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/*! Copyright (c) 2023 Siemens AG. Licensed under the MIT License. */
Object.defineProperty(exports, "__esModule", { value: true });
exports.TnConnector = void 0;
const core_1 = require("@coaty/core");
const grpc_js_1 = require("@grpc/grpc-js");
const fs_1 = require("fs");
const path = require("path");
const agent_info_1 = require("../agent.info");
const tn_communication_controller_1 = require("../controller/tn-communication-controller");
const tn_consensus_controller_1 = require("../controller/tn-consensus-controller");
const tn_lifecycle_controller_1 = require("../controller/tn-lifecycle-controller");
const routing_service_1 = require("../service/routing-service");
const tn_communication_service_1 = require("../service/tn-communication-service");
const tn_consensus_service_1 = require("../service/tn-consensus-service");
const tn_lifecycle_service_1 = require("../service/tn-lifecycle-service");
const grpc_package_1 = require("./grpc-package");
class TnConnector {
constructor(options) {
this._isCoatyAgentOnline = false;
this.debug = options.debug.extend("TnConnector");
this._serviceImpls = new Map();
this._setOptionsWithDefaults(options);
}
get coatyAgent() {
return this._coatyAgent;
}
get options() {
return this._options;
}
static async start(options) {
const tnc = new TnConnector(options);
tnc.debug("Starting up with options %j", tnc.options);
tnc._resolveCoatyAgent(false);
tnc._createGrpcPackage();
tnc._createGrpcServer();
await tnc._startGrpcServer();
return tnc;
}
async stop(gracefully = true) {
await Promise.allSettled(Array.from(this._serviceImpls.values()).map(s => s.onStopping()));
await this._stopGrpcServer(gracefully);
this._shutdownCoatyAgent();
}
async restartCoatyCommunication(comOptions) {
Iif (this.coatyAgent === undefined) {
throw new Error("TnConnector has been stopped");
}
await this.coatyAgent.communicationManager.stop();
this.debug("TNC agent communication stopped");
const { coatyAgentIdentityName, coatyAgentIdentityId } = this._options;
this._setOptionsWithDefaults({
...this._options,
...comOptions,
debug: this.options.debug,
grpcProtoPath: this.options.grpcProtoPath,
grpcServerPort: this.options.grpcServerPort,
consensusDatabaseFolder: this.options.consensusDatabaseFolder,
});
if (this.options.coatyAgentIdentityId !== coatyAgentIdentityId ||
this.options.coatyAgentIdentityName !== coatyAgentIdentityName) {
this._shutdownCoatyAgent();
this._resolveCoatyAgent(true);
}
await this.coatyAgent.communicationManager.start({ binding: this._getCoatyComBinding() });
this.debug("TNC agent communication restarted with options %o", this.options);
}
_setOptionsWithDefaults(options) {
const optionalDefaults = {
coatyAgentIdentityName: "FlowPro Agent",
coatyAgentIdentityId: core_1.Runtime.newUuid(),
coatyBrokerUrl: "",
coatyNamespace: "tnc",
coatyUsername: "",
coatyPassword: "",
coatyTlsCert: "",
coatyTlsKey: "",
coatyVerifyServerCert: "true",
coatyFailFastIfOffline: "true",
grpcProtoPath: path.join(__dirname, "../proto/"),
grpcServerPort: "50060",
consensusDatabaseFolder: "",
};
this._options = Object.assign(optionalDefaults, options);
try {
Iif (this._options.coatyTlsCert !== "" && !this._options.coatyTlsCert.startsWith("-----BEGIN CERTIFICATE-----")) {
this._options.coatyTlsCert = (0, fs_1.readFileSync)(this._options.coatyTlsCert, { encoding: "utf8" });
}
Iif (this._options.coatyTlsKey !== "" && !this._options.coatyTlsKey.startsWith("-----BEGIN RSA PRIVATE KEY-----")) {
this._options.coatyTlsKey = (0, fs_1.readFileSync)(this._options.coatyTlsKey, { encoding: "utf8" });
}
}
catch (error) {
this.debug("Couldn't read Coaty TLS certificate or private key file: %s", error.message);
}
}
_resolveCoatyAgent(suppressAutoStart) {
const comps = {
controllers: {
ObjectLifecycleController: core_1.ObjectLifecycleController,
TnCommunicationController: tn_communication_controller_1.TnCommunicationController,
TnLifecycleController: tn_lifecycle_controller_1.TnLifecycleController,
TnConsensusController: tn_consensus_controller_1.TnConsensusController,
},
};
const controllerConfig = {
TnCommunicationController: {},
TnLifecycleController: {},
TnConsensusController: {},
};
const config = {
common: {
agentInfo: agent_info_1.agentInfo,
agentIdentity: {
name: this.options.coatyAgentIdentityName,
objectId: this.options.coatyAgentIdentityId,
},
extra: this.options,
},
communication: {
binding: this._getCoatyComBinding(),
shouldAutoStart: !suppressAutoStart && !!this.options.coatyBrokerUrl,
},
controllers: controllerConfig,
databases: {
raftStore: {
adapter: "SqLiteNodeAdapter",
connectionString: path.join(this.options.consensusDatabaseFolder, `flowpro-tnc-raft-${this.options.coatyAgentIdentityId}.db`),
