From ddd3e1aa065cea6f51555878e7b80654446dec93 Mon Sep 17 00:00:00 2001
From: Ludovic Poujol <lpoujol@evolix.fr>
Date: Wed, 17 Feb 2021 17:23:11 +0100
Subject: [PATCH] nagios-nrpe: new script check_phpfpm_multi

---
 CHANGELOG.md                                 |  1 +
 nagios-nrpe/files/plugins/check_phpfpm_multi | 82 ++++++++++++++++++++
 nagios-nrpe/templates/evolix.cfg.j2          |  5 ++
 3 files changed, 88 insertions(+)
 create mode 100644 nagios-nrpe/files/plugins/check_phpfpm_multi

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a883ccd..6dc8eba9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ The **patch** part changes incrementally at each release.
 * apache: new variables for logrotate + server-status
 * filebeat: package can be upgraded to latest (default: False)
 * metricbeat: package can be upgraded to latest (default: False)
+* nagios-nrpe: new script check_phpfpm_multi
 * nginx: add access to server status on default VHost
 * postfix: add smtpd_relay_restrictions in configuration
 
diff --git a/nagios-nrpe/files/plugins/check_phpfpm_multi b/nagios-nrpe/files/plugins/check_phpfpm_multi
new file mode 100644
index 00000000..b2788d86
--- /dev/null
+++ b/nagios-nrpe/files/plugins/check_phpfpm_multi
@@ -0,0 +1,82 @@
+#!/bin/bash
+
+
+function detect_pool_dir() {
+  # Try to autodetect pool directory
+  php_version=$(php --version |head -n1 | sed -E 's/^PHP ([0-9]\.[0-9]).*/\1/g')
+  
+  if [[ $php_version =~ ^5. ]]; then
+    echo "/etc/php5/fpm/pool.d/";
+  else
+    echo "/etc/php/$php_version/fpm/pool.d/";
+  fi
+}
+
+return=0
+nb_crit=0
+nb_warn=0
+nb_ok=0
+nb_unchk=0
+output=""
+
+readonly POOL_FOLDER=${1:-$(detect_pool_dir)}
+
+if [[ ! -d "$POOL_FOLDER" ]]; then
+  echo "CRITICAL - $POOL_FOLDER does not exists"
+  exit 2
+fi;  
+
+readonly POOL_FILES=$(find "$POOL_FOLDER" -name "*.conf")
+
+for pool_file in $POOL_FILES; do
+  
+  pool_name=$(grep "^\[" "$pool_file" | sed -E 's/^\[(.*)\].*$/\1/g')
+  pool_status_path=$(grep -E "^pm.status_path\s?=" "$pool_file" |  sed -E "s/.*=\s?'?([^']*)'?\s?$/\1/g")
+  pool_listen=$(grep -E "^listen\s?=" "$pool_file" |  sed -E 's/.*=\s?(.*)\s?$/\1/g')
+  
+  if [[ "$pool_status_path" == '' ]]; then
+      nb_unchk=$((nb_unchk + 1))
+      output="${output}UNCHK - ${pool_name} (missing pm.status_path definition)\n" 
+      
+      continue;
+  fi;
+  
+  if [[ -S "$pool_listen" ]] || [[ ! "$pool_listen" =~ ':'  ]]; then
+    target=(-H 127.0.0.1 --unix "$pool_listen")
+  else
+    target=(-H "$(echo "$pool_listen" | cut -d':' -f1)" -p "$(echo "$pool_listen" | cut -d':' -f2 )")
+  fi
+  
+  result=$(perl /usr/local/lib/nagios/plugins/check_phpfpm_status.pl "${target[@]}" -u "$pool_status_path")
+  ret="${?}"
+  
+  if [ "${ret}" -ge 2 ]; then
+      nb_crit=$((nb_crit + 1))
+      output="${output}${result}\n"
+      [ "${return}" -le 2 ] && return=2
+  elif [ "${ret}" -ge 1 ]; then
+      nb_warn=$((nb_warn + 1))
+      output="${output}${result}\n"
+      [ "${return}" -le 1 ] && return=1
+  else
+      nb_ok=$((nb_ok + 1))
+      output="${output}$(echo "$result" | cut -d '|' -f1)\n"
+      [ "${return}" -le 0 ] && return=0
+  fi
+
+
+done;
+
+
+[ "${return}" -ge 0 ] && header="OK"
+[ "${return}" -ge 1 ] && header="WARNING"
+[ "${return}" -ge 2 ] && header="CRITICAL"
+
+printf "%s - %s UNCHK / %s CRIT / %s WARN / %s OK\n\n" "${header}" "${nb_unchk}" "${nb_crit}" "${nb_warn}" "${nb_ok}"
+
+printf "%b" "${output}" | grep -E "(CRITICAL|UNKNOWN)"
+printf "%b" "${output}" | grep -E "WARNING"
+printf "%b" "${output}" | grep -E "OK"
+printf "%b" "${output}" | grep -E "^UNCHK"
+
+exit "${return}"
diff --git a/nagios-nrpe/templates/evolix.cfg.j2 b/nagios-nrpe/templates/evolix.cfg.j2
index 3fda958f..3d7eea77 100644
--- a/nagios-nrpe/templates/evolix.cfg.j2
+++ b/nagios-nrpe/templates/evolix.cfg.j2
@@ -70,6 +70,11 @@ command[check_haproxy]=sudo {{ nagios_plugins_directory }}/check_haproxy_stats -
 command[check_minifirewall]=sudo {{ nagios_plugins_directory }}/check_minifirewall
 command[check_redis_instances]={{ nagios_plugins_directory }}/check_redis_instances
 command[check_hpraid]={{ nagios_plugins_directory }}/check_hpraid
+command[check_php-fpm]={{ nagios_plugins_directory }}/check_phpfpm_multi
+command[check_php-fpm56]={{ nagios_plugins_directory }}/check_phpfpm_multi /var/lib/lxc/php56/rootfs/etc/php5/fpm/pool.d/
+command[check_php-fpm70]={{ nagios_plugins_directory }}/check_phpfpm_multi /var/lib/lxc/php70/rootfs/etc/php/7.0/fpm/pool.d/
+command[check_php-fpm73]={{ nagios_plugins_directory }}/check_phpfpm_multi /var/lib/lxc/php73/rootfs/etc/php/7.3/fpm/pool.d/
+command[check_php-fpm74]={{ nagios_plugins_directory }}/check_phpfpm_multi /var/lib/lxc/php74/rootfs/etc/php/7.4/fpm/pool.d/
 
 # Check HTTP "many". Use this to check many websites (http, https, ports, sockets and SSL certificates).
 # Beware! All checks must not take more than 10s!