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Fix for issue 664: https://github.com/docker/distribution/issues/664

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Errors thrown by storage drivers don't have the name of the driver, causing user
confusion about whether the error is coming from Docker or from a storage driver.
This change adds the storage driver name to each error message.

This required changing ErrUnsupportedDriver to a type, leading to code changes
whenever ErrUnsupportedDriver is used.  The tests check whether the driver name
appears in the error message.

Signed-off-by: Amit Shukla <amit.shukla@docker.com>
This commit is contained in:
amitshukla 2015-10-02 16:19:06 -07:00 • committed by Richard Scothern
parent bd958d8b88
commit 7840a5bc8f
10 changed files with 99 additions and 44 deletions
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2
docs/storage/driver/filesystem/driver.go
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@ -248,7 +248,7 @@ func (d *driver) Delete(ctx context.Context, subPath string) error {
// URLFor returns a URL which may be used to retrieve the content stored at the given path.
// May return an UnsupportedMethodErr in certain StorageDriver implementations.
func (d *driver) URLFor(ctx context.Context, path string, options map[string]interface{}) (string, error) {
return "", storagedriver.ErrUnsupportedMethod
return "", new(storagedriver.ErrUnsupportedMethod)
}
// fullPath returns the absolute path of a key within the Driver's storage.