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ensure graylog source is correct #1189

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merged 1 commit into from
Aug 26, 2025
Merged

ensure graylog source is correct #1189

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14 changes: 12 additions & 2 deletions services/logging/fluentd/fluent.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,8 @@
@type forward
port 24224
bind 0.0.0.0
# Add source hostname to records
source_hostname_key source_hostname
</source>

# Add additional metadata
Expand All @@ -38,16 +40,18 @@
<record>
hostname "#{Socket.gethostname}"
fluentd_hostname "#{ENV['FLUENTD_HOSTNAME']}"
tag ${tag}
</record>
</filter>

# Clean container names (Ruby needed) by removing leading slashes
# Clean container names and set proper host field
<filter docker.**>
@type record_transformer
enable_ruby true
<record>
# cleanup container names by removing leading slashes
container_name ${record["container_name"] ? record["container_name"].sub(/^\//, '') : record["container_name"]}
# Use source hostname from forward input as the host field for GELF
host ${record["source_hostname"] || record["source"] || record["_hostname"] || "unknown"}
</record>
</filter>

Expand All @@ -64,6 +68,12 @@
protocol udp
add_msec_time true
flush_interval 5s
# Use the host field from record for GELF host field
use_record_host true
# Map the correct fields for Graylog
<format>
@type json
</format>
<buffer>
@type file
path /fluentd/buffer/graylog
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