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send mail in case of missing events

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This commit is contained in:
Wolfgang Hottgenroth 2017-08-26 18:56:58 +02:00
parent d9528decae
commit e52502cdd3
4 changed files with 61 additions and 52 deletions
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27
dist/missingeventdetector.js vendored
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@ -1,20 +1,45 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const nodemailer = require("nodemailer");
const log = require("./log");
const CallChain = require("./callchain");
const Processor = require("./processor");
const CHECK_PERIOD = 60; // seconds
const SMTP_HOST = "localhost";
const SMTP_PORT = 25;
const SMTP_SENDER = "dispatcher@hottis.de";
const SMTP_RECEIVER = "woho@hottis.de";
class ClientEntry {
}
class MissingEventProcessor extends Processor.AProcessor {
constructor() {
super("MissingEventProcessor");
this.clientMap = new Map();
this.smtp = nodemailer.createTransport({
host: SMTP_HOST,
port: SMTP_PORT,
secure: false
});
this.timer = setInterval(() => {
this.clientMap.forEach((value, key) => {
let currentTime = new Date().getTime();
let elapsedTime = currentTime - value.lastEvent;
log.info(`Checking ${key}, elapsed: ${elapsedTime / 1000}, avg. delay: ${value.avgDelay / 1000}`);
if ((value.avgDelay != 0) && (elapsedTime > (value.avgDelay * 3))) {
let mail = {
from: SMTP_SENDER,
to: SMTP_RECEIVER,
subject: `Missing Event Detected for ${key}`,
text: `Missing Event Detected: ${key}, elapsed: ${elapsedTime / 1000}, avg. delay: ${value.avgDelay / 1000}`
};
this.smtp.sendMail(mail)
.then((v) => {
log.info(`Missing event info mail sent, ${v.response}`);
})
.catch((reason) => {
log.error(`Failure when sending missing event info: ${reason}`);
});
}
});
}, CHECK_PERIOD * 1000);
}
@ -30,8 +55,8 @@ class MissingEventProcessor extends Processor.AProcessor {
clientEntry.count += 1;
if (clientEntry.count >= 1) {
clientEntry.delaySum += clientEntry.delay;
}
clientEntry.avgDelay = clientEntry.delaySum / clientEntry.count;
}
this.clientMap.set(client, clientEntry);
log.info(`Entry for ${client} updated`);
}

50
npm-debug.log
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@ -1,50 +0,0 @@
0 info it worked if it ends with ok
1 verbose cli [ '/usr/bin/nodejs',
1 verbose cli '/usr/bin/npm',
1 verbose cli 'start',
1 verbose cli '--',
1 verbose cli '-c',
1 verbose cli 'config.json' ]
2 info using npm@3.10.10
3 info using node@v6.11.2
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle dispatcher@1.0.0~prestart: dispatcher@1.0.0
6 silly lifecycle dispatcher@1.0.0~prestart: no script for prestart, continuing
7 info lifecycle dispatcher@1.0.0~start: dispatcher@1.0.0
8 verbose lifecycle dispatcher@1.0.0~start: unsafe-perm in lifecycle true
9 verbose lifecycle dispatcher@1.0.0~start: PATH: /usr/lib/node_modules/npm/bin/node-gyp-bin:/home/wn/workspace-node/Dispatcher/node_modules/.bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games:/home/wn/.local/bin:/home/wn/bin:/opt/jdk/bin:/opt/apache-maven/bin:/home/wn/mos/bin
10 verbose lifecycle dispatcher@1.0.0~start: CWD: /home/wn/workspace-node/Dispatcher
11 silly lifecycle dispatcher@1.0.0~start: Args: [ '-c', 'node dist/main.js "-c" "config.json"' ]
12 silly lifecycle dispatcher@1.0.0~start: Returned: code: 1 signal: null
13 info lifecycle dispatcher@1.0.0~start: Failed to exec start script
14 verbose stack Error: dispatcher@1.0.0 start: `node dist/main.js "-c" "config.json"`
14 verbose stack Exit status 1
14 verbose stack at EventEmitter.<anonymous> (/usr/lib/node_modules/npm/lib/utils/lifecycle.js:255:16)
14 verbose stack at emitTwo (events.js:106:13)
14 verbose stack at EventEmitter.emit (events.js:191:7)
14 verbose stack at ChildProcess.<anonymous> (/usr/lib/node_modules/npm/lib/utils/spawn.js:40:14)
14 verbose stack at emitTwo (events.js:106:13)
14 verbose stack at ChildProcess.emit (events.js:191:7)
14 verbose stack at maybeClose (internal/child_process.js:891:16)
14 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:226:5)
15 verbose pkgid dispatcher@1.0.0
16 verbose cwd /home/wn/workspace-node/Dispatcher
17 error Linux 4.9.0-3-amd64
18 error argv "/usr/bin/nodejs" "/usr/bin/npm" "start" "--" "-c" "config.json"
19 error node v6.11.2
20 error npm v3.10.10
21 error code ELIFECYCLE
22 error dispatcher@1.0.0 start: `node dist/main.js "-c" "config.json"`
22 error Exit status 1
23 error Failed at the dispatcher@1.0.0 start script 'node dist/main.js "-c" "config.json"'.
23 error Make sure you have the latest version of node.js and npm installed.
23 error If you do, this is most likely a problem with the dispatcher package,
23 error not with npm itself.
23 error Tell the author that this fails on your system:
23 error node dist/main.js "-c" "config.json"
23 error You can get information on how to open an issue for this project with:
23 error npm bugs dispatcher
23 error Or if that isn't available, you can get their info via:
23 error npm owner ls dispatcher
23 error There is likely additional logging output above.
24 verbose exit [ 1, true ]

