Allow user to dequeue a package installation and list packages

3 files changed, 62 insertions, 2 deletions

diff --git a/README.md b/README.md
index cc50851..ca53b37 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,11 @@ Small Function as a Service (FaaS) server built with Node.js and MongoDB. Useful
 ## Server
 
 Clone the repository to your server.
+
+```
+git clone https://github.com/jantuomi/faaslift.git
+```
+
 Create a file called `.env` in the project directory and add the following fields:
 
 ```
@@ -61,6 +66,8 @@ To `require` 3rd party libraries, they have to be installed on the host server w
 
 # Security
 
+`faaslift` relies on MongoDB for user authentication. Please use secure Mongo instance with a username and password set.
+
 The functions are *NOT* containerized in any way! This means that code running at an endpoint is e.g. able to crash the server or manipulate other endpoints, among other evil deeds, with a little bit of tinkering. That's why this project is solely meant for prototyping purposes.
 
 # Author
diff --git a/cli.js b/cli.js
index 348c092..0435317 100755
--- a/cli.js
+++ b/cli.js
@@ -279,7 +279,7 @@ vorpal
   });
 
 vorpal
-  .command('package install <package>', `Install an NPM package on the host.`)
+  .command('package add <package>', `Enqueue an NPM package installation on the host.`)
   .action(async function (args, callback) {
     try {
       await checkConnection(mongoURL, this);
@@ -298,6 +298,7 @@ vorpal
         name: args.package
       });
       this.log(chalk.green(`Package "${args.package}" added successfully to list of packages to install.`));
+      this.log(`NOTE: Packages might take a while to be installed. The default refresh period for fetching new packages is 1 minute.`);
     } catch (err) {
       this.log(chalk.red(`Failed to add package ${args.package} to list of packages to install!`));
       this.log(chalk.red(String(err)));
@@ -306,6 +307,58 @@ vorpal
   });
 
 vorpal
+  .command('package remove <package>', `Dequeue an NPM package installation on the host. NOTE: Does not uninstall already installed packages.`)
+  .action(async function (args, callback) {
+    try {
+      await checkConnection(mongoURL, this);
+    } catch (err) {
+      showMongoNotSetError(vorpal);
+      return callback();
+    }
+
+    if (!args.package) {
+      this.log('Please provide the "package" argument.');
+      return callback();
+    }
+
+    try {
+      await models.packages.remove({
+        name: args.package
+      });
+      const cmd = chalk.yellow(`npm uninstall ${args.package}`);
+      this.log(chalk.green(`Package "${args.package}" removed successfully from the list of packages to install.`));
+      this.log(`NOTE: Packages already installed are not uninstalled by this command.`);
+      this.log(`To completely uninstall this package from the host, run ${cmd} in the project directory on the host server.`);
+    } catch (err) {
+      this.log(chalk.red(`Failed to remove package ${args.package} from the list of packages to install!`));
+      this.log(chalk.red(String(err)));
+    }
+    callback();
+  });
+
+vorpal
+  .command('package list', `List NPM packages in the installation queue.`)
+  .action(async function (args, callback) {
+    try {
+      await checkConnection(mongoURL, this);
+    } catch (err) {
+      showMongoNotSetError(vorpal);
+      return callback();
+    }
+
+    try {
+      const packages = await models.packages.find({});
+      packages.forEach(pkg => {
+        this.log(pkg.name);
+      });
+    } catch (err) {
+      this.log(chalk.red(`Failed to get a list of packages.`));
+      this.log(chalk.red(String(err)));
+    }
+    callback();
+  });
+
+vorpal
   .command('info', 'Show information about the session')
   .action(async function (args, callback) {
     this.log('Mongo URL: ' + chalk.yellow(mongoURL));
diff --git a/package.json b/package.json
index 64855ca..e11c0ce 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "faaslift",
-  "version": "1.0.6",
+  "version": "1.0.7",
   "description": "",
   "main": "index.js",
   "scripts": {