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docs/storagedrivers.md: Update filesystem.go -> driver.go reference

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Catch up after 88795e0a (Lots of various golint fixes, 2014-11-17, #1)
and 65b0d73c (Move storagedriver package to registry/storage/driver,
2015-02-10, #167).

Signed-off-by: W. Trevor King <wking@tremily.us>
This commit is contained in:
W. Trevor King 2015-05-31 15:15:44 -07:00
parent 318af0b1ce
commit e1c553fee9
1 changed files with 1 additions and 1 deletions
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docs/storagedrivers.md
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@ -41,7 +41,7 @@ To create a valid storage driver, one must implement the `storagedriver.StorageD
Storage drivers should call `factory.Register` with their driver name in an `init` method, allowing callers of `factory.New` to construct instances of this driver without requiring modification of imports throughout the codebase. Storage drivers should call `factory.Register` with their driver name in an `init` method, allowing callers of `factory.New` to construct instances of this driver without requiring modification of imports throughout the codebase.
#### Out-of-process drivers #### Out-of-process drivers
As many users will run the registry as a pre-constructed docker container, storage drivers should also be distributable as IPC server executables. Drivers written in go should model the main method provided in `storagedriver/filesystem/registry-storage-filesystem/filesystem.go`. Parameters to IPC drivers will be provided as a JSON-serialized map in the first argument to the process. These parameters should be validated and then a blocking call to `ipc.StorageDriverServer` should be made with a new storage driver. As many users will run the registry as a pre-constructed docker container, storage drivers should also be distributable as IPC server executables. Drivers written in go should model the main method provided in `registry/storage/driverfilesystem/driver.go`. Parameters to IPC drivers will be provided as a JSON-serialized map in the first argument to the process. These parameters should be validated and then a blocking call to `ipc.StorageDriverServer` should be made with a new storage driver.
Out-of-process drivers must also implement the `ipc.IPCStorageDriver` interface, which exposes a `Version` check for the storage driver. This is used to validate storage driver api compatibility at driver load-time. Out-of-process drivers must also implement the `ipc.IPCStorageDriver` interface, which exposes a `Version` check for the storage driver. This is used to validate storage driver api compatibility at driver load-time.