[ACR] Warn before overwriting an existing cache rule

[Mabel Egba (mabelegba)]

🤖 PR Validation — ❌ Action needed

Breaking Changes	Tests
️✔️ None	❌ 128/130

❌AzureCLI-FullTest

❌acr

❌latest

❌3.12

Type	Test Case	Error Message	Line
Failed	test_acr_cache	self = <azure.cli.testsdk.base.ExecutionResult object at 0x7fa30d66a2d0> cli_ctx = <azure.cli.core.mock.DummyCli object at 0x7fa3104170e0> command = 'acr cache update -n test1 -r clireg000002 --remove-cred-set' expect_failure = False     def in_process_execute(self, cli_ctx, command, expect_failure=False):         from io import StringIO         from vcr.errors import CannotOverwriteExistingCassetteException              if command.startswith('az '):             command = command[3:]              stdout_buf = StringIO()         logging_buf = StringIO()         try:             # issue: stderr cannot be redirect in this form, as a result some failure information             # is lost when command fails. >           self.exit_code = cli_ctx.invoke(shlex.split(command), out_file=stdout_buf) or 0                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-testsdk/azure/cli/testsdk/base.py:303:                                           env/lib/python3.12/site-packages/knack/cli.py:245: in invoke     exit_code = self.exception_handler(ex)                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/init.py:153: in exception_handler     return handle_exception(ex)            ^^^^^^^^^^^^^^^^^^^^ src/azure-cli-testsdk/azure/cli/testsdk/patches.py:33: in handle_main_exception     raise ex env/lib/python3.12/site-packages/knack/cli.py:233: in invoke     cmd_result = self.invocation.execute(args)                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/init.py:677: in execute     raise ex src/azure-cli-core/azure/cli/core/commands/init.py:820: in run_jobs_serially     results.append(self.run_job(expanded_arg, cmd_copy))                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/init.py:789: in run_job     result = cmd_copy(params)              ^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/init.py:335: in call     return self.handler(*args, **kwargs)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/command_operation.py:252: in handler     result = result.result()              ^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/polling/poller.py:323: in result     self.wait(timeout) env/lib/python3.12/site-packages/azure/core/tracing/decorator.py:119: in wrapper_use_tracer     return func(*args, **kwargs)            ^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/polling/poller.py:342: in wait     raise self.exception  # type: ignore     ^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/polling/poller.py:247: in start     self.polling_method.run() env/lib/python3.12/site-packages/azure/core/polling/base_polling.py:950: in run     self.poll() env/lib/python3.12/site-packages/azure/core/polling/base_polling.py:986: in poll     self.pipeline_response = self.request_status(final_get_url)                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/polling/base_polling.py:1026: in request_status     self.client.send_request(rest_request, return_pipeline_response=True, **self.operation_config),     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline_client.py:198: in send_request     pipeline_response = self.pipeline.run(request, stream=stream, **kwargs)                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:242: in run     return first_node.send(pipeline_request)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/mgmt/core/policies/base.py:95: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/policies/redirect.py:205: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/policies/retry.py:545: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/policies/authentication.py:194: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/base.py:130: in send     self.sender.send(request.http_request, **request.context.options),     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/azure/core/pipeline/transport/requests_basic.py:375: in send     response = self.session.request(  # type: ignore env/lib/python3.12/site-packages/requests/sessions.py:592: in request     resp = self.send(prep, **send_kwargs)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/requests/sessions.py:706: in send     r = adapter.send(request, **kwargs)         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.12/site-packages/requests/adapters.py:645: in send     resp = conn.urlopen( env/lib/python3.12/site-packages/urllib3/connectionpool.py:788: in urlopen     response = self.make_request( env/lib/python3.12/site-packages/urllib3/connectionpool.py:534: in make_request     response = conn.getresponse()                ^^^^^^^^^^^^^^^^^^                                          self = <VCRRequestsHTTPSConnection/mnt/vss/work/1/s/src/azure-cli/azure/cli/command_modules/acr/tests/latest/recordings/test_acr_cache.yaml(host='management.azure.com', port=443) at 0x7fa30d4ce300>  = False, kwargs = {}     def getresponse(self, =False, **kwargs):         """Retrieve the response"""         # Check to see if the cassette has a response for this request. If so,         # then return it         if self.cassette.can_play_response_for(self.vcr_request):             log.info(f"Playing response for {self.vcr_request} from cassette")             response = self.cassette.play_response(self.vcr_request)             return VCRHTTPResponse(response, self.vcr_request.uri)         else:             if self.cassette.write_protected and self.cassette.filter_request(self.vcr_request): >               raise CannotOverwriteExistingCassetteException(                     cassette=self.cassette,                     failed_request=self.vcr_request,                 ) E               vcr.errors.CannotOverwriteExistingCassetteException: Can't overwrite existing cassette ('/mnt/vss/work/1/s/src/azure-cli/azure/cli/command_modules/acr/tests/latest/recordings/test_acr_cache.yaml') in your current record mode (RecordMode.ONCE: 'once'). E               No