diff options
Diffstat (limited to 'charts.d/phpfpm.chart.sh')
| -rwxr-xr-x | charts.d/phpfpm.chart.sh | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/charts.d/phpfpm.chart.sh b/charts.d/phpfpm.chart.sh new file mode 100755 index 00000000..c0532fab --- /dev/null +++ b/charts.d/phpfpm.chart.sh @@ -0,0 +1,175 @@ +#!/bin/bash + +# if this chart is called X.chart.sh, then all functions and global variables +# must start with X_ + +# first, you need open php-fpm status in php-fpm.conf +# second, you need add status location in nginx.conf +# you can see, https://easyengine.io/tutorials/php/fpm-status-page/ + +declare -A phpfpm_urls=() + +# _update_every is a special variable - it holds the number of seconds +# between the calls of the _update() function +phpfpm_update_every= +phpfpm_priority=60000 + +declare -a phpfpm_response=() +phpfpm_pool="" +phpfpm_start_time="" +phpfpm_start_since=0 +phpfpm_accepted_conn=0 +phpfpm_listen_queue=0 +phpfpm_max_listen_queue=0 +phpfpm_listen_queue_len=0 +phpfpm_idle_processes=0 +phpfpm_active_processes=0 +phpfpm_total_processes=0 +phpfpm_max_active_processes=0 +phpfpm_max_children_reached=0 +phpfpm_slow_requests=0 +phpfpm_get() { + url=$1 + phpfpm_response=($(curl -Ss "${url}")) + [ $? -ne 0 -o "${#phpfpm_response[@]}" -eq 0 ] && return 1 + + if [[ "${phpfpm_response[0]}" != "pool:" \ + || "${phpfpm_response[2]}" != "process" \ + || "${phpfpm_response[5]}" != "start" \ + || "${phpfpm_response[12]}" != "accepted" \ + || "${phpfpm_response[15]}" != "listen" \ + || "${phpfpm_response[16]}" != "queue:" \ + || "${phpfpm_response[26]}" != "idle" \ + || "${phpfpm_response[29]}" != "active" \ + || "${phpfpm_response[32]}" != "total" \ + || "${phpfpm_response[43]}" != "slow" \ + ]] + then + echo >&2 "phpfpm: invalid response from phpfpm status server: ${phpfpm_response[*]}" + return 1 + fi + + phpfpm_pool="${phpfpm_response[1]}" + phpfpm_start_time="${phpfpm_response[7]} ${phpfpm_response[8]}" + phpfpm_start_since="${phpfpm_response[11]}" + phpfpm_accepted_conn="${phpfpm_response[14]}" + phpfpm_listen_queue="${phpfpm_response[17]}" + phpfpm_max_listen_queue="${phpfpm_response[21]}" + phpfpm_listen_queue_len="${phpfpm_response[25]}" + phpfpm_idle_processes="${phpfpm_response[28]}" + phpfpm_active_processes="${phpfpm_response[31]}" + phpfpm_total_processes="${phpfpm_response[34]}" + phpfpm_max_active_processes="${phpfpm_response[38]}" + phpfpm_max_children_reached="${phpfpm_response[42]}" + phpfpm_slow_requests="${phpfpm_response[45]}" + + if [[ -z "${phpfpm_pool}" \ + || -z "${phpfpm_start_time}" \ + || -z "${phpfpm_start_since}" \ + || -z "${phpfpm_accepted_conn}" \ + || -z "${phpfpm_listen_queue}" \ + || -z "${phpfpm_max_listen_queue}" \ + || -z "${phpfpm_listen_queue_len}" \ + || -z "${phpfpm_idle_processes}" \ + || -z "${phpfpm_active_processes}" \ + || -z "${phpfpm_total_processes}" \ + || -z "${phpfpm_max_active_processes}" \ + || -z "${phpfpm_max_children_reached}" \ + || -z "${phpfpm_slow_requests}" \ + ]] + then + echo >&2 "phpfpm: empty values got from phpfpm status server: ${phpfpm_response[*]}" + return 1 + fi + + return 0 +} + +# _check is called once, to find out if this chart should be enabled or not +phpfpm_check() { + if [ ${#phpfpm_urls[@]} -eq 0 ]; then + phpfpm_urls[local]="http://localhost/status" + fi + + local m + for m in "${!phpfpm_urls[@]}" + do + phpfpm_get "${phpfpm_urls[$m]}" + if [ $? -ne 0 ]; then + echo >&2 "phpfpm: cannot find status on URL '${phpfpm_url[$m]}'. Please set phpfpm_urls[$m]='http://localhost/status' in $confd/phpfpm.conf" + unset phpfpm_urls[$m] + continue + fi + done + + if [ ${#phpfpm_urls[@]} -eq 0 ]; then + echo >&2 "phpfpm: no phpfpm servers found. Please set phpfpm_urls[name]='url' to whatever needed to get status to the phpfpm server, in $confd/phpfpm.conf" + return 1 + fi + + # this should return: + # - 0 to enable the chart + # - 1 to disable the chart + + return 0 +} + +# _create is called once, to create the charts +phpfpm_create() { + local m + for m in "${!phpfpm_urls[@]}" + do + cat <<EOF +CHART phpfpm_$m.connections '' "PHP-FPM Active Connections" "connections" phpfpm phpfpm.connections line $((phpfpm_priority + 1)) $phpfpm_update_every +DIMENSION active '' absolute 1 1 +DIMENSION maxActive 'max active' absolute 1 1 +DIMENSION idle '' absolute 1 1 + +CHART phpfpm_$m.requests '' "PHP-FPM Requests" "requests/s" phpfpm phpfpm.requests line $((phpfpm_priority + 2)) $phpfpm_update_every +DIMENSION requests '' incremental 1 1 + +CHART phpfpm_$m.performance '' "PHP-FPM Performance" "status" phpfpm phpfpm.performance line $((phpfpm_priority + 3)) $phpfpm_update_every +DIMENSION reached 'max children reached' absolute 1 1 +DIMENSION slow 'slow requests' absolute 1 1 +EOF + done + + return 0 +} + +# _update is called continiously, to collect the values +phpfpm_update() { + # the first argument to this function is the microseconds since last update + # pass this parameter to the BEGIN statement (see bellow). + + # do all the work to collect / calculate the values + # for each dimension + # remember: KEEP IT SIMPLE AND SHORT + + local m + for m in "${!phpfpm_urls[@]}" + do + phpfpm_get "${phpfpm_urls[$m]}" + if [ $? -ne 0 ]; then + continue + fi + + # write the result of the work. + cat <<EOF +BEGIN phpfpm_$m.connections $1 +SET active = $((phpfpm_active_processes)) +SET maxActive = $((phpfpm_max_active_processes)) +SET idle = $((phpfpm_idle_processes)) +END +BEGIN phpfpm_$m.requests $1 +SET requests = $((phpfpm_accepted_conn)) +END +BEGIN phpfpm_$m.performance $1 +SET reached = $((phpfpm_max_children_reached)) +SET slow = $((phpfpm_slow_requests)) +END +EOF + done + + return 0 +} |