53. cdist-type__key_value(7)

Change property values in files

Steven Armstrong <steven-cdist--@--armstrong.cc>

53.1. DESCRIPTION

This cdist type allows you to change values in a key value based config file.

53.2. REQUIRED PARAMETERS

file
The file to operate on.
delimiter
The delimiter which separates the key from the value.

53.3. OPTIONAL PARAMETERS

state
present or absent, defaults to present. If present, sets the key to value, if absent, removes the key from the file.
key
The key to change. Defaults to object_id.
value
The value for the key. Optional if state=absent, required otherwise.
comment
If supplied, the value will be inserted before the line with the key, but only if the key or value must be changed. You need to ensure yourself that the line is prefixed with the correct comment sign. (for example # or ; or wathever ..)

53.4. BOOLEAN PARAMETERS

exact_delimiter
If supplied, treat additional whitespaces between key, delimiter and value as wrong value.

53.5. MESSAGES

remove
Removed existing key and value
insert
Added key and value
change
Changed value of existing key
create
A new line was inserted in a new file

53.6. EXAMPLES

# Set the maximum system user id
__key_value SYS_UID_MAX --file /etc/login.defs --value 666 --delimiter ' '

# Same with fancy id
__key_value my-fancy-id --file /etc/login.defs --key SYS_UID_MAX --value 666 \
   --delimiter ' '

# Enable packet forwarding
__key_value net.ipv4.ip_forward --file /etc/sysctl.conf --value 1 \
   --delimiter ' = ' --comment '# my linux kernel should act as a router'

# Remove existing key/value
__key_value LEGACY_KEY --file /etc/somefile --state absent --delimiter '='

53.7. MORE INFORMATION

This type try to handle as many values as possible, so it doesn’t use regexes. So you need to exactly specify the key and delimiter. Delimiter can be of any lenght.

53.8. SEE ALSO

53.9. COPYING

Copyright (C) 2011 Steven Armstrong. Free use of this software is granted under the terms of the GNU General Public License version 3 (GPLv3).