forked from cloudfoundry/consuladapter
/
session_manager.go
77 lines (60 loc) · 2.34 KB
/
session_manager.go
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package consuladapter
import (
"errors"
"github.com/hashicorp/consul/api"
)
var ErrPresenceNotSet error = errors.New("Presence not set")
//go:generate counterfeiter -o fakes/fake_session_manager.go . SessionManager
type SessionManager interface {
NodeName() (string, error)
Node(node string, q *api.QueryOptions) ([]*api.SessionEntry, *api.QueryMeta, error)
Create(se *api.SessionEntry, q *api.WriteOptions) (string, *api.WriteMeta, error)
CreateNoChecks(se *api.SessionEntry, q *api.WriteOptions) (string, *api.WriteMeta, error)
Destroy(id string, q *api.WriteOptions) (*api.WriteMeta, error)
Renew(id string, q *api.WriteOptions) (*api.SessionEntry, *api.WriteMeta, error)
RenewPeriodic(initialTTL string, id string, q *api.WriteOptions, doneCh chan struct{}) error
NewLock(sessionID, key string, value []byte) (Lock, error)
}
//go:generate counterfeiter -o fakes/fake_lock.go . Lock
type Lock interface {
Lock(stopCh <-chan struct{}) (lostLock <-chan struct{}, err error)
}
type sessionMgr struct {
client *api.Client
session *api.Session
}
func NewSessionManager(client *api.Client) *sessionMgr {
return &sessionMgr{
client: client,
session: client.Session(),
}
}
func (sm *sessionMgr) NodeName() (string, error) {
return sm.client.Agent().NodeName()
}
func (sm *sessionMgr) Node(node string, q *api.QueryOptions) ([]*api.SessionEntry, *api.QueryMeta, error) {
return sm.session.Node(node, q)
}
func (sm *sessionMgr) Create(se *api.SessionEntry, q *api.WriteOptions) (string, *api.WriteMeta, error) {
return sm.session.Create(se, q)
}
func (sm *sessionMgr) CreateNoChecks(se *api.SessionEntry, q *api.WriteOptions) (string, *api.WriteMeta, error) {
return sm.session.CreateNoChecks(se, q)
}
func (sm *sessionMgr) Destroy(id string, q *api.WriteOptions) (*api.WriteMeta, error) {
return sm.session.Destroy(id, q)
}
func (sm *sessionMgr) Renew(id string, q *api.WriteOptions) (*api.SessionEntry, *api.WriteMeta, error) {
return sm.session.Renew(id, q)
}
func (sm *sessionMgr) RenewPeriodic(initialTTL string, id string, q *api.WriteOptions, doneCh chan struct{}) error {
return sm.session.RenewPeriodic(initialTTL, id, q, doneCh)
}
func (sm *sessionMgr) NewLock(sessionID, key string, value []byte) (Lock, error) {
lockOptions := api.LockOptions{
Key: key,
Value: value,
Session: sessionID,
}
return sm.client.LockOpts(&lockOptions)
}