4 files changed, 91 insertions(+), 4 deletions(-)

M docs/hosting-design.md
M serve/app.js
M serve/package-lock.json
M serve/package.json

@@ 4,4 4,3 @@ For the near term storing webpages on the disk of the machine that is
 serving them is a fine approach. Long term we'll want to move towards
 storing things inside of s3 buckets but the host machine has a 40gb
 SSD which should last for a while.
-

@@ 1,6 1,7 @@
 const express = require('express')
 const jwt = require('jsonwebtoken')
 const { execFile } = require('child_process')
+const axios = require('axios')
 
 require('dotenv').config()
 


@@ 11,6 12,18 @@ const jobStatusMap = new Map()
 
 app.use(express.json())
 
+// Sends a message to the zekebots discord channel. Doesn't wait for
+// the message to send and logs an error / success message as needed.
+const sendDiscordAlert = message => {
+    axios.post(process.env.WEBHOOOK_URL, {
+	content: message
+    }).then(function (response) {
+	console.log(`=> discord: (${message})`)
+    }).catch(function (error) {
+	console.log(`=/> discord. error: (${error})`)
+    });
+}
+
 // Posting to deploy starts a build and returns a unique ID for that
 // build. The status of the build can then be queried by making a get
 // request to deploy with that ID as a URL param.


@@ 67,6 80,8 @@ app.post('/deploy', function(req, res) {
 	jobStatusMap.get(childProcessID).serverError = err.message
     })
 
+    sendDiscordAlert(`deploying (${name}) for (${user})`)
+
     res.status(200).json({
 	jobID: childProcessID
     })


@@ 123,11 138,42 @@ app.post('/delete', function(req, res) {
 	})
     }
 
-    // TODO(zeke) - run undeploy script
+    const child = execFile('./undeploy.sh', [name])
+    const childProcessID = jobStatusMap.size.toString()
+    jobStatusMap.set(childProcessID, {
+	stdout: '',
+	stderr: '',
+	exitCode: undefined,
+	serverError: ''
+    })
+
+    child.stdout.on('data', data => {
+	jobStatusMap.get(childProcessID).stdout += data
+    })
+
+    child.stderr.on('data', data => {
+	jobStatusMap.get(childProcessID).stderr += data
+    })
+
+    child.on('exit', code => {
+	jobStatusMap.get(childProcessID).exitCode = code
+    })
+
+    child.on('error', err => {
+	// This firing indicates that:
+	//
+	// 1. The process could not be spawned, or
+	// 2. The process could not be killed, or
+	// 3. Sending a message to the child process failed.
+	//
+	// source: https://nodejs.org/api/child_process.html#child_process_event_error
+	jobStatusMap.get(childProcessID).serverError = err.message
+    })
+
+    sendDiscordAlert(`undeploying (${name}) for (${user})`)
 
     res.status(200).json({
-	name: name,
-	user: user,
+	jobID: childProcessID
     })
 })
 

@@ 8,6 8,7 @@
       "name": "serve",
       "version": "0.0.1",
       "dependencies": {
+        "axios": "^0.21.4",
         "dotenv": "^10.0.0",
         "express": "^4.17.1",
         "jsonwebtoken": "^8.5.1"


@@ 30,6 31,14 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
+    "node_modules/axios": {
+      "version": "0.21.4",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.4.tgz",
+      "integrity": "sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==",
+      "dependencies": {
+        "follow-redirects": "^1.14.0"
+      }
+    },
     "node_modules/body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",


@@ 215,6 224,25 @@
         "node": ">= 0.8"
       }
     },
+    "node_modules/follow-redirects": {
+      "version": "1.14.4",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.4.tgz",
+      "integrity": "sha512-zwGkiSXC1MUJG/qmeIFH2HBJx9u0V46QGUe3YR1fXG8bXQxq7fLj0RjLZQ5nubr9qNJUZrH+xUcwXEoXNpfS+g==",
+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "engines": {
+        "node": ">=4.0"
+      },
+      "peerDependenciesMeta": {
+        "debug": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",


@@ 613,6 641,14 @@
       "resolved": "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz",
       "integrity": "sha1-ml9pkFGx5wczKPKgCJaLZOopVdI="
     },
+    "axios": {
+      "version": "0.21.4",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.4.tgz",
+      "integrity": "sha512-ut5vewkiu8jjGBdqpM44XxjuCjq9LAKeHVmoVfHVzy8eHgxxq8SbAVQNovDA8mVi05kP0Ea/n/UzcSHcTJQfNg==",
+      "requires": {
+        "follow-redirects": "^1.14.0"
+      }
+    },
     "body-parser": {
       "version": "1.19.0",
       "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz",


@@ 765,6 801,11 @@
         "unpipe": "~1.0.0"
       }
     },
+    "follow-redirects": {
+      "version": "1.14.4",
+      "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.14.4.tgz",
+      "integrity": "sha512-zwGkiSXC1MUJG/qmeIFH2HBJx9u0V46QGUe3YR1fXG8bXQxq7fLj0RjLZQ5nubr9qNJUZrH+xUcwXEoXNpfS+g=="
+    },
     "forwarded": {
       "version": "0.2.0",
       "resolved": "https://registry.npmjs.org/forwarded/-/forwarded-0.2.0.tgz",

@@ 8,6 8,7 @@
   },
   "author": "Zeke Medley",
   "dependencies": {
+    "axios": "^0.21.4",
     "dotenv": "^10.0.0",
     "express": "^4.17.1",
     "jsonwebtoken": "^8.5.1"