65 lines
2.5 KiB
Plaintext
65 lines
2.5 KiB
Plaintext
# Transforms tag and field values as well as measurement, tag and field names with regex pattern
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[[processors.regex]]
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namepass = ["nginx_requests"]
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# Tag and field conversions defined in a separate sub-tables
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[[processors.regex.tags]]
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## Tag to change, "*" will change every tag
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key = "resp_code"
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## Regular expression to match on a tag value
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pattern = "^(\\d)\\d\\d$"
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## Matches of the pattern will be replaced with this string. Use ${1}
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## notation to use the text of the first submatch.
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replacement = "${1}xx"
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[[processors.regex.fields]]
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## Field to change
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key = "request"
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## All the power of the Go regular expressions available here
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## For example, named subgroups
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pattern = "^/api(?P<method>/[\\w/]+)\\S*"
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replacement = "${method}"
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## If result_key is present, a new field will be created
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## instead of changing existing field
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result_key = "method"
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# Multiple conversions may be applied for one field sequentially
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# Let's extract one more value
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[[processors.regex.fields]]
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key = "request"
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pattern = ".*category=(\\w+).*"
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replacement = "${1}"
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result_key = "search_category"
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# Rename metric fields
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[[processors.regex.field_rename]]
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## Regular expression to match on a field name
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pattern = "^search_(\\w+)d$"
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## Matches of the pattern will be replaced with this string. Use ${1}
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## notation to use the text of the first submatch.
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replacement = "${1}"
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## If the new field name already exists, you can either "overwrite" the
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## existing one with the value of the renamed field OR you can "keep"
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## both the existing and source field.
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# result_key = "keep"
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# Rename metric tags
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# [[processors.regex.tag_rename]]
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# ## Regular expression to match on a tag name
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# pattern = "^search_(\\w+)d$"
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# ## Matches of the pattern will be replaced with this string. Use ${1}
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# ## notation to use the text of the first submatch.
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# replacement = "${1}"
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# ## If the new tag name already exists, you can either "overwrite" the
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# ## existing one with the value of the renamed tag OR you can "keep"
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# ## both the existing and source tag.
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# # result_key = "keep"
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# Rename metrics
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# [[processors.regex.metric_rename]]
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# ## Regular expression to match on an metric name
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# pattern = "^search_(\\w+)d$"
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# ## Matches of the pattern will be replaced with this string. Use ${1}
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# ## notation to use the text of the first submatch.
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# replacement = "${1}"
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