4
package.json
View File

@ -17,6 +17,7 @@
"@types/mongodb": "^2.2.10",
"@types/mqtt": "0.0.34",
"@types/node": "^8.0.14",
"@types/nodemailer": "^3.1.2",
"typescript": "^2.4.2"
},
"dependencies": {
@ -24,6 +25,7 @@
"command-line-args": "^4.0.7",
"moment": "^2.18.1",
"mongodb": "^2.2.31",
"mqtt": "^2.9.2"
"mqtt": "^2.9.2",
"nodemailer": "^4.0.1"
}
}

32
src/missingeventdetector.ts
View File

@ -1,9 +1,15 @@
import * as nodemailer from 'nodemailer'
import * as log from './log'
import * as CallChain from './callchain'
import * as Processor from './processor'
const CHECK_PERIOD : number = 60 // seconds
const SMTP_HOST : string = "localhost"
const SMTP_PORT : number = 25
const SMTP_SENDER : string = "dispatcher@hottis.de"
const SMTP_RECEIVER : string = "woho@hottis.de"
class ClientEntry {
client : string
@ -17,14 +23,40 @@ class ClientEntry {
class MissingEventProcessor extends Processor.AProcessor {
private timer : NodeJS.Timer
private clientMap : Map<string, ClientEntry> = new Map<string, ClientEntry>()
private smtp : nodemailer.Transporter
constructor() {
super("MissingEventProcessor")
this.smtp = nodemailer.createTransport({
host: SMTP_HOST,
port: SMTP_PORT,
secure: false
});
this.timer = setInterval(() => {
this.clientMap.forEach((value : ClientEntry, key : string) : void => {
let currentTime : number = new Date().getTime()
let elapsedTime : number = currentTime - value.lastEvent
log.info(`Checking ${key}, elapsed: ${elapsedTime / 1000}, avg. delay: ${value.avgDelay / 1000}`)
if ((value.avgDelay != 0) && (elapsedTime > (value.avgDelay * 3))) {
let mail : nodemailer.SendMailOptions = {
from: SMTP_SENDER,
to: SMTP_RECEIVER,
subject: `Missing Event Detected for ${key}`,
text: `Missing Event Detected: ${key}, elapsed: ${elapsedTime / 1000}, avg. delay: ${value.avgDelay / 1000}`
};
this.smtp.sendMail(mail)
.then((v : nodemailer.SentMessageInfo) => {
log.info(`Missing event info mail sent, ${v.response}`)
})
.catch((reason : any) => {
log.error(`Failure when sending missing event info: ${reason}`)
})
}
})
}, CHECK_PERIOD * 1000)
}