},
},
};
config.common.agentIdentity["role"] = TnConnector.IDENTITY_ROLE;
const container = core_1.Container.resolve(comps, config);
this.debug("TNC agent resolved with identity %o", container.identity);
container.communicationManager.observeCommunicationState()
.subscribe(state => {
if (container.communicationManager === undefined) {
this._isCoatyAgentOnline = false;
return;
}
this._isCoatyAgentOnline = state === core_1.CommunicationState.Online;
const comOptions = container.communicationManager.options.binding.options;
this.debug("TNC agent communication state: %s on namespace '%s' at %s", this._isCoatyAgentOnline ? "online" : "offline", comOptions.namespace, comOptions.brokerUrl || "not yet specified broker URL");
});
container.communicationManager.observeOperatingState()
.subscribe(opState => {
this.debug("TNC agent operating state: %s", opState === core_1.OperatingState.Started ? "started" : "stopped");
});
this._coatyAgent = container;
}
_shutdownCoatyAgent() {
const agent = this.coatyAgent;
if (agent !== undefined) {
this._coatyAgent = undefined;
this._isCoatyAgentOnline = false;
this.debug("Shutting down Coaty agent '%s' with identity %s", agent.identity.name, agent.identity.objectId);
agent.shutdown();
}
}
_getCoatyComBinding() {
const bindingOptions = {
namespace: this.options.coatyNamespace,
brokerUrl: this.options.coatyBrokerUrl,
};
Iif (this.options.coatyUsername) {
bindingOptions.username = this.options.coatyUsername;
}
Iif (this.options.coatyPassword) {
bindingOptions.password = this.options.coatyPassword;
}
Iif (this.options.coatyTlsCert && this.options.coatyTlsKey) {
bindingOptions.tlsOptions = {
cert: this.options.coatyTlsCert,
key: this.options.coatyTlsKey,
};
if (this.options.coatyVerifyServerCert === "false") {
bindingOptions.tlsOptions.rejectUnauthorized = false;
}
}
Iif ((bindingOptions.brokerUrl.startsWith("wss")
|| bindingOptions.brokerUrl.startsWith("wxs")
|| bindingOptions.brokerUrl.startsWith("alis"))
&& this.options.coatyVerifyServerCert === "false") {
bindingOptions.wsOptions = {
rejectUnauthorized: false,
};
}
return core_1.MqttBinding.withOptions(bindingOptions);
}
_createGrpcPackage() {
const protos = ["tnc_coaty.proto", "tnc_icc.proto", "tnc_life.proto", "tnc_consensus.proto"];
this._grpcPackage = new grpc_package_1.GrpcPackage(protos.map(p => path.join(this.options.grpcProtoPath, p)));
this.debug("Loaded gRPC protobuf definitions from %s", protos.join(", "));
}
_createGrpcServer() {
const server = new grpc_js_1.Server();
this._addServiceImpl(server, "flowpro.tnc.icc.RoutingService", new routing_service_1.RoutingService(this.debug));
this._addServiceImpl(server, "flowpro.tnc.coaty.CommunicationService", new tn_communication_service_1.TnCommunicationService(() => this.coatyAgent.getController("TnCommunicationController"), () => this.options, () => this._isCoatyAgentOnline, this.debug, opts => this.restartCoatyCommunication(opts)));
this._addServiceImpl(server, "flowpro.tnc.life.LifecycleService", new tn_lifecycle_service_1.TnLifecycleService(() => this.coatyAgent.getController("TnLifecycleController"), () => this.options, () => this._isCoatyAgentOnline, this.debug));
this._addServiceImpl(server, "flowpro.tnc.consensus.ConsensusService", new tn_consensus_service_1.TnConsensusService(() => this.coatyAgent.getController("TnConsensusController"), () => this.options, () => this._isCoatyAgentOnline, this.debug));
this._grpcServer = server;
}
_addServiceImpl(server, serviceName, impl) {
this._serviceImpls.set(serviceName, impl);
server.addService(this._grpcPackage.getServiceDefinition(serviceName), impl.handlers);
}
async _startGrpcServer() {
return new Promise((resolve, reject) => {
const server = this._grpcServer;
Iif (!server) {
reject(new Error("gRPC server not yet created"));
return;
}
server.bindAsync("0.0.0.0:" + this.options.grpcServerPort, grpc_js_1.ServerCredentials.createInsecure(), (error, port) => {
Iif (error) {
reject(new Error(`grpc Server port ${this.options.grpcServerPort} could not be bound. Is port already in use or blocked by firewall? Original error: ${error.message}`));
return;
}
server.start();
this.debug("Started gRPC server on port %d", port);
resolve();
});
});
}
async _stopGrpcServer(gracefully) {
return new Promise(resolve => {
const server = this._grpcServer;
if (server !== undefined) {
this._grpcServer = undefined;
if (gracefully) {
server.tryShutdown(() => {
this.debug("Stopped gRPC server");
resolve();
});
}
else {
server.forceShutdown();
resolve();
}
}
else {
resolve();
}
});
}
}
exports.TnConnector = TnConnector;
TnConnector.IDENTITY_ROLE = "TNC Agent";
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