Version information
released Aug 28th 2018
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geoffwilliams/filemagic — version 0.6.1 Aug 28th 2018
filemagic
Table of Contents
- Description
- Setup - The basics of getting started with filemagic
- Usage - Configuration options and additional functionality
- Limitations - OS compatibility, etc.
- Development - Guide for contributing to the module
Description
Do you like files? Do you like magic? If so, this is the module for you! Puppet is a great language but out-of-the-box it expects and demands that you do things The Puppet Way which isn't always possible.
Take for example the following situations:
- Your maintaining a fleet of brownfield production machines with an unknown state
- You must follow your installation orders and they say to edit, not replace files
- Files shared between multiple 'owners' e.g., modules, people, programs, etc
- You don't want to fully template a file in order to receive upstream fixes
- You need to do really simple edit(s)!
Features
Planned
- Make a file 'sandwich' (insert data into a point inside the file)
- Un-make a file 'sandwich'
- Delete
- Comment (not *ML)
Implemented
fm_append
- Append data to a file
- Un-append data to a file
- Specify
match_start- The first line of input to append from, for cases where some data already exists
fm_gsub
- Replace a regular expression
- Delete a regular expression
fm_prepend
- Prepend data to a file
- Un-prepend data to a file
- Specify
match_end- The last line of input to prepend to, for cases where some data already exists
fm_replace
- Find and replace lines of data in a file
- Un-replace (delete) matching lines
- Matches all instances of the
matchregexp and replaces/deletes as requested
Setup
- There is no setup and FileMagic is cross platform! Please create an issue if you find this not to be the case.
Usage
See reference and examples
Limitations
- Not supported by Puppet, Inc.
- Not intended for use with 'large' files - entire file to be edited is presently read into memory
Development
PRs accepted :)
Testing
This module supports testing using PDQTest.
Test can be executed with:
bundle install
make
See .travis.yml for a working CI example
Reference
Resource types
fm_append: Append lines to a text filefm_gsub: Global find and replacefm_prepend: Prepend lines to a text filefm_replace: Replace one instance of /regex/ in a text file withdataand remove all other instances.
Resource types
fm_append
Append lines to a text file
Properties
The following properties are available in the fm_append type.
ensure
Valid values: present, absent
Add or remove the requested lines from the file
Default value: present
Parameters
The following parameters are available in the fm_append type.
path
The file to operate on - you can only prepend once to any given file
data
Lines to add to the file - accepts string or array. If \n present newlines will be inserted
match_start
If specified, remove the line matching this regexp and all subsequent lines, then append data
Default value: false
flags
Regexp flags
fm_gsub
Global find and replace
Properties
The following properties are available in the fm_gsub type.
ensure
Valid values: present, absent
replace or delete the requested regexp from the file
Default value: present
Parameters
The following parameters are available in the fm_gsub type.
path
The file to operate on - you can only prepend once to any given file
data
replacement data for matches. If \n present newlines will be inserted
match
Target regexp to search for
Default value: false
flags
Regexp flags
fm_prepend
Prepend lines to a text file
Properties
The following properties are available in the fm_prepend type.
ensure
Valid values: present, absent
Add or remove the requested lines from the file
Default value: present
Parameters
The following parameters are available in the fm_prepend type.
path
The file to operate on - you can only prepend once to any given file
data
Lines to add to the file - accepts string or array. If \n present newlines will be inserted
match_end
If specified, remove the line matching this regexp and all previous lines, then prepend data
Default value: false
flags
Regexp flags
fm_replace
This works like a line-by-line find and replace. If there is nothing to replace then no change will
be made unless you specify insert_if_missing
Properties
The following properties are available in the fm_replace type.
ensure
Valid values: present, absent
Add or remove the requested lines from the file
Default value: present
Parameters
The following parameters are available in the fm_replace type.
path
The file to operate on - you can only prepend once to any given file
data
Lines to add to the file - accepts string or array. If \n present newlines will be inserted
match
If specified, remove all instances of /match/, and insert one line data if ensure=>present
Default value: false
flags
Regexp flags
insert_if_missing
If true, always ensure that data is added to file, even if this involves inserting a new line instead of replacing a match
Default value: false
insert_at
If insert_if_missing true and we need to do an insert, where should the data be inserted?
options are top, bottom or line number
Default value: bottom
Types in this module release
Dependencies
- puppetlabs-stdlib (>= 1.0.0)
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