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Merge pull request #7 from digitalcredentials/jc-add-healthz
add healthz endpoint
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,18 @@ | ||
| **/*.env | ||
| .git | ||
| .github | ||
| .husky | ||
| coverage | ||
| logs | ||
| node_modules | ||
| .dockerignore | ||
| .editorconfig | ||
| .eslintrc.cjs | ||
| .gitignore | ||
| .lintstagedrc.json | ||
| .prettierignore | ||
| .prettierrc.js | ||
| compose-test.yaml | ||
| Dockerfile | ||
| README | ||
| .env.healthcheck.testing |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| _ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,30 +1,9 @@ | ||
| #!/bin/sh | ||
| if [ -z "$husky_skip_init" ]; then | ||
| debug () { | ||
| [ "$HUSKY_DEBUG" = "1" ] && echo "husky (debug) - $1" | ||
| } | ||
| echo "husky - DEPRECATED | ||
| readonly hook_name="$(basename "$0")" | ||
| debug "starting $hook_name..." | ||
| Please remove the following two lines from $0: | ||
| if [ "$HUSKY" = "0" ]; then | ||
| debug "HUSKY env variable is set to 0, skipping hook" | ||
| exit 0 | ||
| fi | ||
| #!/usr/bin/env sh | ||
| . \"\$(dirname -- \"\$0\")/_/husky.sh\" | ||
| if [ -f ~/.huskyrc ]; then | ||
| debug "sourcing ~/.huskyrc" | ||
| . ~/.huskyrc | ||
| fi | ||
|
|
||
| export readonly husky_skip_init=1 | ||
| sh -e "$0" "$@" | ||
| exitCode="$?" | ||
|
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||
| if [ $exitCode != 0 ]; then | ||
| echo "husky - $hook_name hook exited with code $exitCode (error)" | ||
| exit $exitCode | ||
| fi | ||
|
|
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| exit 0 | ||
| fi | ||
| They WILL FAIL in v10.0.0 | ||
| " |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| #!/bin/sh | ||
| . "$(dirname "$0")/_/husky.sh" | ||
|
|
||
| npx lint-staged | ||
| npm test |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| { | ||
| "*.js": [ | ||
| "prettier --write", | ||
| "eslint" | ||
| ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| build | ||
| coverage | ||
| node_modules |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| export default { | ||
| trailingComma: 'none', | ||
| tabWidth: 2, | ||
| semi: false, | ||
| singleQuote: true, | ||
| bracketSpacing: true | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,11 @@ | ||
| import globals from 'globals' | ||
| import pluginJs from '@eslint/js' | ||
| import eslintConfigPrettier from 'eslint-config-prettier' | ||
| import mochaPlugin from 'eslint-plugin-mocha' | ||
|
|
||
| export default [ | ||
| { languageOptions: { globals: globals.node } }, | ||
| mochaPlugin.configs.flat.recommended, | ||
| pluginJs.configs.recommended, | ||
| eslintConfigPrettier | ||
| ] |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| import nodemailer from 'nodemailer' | ||
| import axios from 'axios' | ||
|
|
||
| const serviceURL = process.env.HEALTH_CHECK_SERVICE_URL | ||
| const serviceName = process.env.HEALTH_CHECK_SERVICE_NAME | ||
| const shouldPostToWebHook = process.env.HEALTH_CHECK_WEB_HOOK | ||
| const shouldSendEmail = | ||
| process.env.HEALTH_CHECK_SMTP_HOST && | ||
| process.env.HEALTH_CHECK_SMTP_USER && | ||
| process.env.HEALTH_CHECK_SMTP_PASS && | ||
| process.env.HEALTH_CHECK_EMAIL_FROM && | ||
| process.env.HEALTH_CHECK_EMAIL_RECIPIENT | ||
|
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||
| axios | ||
| .get(serviceURL) | ||
| .then(async function (response) { | ||
| try { | ||
| const body = response.data | ||
| if (body.healthy === true) { | ||
| process.exit(0) | ||
| } | ||
| await notify(`${serviceName} is unhealthy: ${body.error}`) | ||
| process.exit(1) | ||
| } catch (error) { | ||
| await notify( | ||
| `${serviceName} is potentially unhealthy - error: ${JSON.stringify(error)}` | ||
| ) | ||
| process.exit(1) | ||
| } | ||
| }) | ||
| .catch(async (error) => { | ||
| await notify( | ||
| `${serviceName} is unhealthy and will restart after 3 tries. Error: ${error.message}` | ||
| ) | ||
| process.exit(1) | ||
| }) | ||
|
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| async function notify(message) { | ||
| console.log(message) | ||
| if (shouldSendEmail) await sendMail(message) | ||
| if (shouldPostToWebHook) await postToWebHook(message) | ||
| } | ||
|
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| async function postToWebHook(text) { | ||
| await axios | ||
| .post(process.env.HEALTH_CHECK_WEB_HOOK, { text }) | ||
| .catch((error) => { | ||
| console.error(error) | ||
| }) | ||
| } | ||
|
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| async function sendMail(message) { | ||
| const messageParams = { | ||
| from: process.env.HEALTH_CHECK_EMAIL_FROM, | ||
| to: process.env.HEALTH_CHECK_EMAIL_RECIPIENT, | ||
| subject: process.env.HEALTH_CHECK_EMAIL_SUBJECT, | ||
| text: message | ||
| } | ||
|
|
||
| const mailTransport = { | ||
| host: process.env.HEALTH_CHECK_SMTP_HOST, | ||
| auth: { | ||
| user: process.env.HEALTH_CHECK_SMTP_USER, | ||
| pass: process.env.HEALTH_CHECK_SMTP_PASS | ||
| }, | ||
| ...(process.env.HEALTH_CHECK_SMTP_PORT && { | ||
| port: process.env.HEALTH_CHECK_SMTP_PORT | ||
| }) | ||
| } | ||
|
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| const transporter = nodemailer.createTransport(mailTransport) | ||
|
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||
| try { | ||
| await transporter.sendMail(messageParams) | ||
| } catch (error) { | ||
| console.log('the email send error: ') | ||
| console.log(error) | ||
| } | ||
| } | ||
|
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| //import * as http from 'node:http'; | ||
| /* const options = { hostname: 'SIGNER', port: (process.env.PORT || 4006), path: '/healthz', method: 'GET' }; | ||
| http | ||
| .request(options, (res) => { | ||
| let body = ''; | ||
| res.on('data', (chunk) => { | ||
| body += chunk; | ||
| }); | ||
| res.on('end', async () => { | ||
| try { | ||
| const response = JSON.parse(body); | ||
| if (response.healthy === true) { | ||
| console.log('healthy response received: ', body); | ||
| await sendMail("It worked!") | ||
| process.exit(0); | ||
| } | ||
| console.log('Unhealthy response received: ', body); | ||
| await sendMail(`It worked, but with error: ${JSON.stringify(body)}`) | ||
| process.exit(1); | ||
| } catch (err) { | ||
| console.log('Error parsing JSON response body: ', err); | ||
| process.exit(1); | ||
| } | ||
| }); | ||
| }) | ||
| .on('error', (err) => { | ||
| console.log('Error: ', err); | ||
| process.exit(1); | ||
| }) | ||
| .end(); */ |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| export default function TransactionException(code, message, stack) { | ||
| this.code = code | ||
| this.message = message | ||
| this.stack = stack | ||
| } | ||
|
|
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