A self-hosted orchestration system crafted for power users. composia.xyz
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Go
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import ( "context" "errors" "fmt" "os" "path/filepath"
"connectrpc.com/connect"
controllerv1 "forgejo.alexma.top/alexma233/composia/gen/go/proto/composia/controller/v1" "forgejo.alexma.top/alexma233/composia/internal/core/config" "forgejo.alexma.top/alexma233/composia/internal/core/task" "forgejo.alexma.top/alexma233/composia/internal/platform/rpcutil" "forgejo.alexma.top/alexma233/composia/internal/platform/store" "github.com/google/uuid")
type nodeQueryServer struct { db *store.DB cfg *config.ControllerConfig taskQueue *taskQueueNotifier taskResults *taskResultNotifier}
type nodeMaintenanceServer struct { db *store.DB cfg *config.ControllerConfig taskQueue *taskQueueNotifier taskResults *taskResultNotifier}
func (server *nodeQueryServer) ListNodes(ctx context.Context, _ *connect.Request[controllerv1.ListNodesRequest]) (*connect.Response[controllerv1.ListNodesResponse], error) { snapshotByNodeID, err := buildNodeSnapshotMap(ctx, server.db) if err != nil { return nil, connect.NewError(connect.CodeInternal, err) }
response := &controllerv1.ListNodesResponse{ Nodes: make([]*controllerv1.NodeSummary, 0, len(server.cfg.Nodes)), } for _, node := range server.cfg.Nodes { summary := nodeSummary(node, snapshotByNodeID[node.ID]) summary.Actions = buildNodeActionCapabilities(server.cfg, configuredNodeIDs(server.cfg), snapshotByNodeID, node.ID) response.Nodes = append(response.Nodes, summary) }
return connect.NewResponse(response), nil}
func (server *nodeQueryServer) GetNode(ctx context.Context, req *connect.Request[controllerv1.GetNodeRequest]) (*connect.Response[controllerv1.GetNodeResponse], error) { if req.Msg == nil || req.Msg.GetNodeId() == "" { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("node_id is required")) } snapshotByNodeID, err := buildNodeSnapshotMap(ctx, server.db) if err != nil { return nil, connect.NewError(connect.CodeInternal, err) } for _, node := range server.cfg.Nodes { if node.ID == req.Msg.GetNodeId() { summary := nodeSummary(node, snapshotByNodeID[node.ID]) summary.Actions = buildNodeActionCapabilities(server.cfg, configuredNodeIDs(server.cfg), snapshotByNodeID, node.ID) return connect.NewResponse(&controllerv1.GetNodeResponse{Node: summary}), nil } } return nil, connect.NewError(connect.CodeNotFound, fmt.Errorf("node %q is not configured", req.Msg.GetNodeId()))}
func (server *nodeQueryServer) GetNodeDockerStats(ctx context.Context, req *connect.Request[controllerv1.GetNodeDockerStatsRequest]) (*connect.Response[controllerv1.GetNodeDockerStatsResponse], error) { if req.Msg == nil || req.Msg.GetNodeId() == "" { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("node_id is required")) }
stats, err := server.db.GetNodeDockerStats(ctx, req.Msg.GetNodeId()) if err != nil { return nil, connect.NewError(connect.CodeInternal, err) }
return connect.NewResponse(&controllerv1.GetNodeDockerStatsResponse{ Stats: &controllerv1.DockerStats{ ContainersTotal: stats.ContainersTotal, ContainersRunning: stats.ContainersRunning, ContainersStopped: stats.ContainersStopped, ContainersPaused: stats.ContainersPaused, Images: stats.Images, Networks: stats.Networks, Volumes: stats.Volumes, VolumesSizeBytes: stats.VolumesSizeBytes, DisksUsageBytes: stats.DisksUsageBytes, DockerServerVersion: stats.DockerServerVersion, }, }), nil}
func (server *nodeMaintenanceServer) ReloadNodeCaddy(ctx context.Context, req *connect.Request[controllerv1.ReloadNodeCaddyRequest]) (*connect.Response[controllerv1.ReloadNodeCaddyResponse], error) { if req.Msg == nil || req.Msg.GetNodeId() == "" { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("node_id is required")) } createdTask, err := createNodeCaddyReloadTask(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), req.Msg.GetNodeId(), requestTaskSource(req.Header())) if err != nil { return nil, err }
notifyTaskQueue(server.taskQueue)
return connect.NewResponse(&controllerv1.ReloadNodeCaddyResponse{TaskId: createdTask.TaskID}), nil}
func (server *nodeMaintenanceServer) SyncNodeCaddyFiles(ctx context.Context, req *connect.Request[controllerv1.SyncNodeCaddyFilesRequest]) (*connect.Response[controllerv1.SyncNodeCaddyFilesResponse], error) { if req.Msg == nil || req.Msg.GetNodeId() == "" { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("node_id is required")) } createdTask, err := createNodeCaddySyncTask(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), req.Msg.GetNodeId(), req.Msg.GetServiceName(), req.Msg.GetFullRebuild(), requestTaskSource(req.Header())) if err != nil { return nil, err } notifyTaskQueue(server.taskQueue) return connect.NewResponse(&controllerv1.SyncNodeCaddyFilesResponse{TaskId: createdTask.TaskID}), nil}
