mirror of https://github.com/helm/helm
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
117 lines
4.1 KiB
117 lines
4.1 KiB
/*
|
|
Copyright 2016 The Kubernetes Authors All rights reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package storage // import "k8s.io/helm/pkg/storage"
|
|
|
|
import (
|
|
"log"
|
|
|
|
rspb "k8s.io/helm/pkg/proto/hapi/release"
|
|
"k8s.io/helm/pkg/storage/driver"
|
|
)
|
|
|
|
// Storage represents a storage engine for a Release.
|
|
type Storage struct {
|
|
driver.Driver
|
|
}
|
|
|
|
// Get retrieves the release from storage. An error is returned
|
|
// if the storage driver failed to fetch the release, or the
|
|
// release identified by key does not exist.
|
|
func (s *Storage) Get(key string) (*rspb.Release, error) {
|
|
log.Printf("Getting release %q from storage\n", key)
|
|
return s.Driver.Get(key)
|
|
}
|
|
|
|
// 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 (s *Storage) Create(rls *rspb.Release) error {
|
|
log.Printf("Create release %q in storage\n", rls.Name)
|
|
return s.Driver.Create(rls)
|
|
}
|
|
|
|
// 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.
|
|
func (s *Storage) Update(rls *rspb.Release) error {
|
|
log.Printf("Updating %q in storage\n", rls.Name)
|
|
return s.Driver.Update(rls)
|
|
}
|
|
|
|
// 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 (s *Storage) Delete(key string) (*rspb.Release, error) {
|
|
log.Printf("Deleting release %q from storage\n", key)
|
|
return s.Driver.Delete(key)
|
|
}
|
|
|
|
// ListReleases returns all releases from storage. An error is returned if the
|
|
// storage backend fails to retrieve the releases.
|
|
func (s *Storage) ListReleases() ([]*rspb.Release, error) {
|
|
log.Println("Listing all releases in storage")
|
|
return s.Driver.List(func(_ *rspb.Release) bool { return true })
|
|
}
|
|
|
|
// ListDeleted returns all releases with Status == DELETED. An error is returned
|
|
// if the storage backend fails to retrieve the releases.
|
|
func (s *Storage) ListDeleted() ([]*rspb.Release, error) {
|
|
log.Println("List deleted releases in storage")
|
|
return s.Driver.List(func(rls *rspb.Release) bool {
|
|
return StatusFilter(rspb.Status_DELETED).Check(rls)
|
|
})
|
|
}
|
|
|
|
// ListDeployed returns all releases with Status == DEPLOYED. An error is returned
|
|
// if the storage backend fails to retrieve the releases.
|
|
func (s *Storage) ListDeployed() ([]*rspb.Release, error) {
|
|
log.Println("Listing all deployed releases in storage")
|
|
return s.Driver.List(func(rls *rspb.Release) bool {
|
|
return StatusFilter(rspb.Status_DEPLOYED).Check(rls)
|
|
})
|
|
}
|
|
|
|
// 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 (s *Storage) ListFilterAll(filters ...FilterFunc) ([]*rspb.Release, error) {
|
|
log.Println("Listing all releases with filter")
|
|
return s.Driver.List(func(rls *rspb.Release) bool {
|
|
return All(filters...).Check(rls)
|
|
})
|
|
}
|
|
|
|
// 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 (s *Storage) ListFilterAny(filters ...FilterFunc) ([]*rspb.Release, error) {
|
|
log.Println("Listing any releases with filter")
|
|
return s.Driver.List(func(rls *rspb.Release) bool {
|
|
return Any(filters...).Check(rls)
|
|
})
|
|
}
|
|
|
|
// Init initializes a new storage backend with the driver d.
|
|
// If d is nil, the default in-memory driver is used.
|
|
func Init(d driver.Driver) *Storage {
|
|
// default driver is in memory
|
|
if d == nil {
|
|
d = driver.NewMemory()
|
|
}
|
|
return &Storage{Driver: d}
|
|
}
|