Comments (6)
You say you managed to include external class or method into aggregate call.
How did you do that ?
Globally, how do you see the feature ?
from logstash-filter-aggregate.
@fbaligand
Just for test I've added includes
option to aggregate:
config :includes, :validate => :array, :required => false, :default => []
and required files on register:
@includes.each do |i|
require i
end
Then I've added includes to aggregate filter and I could use new functions.
I've experimented with separate aggregate call class to dynamically include another module but I do not have this code right now. It shouldn't be too hard though.
from logstash-filter-aggregate.
Thanks for these details.
Actually, I think you can already do what you need with aggregate plugin as it is :
aggregate {
code => "require 'your-module'
callToYourMethod(event, map)"
...
}
from logstash-filter-aggregate.
@fbaligand yes it's true. The problem is that you can easily mess up the imported code with internal aggregate code.
I.e one can declare simple "filter" function to do whole task. It can't be done as filter is already declared as main function in LogStash::Filters::Aggregate and it's declaration will be first on the list to use. Of course I can use Module::Function syntax but still it's quite cumbersome (until you made some note in README about that problem).
This is why I wanted to remove @codeblock from Logstash::Filter::Aggregate and move it to smth like Logstash::Filter::Codeblock. This way method running inside class will not have access to Aggregate internals.
from logstash-filter-aggregate.
Hi @alkuzad,
Firstable, sorry for my late answer.
OK, so I think I understand well your need.
To reach your need, I can :
- add a new independant class inside aggregate.rb called LogStash::Filters::Aggregate::CodeBlockHolder
- at register time, I create a new CodeBlockHolder instance that I keep, and I put @codeblock inside this instance.
- and at filter time, I call codeblock which is inside codeBlockHolder instance.
- for your information, I have checked that inside CodeBlockHolder class, you have no direct access to aggregate methods, so you can't call an aggregate method mistakenly.
Does this reach your need ?
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@fbaligand right, this is it :)
Currently I have such code:
require '/home/alkuzad/scripts/aggregate_scripts/arch_calculations.rb';
a = Foo::Bar::Baz.new(map, event);
a.initialize_event('arch1');
map.merge!(a.map)
So I have require, initialization of object (passed values of map and event), calculations and merge back map from object. The problems are two:
- Every code needs require, even if my 30 aggregate uses same class
- Every code needs map/event assignment or merge (dependent on map_action) as I can only pass values
The best solution would require to require/include only once and extend the class code as it can use the event/map directly.
from logstash-filter-aggregate.
Related Issues (20)
- Documentation update for use case 4 HOT 9
- Error with aggregate_maps_path HOT 3
- multiple aggregate with different task_id confused HOT 2
- [@metadata][something] missing in aggregated event HOT 5
- Logstash filter Aggregate with multiple fields
- Need able to aggregate the inner structure HOT 6
- Logstash automatically loading the config file HOT 1
- [UPDATE QUERY] - pushes same data multiple times in nested array json HOT 8
- NoMethodError: undefined method `multi_filter' for nil:NilClass HOT 3
- Timeout values of one aggregate block affect another aggregate block (with different task_id pattern) HOT 4
- final flusher does not flush event when push_map_as_event_on_timeout used HOT 3
- how to split jdbc result and then migrating to nested array HOT 5
- testing aggregates => LogStash::ConfigurationError: Aggregate plugin: more than one filter which defines timeout options. But only defining once. HOT 3
- Pipeline crash if timeout_timestamp_field is missing from event HOT 3
- Pipeline crash when the aggregate maps is loaded from a file.aggregate
- logstash-filter-aggregate plugin is not merging two CDR (logs) into one index HOT 1
- Can't set timeout value based on event filed or metadata HOT 4
- How can i aggregate fix amount of events ? HOT 9
- Aggregate non ordered logs, array of value HOT 7
- aggregate nested not work HOT 7
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