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About the developer

cl-adams
133 Stars 6 Forks Other 205 Commits 2 Opened issues

Description

UNIX system administration in Common Lisp

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Adams 0.3.2

Adams is a UNIX system administration tool written in Common Lisp.

You describe your systems (hosts) using resources having properties.

The properties are then probed and synchronized by Adams using only

/bin/sh
on the remote host, and
/usr/bin/ssh
on the control host.

Configuration example

Check out https://github.com/kmx-io/kmx-io/ for a detailed example of Adams usage.

Current status

Adams is currently able to use a local shell or connect to remote hosts via ssh.

Adams is this hardcore hacker using only

/bin/sh
commands. This makes
ksh
and
bash
suitable shells for adams as they are compatible with
/bin/sh
.

Supported resource types : - Host (hostname) - User (useradd, usermod, userdel) - Group (groupadd, groupmod, groupdel) - File (owner, group, permissions, content) - Directory (owner, group, permissions) - Package (Debian, OpenBSD)

Security design

You should only allow Adams what you would allow your system operators : - a shell accessible through SSH using a public key - apropriate sudo permissions

All commands issued to the remote hosts can be logged.

Adams does not grant the hosts access to its workstation while it works. Adams does not grant access to data belonging to any host. Adams does not send any data that is not of direct concern to the host. In short, all UNIX permissions are respected, Adams is a regular UNIX user.

Usage

1. Install repo.

2. Fetch adams sources.

  $ sbcl --eval '(repo:install :adams)'

3. Build and install the
adams
binary

  $ cd ~/common-lisp/cl-adams/adams
  $ make
  $ sudo cp build/adams /usr/local/bin/adams

4. Configure emacs (optional)

In your

~/.emacs
file :
emacs-lisp
  ;;  Adams
  (add-to-list 'auto-mode-alist '("\\.adams\\'" . lisp-mode))

5. Write some resources in a
.adams
script

In the

tutorial.adams
file : ``` common-lisp #!/usr/local/bin/adams --script

(resource 'host "adams.kmx.io" :user "adams" (resource 'user "adams" :shell "/bin/sh" :ensure :present))

(with-host "adams.kmx.io" (sync host)) ```

6. Profit.

  $ chmod 755 tutorial.adams
  $ ./tutorial.adams

The

tutorial.adams
script will synchronize the host "adams.kmx.io" according to the resource specifications given in the file.

7. DRY up your scripts using
#.(include "file")

In the

user/dx.adams
file :
common-lisp
  ;; Thomas de Grivel (kmx.io)
  (resource 'group "dx"
            :gid 19256
            :ensure :present)
  (resource 'user "dx"
            :uid 19256
            :gid 19256
            :home "/home/dx"
            :ensure :present)

In your main script : ``` common-lisp #!/usr/local/bin/adams --script

(resource 'host "adams.kmx.io" :user "adams" (resource 'user "adams" :shell "/bin/sh" :ensure :present) #.(include "user/dx"))

(with-host "adams.kmx.io" (sync host)) ```

ISC License

;;  Copyright YEAR AUTHOR 
;;
;;  Permission to use, copy, modify, and distribute this software for any
;;  purpose with or without fee is hereby granted, provided that the above
;;  copyright notice and this permission notice appear in all copies.
;;
;;  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
;;  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
;;  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
;;  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
;;  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
;;  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
;;  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
;;

Contribute

To contribute, fork this repository and send us a pull request.

Please publish under the ISC License terms.

Authors

Thomas de Grivel [email protected]

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