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Always report failure to host, but report failure to fabric only
outside of _check_if_nic_is_primary() which is expected to fail if
nic is not primary.
Add two types of reportable errors for IMDS metadata:
- add ReportableErrorImdsUrlError() for url errors.
- add ReportableErrorImdsMetadataParsingException() for parsing errors.
Tweak ReportableError repr to be a bit friendlier.
Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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- Add host_only flag to _report_failure() to allow caller to only
report the failure to host. This is for cases where we don't want
_report_failure() to attempt DHCP or we expect that we may recover
from the reported error (there is no issue reporting multiple times
to host, whereas fabric reports will immediately fail the VM
provisioning).
- Add ReportableErrorDhcpLease() to report lease failures.
- Add ReportableErrorDhcpInterfaceNotFound() to report errors where the
DHCP interface hasn't been found yet.
- Add TestReportFailure class with new test coverage. Will migrate other
_report_failure() tests in the future as they currently depend on
TestAzureDataSource/CiTestCase.
Future work will add the interface name to supporting data, but as that
information is not available with iface=None, another PR will explicitly
add a call to net.find_fallback_nic() to specify it.
Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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Add success reporting to the host via KVP.
- Move _report_failure_to_host() into kvp module.
- Tweak error description to use result=error instead of
PROVISIONING_ERROR: ...
- Use result=success for the successful ("ready") reports.
- report_x_via_kvp => report_x_to_host for consistency with fabric.
ReportableError.as_description() => as_encoded_report()
Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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Save a few characters by decoding it as utf-8 string rather than using
the bytes representation.
Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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When provisioning failures occur an Azure, a generic description is
used in the report and ultimately returned to the user. To improve
the user experience, report details of the failure in a manner that is
parsable, readable and succinct. The current approach is to use csv
with a custom delimiter ("|") and quote character ("'"). This format
may change in the future.
Gracefully handle reportable errors thrown while crawling metadata and
treat other exceptions as ReportableErrorUnhandledException. Future
work will introduce more reportable errors to handle the expected
failure cases.
Signed-off-by: Chris Patterson <cpatterson@microsoft.com>
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