add a single pool php-fpm net-snmpd extend poller (#83)

snmp/phpfpm-sp

@@ -0,0 +1,148 @@
+#!/usr/local/bin/bash
+
+# add this to snmpd.conf as below... actual path to the script can vary
+# extend phpfpmsp /root/snmp-extends/phpfpm-sp
+#
+# The location is is irrelevant. It just needs to be executable,
+# have access to curl, and be reachable by the snmpd.
+#
+# You can check it via...
+# snmpget -v 2c -c public localhost .1.3.6.1.4.1.8072.1.3.2.3.1.2.8.112.104.112.102.112.109.115.112
+# which should print out... actual values will very...
+# NET-SNMP-EXTEND-MIB::nsExtendOutputFull."phpfpmsp" = STRING: www
+# 11/Feb/2017:18:45:43 -0600
+# 189514
+# 178516
+# 0
+# 0
+# 0
+# 2
+# 1
+# 3
+# 20
+# 13
+# 0
+#
+# In order the returned values are.
+#
+# pool
+# start_time
+# start_since
+# accepted_conn
+# listen_queue
+# max_listen_queue
+# listen_queue_len
+# idle_processes
+# active_processes
+# total_processes
+# max_active_processes
+# max_children_reached
+# slow_requests
+
+
+# the URL to fetch, change as needed
+url="http://localhost/status?full"
+opts=""
+
+# netdata
+# real-time performance and health monitoring, done right!
+# (C) 2016 Costa Tsaousis <costa@tsaousis.gr>
+# GPL v3+
+#
+# Contributed by @safeie with PR #276
+# Modified to work as a SNMP extend by Zane C. Bowers-Hadley
+
+declare -A phpfpm_urls=()
+declare -A phpfpm_curl_opts=()
+
+# _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
+
+
+#	local opts="${1}" url="${2}"
+
+	phpfpm_response=($(curl -Ss ${opts} "${url}"))
+	[ $? -ne 0 -o "${#phpfpm_response[@]}" -eq 0 ] && exit 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" \
+	]]
+		then
+		echo "invalid response from phpfpm status server: ${phpfpm_response[*]}"
+		exit 1;
+	fi
+
+	phpfpm_pool="${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="${phpfpm_response[42]}"
+	if [ "${phpfpm_response[43]}" == "slow" ]
+		then
+	  	phpfpm_slow_requests="${phpfpm_response[45]}"
+	else
+	  	phpfpm_slow_requests="-1"
+	fi
+	
+	if [[ -z "${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}" \
+	]]
+		then
+		echo "empty values got from phpfpm status server: ${phpfpm_response[*]}"
+		exit 1
+	fi
+
+echo $phpfpm_pool
+echo $phpfpm_start_time
+echo $phpfpm_start_since
+echo $phpfpm_accepted_conn
+echo $phpfpm_listen_queue
+echo $phpfpm_max_listen_queue
+echo $phpfpm_listen_queue_len
+echo $phpfpm_idle_processes
+echo $phpfpm_active_processes
+echo $phpfpm_total_processes
+echo $phpfpm_max_active_processes
+echo $phpfpm_max_children_reached
+echo $phpfpm_slow_requests