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Martin Atkins 4d53eaa6df state: more robust handling of state Serial ... Previously we relied on a constellation of coincidences for everything to work out correctly with state serials. In particular, callers needed to be very careful about mutating states (or not) because many different bits of code shared pointers to the same objects. Here we move to a model where all of the state managers always use distinct instances of state, copied when WriteState is called. This means that they are truly a snapshot of the state as it was at that call, even if the caller goes on mutating the state that was passed. We also adjust the handling of serials so that the state managers ignore any serials in incoming states and instead just treat each Persist as the next version after what was most recently Refreshed. (An exception exists for when nothing has been refreshed, e.g. because we are writing a state to a location for the first time. In that case we _do_ trust the caller, since the given state is either a new state or it's a copy of something we're migrating from elsewhere with its state and lineage intact.) The intent here is to allow the rest of Terraform to not worry about serials and state identity, and instead just treat the state as a mutable structure. We'll just snapshot it occasionally, when WriteState is called, and deal with serials _only_ at persist time. This is intended as a more robust version of #15423, which was a quick hotfix to an issue that resulted from our previous slopping handling of state serials but arguably makes the problem worse by depending on an additional coincidental behavior of the local backend's apply implementation.		9 years ago
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artifactory.go	add artifactory remote state storage	11 years ago
artifactory_test.go	add artifactory remote state storage	11 years ago
azure.go	provider/azurerm: Upgrading to AutoRest v8 (#15006)	9 years ago
azure_test.go	provider/azurerm: Upgrading to v10 of the Azure SDK (#14004)	9 years ago
etcd.go	Use cleanhttp for new http clients	11 years ago
etcd_test.go	Etcd remote state backend	11 years ago
file.go	state/remote: add undocumented file backend for remote state	11 years ago
file_test.go	state/remote: add undocumented file backend for remote state	11 years ago
gcs.go	remote state: Add GCS provider for remote state	10 years ago
gcs_test.go	remote state: Add GCS provider for remote state	10 years ago
http.go	Basic authentication for HTTP remote state backend	9 years ago
http_test.go	Use cleanhttp for new http clients	11 years ago
manta.go	state/remote: New provider - manta	10 years ago
manta_test.go	state/remote: New provider - manta	10 years ago
remote.go	remote/swift: Migrate Swift remote state to a backend	9 years ago
remote_test.go	Make remote state test run	9 years ago
state.go	state: more robust handling of state Serial	9 years ago
state_test.go	add mutexes to remote.State	9 years ago
testing.go	Have consul state reutrn the lock ID	9 years ago