match for the request (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;was&nbsp;found. E               Found 3 recorded request(s) matching (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;but&nbsp;they&nbsp;have&nbsp;already&nbsp;been&nbsp;consumed. env/lib/python3.12/site-packages/vcr/stubs/init.py:279: CannotOverwriteExistingCassetteException During handling of the above exception, another exception occurred: self = <azure.cli.command_modules.acr.tests.latest.test_acr_commands.AcrCommandsTests testMethod=test_acr_cache> resource_group = 'clitest.rg000001', resource_group_location = 'westus'     @ResourceGroupPreparer()     def test_acr_cache(self, resource_group, resource_group_location):         registry_name = self.create_random_name('clireg', 20)              self.kwargs.update({             'registry_name': registry_name,             'rg_loc': resource_group_location,             'sku': 'Standard',             'cr_name': 'test1',             'cs_name': 'test1',             'source_repo': 'mcr.microsoft.com/mcr/hello-world',             'target_repo': 'hello-world',             'user_id': 'https://cliimportkv73021.vault.azure.net/secrets/SPusername',             'pass_id': 'https://cliimportkv73021.vault.azure.net/secrets/SPpassword',             'new_pass_id': 'https://cliimportkv73021.vault.azure.net/secrets/SPusername',             'upstream': 'mcr.microsoft.com'              })              self.cmd('acr create -n {registry_name} -g {rg} -l {rg_loc} --sku {sku}',                  checks=[self.check('name', '{registry_name}'),                          self.check('location', '{rg_loc}'),                          self.check('adminUserEnabled', False),                          self.check('sku.name', 'Standard'),                          self.check('sku.tier', 'Standard'),                          self.check('provisioningState', 'Succeeded')])                   self.cmd('acr credential-set create -n {cs_name} -r {registry_name} -l {upstream} -u {user_id} -p {pass_id}',                  checks=[self.check('name', '{cs_name}'),                          self.check('provisioningState', 'Succeeded')])              self.cmd('acr credential-set list -r {registry_name} -g {rg}',                  checks=[self.check('[0].name', '{cs_name}'),                          self.check('[0].provisioningState', 'Succeeded')])              self.cmd('acr credential-set show -n {cs_name} -r {registry_name} -g {rg}',                  checks=[self.check('name', '{cs_name}'),                          self.check('provisioningState', 'Succeeded')])              self.cmd('acr credential-set update -n {cs_name} -r {registry_name} -p {new_pass_id}',                  checks=[self.check('name', '{cs_name}'),                          self.check('provisioningState', 'Succeeded'),                          self.check('authCredentials[0].passwordSecretIdentifier', '{new_pass_id}')])              self.cmd('acr cache create -n {cr_name} -r {registry_name} -s {source_repo} -t {target_repo} -c {cs_name}',                  checks=[self.check('name', '{cr_name}'),                          self.check('provisioningState', 'Succeeded')])              self.cmd('acr cache list -r {registry_name} -g {rg}',                  checks=[self.check('[0].name', '{cr_name}'),                          self.check('[0].provisioningState', 'Succeeded')])              self.cmd('acr cache show -n {cr_name} -r {registry_name} -g {rg}',                  checks=[self.check('name', '{cr_name}'),                          self.check('provisioningState', 'Succeeded')])      >       self.cmd('acr cache update -n {cr_name} -r {registry_name} --remove-cred-set',                  checks=[self.check('name', '{cr_name}'),                          self.check('provisioningState', 'Succeeded')]) src/azure-cli/azure/cli/command_modules/acr/tests/latest/test_acr_commands.py:269:                                           src/azure-cli-testsdk/azure/cli/testsdk/base.py:177: in cmd     return execute(self.cli_ctx, command, expect_failure=expect_failure).assert_with_checks(checks)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-testsdk/azure/cli/testsdk/base.py:252: in init     self.in_process_execute(cli_ctx, command, expect_failure=expect_failure)                                          self = <azure.cli.testsdk.base.ExecutionResult object at 0x7fa30d66a2d0> cli_ctx = <azure.cli.core.mock.DummyCli object at 0x7fa3104170e0> command = 'acr cache update -n test1 -r clireg000002 --remove-cred-set' expect_failure = False     def _in_process_execute(self, cli_ctx, command, expect_failure=False):         from io import StringIO         from vcr.errors import CannotOverwriteExistingCassetteException              if command.startswith('az '):             command = command[3:]              stdout_buf = StringIO()         logging_buf = StringIO()         try:             # issue: stderr cannot be redirect in this form, as a result some failure information             # is lost when command fails.             self.exit_code = cli_ctx.invoke(shlex.split(command), out_file=stdout_buf) or 0             self.output = stdout_buf.getvalue()             self.applog = logging_buf.getvalue()              except CannotOverwriteExistingCassetteException as ex: >           raise AssertionError(ex) E           AssertionError: Can't overwrite existing cassette ('/mnt/vss/_work/1/s/src/azure-cli/azure/cli/command_modules/acr/tests/latest/recordings/test_acr_cache.yaml') in your current record mode (RecordMode.ONCE: 'once'). E           No match for the request (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;was&nbsp;found. E           Found 3 recorded request(s) matching (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;but&nbsp;they&nbsp;have&nbsp;already&nbsp;been&nbsp;consumed. src/azure-cli-testsdk/azure/cli/testsdk/base.py:308: AssertionError	azure/cli/command_modules/acr/tests/latest/test_acr_commands.py:211
Failed	test_acr_cache_managed_identity	The error message is too long, please check the pipeline log for details.	azure/cli/command_modules/acr/tests/latest/test_acr_commands.py:278

