m������T+�ߘ;�\u000b�\u001f���n�6úa��r��Ը��\u0018<��\u0004�\u0013'\K�i7�&\u0003�Mkk��7f���P��\u0005&�#�F+\u00133\u0013)��^�Z:V��V�=&y�a�Nͥ�ۋ�����x���f��?�\u0004q�\u0000DB(	@��\u0012\����?���\u0006�\u0012�
�\u0016�
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}\u0000\u000c\u0000\u0000,"Value cannot be null. (Parameter 'source')")
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Bicep_compiler_handles_corrupted_extension_package_gracefully (\u001f�\u0008\u0000\u0000\u0000\u0000\u0000\u0000\u0003��K
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}`,\u001aQ(�{�Ѕҍ�B�-3\u000c3a�y�����Ǣn�0�S��\u0006A����\u000052�\u0017`@Z\u0013cI?�&#���:��Ĭ\u001f$Lb��,r$�`(3�\u001b�\u0008p�	��d
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�T��\u001f�F���[3>�\u001f@0T�R�L���2���L�y�7��(���\u0004ک�\u0001\u0000\u000c\u0000\u0000,"The path: index.json was not found in artifact contents")
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Bicep_compiler_handles_corrupted_extension_package_gracefully (\u001f�\u0008\u0000\u0000\u0000\u0000\u0000\u0000\u0003���\u000b�0\u0014\u0007��+������2�\u0010t�\u0008\u000b��1R�@\u000b5\u0010�盇�tQ\u000b��=xo��#�N7�T'iY\u0011OI�\u001244j\u0008�:�[�$\u0002�B\u0011�\�j�\u000c>I�{U�Ҍ2E�\u001f�)��,OC�>P%�
�\u0002A\u0015��ܝ�� �7]�ìH҆\�kі�}��~�����������1dv\u0000��	\u000e�����\u0011O��?��É��b\u0013-���6v��l�o�dY�e��	�Q��\u0000\u000c\u0000\u0000,"'7' is an invalid end of a number. Expected a delimiter. Path: $.INVALID_JSON | LineNumber: 0 | BytePositionInLine: 20.")
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Repository_not_found_in_registry (ArtifactRegistryAddress { RegistryAddress = mcr.microsoft.com, RepositoryPath = unknown/path/az, ExtensionVersion = 0.0.0-placeholder },Azure.RequestFailedException: The artifact does not exist in the registry.
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 138
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 138,[(BCP192, Error, Unable to restore the artifact with reference "br:mcr.microsoft.com/unknown/path/az:0.0.0-placeholder": The artifact does not exist in the registry.)])
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Repository_not_found_in_registry (ArtifactRegistryAddress { RegistryAddress = mcr.microsoft.com, RepositoryPath = unknown/path/az, ExtensionVersion = 0.0.0-placeholder },Azure.RequestFailedException: The artifact does not exist in the registry.
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 138
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 138,[(BCP192, Error, Unable to restore the artifact with reference "br:mcr.microsoft.com/unknown/path/az:0.0.0-placeholder": The artifact does not exist in the registry.)])
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Repository_not_found_in_registry (ArtifactRegistryAddress { RegistryAddress = unknown.registry.azurecr.io, RepositoryPath = bicep/extensions/az, ExtensionVersion = 0.0.0-placeholder },System.AggregateException: Retry failed after 4 tries. Retry settings can be adjusted in ClientOptions.Retry or by configuring a custom retry policy in ClientOptions.RetryPolicy. (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443))
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 138
   at Bicep.Core.Registry.AzureContainerRegistryManager.<>c__DisplayClass4_0.<<PullArtifactAsync>g__DownloadManifestInternalAsync|0>d.MoveNext() in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 44
--- End of stack trace from previous location ---
   at Bicep.Core.Registry.AzureContainerRegistryManager.PullArtifactAsync(RootConfiguration configuration, IOciArtifactReference artifactReference) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 51
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 138
   at Bicep.Core.Registry.AzureContainerRegistryManager.<>c__DisplayClass4_0.<<PullArtifactAsync>g__DownloadManifestInternalAsync|0>d.MoveNext() in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 44
--- End of stack trace from previous location ---
   at Bicep.Core.Registry.AzureContainerRegistryManager.PullArtifactAsync(RootConfiguration configuration, IOciArtifactReference artifactReference) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/AzureContainerRegistryManager.cs:line 63
   at Bicep.Core.Registry.OciArtifactRegistry.TryRestoreArtifactAsync(RootConfiguration configuration, OciArtifactReference reference) in /home/runner/work/bicep/bicep/src/Bicep.Core/Registry/OciArtifactRegistry.cs:line 499,[(BCP192, Error, Unable to restore the artifact with reference "br:unknown.registry.azurecr.io/bicep/extensions/az:0.0.0-placeholder": Retry failed after 4 tries. Retry settings can be adjusted in ClientOptions.Retry or by configuring a custom retry policy in ClientOptions.RetryPolicy. (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)))])
Bicep.Core.IntegrationTests.AzTypesViaRegistryTests ‑ Repository_not_found_in_registry (ArtifactRegistryAddress { RegistryAddress = unknown.registry.azurecr.io, RepositoryPath = bicep/extensions/az, ExtensionVersion = 0.0.0-placeholder },System.AggregateException: Retry failed after 4 tries. Retry settings can be adjusted in ClientOptions.Retry or by configuring a custom retry policy in ClientOptions.RetryPolicy. (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443))
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 138
   at Bicep.Core.Registry.AzureContainerRegistryManager.<>c__DisplayClass4_0.<<PullArtifactAsync>g__DownloadManifestInternalAsync|0>d.MoveNext() in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 44
--- End of stack trace from previous location ---
   at Bicep.Core.Registry.AzureContainerRegistryManager.PullArtifactAsync(RootConfiguration configuration, IOciArtifactReference artifactReference) in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 51
   at Bicep.Core.Registry.AzureContainerRegistryManager.DownloadManifestAndLayersAsync(IOciArtifactReference artifactReference, ContainerRegistryContentClient client) in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 138
   at Bicep.Core.Registry.AzureContainerRegistryManager.<>c__DisplayClass4_0.<<PullArtifactAsync>g__DownloadManifestInternalAsync|0>d.MoveNext() in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 44
--- End of stack trace from previous location ---
   at Bicep.Core.Registry.AzureContainerRegistryManager.PullArtifactAsync(RootConfiguration configuration, IOciArtifactReference artifactReference) in D:\a\bicep\bicep\src\Bicep.Core\Registry\AzureContainerRegistryManager.cs:line 63
   at Bicep.Core.Registry.OciArtifactRegistry.TryRestoreArtifactAsync(RootConfiguration configuration, OciArtifactReference reference) in D:\a\bicep\bicep\src\Bicep.Core\Registry\OciArtifactRegistry.cs:line 499,[(BCP192, Error, Unable to restore the artifact with reference "br:unknown.registry.azurecr.io/bicep/extensions/az:0.0.0-placeholder": Retry failed after 4 tries. Retry settings can be adjusted in ClientOptions.Retry or by configuring a custom retry policy in ClientOptions.RetryPolicy. (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)) (No such host is known. (unknown.registry.azurecr.io:443)))])
…

♻️ This comment has been updated with latest results.

[anthony-c-martin]

Looks good!