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logmngr: use fluent-bit filters to adapt kmsg fields and add hostname

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This commit is contained in:
Erik Karlsson 2025-08-19 14:00:51 +02:00 • committed by Mohd Husaam Mehdi
parent d6e6747380
commit a82c3562f2
2 changed files with 21 additions and 9 deletions
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2
logmngr/Makefile
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@ -5,7 +5,7 @@
include $(TOPDIR)/rules.mk
PKG_NAME:=logmngr
PKG_VERSION:=1.1.1
PKG_VERSION:=1.1.2
LOCAL_DEV:=0
ifneq ($(LOCAL_DEV),1)

28
logmngr/files/lib/logmngr/fluent-bit.sh
View file

@ -69,10 +69,25 @@ create_service_section() {
append_conf ""
}
create_default_filters() {
append_conf "[FILTER]"
append_conf " name modify"
append_conf " match KM*"
append_conf " add ident kernel"
append_conf " rename msg message"
append_conf ""
append_conf "[FILTER]"
append_conf " name sysinfo"
append_conf " match *"
append_conf " hostname_key hostname"
append_conf ""
}
create_input_section() {
local tag="$1"
[ -z "$tag" ] && return
[ -z "$tag" ] && return
# check if this source section has already been processed
syslog_tag_already_processed "$tag" && return
@ -90,7 +105,7 @@ create_input_section() {
create_kmsg_input_section() {
local tag="$1"
[ -z "$tag" ] && return
[ -z "$tag" ] && return
# check if this source section has already been processed
kmsg_tag_already_processed "$tag" && return
@ -217,7 +232,7 @@ handle_filter_conf() {
create_filter_section() {
local match_regex="$1"
[ -z "$match_regex" ] && return
[ -z "$match_regex" ] && return
append_conf "[FILTER]"
append_conf " name grep"
@ -297,11 +312,7 @@ handle_log_remote() {
append_conf " syslog_appname_key ident"
append_conf " syslog_procid_key pid"
append_conf " syslog_message_key message"
local hostname="$(uci -q get 'system.@system[0].hostname')"
if [ -n "${hostname}" ]; then
append_conf " syslog_hostname_preset ${hostname}"
fi
append_conf " syslog_hostname_key hostname"
local proto # holds value tcp or udp
config_get proto ${section} proto
@ -453,6 +464,7 @@ logmngr_init() {
create_config_file
create_service_section
create_default_filters
handle_action_section
if [ -f /lib/logmngr/logrotate.sh ]; then