Plugin ejabberd_resources_: fix shellcheck issues
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94434e4bd8
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53860136a5
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@ -27,8 +27,8 @@
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#%# capabilities=autoconf suggest
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EJABBERDCTL_CFG=${ejabberdctl_cfg:-/etc/ejabberd/ejabberdctl.cfg}
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source $EJABBERDCTL_CFG 2>/dev/null
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source $MUNIN_LIBDIR/plugins/plugin.sh
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. "$EJABBERDCTL_CFG" 2>/dev/null
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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EJABBERDCTL=${ejabberdctl:-$(which ejabberdctl)}
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@ -45,7 +45,7 @@ function ejabberd_exec() {
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echo "$1" | su - ejabberd -c "$ERL_CALL -e -n $ERLANG_NODE" | sed -re 's/^\{ok, (.*)\}$/\1/'
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}
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SCRIPT_NAME=$(basename $0)
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SCRIPT_NAME=$(basename "$0")
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RESOURCE_TYPE="${SCRIPT_NAME/ejabberd_resources_/}"
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RESOURCE_BASE=1000
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[ "$RESOURCE_TYPE" = "memory" ] && RESOURCE_BASE=1024
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@ -57,8 +57,10 @@ function hosts_list() {
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function ejabberd_report_online_users() {
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[ "$1" = "config" ] && echo 'graph_vlabel users'
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for host in $(hosts_list); do
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local clean_host=$(clean_fieldname $host)
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local ejabberd_command="length(ejabberd_sm:get_vh_session_list(\"$host\"))"
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local clean_host
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local ejabberd_command
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clean_host=$(clean_fieldname "$host")
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ejabberd_command="length(ejabberd_sm:get_vh_session_list(\"$host\"))"
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if [ "$1" = "config" ]; then
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cat <<CONFIG
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${clean_host}.draw AREASTACK
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@ -66,7 +68,7 @@ ${clean_host}.label $host
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${clean_host}.info $ejabberd_command
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CONFIG
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else
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echo "$clean_host.value $(ejabberd_exec ${ejabberd_command}.)"
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echo "$clean_host.value $(ejabberd_exec "${ejabberd_command}.")"
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fi
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done
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}
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@ -74,8 +76,10 @@ CONFIG
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function ejabberd_report_registered_users() {
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[ "$1" = "config" ] && echo 'graph_vlabel users'
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for host in $(hosts_list); do
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local clean_host=$(clean_fieldname $host)
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local ejabberd_command="ejabberd_auth:get_vh_registered_users_number(\"$host\")"
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local clean_host
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local ejabberd_command
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clean_host=$(clean_fieldname "$host")
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ejabberd_command="ejabberd_auth:get_vh_registered_users_number(\"$host\")"
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if [ "$1" = "config" ]; then
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cat <<CONFIG
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${clean_host}.draw AREASTACK
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@ -83,7 +87,7 @@ ${clean_host}.label $host
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${clean_host}.info $ejabberd_command
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CONFIG
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else
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echo "$clean_host.value $(ejabberd_exec ${ejabberd_command}.)"
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echo "$clean_host.value $(ejabberd_exec "${ejabberd_command}.")"
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fi
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done
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}
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@ -116,10 +120,11 @@ code.info The total amount of memory currently allocated for Erlang code. This m
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ets.info The total amount of memory currently allocated for ets tables. This memory is part of the memory presented as system memory.
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INFO_FROM_DOC
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else
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local pid=$(<$EJABBERD_PID_PATH)
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local pid
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pid=$(<"$EJABBERD_PID_PATH")
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for memory_type in rss vsz; do
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memory_value=$(ps -p $pid -o $memory_type=)
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let memory_value=$memory_value*1024
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memory_value=$(ps -p "$pid" -o "$memory_type=")
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memory_value=$((memory_value * 1024))
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echo "$memory_type.value $memory_value"
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done
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ejabberd_exec 'io_lib:format("~p", [erlang:memory()]).' | grep -Eo '"[a-z_0-9]+"' |
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@ -128,9 +133,10 @@ INFO_FROM_DOC
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}
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function ejabberd_report_ports() {
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local limit=$(ejabberd_exec 'os:getenv("ERL_MAX_PORTS").' | tr '"' ' ')
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local limit
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limit=$(ejabberd_exec 'os:getenv("ERL_MAX_PORTS").' | tr '"' ' ')
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# string "false" indicates that this variable is not defined, thus a default of 1024
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[ $limit = false ] && limit=1024
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[ "$limit" = false ] && limit=1024
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if [ "$1" = "config" ]; then
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cat <<CONFIG
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graph_vlabel ports
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@ -141,14 +147,15 @@ limit.draw LINE2
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limit.label limit
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limit.info ERL_MAX_PORTS environment variable inside ejabberd
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CONFIG
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warning='80%' critical='90%' print_adjusted_thresholds open $limit
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warning='80%' critical='90%' print_adjusted_thresholds open "$limit"
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[ -n "$ERL_MAX_PORTS" ] && cat <<CONFIG_CONFIGURED
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configured.draw LINE
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configured.label configured
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configured.info Configuration file value ERL_MAX_PORTS
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CONFIG_CONFIGURED
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else
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local open=$(ejabberd_exec 'length(erlang:ports()).')
