|
| 1 | +package coderd |
| 2 | + |
| 3 | +import ( |
| 4 | + "database/sql" |
| 5 | + "fmt" |
| 6 | + "io" |
| 7 | + "net/http" |
| 8 | + "time" |
| 9 | + |
| 10 | + "github.com/hashicorp/yamux" |
| 11 | + "nhooyr.io/websocket" |
| 12 | + |
| 13 | + "cdr.dev/slog" |
| 14 | + "github.com/coder/coder/database" |
| 15 | + "github.com/coder/coder/httpapi" |
| 16 | + "github.com/coder/coder/httpmw" |
| 17 | + "github.com/coder/coder/peerbroker" |
| 18 | + "github.com/coder/coder/peerbroker/proto" |
| 19 | + "github.com/coder/coder/provisionersdk" |
| 20 | +) |
| 21 | + |
| 22 | +type AgentResourceMetadata struct { |
| 23 | + MemoryTotal uint64 `json:"memory_total"` |
| 24 | + DiskTotal uint64 `json:"disk_total"` |
| 25 | + CPUCores uint64 `json:"cpu_cores"` |
| 26 | + CPUModel string `json:"cpu_model"` |
| 27 | + CPUMhz float64 `json:"cpu_mhz"` |
| 28 | +} |
| 29 | + |
| 30 | +type AgentInstanceMetadata struct { |
| 31 | + JailOrchestrator string `json:"jail_orchestrator"` |
| 32 | + OperatingSystem string `json:"operating_system"` |
| 33 | + Platform string `json:"platform"` |
| 34 | + PlatformFamily string `json:"platform_family"` |
| 35 | + KernelVersion string `json:"kernel_version"` |
| 36 | + KernelArchitecture string `json:"kernel_architecture"` |
| 37 | + Cloud string `json:"cloud"` |
| 38 | + Jail string `json:"jail"` |
| 39 | + VNC bool `json:"vnc"` |
| 40 | +} |
| 41 | + |
| 42 | +func (api *api) workspaceAgentUpdate() { |
| 43 | + |
| 44 | +} |
| 45 | + |
| 46 | +func (api *api) workspaceAgentConnectByResource(rw http.ResponseWriter, r *http.Request) { |
| 47 | + api.websocketWaitGroup.Add(1) |
| 48 | + defer api.websocketWaitGroup.Done() |
| 49 | + |
| 50 | + agent := httpmw.WorkspaceAgent(r) |
| 51 | + if !agent.UpdatedAt.Valid { |
| 52 | + httpapi.Write(rw, http.StatusPreconditionRequired, httpapi.Response{ |
| 53 | + Message: "Agent hasn't connected yet!", |
| 54 | + }) |
| 55 | + return |
| 56 | + } |
| 57 | + |
| 58 | + conn, err := websocket.Accept(rw, r, &websocket.AcceptOptions{ |
| 59 | + CompressionMode: websocket.CompressionDisabled, |
| 60 | + }) |
| 61 | + if err != nil { |
| 62 | + httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{ |
| 63 | + Message: fmt.Sprintf("accept websocket: %s", err), |
| 64 | + }) |
| 65 | + return |
| 66 | + } |
| 67 | + defer func() { |
| 68 | + _ = conn.Close(websocket.StatusNormalClosure, "") |
| 69 | + }() |
| 70 | + config := yamux.DefaultConfig() |
| 71 | + config.LogOutput = io.Discard |
| 72 | + session, err := yamux.Server(websocket.NetConn(r.Context(), conn, websocket.MessageBinary), config) |
| 73 | + if err != nil { |
| 74 | + _ = conn.Close(websocket.StatusAbnormalClosure, err.Error()) |
| 75 | + return |
| 76 | + } |
| 77 | + err = peerbroker.ProxyListen(r.Context(), session, peerbroker.ProxyOptions{ |
| 78 | + ChannelID: resource.WorkspaceAgentID.UUID.String(), |
