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Add support for Discord #1

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eb7f781
Add support for Discord
Mar 11, 2021
74dd690
Update index.js
Mar 11, 2021
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5 changes: 3 additions & 2 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -4,17 +4,18 @@
[![MicroBadger Size](https://img.shields.io/microbadger/image-size/hackaburg/watchdog)](https://hub.docker.com/r/hackaburg/watchdog)
[![MicroBadger Layers](https://img.shields.io/microbadger/layers/hackaburg/watchdog)](https://hub.docker.com/r/hackaburg/watchdog)

If run inside a docker-compose setup, the watchdog will notify the configured Slack channel about its shutdown.
If run inside a docker-compose setup, the watchdog will notify the configured Slack channel (or Discord server) about its shutdown.

## Usage

To get the watchdog, simply pull the `hackaburg/watchdog` image from the Docker hub and pass in your Slack webhook url as an environment variable:
To get the watchdog, simply pull the `hackaburg/watchdog` image from the Docker hub and pass in your Slack (or Discord) webhook url as an environment variable:

```bash
$ docker run \
--rm \
-it \
-e SLACK_WEBHOOK_URL=https://your-slack-webhook_url \
-e DISCORD_WEBHOOK_URL=https://your-discord-webhook_url \
hackaburg/watchdog
```

Expand Down
48 changes: 40 additions & 8 deletions index.js
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Original file line number Diff line number Diff line change
@@ -1,22 +1,54 @@
const { IncomingWebhook } = require("@slack/webhook");
const token = process.env.SLACK_WEBHOOK_URL;
const hook = new IncomingWebhook(token);
const discord = require("discord.js");

const slackToken = process.env.SLACK_WEBHOOK_URL;
const discordToken = process.env.DISCORD_WEBHOOK_URL;

const slackHook, discordHook;

if (slackToken) {
slackHook = new IncomingWebhook(slackToken);
}

if (discordToken) {
// Structure of discord webhook URL: https://discord.com/api/webhooks/[id]/[token]
const discordCredentials = discordToken
.replace("https://discord.com/api/webhooks/", "")
.split("/");

discordHook = new discord.WebhookClient(
discordCredentials[0],
discordCredentials[1]
);
}

for (const signal of ["SIGTERM", "SIGINT", "SIGUSR1", "SIGUSR2"]) {
process.on(signal, async () => {
console.log(`received signal ${signal}`);

await hook.send({
text: `received signal ${signal}, about to shut down!`,
});
if (slackToken) {
await slackHook.send({
text: `received signal ${signal}, about to shut down!`,
});
}

if (discordToken) {
discordHook.send(`received signal ${signal}, about to shut down!`);
}

process.exit();
});
}

hook.send({
text: "watchdog started",
});
if (slackToken) {
slackHook.send({
text: "watchdog started",
});
}

if (discordToken) {
discordHook.send("watchdog started");
}

function wake() {
setTimeout(wake, 60 * 60 * 1000);
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3 changes: 2 additions & 1 deletion package.json
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Expand Up @@ -8,7 +8,8 @@
"license": "MIT",
"private": true,
"dependencies": {
"@slack/webhook": "^5.0.1"
"@slack/webhook": "^5.0.1",
"discord.js": "^12.5.1"
},
"scripts": {
"start": "node index.js"
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94 changes: 94 additions & 0 deletions yarn.lock
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,20 @@
# yarn lockfile v1


"@discordjs/collection@^0.1.6":
version "0.1.6"
resolved "https://registry.yarnpkg.com/@discordjs/collection/-/collection-0.1.6.tgz#9e9a7637f4e4e0688fd8b2b5c63133c91607682c"
integrity sha512-utRNxnd9kSS2qhyivo9lMlt5qgAUasH2gb7BEOn6p0efFh24gjGomHzWKMAPn2hEReOPQZCJaRKoURwRotKucQ==