❌3.14

Type	Test Case	Error Message	Line
Failed	test_acr_cache	self = <azure.cli.testsdk.base.ExecutionResult object at 0x7f2323285f50> cli_ctx = <azure.cli.core.mock.DummyCli object at 0x7f2325b74550> command = 'acr cache update -n test1 -r clireg000002 --remove-cred-set' expect_failure = False     def in_process_execute(self, cli_ctx, command, expect_failure=False):         from io import StringIO         from vcr.errors import CannotOverwriteExistingCassetteException              if command.startswith('az '):             command = command[3:]              stdout_buf = StringIO()         logging_buf = StringIO()         try:             # issue: stderr cannot be redirect in this form, as a result some failure information             # is lost when command fails. >           self.exit_code = cli_ctx.invoke(shlex.split(command), out_file=stdout_buf) or 0                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-testsdk/azure/cli/testsdk/base.py:303:                                           env/lib/python3.14/site-packages/knack/cli.py:245: in invoke     exit_code = self.exception_handler(ex)                 ^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/init.py:153: in exception_handler     return handle_exception(ex)            ^^^^^^^^^^^^^^^^^^^^ src/azure-cli-testsdk/azure/cli/testsdk/patches.py:33: in handle_main_exception     raise ex env/lib/python3.14/site-packages/knack/cli.py:233: in invoke     cmd_result = self.invocation.execute(args)                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/init.py:677: in execute     raise ex src/azure-cli-core/azure/cli/core/commands/init.py:820: in run_jobs_serially     results.append(self.run_job(expanded_arg, cmd_copy))                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/init.py:789: in run_job     result = cmd_copy(params)              ^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/init.py:335: in call     return self.handler(*args, **kwargs)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-core/azure/cli/core/commands/command_operation.py:252: in handler     result = result.result()              ^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/polling/poller.py:323: in result     self.wait(timeout) env/lib/python3.14/site-packages/azure/core/tracing/decorator.py:119: in wrapper_use_tracer     return func(*args, **kwargs)            ^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/polling/poller.py:342: in wait     raise self.exception  # type: ignore     ^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/polling/poller.py:247: in start     self.polling_method.run() env/lib/python3.14/site-packages/azure/core/polling/base_polling.py:950: in run     self.poll() env/lib/python3.14/site-packages/azure/core/polling/base_polling.py:986: in poll     self.pipeline_response = self.request_status(final_get_url)                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/polling/base_polling.py:1026: in request_status     self.client.send_request(rest_request, return_pipeline_response=True, **self.operation_config),     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline_client.py:198: in send_request     pipeline_response = self.pipeline.run(request, stream=stream, **kwargs)                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:242: in run     return first_node.send(pipeline_request)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/mgmt/core/policies/base.py:95: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/policies/redirect.py:205: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/policies/retry.py:545: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/policies/authentication.py:194: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:98: in send     response = self.next.send(request)                ^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/base.py:130: in send     self.sender.send(request.http_request, **request.context.options),     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/azure/core/pipeline/transport/requests_basic.py:375: in send     response = self.session.request(  # type: ignore