storage

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Version: v2.5.0+incompatible Latest Latest
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Published: Jul 26, 2017 License: Apache-2.0 Imports: 5 Imported by: 0

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type Storage

type Storage struct {
	driver.Driver

	Log func(string, ...interface{})
	// contains filtered or unexported fields
}

Storage represents a storage engine for a Release.

func Init

func Init(d driver.Driver) *Storage

Init initializes a new storage backend with the driver d. If d is nil, the default in-memory driver is used.

func (*Storage) Create

func (s *Storage) Create(rls *rspb.Release) error

Create creates a new storage entry holding the release. An error is returned if the storage driver failed to store the release, or a release with identical an key already exists.

func (*Storage) Delete

func (s *Storage) Delete(name string, version int32) (*rspb.Release, error)

Delete deletes the release from storage. An error is returned if the storage backend fails to delete the release or if the release does not exist.

func (*Storage) Deployed

func (s *Storage) Deployed(name string) (*rspb.Release, error)

Deployed returns the deployed release with the provided release name, or returns ErrReleaseNotFound if not found.

func (*Storage) Get

func (s *Storage) Get(name string, version int32) (*rspb.Release, error)

Get retrieves the release from storage. An error is returned if the storage driver failed to fetch the release, or the release identified by the key, version pair does not exist.

func (*Storage) History

func (s *Storage) History(name string) ([]*rspb.Release, error)

History returns the revision history for the release with the provided name, or returns ErrReleaseNotFound if no such release name exists.

func (*Storage) Last

func (s *Storage) Last(name string) (*rspb.Release, error)

Last fetches the last revision of the named release.

func (*Storage) ListDeleted

func (s *Storage) ListDeleted() ([]*rspb.Release, error)

ListDeleted returns all releases with Status == DELETED. An error is returned if the storage backend fails to retrieve the releases.

func (*Storage) ListDeployed

func (s *Storage) ListDeployed() ([]*rspb.Release, error)

ListDeployed returns all releases with Status == DEPLOYED. An error is returned if the storage backend fails to retrieve the releases.

func (*Storage) ListFilterAll

func (s *Storage) ListFilterAll(fns ...relutil.FilterFunc) ([]*rspb.Release, error)

ListFilterAll returns the set of releases satisfying satisfying the predicate (filter0 && filter1 && ... && filterN), i.e. a Release is included in the results if and only if all filters return true.

func (*Storage) ListFilterAny

func (s *Storage) ListFilterAny(fns ...relutil.FilterFunc) ([]*rspb.Release, error)

ListFilterAny returns the set of releases satisfying satisfying the predicate (filter0 || filter1 || ... || filterN), i.e. a Release is included in the results if at least one of the filters returns true.

func (*Storage) ListReleases

func (s *Storage) ListReleases() ([]*rspb.Release, error)

ListReleases returns all releases from storage. An error is returned if the storage backend fails to retrieve the releases.

func (*Storage) LockRelease

func (s *Storage) LockRelease(name string) error

LockRelease gains a mutually exclusive access to a release via a mutex.

func (*Storage) UnlockRelease

func (s *Storage) UnlockRelease(name string)

UnlockRelease releases a mutually exclusive access to a release. If release doesn't exist or wasn't previously locked - the unlock will pass

func (*Storage) Update

func (s *Storage) Update(rls *rspb.Release) error

Update update the release in storage. An error is returned if the storage backend fails to update the release or if the release does not exist.

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