12-12-2019
Quote:
Originally Posted by
fretagi
Hi all
I have a unix script that generates a report with the following information:
uptime, mounted file systems, disk usage (> 90% --> critical, <75%-90%> --> warning, < 75% healthy), Mem usage, CPU usage and load average.
But I would like to create one single report containing all this information but for 10 servers.
Please can you give an hint in how do I go about it
Here is how I might approach this:
- Install your script on all 10 of your servers and make sure it works for each.
- Optional: Install a secure (HTTPS) web server on each server.
- Optional: Configure a page to use PHP or Python (for example) to call your monitoring script.
- Optional: Test to make sure you can call this script from an HTTPD call. You can secure this script as required.
- Modify your script to return your monitoring information (either as an API or write to file) as a serialized JSON object (your API).
- Optional: Test and confirm you can call your API.
- Optional: Install this API on all servers.
- Note: If you do not want to install a web server, you can do this with other methods, for example write the JSON object to a file and use rsync.
- Optional: Create a web page on a secure server which will call all 10 APIs and display the information on a single web page.
Not knowing your environment and other considerations, if I was doing to do this, I would go with the secure web solution, create the API in PHP to call your monitoring script and format the API return (serialized JSON object). Then I would write another app to call this API (in a loop) for each server and display the results in a dashboard with some canned dashboard dials using a standard Javascript lib for this.
Having not seen your script, I estimate this entire project can be coded and tested in less than a day, two days at the most considering there are 10 servers.
Hope this helps.
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LEARN ABOUT DEBIAN
0store-secure-add
0STORE-SECURE-ADD(1) 0STORE-SECURE-ADD(1)
NAME
0store-secure-add -- add an implementation to the system cache
SYNOPSIS
0store-secure-add DIGEST
DESCRIPTION
This command imports the current directory into the system-wide shared Zero Install cache, as /var/cache/0install.net/implementa-
tions/DIGEST. This allows a program downloaded by one user to be shared with other users.
The current directory must contain a file called '.manifest' listing all the files to be added (in the format required by DIGEST), and this
file must have the given digest. If not, the import is refused. Therefore, it is only possible to add a directory to the cache if its name
matches its contents.
It is intended that it be safe to grant untrusted users permission to call this command with elevated privileges. To set this up, see
below.
SETTING UP SHARING
To enable sharing, the system administrator should follow these steps:
Create a new system user to own the cache:
adduser --system zeroinst
Create the shared directory, owned by this new user:
mkdir /var/cache/0install.net
chown zeroinst /var/cache/0install.net
Use visudo(8) to add these lines to /etc/sudoers:
Defaults>zeroinst env_reset,always_set_home
ALL ALL=(zeroinst) NOPASSWD: /usr/bin/0store-secure-add
Create a script called 0store-secure-add-helper in PATH to call it. This script must be executable and contain these two lines:
#!/bin/sh
exec sudo -S -u zeroinst /usr/bin/0store-secure-add "$@" < /dev/null
The other Zero Install programs will call this helper script automatically.
FILES
/var/cache/0install.net/implementations
System-wide Zero Install cache.
LICENSE
Copyright (C) 2009 Thomas Leonard.
You may redistribute copies of this program under the terms of the GNU Lesser General Public License.
BUGS
This program is EXPERIMENTAL. It has not been audited. Do not use it yet in security-critial environments.
The env_reset line in sudoers may not be required. sudo(1) seems to do it automatically.
If sudo let us check whether we could call a command then we could switch to using it automatically, instead of needing to add the helper
script. Currently, sudo delays for one second and writes to auth.log if we try to use this system when it hasn't been set up.
Please report bugs to the developer mailing list:
http://0install.net/support.html
AUTHOR
Zero Install was created by Thomas Leonard.
SEE ALSO
0store(1)
The Zero Install web-site:
http://0install.net
Thomas Leonard 2010 0STORE-SECURE-ADD(1)