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Merge pull request #403 from dotdoom/master-ejabberd_resources_-file-descriptors

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Add open_files capability to ejabberd_resources_
This commit is contained in:
Kenyon Ralph 2013-12-29 10:47:57 -08:00
commit 1368ef0e4f
1 changed files with 46 additions and 17 deletions
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63
plugins/ejabberd/ejabberd_resources_/ejabberd_resources_
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@ -14,6 +14,7 @@
# - connect to a running ejabberd node
#
# OS: *NIX
# Requires lsof/fstat for open_files.
#
# Author: Artem Sheremet <dot.doom@gmail.com>
#
@ -120,7 +121,7 @@ code.info The total amount of memory currently allocated for Erlang code. This m
ets.info The total amount of memory currently allocated for ets tables. This memory is part of the memory presented as system memory.
INFO_FROM_DOC
else
pid=$(<$EJABBERD_PID_PATH)
local pid=$(<$EJABBERD_PID_PATH)
for memory_type in rss vsz; do
memory_value=$(ps -p $pid -o $memory_type=)
let memory_value=$memory_value*1024
@ -140,42 +141,69 @@ function ejabberd_report_ports() {
local limit=$(ejabberd_exec 'os:getenv("ERL_MAX_PORTS").' | tr '"' ' ')
# string "false" indicates that this variable is not defined, thus a default of 1024
[ $limit = false ] && limit=1024
local os_limit=$(ejabberd_exec 'os:cmd("ulimit -n").' | tr '"\\n' ' ')
if [ $limit -gt $os_limit ]; then
local real_limit=$os_limit
else
local real_limit=$limit
fi
if [ "$1" = "config" ]; then
cat <<CONFIG
graph_vlabel ports
opened.draw LINE
opened.label opened
opened.info length(erlang:ports())
open.draw LINE
open.label open
open.info length(erlang:ports())
limit.draw LINE2
limit.label limit
limit.info ERL_MAX_PORTS environment variable inside ejabberd
os_limit.draw LINE2
os_limit.label os limit
os_limit.info "ulimit -n" from inside of ejabberd
CONFIG
warning='80%' critical='90%' print_adjusted_thresholds opened $real_limit
warning='80%' critical='90%' print_adjusted_thresholds open $limit
[ -n "$ERL_MAX_PORTS" ] && cat <<CONFIG_CONFIGURED
configured.draw LINE
configured.label configured
configured.info Configuration file value ERL_MAX_PORTS
CONFIG_CONFIGURED
else
local opened=$(ejabberd_exec 'length(erlang:ports()).')
local open=$(ejabberd_exec 'length(erlang:ports()).')
cat <<DATA
opened.value $opened
open.value $open
limit.value $limit
os_limit.value $os_limit
DATA
[ -n "$ERL_MAX_PORTS" ] && echo "configured.value $ERL_MAX_PORTS"
fi
}
function open_files_counter_util() {
if hash lsof &>/dev/null; then
echo lsof
return 0
elif hash fstat &>/dev/null; then
echo fstat
return 0
fi
return 1
}
function open_files_number() {
echo $[$($(open_files_counter_util) -np $(<$EJABBERD_PID_PATH) | wc -l)-1]
}
function ejabberd_report_open_files() {
# this spawns a child process, but in most cases the open files limit is inherited
local limit=$(ejabberd_exec 'os:cmd("ulimit -n").' | tr '"\\n' ' ')
if [ "$1" = "config" ]; then
cat <<CONFIG
graph_vlabel open files
open.draw LINE
open.label open
open.info number of open files as reported by $(open_files_counter_util)
limit.draw LINE2
limit.label limit
limit.info "ulimit -n" from inside of ejabberd
CONFIG
warning='80%' critical='90%' print_adjusted_thresholds open $limit
else
cat <<DATA
open.value $(open_files_number)
limit.value $limit
DATA
fi
}
function ejabberd_report_processes() {
local limit=$(ejabberd_exec 'erlang:system_info(process_limit).')
if [ "$1" = "config" ]; then
@ -217,6 +245,7 @@ ports
online_users
registered_users
SUGGESTIONS
open_files_counter_util &>/dev/null && echo open_files
exit 0
;;
config)