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0e0e3d73af
This is a breaking change to the ResourceProvider interface that adds the new operations relating to data sources. DataSources, ValidateDataSource, ReadDataDiff and ReadDataApply are the data source equivalents of Resources, Validate, Diff and Apply (respectively) for managed resources. The diff/apply model seems at first glance a rather strange workflow for read-only resources, but implementing data resources in this way allows them to fit cleanly into the standard plan/apply lifecycle in cases where the configuration contains computed arguments and thus the read must be deferred until apply time. Along with breaking the interface, we also fix up the plugin client/server and helper/schema implementations of it, which are all of the callers used when provider plugins use helper/schema. This would be a breaking change for any provider plugin that directly implements the provider interface, but no known plugins do this and it is not recommended. At the helper/schema layer the implementer sees ReadDataApply as a "Read", as opposed to "Create" or "Update" as in the managed resource Apply implementation. The planning mechanics are handled entirely within helper/schema, so that complexity is hidden from the provider implementation itself. |
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| .. | ||
| plugin_test.go | ||
| plugin.go | ||
| resource_provider_test.go | ||
| resource_provider.go | ||
| resource_provisioner_test.go | ||
| resource_provisioner.go | ||
| serve.go | ||
| ui_input_test.go | ||
| ui_input.go | ||
| ui_output_test.go | ||
| ui_output.go | ||