env/lib/python3.14/site-packages/requests/sessions.py:592: in request     resp = self.send(prep, **send_kwargs)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/requests/sessions.py:706: in send     r = adapter.send(request, **kwargs)         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ env/lib/python3.14/site-packages/requests/adapters.py:645: in send     resp = conn.urlopen( env/lib/python3.14/site-packages/urllib3/connectionpool.py:788: in urlopen     response = self.make_request( env/lib/python3.14/site-packages/urllib3/connectionpool.py:534: in make_request     response = conn.getresponse()                ^^^^^^^^^^^^^^^^^^                                          self = <VCRRequestsHTTPSConnection/mnt/vss/work/1/s/src/azure-cli/azure/cli/command_modules/acr/tests/latest/recordings/test_acr_cache.yaml(host='management.azure.com', port=443) at 0x7f232cbb7150>  = False, kwargs = {}     def getresponse(self, =False, **kwargs):         """Retrieve the response"""         # Check to see if the cassette has a response for this request. If so,         # then return it         if self.cassette.can_play_response_for(self.vcr_request):             log.info(f"Playing response for {self.vcr_request} from cassette")             response = self.cassette.play_response(self.vcr_request)             return VCRHTTPResponse(response, self.vcr_request.uri)         else:             if self.cassette.write_protected and self.cassette.filter_request(self.vcr_request): >               raise CannotOverwriteExistingCassetteException(                     cassette=self.cassette,                     failed_request=self.vcr_request,                 ) E               vcr.errors.CannotOverwriteExistingCassetteException: Can't overwrite existing cassette ('/mnt/vss/work/1/s/src/azure-cli/azure/cli/command_modules/acr/tests/latest/recordings/test_acr_cache.yaml') in your current record mode (RecordMode.ONCE: 'once'). E               No match for the request (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;was&nbsp;found. E               Found 3 recorded request(s) matching (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;but&nbsp;they&nbsp;have&nbsp;already&nbsp;been&nbsp;consumed. env/lib/python3.14/site-packages/vcr/stubs/init.py:279: CannotOverwriteExistingCassetteException During handling of the above exception, another exception occurred: self = <azure.cli.command_modules.acr.tests.latest.test_acr_commands.AcrCommandsTests testMethod=test_acr_cache> resource_group = 'clitest.rg000001', resource_group_location = 'westus'     @ResourceGroupPreparer()     def test_acr_cache(self, resource_group, resource_group_location):         registry_name = self.create_random_name('clireg', 20)              self.kwargs.update({             'registry_name': registry_name,             'rg_loc': resource_group_location,             'sku': 'Standard',             'cr_name': 'test1',             'cs_name': 'test1',             'source_repo': 'mcr.microsoft.com/mcr/hello-world',             'target_repo': 'hello-world',             'user_id': 'https://cliimportkv73021.vault.azure.net/secrets/SPusername',             'pass_id': 'https://cliimportkv73021.vault.azure.net/secrets/SPpassword',             'new_pass_id': 'https://cliimportkv73021.vault.azure.net/secrets/SPusername',             'upstream': 'mcr.microsoft.com'              })              self.cmd('acr create -n {registry_name} -g {rg} -l {rg_loc} --sku {sku}',                  checks=[self.check('name', '{registry_name}'),                          self.check('location', '{rg_loc}'),                          self.check('adminUserEnabled', False),                          self.check('sku.name', 'Standard'),                          self.check('sku.tier', 'Standard'),                          self.check('provisioningState', 'Succeeded')])                   self.cmd('acr credential-set create -n {cs_name} -r {registry_name} -l {upstream} -u {user_id} -p {pass_id}',                  checks=[self.check('name', '{cs_name}'),                          self.check('provisioningState', 'Succeeded')])              self.cmd('acr credential-set list -r {registry_name} -g {rg}',                  checks=[self.check('[0].name', '{cs_name}'),                          self.check('[0].provisioningState', 'Succeeded')])              self.cmd('acr credential-set show -n {cs_name} -r {registry_name} -g {rg}',                  checks=[self.check('name', '{cs_name}'),                          self.check('provisioningState', 'Succeeded')])              self.cmd('acr credential-set update -n {cs_name} -r {registry_name} -p {new_pass_id}',                  checks=[self.check('name', '{cs_name}'),                          self.check('provisioningState', 'Succeeded'),                          self.check('authCredentials[0].passwordSecretIdentifier', '{new_pass_id}')])              self.cmd('acr cache create -n {cr_name} -r {registry_name} -s {source_repo} -t {target_repo} -c {cs_name}',                  checks=[self.check('name', '{cr_name}'),                          self.check('provisioningState', 'Succeeded')])              self.cmd('acr cache list -r {registry_name} -g {rg}',                  checks=[self.check('[0].name', '{cr_name}'),                          self.check('[0].provisioningState', 'Succeeded')])              self.cmd('acr cache show -n {cr_name} -r {registry_name} -g {rg}',                  checks=[self.check('name', '{cr_name}'),                          self.check('provisioningState', 'Succeeded')])      >       self.cmd('acr cache update -n {cr_name} -r {registry_name} --remove-cred-set',                  checks=[self.check('name', '{cr_name}'),                          self.check('provisioningState', 'Succeeded')]) src/azure-cli/azure/cli/command_modules/acr/tests/latest/test_acr_commands.py:269:                                           src/azure-cli-testsdk/azure/cli/testsdk/base.py:177: in cmd     return execute(self.cli_ctx, command, expect_failure=expect_failure).assert_with_checks(checks)            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ src/azure-cli-testsdk/azure/cli/testsdk/base.py:252: in init     self.in_process_execute(cli_ctx, command, expect_failure=expect_failure)                                          self = <azure.cli.testsdk.base.ExecutionResult object at 0x7f2323285f50> cli_ctx = <azure.cli.core.mock.DummyCli object at 0x7f2325b74550> command = 'acr cache update -n test1 -r clireg000002 --remove-cred-set' expect_failure = False     def _in_process_execute(self, cli_ctx, command, expect_failure=False):         from io import StringIO         from vcr.errors import CannotOverwriteExistingCassetteException              if command.startswith('az '):             command = command[3:]              stdout_buf = StringIO()         logging_buf = StringIO()         try:             # issue: stderr cannot be redirect in this form, as a result some failure information             # is lost when command fails.             self.exit_code = cli_ctx.invoke(shlex.split(command), out_file=stdout_buf) or 0             self.output = stdout_buf.getvalue()             self.applog = logging_buf.getvalue()              except CannotOverwriteExistingCassetteException as ex: >           raise AssertionError(ex) E           AssertionError: Can't overwrite existing cassette ('/mnt/vss/_work/1/s/src/azure-cli/azure/cli/command_modules/acr/tests/latest/recordings/test_acr_cache.yaml') in your current record mode (RecordMode.ONCE: 'once'). E           No match for the request (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;was&nbsp;found. E           Found 3 recorded request(s) matching (<Request (GET) https://management.azure.com/subscriptions/00000000-0000-0000-0000-000000000000/resourceGroups/clitest.rg000001/providers/Microsoft.ContainerRegistry/registries/clireg000002/cacheRules/test1?api-version=2026-03-01-preview>)&nbsp;but&nbsp;they&nbsp;have&nbsp;already&nbsp;been&nbsp;consumed. src/azure-cli-testsdk/azure/cli/testsdk/base.py:308: AssertionError	azure/cli/command_modules/acr/tests/latest/test_acr_commands.py:211
Failed	test_acr_cache_managed_identity	The error message is too long, please check the pipeline log for details.	azure/cli/command_modules/acr/tests/latest/test_acr_commands.py:278