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local open
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open=$(ejabberd_exec 'length(erlang:ports()).')
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cat <<DATA
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open.value $open
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limit.value $limit
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@ -173,16 +180,16 @@ function ejabberd_report_mnesia() {
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[ "$2" = bytes ] && draw=AREASTACK
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$EJABBERDCTL mnesia info | sed -re 's/'"$sed_re"'/\1 \5/;tx;d;:x' |
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while read table_name table_storage; do
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while read -r table_name table_storage; do
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echo "${table_name}_${table_storage}.draw $draw"
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echo "${table_name}_${table_storage}.label $table_name ($table_storage)"
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done
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else
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if [ "$2" = recs ]; then
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$EJABBERDCTL mnesia info | sed -re 's/'"$sed_re"'/\1_\5.value \2/;tx;d;:x'
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"$EJABBERDCTL" mnesia info | sed -re 's/'"$sed_re"'/\1_\5.value \2/;tx;d;:x'
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else
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long_bits=$(getconf LONG_BIT)
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$EJABBERDCTL mnesia info |
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"$EJABBERDCTL" mnesia info |
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sed -re 's/'"$sed_re"'/\1_\5.value \3 \4/;tx;d;:x' |
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awk "
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/ words\$/ {
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@ -230,12 +237,13 @@ function open_files_counter_util() {
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}
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function open_files_number() {
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echo $[$($(open_files_counter_util) -np $(<$EJABBERD_PID_PATH) | wc -l)-1]
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echo "$(( $("$(open_files_counter_util)" -np "$(<"$EJABBERD_PID_PATH")" | wc -l) - 1))"
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}
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function ejabberd_report_open_files() {
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# this spawns a child process, but in most cases the open files limit is inherited
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local limit=$(ejabberd_exec 'os:cmd("ulimit -n").' | tr '"\\n' ' ')
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local limit
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limit=$(ejabberd_exec 'os:cmd("ulimit -n").' | tr '"\\n' ' ')
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if [ "$1" = "config" ]; then
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cat <<CONFIG
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graph_vlabel open files
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@ -246,7 +254,7 @@ limit.draw LINE2
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limit.label limit
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limit.info "ulimit -n" from inside of ejabberd
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CONFIG
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warning='80%' critical='90%' print_adjusted_thresholds open $limit
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warning='80%' critical='90%' print_adjusted_thresholds open "$limit"
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else
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cat <<DATA
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open.value $(open_files_number)
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@ -256,7 +264,8 @@ DATA
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}
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function ejabberd_report_processes() {
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local limit=$(ejabberd_exec 'erlang:system_info(process_limit).')
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local limit
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limit=$(ejabberd_exec 'erlang:system_info(process_limit).')
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if [ "$1" = "config" ]; then
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cat <<CONFIG
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graph_vlabel processes
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@ -267,14 +276,15 @@ limit.draw LINE2
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limit.label limit
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limit.info erlang:system_info(process_limit)
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CONFIG
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warning='80%' critical='90%' print_adjusted_thresholds active $limit
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warning='80%' critical='90%' print_adjusted_thresholds active "$limit"
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[ -n "$ERL_PROCESSES" ] && cat <<CONFIG_CONFIGURED
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configured.draw LINE
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configured.label configured
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configured.info Configuration file value ERL_PROCESSES
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CONFIG_CONFIGURED
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else
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local active=$(ejabberd_exec 'erlang:system_info(process_count).')
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local active
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active=$(ejabberd_exec 'erlang:system_info(process_count).')
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cat <<DATA
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active.value $active
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limit.value $limit
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@ -311,4 +321,4 @@ CONFIG
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;;
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esac
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ejabberd_report_${RESOURCE_TYPE} $1
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"ejabberd_report_${RESOURCE_TYPE}" "$1"
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