57 lines
2 KiB
Go
57 lines
2 KiB
Go
package state
|
|
|
|
import (
|
|
"github.com/hashicorp/nomad/client/allocrunner/taskrunner/state"
|
|
dmstate "github.com/hashicorp/nomad/client/devicemanager/state"
|
|
"github.com/hashicorp/nomad/nomad/structs"
|
|
)
|
|
|
|
// StateDB implementations store and load Nomad client state.
|
|
type StateDB interface {
|
|
// Name of implementation.
|
|
Name() string
|
|
|
|
// GetAllAllocations returns all valid allocations and a map of
|
|
// allocation IDs to retrieval errors.
|
|
//
|
|
// If a single error is returned then both allocations and the map will be nil.
|
|
GetAllAllocations() ([]*structs.Allocation, map[string]error, error)
|
|
|
|
// PulAllocation stores an allocation or returns an error if it could
|
|
// not be stored.
|
|
PutAllocation(*structs.Allocation) error
|
|
|
|
// GetTaskRunnerState returns the LocalState and TaskState for a
|
|
// TaskRunner. Either state may be nil if it is not found, but if an
|
|
// error is encountered only the error will be non-nil.
|
|
GetTaskRunnerState(allocID, taskName string) (*state.LocalState, *structs.TaskState, error)
|
|
|
|
// PutTaskRunnerLocalTask stores the LocalState for a TaskRunner or
|
|
// returns an error.
|
|
PutTaskRunnerLocalState(allocID, taskName string, val *state.LocalState) error
|
|
|
|
// PutTaskState stores the TaskState for a TaskRunner or returns an
|
|
// error.
|
|
PutTaskState(allocID, taskName string, state *structs.TaskState) error
|
|
|
|
// DeleteTaskBucket deletes a task's state bucket if it exists. No
|
|
// error is returned if it does not exist.
|
|
DeleteTaskBucket(allocID, taskName string) error
|
|
|
|
// DeleteAllocationBucket deletes an allocation's state bucket if it
|
|
// exists. No error is returned if it does not exist.
|
|
DeleteAllocationBucket(allocID string) error
|
|
|
|
// GetDevicePluginState is used to retrieve the device manager's plugin
|
|
// state.
|
|
GetDevicePluginState() (*dmstate.PluginState, error)
|
|
|
|
// PutDevicePluginState is used to store the device manager's plugin
|
|
// state.
|
|
PutDevicePluginState(state *dmstate.PluginState) error
|
|
|
|
// Close the database. Unsafe for further use after calling regardless
|
|
// of return value.
|
|
Close() error
|
|
}
|