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.
103 lines
2.3 KiB
103 lines
2.3 KiB
package storage
|
|
|
|
import (
|
|
"errors"
|
|
"sync"
|
|
|
|
"github.com/kubernetes/helm/pkg/proto/hapi/release"
|
|
)
|
|
|
|
// Memory is an in-memory ReleaseStorage implementation.
|
|
type Memory struct {
|
|
sync.RWMutex
|
|
releases map[string]*release.Release
|
|
}
|
|
|
|
// NewMemory creates a new in-memory storage.
|
|
func NewMemory() *Memory {
|
|
return &Memory{
|
|
releases: map[string]*release.Release{},
|
|
}
|
|
}
|
|
|
|
// ErrNotFound indicates that a release is not found.
|
|
var ErrNotFound = errors.New("release not found")
|
|
|
|
// Read returns the named Release.
|
|
//
|
|
// If the release is not found, an ErrNotFound error is returned.
|
|
func (m *Memory) Read(k string) (*release.Release, error) {
|
|
m.RLock()
|
|
defer m.RUnlock()
|
|
v, ok := m.releases[k]
|
|
if !ok {
|
|
return v, ErrNotFound
|
|
}
|
|
return v, nil
|
|
}
|
|
|
|
// Create sets a release.
|
|
func (m *Memory) Create(rel *release.Release) error {
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
m.releases[rel.Name] = rel
|
|
return nil
|
|
}
|
|
|
|
// Update sets a release.
|
|
func (m *Memory) Update(rel *release.Release) error {
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
if _, ok := m.releases[rel.Name]; !ok {
|
|
return ErrNotFound
|
|
}
|
|
|
|
// FIXME: When Release is done, we need to do this right by marking the old
|
|
// release as superseded, and creating a new release.
|
|
m.releases[rel.Name] = rel
|
|
return nil
|
|
}
|
|
|
|
// Delete removes a release.
|
|
func (m *Memory) Delete(name string) (*release.Release, error) {
|
|
m.Lock()
|
|
defer m.Unlock()
|
|
rel, ok := m.releases[name]
|
|
if !ok {
|
|
return nil, ErrNotFound
|
|
}
|
|
delete(m.releases, name)
|
|
return rel, nil
|
|
}
|
|
|
|
// List returns all releases.
|
|
func (m *Memory) List() ([]*release.Release, error) {
|
|
m.RLock()
|
|
defer m.RUnlock()
|
|
buf := make([]*release.Release, len(m.releases))
|
|
i := 0
|
|
for _, v := range m.releases {
|
|
buf[i] = v
|
|
i++
|
|
}
|
|
return buf, nil
|
|
}
|
|
|
|
// Query searches all releases for matches.
|
|
func (m *Memory) Query(labels map[string]string) ([]*release.Release, error) {
|
|
m.RLock()
|
|
defer m.RUnlock()
|
|
return []*release.Release{}, errors.New("not implemented")
|
|
}
|
|
|
|
// History returns the history of this release, in the form of a series of releases.
|
|
func (m *Memory) History(name string) ([]*release.Release, error) {
|
|
// TODO: This _should_ return all of the releases with the given name, sorted
|
|
// by LastDeployed, regardless of status.
|
|
r, err := m.Read(name)
|
|
if err != nil {
|
|
return []*release.Release{}, err
|
|
}
|
|
return []*release.Release{r}, nil
|
|
}
|