"@discordjs/form-data@^3.0.1":
version "3.0.1"
resolved "https://registry.yarnpkg.com/@discordjs/form-data/-/form-data-3.0.1.tgz#5c9e6be992e2e57d0dfa0e39979a850225fb4697"
integrity sha512-ZfFsbgEXW71Rw/6EtBdrP5VxBJy4dthyC0tpQKGKmYFImlmmrykO14Za+BiIVduwjte0jXEBlhSKf0MWbFp9Eg==
dependencies:
asynckit "^0.4.0"
combined-stream "^1.0.8"
mime-types "^2.1.12"

"@slack/types@^1.1.0":
version "1.1.0"
resolved "https://registry.yarnpkg.com/@slack/types/-/types-1.1.0.tgz#64465b6c7e2db66498f335934335da81c15812e7"
Expand All @@ -21,6 +35,18 @@
resolved "https://registry.yarnpkg.com/@types/node/-/node-12.7.1.tgz#3b5c3a26393c19b400844ac422bd0f631a94d69d"
integrity sha512-aK9jxMypeSrhiYofWWBf/T7O+KwaiAHzM4sveCdWPn71lzUSMimRnKzhXDKfKwV1kWoBo2P1aGgaIYGLf9/ljw==

abort-controller@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/abort-controller/-/abort-controller-3.0.0.tgz#eaf54d53b62bae4138e809ca225c8439a6efb392"
integrity sha512-h8lQ8tacZYnR3vNQTgibj+tODHI5/+l06Au2Pcriv/Gmet0eaj4TwWH41sO9wnHDiQsEj19q0drzdWdeAHtweg==
dependencies:
event-target-shim "^5.0.0"

asynckit@^0.4.0:
version "0.4.0"
resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
integrity sha1-x57Zf380y48robyXkLzDZkdLS3k=

axios@^0.18.0:
version "0.18.1"
resolved "https://registry.yarnpkg.com/axios/-/axios-0.18.1.tgz#ff3f0de2e7b5d180e757ad98000f1081b87bcea3"
Expand All @@ -29,13 +55,44 @@ axios@^0.18.0:
follow-redirects "1.5.10"
is-buffer "^2.0.2"

combined-stream@^1.0.8:
version "1.0.8"
resolved "https://registry.yarnpkg.com/combined-stream/-/combined-stream-1.0.8.tgz#c3d45a8b34fd730631a110a8a2520682b31d5a7f"
integrity sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==
dependencies:
delayed-stream "~1.0.0"

debug@=3.1.0:
version "3.1.0"
resolved "https://registry.yarnpkg.com/debug/-/debug-3.1.0.tgz#5bb5a0672628b64149566ba16819e61518c67261"
integrity sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==
dependencies:
ms "2.0.0"

delayed-stream@~1.0.0:
version "1.0.0"
resolved "https://registry.yarnpkg.com/delayed-stream/-/delayed-stream-1.0.0.tgz#df3ae199acadfb7d440aaae0b29e2272b24ec619"
integrity sha1-3zrhmayt+31ECqrgsp4icrJOxhk=

discord.js@^12.5.1:
version "12.5.1"
resolved "https://registry.yarnpkg.com/discord.js/-/discord.js-12.5.1.tgz#992b45753e3815526a279914ccc281d3496f5990"
integrity sha512-VwZkVaUAIOB9mKdca0I5MefPMTQJTNg0qdgi1huF3iwsFwJ0L5s/Y69AQe+iPmjuV6j9rtKoG0Ta0n9vgEIL6w==
dependencies:
"@discordjs/collection" "^0.1.6"
"@discordjs/form-data" "^3.0.1"
abort-controller "^3.0.0"
node-fetch "^2.6.1"
prism-media "^1.2.2"
setimmediate "^1.0.5"
tweetnacl "^1.0.3"
ws "^7.3.1"

