317389ec31
Some people does not use the common YYYYMMDDXX format and/or does not want to use the "; serial" comment right after the serial number. This commit allow multiple formats to be defined, hense more users can use the plugin. A huge consequence of this is that user can also define additional custom formats depending on their needs.
102 lines
3.6 KiB
Markdown
102 lines
3.6 KiB
Markdown
vim-dnsserial
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=============
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[](https://www.apache.org/licenses/LICENSE-2.0.html)
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Another DNS-zone serial number updater.
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Why?
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----
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I know this not the first vim plugin available to update a DNS-zone serial number. Here is a few reasons why I chose not to use the canonical one:
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* there is no license and therefore it is not free;
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* it is unmaintained;
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* it is bugged;
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* it lacks functionalities.
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It chose not to fork the original plugin but to write a new one from scratch mainly for legal purposes, but also because I did not found the code as simple as I expected.
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Usage
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-----
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By default, each time you save a `bindzone` file, the script will look for the DNS serial number and update it. You can also update it without saving the file by invoking the `:DNSSerialUpdate` function.
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Patterns
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--------
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In order to be detected, the DNS serial number must match one the following pattern:
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* `YYYYMMDDXX ; serial`
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- `YYYY` is the year (4 digits);
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- `MM` is the month (2 digits);
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- `DD` is the day (2 digits);
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- `XX` is any non-negative number (1 or more digits);
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- the word `serial` is not case-sensitive;
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- there can be any number of blanks on each sides of the semicolon.
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* `XX ; serial`
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- `XX` is any non-negative number (1 or more digits);
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- the word `serial` is not case-sensitive;
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- there can be any number of blanks on each sides of the semicolon.
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Configuration
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-------------
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You can set several configuration variables in your vimrc:
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* `g:dnsserial_auto_update`: Defines whether or not the serial is updated when the zone file is saved (default is 1, set it to 0 to disable).
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* `g:dnsserial_custom_patterns`: List of customs patterns that will be added to the default ones. Order matters, the first matching patters will be used. Customs patterns will be tested before the default ones.
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* `g:dnsserial_patterns`: List of default patterns. It is not advised to change it.
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Custom patterns
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---------------
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A pattern is defined by a dictionary with two keys: `regex` and `matching`.
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**regex**
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Contains the regular expression that will be used to search the document for the serial number. All the components of the serial number must be captured with parenthesis.
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**matching**
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This is a list of every components of the serial number. Each component is defined by a dictionary. The `type` key must be present and contain one of the allowed types. Depending on the type, several additional keys might be defined. Authorized types and their options are:
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* `raw`: Raw string.
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* `integer`: An integer that will be incremented.
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- `offset` (int): set the offset by which the integer is incremented. Default is 1.
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- `padding` (int): Force the integer to be 0-padded on the associated number of digits.
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- `date_reset` (bool): If set to 1 and a the serial contains a `date`, the integer will be reseted to 0 if the date is updated. Default is 0.
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* `date`: A formated date that will be updated to the current one.
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- `fmt` (string, mandatory) : the date format according to the `strftime()` specifications. See `:help strftime` for more details.
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**examples**
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A simple pattern matching a serial defined as an integer and followed by a comment starting by the word `serial` is:
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```json
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{
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'regex': '\(\d\+\)\s*;\s*\cserial',
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'matching': [
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{'type': 'integer'}
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]
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}
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```
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The same example, but having the serial number starting by the current date (YYYYMMDD) and the integer padded on two digits:
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```json
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{
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'regex': '\(\d\{8}\)\(\d\+\)\s*;\s*\cserial',
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'matching': [
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{'type': 'date', 'fmt': '%Y%m%d'},
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{'type': 'integer', 'padding': 2, 'date_reset': 1}
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]
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}
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```
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