func (server *nodeMaintenanceServer) PruneNodeDocker(ctx context.Context, req *connect.Request[controllerv1.PruneNodeDockerRequest]) (*connect.Response[controllerv1.PruneNodeDockerResponse], error) { if req.Msg == nil || req.Msg.GetNodeId() == "" { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("node_id is required")) }
target := req.Msg.GetTarget() if target == "" { target = "all" }
snapshot, err := server.db.GetNodeSnapshot(ctx, req.Msg.GetNodeId()) if err != nil { return nil, connect.NewError(connect.CodeInternal, err) } if !snapshot.IsOnline { return nil, connect.NewError(connect.CodeFailedPrecondition, fmt.Errorf("node %q is offline", req.Msg.GetNodeId())) }
triggeredBy, _ := rpcutil.BearerSubject(ctx) taskID := uuid.NewString() paramsJSON := fmt.Sprintf(`{"target":%q}`, target)
createdTask, err := server.db.CreateTask(ctx, task.Record{ TaskID: taskID, Type: task.TypePrune, Source: requestTaskSource(req.Header()), TriggeredBy: triggeredBy, NodeID: req.Msg.GetNodeId(), Status: task.StatusPending, ParamsJSON: paramsJSON, LogPath: filepath.Join(server.cfg.LogDir, "tasks", taskID+".log"), }) if err != nil { return nil, connect.NewError(connect.CodeInternal, err) } if err := os.WriteFile(createdTask.LogPath, []byte(""), 0o600); err != nil { return nil, connect.NewError(connect.CodeInternal, fmt.Errorf("create task log file: %w", err)) } notifyTaskQueue(server.taskQueue)
return connect.NewResponse(&controllerv1.PruneNodeDockerResponse{ TaskId: taskID, }), nil}
func (server *nodeMaintenanceServer) PruneNodeRustic(ctx context.Context, req *connect.Request[controllerv1.PruneNodeRusticRequest]) (*connect.Response[controllerv1.PruneNodeRusticResponse], error) { if req.Msg == nil { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("request is required")) } nodeID := req.Msg.GetNodeId() var err error if nodeID == "" { nodeID, err = chooseRusticMainNode(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), task.TypeRusticPrune) if err != nil { return nil, connect.NewError(connect.CodeFailedPrecondition, err) } } createdTask, err := createNodeRusticMaintenanceTask(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), nodeID, task.TypeRusticPrune, rusticMaintenanceTaskParams{ServiceName: req.Msg.GetServiceName(), DataName: req.Msg.GetDataName()}, requestTaskSource(req.Header()), nil) if err != nil { return nil, err } notifyTaskQueue(server.taskQueue) return connect.NewResponse(&controllerv1.PruneNodeRusticResponse{TaskId: createdTask.TaskID}), nil}
func (server *nodeMaintenanceServer) InitNodeRustic(ctx context.Context, req *connect.Request[controllerv1.InitNodeRusticRequest]) (*connect.Response[controllerv1.InitNodeRusticResponse], error) { if req.Msg == nil { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("request is required")) } nodeID := req.Msg.GetNodeId() var err error if nodeID == "" { nodeID, err = chooseRusticMainNode(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), task.TypeRusticInit) if err != nil { return nil, connect.NewError(connect.CodeFailedPrecondition, err) } } createdTask, err := createNodeRusticMaintenanceTask(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), nodeID, task.TypeRusticInit, rusticMaintenanceTaskParams{}, requestTaskSource(req.Header()), nil) if err != nil { return nil, err } notifyTaskQueue(server.taskQueue) return connect.NewResponse(&controllerv1.InitNodeRusticResponse{TaskId: createdTask.TaskID}), nil}
func (server *nodeMaintenanceServer) ForgetNodeRustic(ctx context.Context, req *connect.Request[controllerv1.ForgetNodeRusticRequest]) (*connect.Response[controllerv1.ForgetNodeRusticResponse], error) { if req.Msg == nil { return nil, connect.NewError(connect.CodeInvalidArgument, errors.New("request is required")) } nodeID := req.Msg.GetNodeId() var err error if nodeID == "" { nodeID, err = chooseRusticMainNode(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), task.TypeRusticForget) if err != nil { return nil, connect.NewError(connect.CodeFailedPrecondition, err) } } createdTask, err := createNodeRusticMaintenanceTask(ctx, server.db, server.cfg, configuredNodeIDs(server.cfg), nodeID, task.TypeRusticForget, rusticMaintenanceTaskParams{ServiceName: req.Msg.GetServiceName(), DataName: req.Msg.GetDataName()}, requestTaskSource(req.Header()), nil) if err != nil { return nil, err } notifyTaskQueue(server.taskQueue) return connect.NewResponse(&controllerv1.ForgetNodeRusticResponse{TaskId: createdTask.TaskID}), nil}
func nodeSummary(node config.NodeConfig, snapshot store.NodeSnapshot) *controllerv1.NodeSummary { displayName := node.DisplayName if displayName == "" { displayName = node.ID } return &controllerv1.NodeSummary{ NodeId: node.ID, DisplayName: displayName, Enabled: node.Enabled == nil || *node.Enabled, IsOnline: snapshot.IsOnline, LastHeartbeat: snapshot.LastHeartbeat, }}