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cleanup of tutorial

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Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
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Nico Schottelius 2012-01-09 23:47:30 +01:00
parent 05c9d320ec
commit 997efc14ed
1 changed files with 12 additions and 14 deletions
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doc/man/man7/cdist-tutorial.text
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@ -68,10 +68,9 @@ re-entering the password. If something failed until here, ensure that
all steps went successfully and you have read and understood the all steps went successfully and you have read and understood the
documentation. documentation.
As soon as you are able to login without passwort to the target host, As soon as you are able to login without password to localhost,
we can use cdist to configure it. You can copy and paste the following we can use cdist to configure it. You can copy and paste the following
code into your shell to get started and configure localhost: code into your shell to get started and configure localhost:
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
# Get cdist # Get cdist
git clone git://git.schottelius.org/cdist git clone git://git.schottelius.org/cdist
@ -91,19 +90,15 @@ That's it, you've successfully used cdist to configure your first host!
Continue reading the next sections, to understand what you did and how Continue reading the next sections, to understand what you did and how
to create a more sophisticated configuration. to create a more sophisticated configuration.
The file 'conf/manifest/init' is usually the entry point for cdist,
to find out what to configure on which host. All manifests are
essentially shell scripts. Every manifest can use the types known to
cdist, which are usually underline prefixed (__).
DEFINE STATE IN THE INITIAL MANIFEST DEFINE STATE IN THE INITIAL MANIFEST
------------------------------------ ------------------------------------
The **initial manifest** is the entry point for cdist to find out, which The **initial manifest** is the entry point for cdist to find out, which
**objects** to configure on the selected host. Objects are instances of **objects** to configure on the selected host. Objects are instances of
**types**, like in object orientated programming. An object is represented **types**, like in object orientated programming languages.
by the type + slash + object name: ***__file/etc/cdist-configured*** is an An object is represented by the
type + slash + object name: ***__file/etc/cdist-configured*** is an
object of the type ***__file*** with the name ***etc/cdist-configured***. object of the type ***__file*** with the name ***etc/cdist-configured***.
Cdist searches for the initial manifest at **conf/manifest/init** and Cdist searches for the initial manifest at **conf/manifest/init** and
@ -115,7 +110,7 @@ environment variable **__target_host**. Let's have a look at a simple
example: example:
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
__file /etc/cdist-configured __cdistmarker
case "$__target_host" in case "$__target_host" in
localhost) localhost)
@ -124,12 +119,15 @@ case "$__target_host" in
esac esac
-------------------------------------------------------------------------------- --------------------------------------------------------------------------------
This manifest says: Independent of the host, always create the (empty) file This manifest says: Independent of the host, always use the type
***/etc/cdist-configured***, but create the directory ***/home/services/kvm-vm***, ***__cdistmarker***, which creates the file **/etc/cdist-configured**,
including all parent directories, only on the host ***localhost***. with the timestamp as content.
The directory ***/home/services/kvm-vm***, including all parent directories,
is only created on the host ***localhost***.
As you can see, there is no magic involved, the manifest is simple shell code that As you can see, there is no magic involved, the manifest is simple shell code that
utilises cdist types. utilises cdist types. Every available type can be executed like a normal
command. Use **ls conf/type** to get a list of available types.
PARTS BELOW HERE ARE TO-BE-DONE PARTS BELOW HERE ARE TO-BE-DONE