Config: Inject Section

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Inject section overview
The inject section can be under <match> or <filter> section. It is enabled for the plugins that support injecting values to the event record.
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<match>
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  @type file
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  # ...
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  <inject>
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    # ...
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  </inject>
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</match>
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Example
Configuration:
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<inject>
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  time_key fluentd_time
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  time_type string
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  time_format %Y-%m-%dT%H:%M:%S.%NZ
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  tag_key fluentd_tag
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</inject>
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Event Record:
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tag: test
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time: 1547575563.952259
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record: {"message":"hello"}
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Injected Record:
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{"message":"hello","fluentd_tag":"test","fluentd_time":"2019-01-15T18:06:03.952259000Z"}
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Inject Section Parameter
Inject Parameters
hostname_key (string) (optional): the field name to inject hostname
Default: nil
hostname (string) (optional): hostname value
Default: Socket.gethostname
worker_id_key (string) (optional): the field name to inject
worker_id
Default: nil
tag_key (string) (optional): the field name to inject tag
Default: nil
time_key (string) (optional): the field name to inject time
Default: nil
Time Parameters
time_type (enum) (optional): parses/formats value according to this
type
Default: float
Available values:
float: seconds from Epoch + microseconds (e.g.
1510544836.154709)
unixtime: seconds from Epoch (e.g. 1510544836)
unixtime_millis (since v1.11.4): milliseconds from Epoch
(e.g. 1510544836154)
unixtime_micros (since v1.20.0): microseconds from Epoch
(e.g. 1510544836154709)
unixtime_nanos (since v1.20.0): nanoseconds from Epoch
(e.g. 1510544836154709804)
string: use format specified by time_format, local time or time
zone
time_format (string) (optional): processes value according to the
specified format. This is available only when time_type is string.
Default: nil
Available time format:
For more details about formatting, see
​Time#strftime.
For more details about parsing, see
​Time.strptime.
%iso8601 (only for parsing)
Use %N to parse/format with sub-second precision, because
​strptime does not support
%3N, %6N, %9N, and %L.
localtime (bool) (optional): if true, uses local time. Otherwise,
UTC is used. This is exclusive with utc.
Default: true
utc (bool) (optional): if true, uses UTC. Otherwise, local time is
used. This is exclusive with localtime.
Default: false
timezone (string) (optional): uses the specified timezone. One can
parse/format the time value in the specified timezone format.
Default: nil
Available time zone format:
1.[+-]HH:MM (e.g. "+09:00") (recommended)
2.[+-]HHMM (e.g. "+0900")
3.[+-]HH (e.g. "+09")
4.Region/Zone (e.g. Asia/Tokyo)
5.Region/Zone/Zone (e.g. America/Argentina/Buenos_Aires)
If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.
Config: Extract Section
Config: Transport Section
Last modified 7mo ago
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Contents
Inject section overview
Example
Inject Section Parameter
Inject Parameters
Time Parameters