This filter converts a input string in a key=value format into fields. The value kan be either quoted or without. If the value is an integer it will be stored as an integer, otherwise a string.
filter:
- type: kv
# (required) source field
source: mysource
# (optional) if target is not blank all fields will be placed under target
target: mytarget
# (optional) define what fields that should be string even it is an integer
strings: ["x", "y"]
# (optional) specify fields to remove after filtering
remove_field: ["x", "y"]