️✔️acs

️✔️latest

️✔️3.12

️✔️3.14

️✔️advisor

️✔️latest

️✔️3.12

️✔️3.14

️✔️ams

️✔️latest

️✔️3.12

️✔️3.14

️✔️apim

️✔️latest

️✔️3.12

️✔️3.14

️✔️appconfig

️✔️latest

️✔️3.12

️✔️3.14

️✔️appservice

️✔️latest

️✔️3.12

️✔️3.14

️✔️aro

️✔️latest

️✔️3.12

️✔️3.14

️✔️backup

️✔️latest

️✔️3.12

️✔️3.14

️✔️batch

️✔️latest

️✔️3.12

️✔️3.14

️✔️batchai

️✔️latest

️✔️3.12

️✔️3.14

️✔️billing

️✔️latest

️✔️3.12

️✔️3.14

️✔️botservice

️✔️latest

️✔️3.12

️✔️3.14

️✔️cloud

️✔️latest

️✔️3.12

️✔️3.14

️✔️cognitiveservices

️✔️latest

️✔️3.12

️✔️3.14

️✔️compute_recommender

️✔️latest

️✔️3.12

️✔️3.14

️✔️computefleet

️✔️latest

️✔️3.12

️✔️3.14

️✔️config

️✔️latest

️✔️3.12

️✔️3.14

️✔️configure

️✔️latest

️✔️3.12

️✔️3.14

️✔️consumption

️✔️latest

️✔️3.12

️✔️3.14

️✔️container

️✔️latest

️✔️3.12

️✔️3.14

️✔️containerapp

️✔️latest

️✔️3.12

️✔️3.14

️✔️core

️✔️latest

️✔️3.12

️✔️3.14

️✔️cosmosdb

️✔️latest

️✔️3.12

️✔️3.14

️✔️databoxedge

️✔️latest

️✔️3.12

️✔️3.14

️✔️dls

️✔️latest

️✔️3.12

️✔️3.14

️✔️dms

️✔️latest

️✔️3.12

️✔️3.14

️✔️eventgrid

️✔️latest

️✔️3.12

️✔️3.14

️✔️eventhubs

️✔️latest

️✔️3.12

️✔️3.14

️✔️feedback

️✔️latest

️✔️3.12

️✔️3.14

️✔️find

️✔️latest

️✔️3.12

️✔️3.14

️✔️hdinsight

️✔️latest

️✔️3.12

️✔️3.14

️✔️identity

️✔️latest

️✔️3.12

️✔️3.14

️✔️iot

️✔️latest

️✔️3.12

️✔️3.14

️✔️keyvault

️✔️latest

️✔️3.12

️✔️3.14

️✔️lab

️✔️latest

️✔️3.12

️✔️3.14

️✔️managedservices

️✔️latest

️✔️3.12

️✔️3.14

️✔️maps

️✔️latest

️✔️3.12

️✔️3.14

️✔️marketplaceordering

️✔️latest

️✔️3.12

️✔️3.14

️✔️monitor

️✔️latest

️✔️3.12

️✔️3.14

️✔️mysql

️✔️latest

️✔️3.12

️✔️3.14

️✔️netappfiles

️✔️latest

️✔️3.12

️✔️3.14

️✔️network

️✔️latest

️✔️3.12

️✔️3.14

️✔️policyinsights

️✔️latest

️✔️3.12

️✔️3.14

️✔️postgresql

️✔️latest

️✔️3.12

️✔️3.14

️✔️privatedns

️✔️latest

️✔️3.12

️✔️3.14

️✔️profile

️✔️latest

️✔️3.12

️✔️3.14

️✔️rdbms

️✔️latest

️✔️3.12

️✔️3.14

️✔️redis

️✔️latest

️✔️3.12

️✔️3.14

️✔️relay

️✔️latest

️✔️3.12

️✔️3.14

️✔️resource

️✔️latest

️✔️3.12

️✔️3.14

️✔️role

️✔️latest

️✔️3.12

️✔️3.14

️✔️search

️✔️latest

️✔️3.12

️✔️3.14

️✔️security

️✔️latest

️✔️3.12

️✔️3.14

️✔️servicebus

️✔️latest

️✔️3.12

️✔️3.14

️✔️serviceconnector

️✔️latest

️✔️3.12

️✔️3.14

️✔️servicefabric

️✔️latest

️✔️3.12

️✔️3.14

️✔️signalr

️✔️latest

️✔️3.12

️✔️3.14

️✔️sql

️✔️latest

️✔️3.12

️✔️3.14

️✔️sqlvm

️✔️latest

