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add logrotate out plugin (#2) #10824

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add logrotate out plugin (#2) #10824

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d26d5e8
add logrotate out plugin (#2)
SagiROosto Sep 3, 2025
cbf7b88
update fluent auto CR comments
SagiROosto Sep 4, 2025
201d5a3
match logrotate to out_file in cmakes (#3)
SagiROosto Sep 16, 2025
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1 change: 1 addition & 0 deletions cmake/plugins_options.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,7 @@ DEFINE_OPTION(FLB_OUT_DATADOG "Enable DataDog output plugin"
DEFINE_OPTION(FLB_OUT_ES "Enable Elasticsearch output plugin" ON)
DEFINE_OPTION(FLB_OUT_EXIT "Enable Exit output plugin" ON)
DEFINE_OPTION(FLB_OUT_FILE "Enable file output plugin" ON)
DEFINE_OPTION(FLB_OUT_LOGROTATE "Enable logrotate output plugin" ON)
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Will this build for all targets including macOS and Windows? They may need configuring via their specific cmake/ config files.

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the logrotate plugin is actually a fork of the out_file with gzip and couple of move/copy files.
I've matched all cmakes to be the same as the out_file

DEFINE_OPTION(FLB_OUT_FLOWCOUNTER "Enable flowcount output plugin" ON)
DEFINE_OPTION(FLB_OUT_FORWARD "Enable Forward output plugin" ON)
DEFINE_OPTION(FLB_OUT_GELF "Enable GELF output plugin" ON)
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21 changes: 21 additions & 0 deletions conf/fluent-bit-logrotate.conf
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We should provide a YAML version too.

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Sure, I didn't see other configs. let me know where can I put it. anyway in fluent-bit-docs I'll list both options

Original file line number Diff line number Diff line change
@@ -0,0 +1,21 @@
[SERVICE]
Flush 1
Log_Level info
Parsers_File parsers.conf

[INPUT]
Name dummy
Tag test.logrotate
Dummy {"message": "test log message", "level": "info"}
Rate 10

[OUTPUT]
Name logrotate
Match test.logrotate
Path /tmp/logs
File test.log
Format json
Max_Size 10M
Max_Files 5
Gzip On
Mkdir On
5 changes: 5 additions & 0 deletions plugins/CMakeLists.txt
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Expand Up @@ -363,6 +363,11 @@ REGISTER_OUT_PLUGIN("out_datadog")
REGISTER_OUT_PLUGIN("out_es")
REGISTER_OUT_PLUGIN("out_exit")
REGISTER_OUT_PLUGIN("out_file")

if(FLB_OUT_LOGROTATE)
REGISTER_OUT_PLUGIN("out_logrotate")
endif()

REGISTER_OUT_PLUGIN("out_forward")
REGISTER_OUT_PLUGIN("out_http")
REGISTER_OUT_PLUGIN("out_influxdb")
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5 changes: 5 additions & 0 deletions plugins/out_logrotate/CMakeLists.txt
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@@ -0,0 +1,5 @@
set(src
logrotate.c)

find_package(ZLIB REQUIRED)
FLB_PLUGIN(out_logrotate "${src}" "${ZLIB_LIBRARIES}")
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