add template for cdist-language

Signed-off-by: Nico Schottelius <nico@kr.ethz.ch>

doc/man/cdist-language.text

@@ -0,0 +1,139 @@
+cdist(7)
+========
+Nico Schottelius <nico-cdist--@--schottelius.org>
+
+
+NAME
+----
+cdist - Configuration distribution system
+
+
+DESCRIPTION
+-----------
+Cdist allows you to define centrally a configurations for
+all systems and apply them. Cdist generally uses the push
+approach (a server pushes out the configuration to the clients),
+but can also be used the pull way (see cdist-push-pull(7)).
+
+Cdist is configured in shell syntax, which is "compiled" to an
+internal configuration representation (cconfig), which again
+is used to generate an executable, which is run on the client
+(see cdist-language(7), cdist-design(7)).
+
+
+
+SEE ALSO
+--------
+cdist-deploy-to(1), website: http://www.nico.schottelius.org/cdist/[]
+
+
+COPYING
+-------
+Copyright \(C) 2010 Nico Schottelius. Free use of this software is
+granted under the terms of the GNU General Public License version 3 (GPLv3).
+
+--------------------------------------------------------------------------------
+
+
+## How cdist works
+
+### Exploring your system
+
+cdist analyses the system to apply the configuration on and
+selects the right backends. You can use ***cdist-explore*** to
+the results of the explore functions.
+
+### Applying the configuration
+
+cdist looks for the configuration to apply on the local host
+and applies it using ***cdist-apply***.
+
+### Managing many hosts
+
+Whereas ***cdist-apply*** manages one host, ***cdist-deploy***
+applies the configuration on enabled hosts.
+
+## How to use cdist?
+
+ 0. Create a host specification (/etc/cdist/hosts/**hostname**)
+ 0. Add functionalilty to add
+ 0. Run ***cdist-apply***
+
+
+--------------------------------------------------------------------------------
+Simple stuff done by Unix[notm]
+
+   - DSL: Shell!
+      - gives if, else and EVEN elsif for free!
+      - and case
+      - and and and
+      - and there's no os (solaris doesn't count) without a usable /bin/sh
+      - cdist defines what you can use
+         - you _can_ use os specific stuff
+         - but it's ugly and you shoot into your own foot
+      - "manifests" (use the same name here?) will be run/sourced
+         - inheritance possible via sourcing
+         - cdist-lib always preloaded
+      - library == functions?
+   - version control via git
+   - file distribution via ssh
+   - authentication via ssh
+   - dumb clients, similar to manifest compile in puppet
+      - clients just execute commands
+   - dependencies via make?
+      - how to ensure sigletons / conflicting definitions?
+         file { "/a":
+            ensure => present,
+         file { "/a":
+            ensure => absent,
+   - matching on explored items, not only on host name?
+      - match function in host? [optional]
+   - file source:
+      - relative to specification
+      - or absolute
+
+
+--------------------------------------------------------------------------------
+Implementation
+
+   "cdist-server"
+      -> called by cron?
+      -> no need to reimplement scheduling
+   "cdist-explore" (facter replacement)
+      -> running on the client
+--------------------------------------------------------------------------------
+Requirements:
+   It MUST be incredible easy/dumb to add new types.
+      => growable default types
+      
+      
+--------------------------------------------------------------------------------
+
+      ## TO DOC
+
+Before initial release, document:
+
+   - how to add package backends
+   - how to write a minimal host manifest
+   - create library with all functions (and their parameters)
+      - cdist_package
+      - cdist_file
+      - cdist_dir
+
+   - only do necessary work
+      - install packages only if not existent
+      - copy file only if different
+
+   - how to write a module
+      - module function autoloading via *.sh
+      - module "manifest"?
+         - create functions in *.sh
+         - name functions "modulename_function"
+            module hellow
+            function kitty
+            => hellow_kitty
+      - you are advised (not forced) to put files
+         to a subdirectory named "files"
+
+
+