78 lines
2.2 KiB
Go
78 lines
2.2 KiB
Go
package consul
|
|
|
|
import (
|
|
"github.com/hashicorp/consul/acl"
|
|
"github.com/hashicorp/consul/agent/consul/fsm"
|
|
"github.com/hashicorp/consul/agent/structs"
|
|
)
|
|
|
|
// FSMDataStore implements the DataStore interface using the Consul server and finite state manager.
|
|
type FSMDataStore struct {
|
|
server *Server
|
|
fsm *fsm.FSM
|
|
}
|
|
|
|
func NewFSMDataStore(server *Server, fsm *fsm.FSM) *FSMDataStore {
|
|
return &FSMDataStore{
|
|
server: server,
|
|
fsm: fsm,
|
|
}
|
|
}
|
|
|
|
// GetConfigEntry takes in a kind, name, and meta and returns a configentry and an error from the FSM state
|
|
func (f *FSMDataStore) GetConfigEntry(kind string, name string, meta *acl.EnterpriseMeta) (structs.ConfigEntry, error) {
|
|
store := f.fsm.State()
|
|
|
|
_, entry, err := store.ConfigEntry(nil, kind, name, meta)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return entry, nil
|
|
}
|
|
|
|
// GetConfigEntriesByKind takes in a kind and returns all instances of that kind of config entry from the FSM state
|
|
func (f *FSMDataStore) GetConfigEntriesByKind(kind string) ([]structs.ConfigEntry, error) {
|
|
store := f.fsm.State()
|
|
|
|
_, entries, err := store.ConfigEntriesByKind(nil, kind, acl.WildcardEnterpriseMeta())
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return entries, nil
|
|
}
|
|
|
|
// Update takes a config entry and upserts it in the FSM state
|
|
func (f *FSMDataStore) Update(entry structs.ConfigEntry) error {
|
|
_, err := f.server.leaderRaftApply("ConfigEntry.Apply", structs.ConfigEntryRequestType, &structs.ConfigEntryRequest{
|
|
Op: structs.ConfigEntryUpsertCAS,
|
|
Entry: entry,
|
|
})
|
|
return err
|
|
}
|
|
|
|
// UpdateStatus takes a config entry, an error, and updates the status field as needed in the FSM state
|
|
func (f *FSMDataStore) UpdateStatus(entry structs.ControlledConfigEntry, err error) error {
|
|
if err == nil {
|
|
//TODO additional status messages for success?
|
|
return nil
|
|
}
|
|
status := structs.Status{
|
|
Conditions: []structs.Condition{{
|
|
|
|
Status: err.Error() + ": Accepted == false",
|
|
},
|
|
},
|
|
}
|
|
entry.SetStatus(status)
|
|
return f.Update(entry)
|
|
}
|
|
|
|
// Delete takes a config entry and deletes it from the FSM state
|
|
func (f *FSMDataStore) Delete(entry structs.ConfigEntry) error {
|
|
_, err := f.server.leaderRaftApply("ConfigEntry.Delete", structs.ConfigEntryRequestType, &structs.ConfigEntryRequest{
|
|
Op: structs.ConfigEntryDelete,
|
|
Entry: entry,
|
|
})
|
|
return err
|
|
}
|