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https://issues.apache.org/jira/browse/LIBCLOUD-331?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jayy Vis updated LIBCLOUD-331:
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Attachment: provider-error-type.patch
Adds the new error type ProviderError and modifies InvalidCredsError to extend
from it.
> proposal to add a new error type - ProviderError
> ------------------------------------------------
>
> Key: LIBCLOUD-331
> URL: https://issues.apache.org/jira/browse/LIBCLOUD-331
> Project: Libcloud
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.12.3
> Reporter: Jayy Vis
> Priority: Minor
> Attachments: provider-error-type.patch
>
>
> libcloud.common.base.Response constructor is handling failures of provider
> operations, this way
> if not self.success():
> raise Exception(self.parse_error())
> for eg., in ec2 driver the parse_error method is overridden to handle
> specific cases like invalid credentials, malformed responses but all other
> error cases produced by ec2 will be raised as Exception. Its too generic and
> we need a classification (ProviderError) to capture all the errors generated
> by a cloud provider.
> * libcloud.common.base.Response can use it
> if not self.success():
> raise ProviderError(self.parse_error())
> * specific errors of providers can be derived from it
> class InvalidCredsError(ProviderError):
> Also drivers that are having provider specific error types (eg.,
> SoftLayerException, LinodeException, HostVirtualException) can be extended
> from ProviderError. Currently its extending LibcloudError and since
> LibcloudError is inclusive of all internal stuffs, having a separate type for
> errors occured at provider side would simplify error handling for libcloud
> clients.
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