omelop
Version:
[](https://travis-ci.org/node-omelop/omelop)
124 lines • 10.7 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.MonitorWatcherModule = void 0;
const omelop_logger_1 = require("omelop-logger");
const utils = require("../util/utils");
const events_1 = require("../util/events");
const Constants = require("../util/constants");
const path = require("path");
let logger = (0, omelop_logger_1.getLogger)('omelop', path.basename(__filename));
class MonitorWatcherModule {
constructor(opts, consoleService) {
this.app = opts.app;
this.service = consoleService;
this.id = this.app.getServerId();
this.app.event.on(events_1.default.START_SERVER, finishStart.bind(null, this));
}
start(cb) {
subscribeRequest(this, this.service.agent, this.id, cb);
}
monitorHandler(agent, msg, cb) {
if (!msg || !msg.action) {
return;
}
let func = monitorMethods[msg.action];
if (!func) {
logger.info('monitorwatcher unknown action: %j', msg.action);
return;
}
func(this, agent, msg, cb);
}
}
exports.MonitorWatcherModule = MonitorWatcherModule;
MonitorWatcherModule.moduleId = Constants.KEYWORDS.MONITOR_WATCHER;
// ----------------- monitor start method -------------------------
let subscribeRequest = function (self, agent, id, cb) {
let msg = { action: 'subscribe', id: id };
agent.request(Constants.KEYWORDS.MASTER_WATCHER, msg, function (err, servers) {
if (err) {
logger.error('subscribeRequest request to master with error: %j', err.stack);
utils.invokeCallback(cb, err);
}
let res = [];
for (let id in servers) {
res.push(servers[id]);
}
addServers(self, res);
utils.invokeCallback(cb);
});
};
// ----------------- monitor request methods -------------------------
let addServer = function (self, agent, msg, cb) {
logger.debug('[%s] receive addServer signal: %j', self.app.serverId, msg);
if (!msg || !msg.server) {
logger.warn('monitorwatcher addServer receive empty message: %j', msg);
utils.invokeCallback(cb, Constants.SIGNAL.FAIL);
return;
}
addServers(self, [msg.server]);
utils.invokeCallback(cb, Constants.SIGNAL.OK);
};
let removeServer = function (self, agent, msg, cb) {
logger.debug('%s receive removeServer signal: %j', self.app.serverId, msg);
if (!msg || !msg.id) {
logger.warn('monitorwatcher removeServer receive empty message: %j', msg);
utils.invokeCallback(cb, Constants.SIGNAL.FAIL);
return;
}
removeServers(self, [msg.id]);
utils.invokeCallback(cb, Constants.SIGNAL.OK);
};
let replaceServer = function (self, agent, msg, cb) {
logger.debug('%s receive replaceServer signal: %j', self.app.serverId, msg);
if (!msg || !msg.servers) {
logger.warn('monitorwatcher replaceServer receive empty message: %j', msg);
utils.invokeCallback(cb, Constants.SIGNAL.FAIL);
return;
}
replaceServers(self, msg.servers);
utils.invokeCallback(cb, Constants.SIGNAL.OK);
};
let startOver = function (self, agent, msg, cb) {
for (let component of self.app.loaded) {
let fun = component[Constants.RESERVED.AFTER_STARTALL];
if (!!fun) {
fun.call(component);
}
}
for (let lifecycle of self.app.usedPlugins) {
let fun = lifecycle[Constants.LIFECYCLE.AFTER_STARTALL];
if (!!fun) {
fun.call(lifecycle, self.app);
}
}
self.app.event.emit(events_1.default.START_ALL);
utils.invokeCallback(cb, Constants.SIGNAL.OK);
};
// ----------------- common methods -------------------------
let addServers = function (self, servers) {
if (!servers || !servers.length) {
return;
}
self.app.addServers(servers);
};
let removeServers = function (self, ids) {
if (!ids || !ids.length) {
return;
}
self.app.removeServers(ids);
};
let replaceServers = function (self, servers) {
self.app.replaceServers(servers);
};
// ----------------- bind methods -------------------------
let finishStart = function (self, id) {
let msg = { action: 'record', id: id };
self.service.agent.notify(Constants.KEYWORDS.MASTER_WATCHER, msg);
};
let monitorMethods = {
'addServer': addServer,
'removeServer': removeServer,
'replaceServer': replaceServer,
'startOver': startOver
};
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