| 79 | + Logger: api.Logger.Named("peerbroker-proxy-dial"), |
| 80 | + Pubsub: api.Pubsub, |
| 81 | + }) |
| 82 | + if err != nil { |
| 83 | + _ = conn.Close(websocket.StatusInternalError, fmt.Sprintf("serve: %s", err)) |
| 84 | + return |
| 85 | + } |
| 86 | +} |
| 87 | + |
| 88 | +func (api *api) workspaceAgentServe(rw http.ResponseWriter, r *http.Request) { |
| 89 | + api.websocketWaitGroup.Add(1) |
| 90 | + defer api.websocketWaitGroup.Done() |
| 91 | + |
| 92 | + workspaceAgent := httpmw.WorkspaceAgent(r) |
| 93 | + conn, err := websocket.Accept(rw, r, &websocket.AcceptOptions{ |
| 94 | + CompressionMode: websocket.CompressionDisabled, |
| 95 | + }) |
| 96 | + if err != nil { |
| 97 | + httpapi.Write(rw, http.StatusBadRequest, httpapi.Response{ |
| 98 | + Message: fmt.Sprintf("accept websocket: %s", err), |
| 99 | + }) |
| 100 | + return |
| 101 | + } |
| 102 | + defer func() { |
| 103 | + _ = conn.Close(websocket.StatusNormalClosure, "") |
| 104 | + }() |
| 105 | + config := yamux.DefaultConfig() |
| 106 | + config.LogOutput = io.Discard |
| 107 | + session, err := yamux.Server(websocket.NetConn(r.Context(), conn, websocket.MessageBinary), config) |
| 108 | + if err != nil { |
| 109 | + _ = conn.Close(websocket.StatusAbnormalClosure, err.Error()) |
| 110 | + return |
| 111 | + } |
| 112 | + closer, err := peerbroker.ProxyDial(proto.NewDRPCPeerBrokerClient(provisionersdk.Conn(session)), peerbroker.ProxyOptions{ |
| 113 | + ChannelID: workspaceAgent.ID.String(), |
| 114 | + Pubsub: api.Pubsub, |
| 115 | + Logger: api.Logger.Named("peerbroker-proxy-listen"), |
| 116 | + }) |
| 117 | + if err != nil { |
| 118 | + _ = conn.Close(websocket.StatusAbnormalClosure, err.Error()) |
| 119 | + return |
| 120 | + } |
| 121 | + |
| 122 | + err = api.Database.UpdateWorkspaceAgentByID(r.Context(), database.UpdateWorkspaceAgentByIDParams{ |
| 123 | + ID: workspaceAgent.ID, |
| 124 | + UpdatedAt: sql.NullTime{ |
| 125 | + Time: database.Now(), |
| 126 | + Valid: true, |
| 127 | + }, |
| 128 | + }) |
| 129 | + if err != nil { |
| 130 | + _ = conn.Close(websocket.StatusAbnormalClosure, err.Error()) |
| 131 | + return |
| 132 | + } |
| 133 | + defer closer.Close() |
| 134 | + ticker := time.NewTicker(5 * time.Second) |
| 135 | + for { |
| 136 | + select { |
| 137 | + case <-ticker.C: |
| 138 | + err = api.Database.UpdateWorkspaceAgentByID(r.Context(), database.UpdateWorkspaceAgentByIDParams{ |
| 139 | + ID: workspaceAgent.ID, |
| 140 | + UpdatedAt: sql.NullTime{ |
| 141 | + Time: database.Now(), |
| 142 | + Valid: true, |
| 143 | + }, |
| 144 | + }) |
| 145 | + if err != nil { |
| 146 | + api.Logger.Error(r.Context(), "update workspace agent by id", slog.Error(err), slog.F("id", workspaceAgent.ID.String())) |
| 147 | + return |
| 148 | + } |
| 149 | + case <-r.Context().Done(): |
| 150 | + return |
| 151 | + } |
| 152 | + } |
| 153 | +} |
0 commit comments