️✔️3.12

️✔️3.14

️✔️storage

️✔️latest

️✔️3.12

️✔️3.14

️✔️synapse

️✔️latest

️✔️3.12

️✔️3.14

️✔️telemetry

️✔️latest

️✔️3.12

️✔️3.14

️✔️util

️✔️latest

️✔️3.12

️✔️3.14

️✔️vm

️✔️latest

️✔️3.12

️✔️3.14

Related command
az acr cache create

Description
Adds a warning that creating a cacherule with an existing name will overwrite it.

Testing Guide

• Verified creating a cache rule displays the warning and succeeds.
• Added a mock unit test for the warning.

History Notes

[Component Name 1] BREAKING CHANGE: az command a: Make some customer-facing breaking change
[Component Name 2] az command b: Add some customer-facing feature

---

This checklist is used to make sure that common guidelines for a pull request are followed.

• The PR title and description has followed the guideline in Submitting Pull Requests.

• I adhere to the Command Guidelines.

• I adhere to the Error Handling Guidelines.

[azure-client-tools-bot-prd]

Hi Mabel Egba (@mabelegba),
Since the current milestone time is less than 7 days, this pr may not catch up with this release.

[azure-pipelines]

Azure Pipelines:
There may be pipelines that require an authorized user to comment /azp run to run.

[Aditya Pujara (a0x1ab)]

/azp run

[azure-pipelines]

Azure Pipelines:
Successfully started running 3 pipeline(s).

[Copilot]

Pull request overview

This PR adds a user-facing warning to az acr cache create when a cache rule with the same name already exists, signaling that the operation will overwrite the existing rule.

Changes:

• Added an existence check in acr_cache_create and logs a warning when the cache rule already exists.
• Added a mock unit test validating that the warning is emitted when the pre-check finds an existing rule.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
src/azure-cli/azure/cli/command_modules/acr/cache.py	Adds a preflight get call and warning before overwriting an existing cache rule.
src/azure-cli/azure/cli/command_modules/acr/tests/latest/test_acr_commands_mock.py	Adds a mock test to assert the overwrite warning is logged.

---

💡 Add a code-review agent skill or configure MCP servers for context-aware, tailored reviews. Learn more in the docs.

[Bin Du (northtyphoon)]

what do we allow implicit overwrite in az acr cache command? it already provides update, delete/create commands.

[Aditya Pujara (a0x1ab)]

/azp run

[azure-pipelines]

Azure Pipelines:
Successfully started running 3 pipeline(s).