Difference between revisions of "DeployStudio Runtime for End Users"
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− | First, in /etc/sudoers file we give the group | + | First, in /etc/sudoers file we give the group “DOMAIN\domain users” a user alias: |
Revision as of 11:52, 15 October 2010
Why?
We use DeployStudio Server to deploy packages and system images in our environment. The current method is to have staff, whom are standard accounts (non-admin), NetBoot to DeployStudio and log in using their AD credentials. Since they do not have admin rights, they are not able to install their own software or updates. I want to leverage the DeployStudio Runtime.app (Runtime) application on clients computers and allow staff to install a predefined set of software, without them having to NetBoot. They would also be able to request additional software to be served through the Runtime application.
The basic idea is giving power to the users to install their own software and patches.
Make Me Sudo
In order to allow non-admin (standard) users to run Runtime, they have to have a way to launch it as root. Enter /etc/sudoers...
The /etc/sudoers (sudoers) file allows us to give a specific user or group sudo rights to run single or multiple commands. In this instance, we want the users to run the Runtime app as sudo, but to make it easy it has to be started from a script. To make it really easy, we will wrap it into an app later.
First, in /etc/sudoers file we give the group “DOMAIN\domain users” a user alias:
This line give the domain users group an alias of “STAFF”.
User_Alias STAFF=%DOMAIN\\domain\ users
Next, we need to tell the sudoers file what the STAFF group can run:
This line says the STAFF alias can run the script at /usr/sbin/dsruntime.sh using sudo, as root, WITHOUT prompting for a password.
Understand? NO PASSWORD REQUIRED!
STAFF ALL = NOPASSWD: /usr/sbin/dsruntime.sh
Ok, thats cool, but whats that you ask? We don’t have a script to run at /usr/sbin/dsruntime.sh?
Let Me Run
We want to create a script that will open the Runtime application as root. Create the file at /usr/sbin/dsruntime.sh with these contents:
#!/bin/bash
#Open DeployStudio with Sudo
cd /Applications/Utilities/DeployStudio\ Runtime.app/Contents/MacOS/
sudo ./Runtime
Give it permissions to run:
sudo chown root:wheel dsruntime.sh && sudo chmod 500 dsruntime.sh
This script changes into the Runtime.app directory and opens the binary as root using sudo. Since we have edited the sudoers file to run the script file as root, the commands inside of it run as root. Don’t believe me? Add “say `whoami`” to the end of the script and run it from the terminal. Make sure your volume is up, what does it say?
So now we can open the Runtime app from the terminal using the command:
sudo bash /usr/sbin/dsruntime.sh
It’s a little too much to ask a user to do, although most could, so lets make it easier for them.
Make Me Pretty
Create another script called platypus.sh on your desktop. Enter these as the contents:
#!/bin/bash
sudo /usr/sbin/dsruntime.sh &
Download and install Platypus: http://sveinbjorn.org/platypus
Open Platypus and drag the script from your desktop to the “Script Path:” field. Change your identifier and author, and whatever other settings you’d like. This is what I’m using:
http://dl.dropbox.com/u/5442688/Platypus.png
Create your new app and double click it! You should see it for a second and then see DeployStudio Runtime.app open without needing a password!
Coming soon... Package and deploy!