event-target-shim@^5.0.0:
version "5.0.1"
resolved "https://registry.yarnpkg.com/event-target-shim/-/event-target-shim-5.0.1.tgz#5d4d3ebdf9583d63a5333ce2deb7480ab2b05789"
integrity sha512-i/2XbnSz/uxRCU6+NdVJgKWDTM427+MqYbkQzD321DuCQJUqOuJKIA0IM2+W2xtYHdKOmZ4dR6fExsd4SXL+WQ==

follow-redirects@1.5.10:
version "1.5.10"
resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
Expand All @@ -48,7 +105,44 @@ is-buffer@^2.0.2:
resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-2.0.3.tgz#4ecf3fcf749cbd1e472689e109ac66261a25e725"
integrity sha512-U15Q7MXTuZlrbymiz95PJpZxu8IlipAp4dtS3wOdgPXx3mqBnslrWU14kxfHB+Py/+2PVKSr37dMAgM2A4uArw==

mime-db@1.46.0:
version "1.46.0"
resolved "https://registry.yarnpkg.com/mime-db/-/mime-db-1.46.0.tgz#6267748a7f799594de3cbc8cde91def349661cee"
integrity sha512-svXaP8UQRZ5K7or+ZmfNhg2xX3yKDMUzqadsSqi4NCH/KomcH75MAMYAGVlvXn4+b/xOPhS3I2uHKRUzvjY7BQ==

mime-types@^2.1.12:
version "2.1.29"
resolved "https://registry.yarnpkg.com/mime-types/-/mime-types-2.1.29.tgz#1d4ab77da64b91f5f72489df29236563754bb1b2"
integrity sha512-Y/jMt/S5sR9OaqteJtslsFZKWOIIqMACsJSiHghlCAyhf7jfVYjKBmLiX8OgpWeW+fjJ2b+Az69aPFPkUOY6xQ==
dependencies:
mime-db "1.46.0"

ms@2.0.0:
version "2.0.0"
resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
integrity sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=

node-fetch@^2.6.1:
version "2.6.1"
resolved "https://registry.yarnpkg.com/node-fetch/-/node-fetch-2.6.1.tgz#045bd323631f76ed2e2b55573394416b639a0052"
integrity sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw==

prism-media@^1.2.2:
version "1.2.7"
resolved "https://registry.yarnpkg.com/prism-media/-/prism-media-1.2.7.tgz#697c9630e2a473a5dfab19c71eba398a083c2bf0"
integrity sha512-thS1z3L6BDmf724sqLC73bHGjSYArFTYHa7cqInyS3EdDNTHKgDCXy7l+IhRvlnX7aFNiUb8jJcC+R8ezxwgMA==

setimmediate@^1.0.5:
version "1.0.5"
resolved "https://registry.yarnpkg.com/setimmediate/-/setimmediate-1.0.5.tgz#290cbb232e306942d7d7ea9b83732ab7856f8285"
integrity sha1-KQy7Iy4waULX1+qbg3Mqt4VvgoU=

tweetnacl@^1.0.3:
version "1.0.3"
resolved "https://registry.yarnpkg.com/tweetnacl/-/tweetnacl-1.0.3.tgz#ac0af71680458d8a6378d0d0d050ab1407d35596"
integrity sha512-6rt+RN7aOi1nGMyC4Xa5DdYiukl2UWCbcJft7YhxReBGQD7OAM8Pbxw6YMo4r2diNEA8FEmu32YOn9rhaiE5yw==

ws@^7.3.1:
version "7.4.4"
resolved "https://registry.yarnpkg.com/ws/-/ws-7.4.4.tgz#383bc9742cb202292c9077ceab6f6047b17f2d59"
integrity sha512-Qm8k8ojNQIMx7S+Zp8u/uHOx7Qazv3Yv4q68MiWWWOJhiwG5W3x7iqmRtJo8xxrciZUY4vRxUTJCKuRnF28ZZw==