From 109961ac84cba83826ccc1834e29e58f946ef90b Mon Sep 17 00:00:00 2001
From: Anton Lundin <glance@ac2.se>
Date: Tue, 27 Feb 2024 12:52:14 +0100
Subject: [PATCH] Add a plain bash version of memcached helper

This is for servers which don't have php installed.
---
 snmp/memcached.sh | 49 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100755 snmp/memcached.sh

diff --git a/snmp/memcached.sh b/snmp/memcached.sh
new file mode 100755
index 000000000..627a2f730
--- /dev/null
+++ b/snmp/memcached.sh
@@ -0,0 +1,49 @@
+#!/bin/bash
+
+declare -A stats
+
+exec 200<>/dev/tcp/localhost/11211
+echo "stats" >&200
+echo "quit" >&200
+
+while read -r pre var val ; do 
+	if [ "$pre" = "END" ] ; then
+        break
+    elif [ "$pre" = "STAT" ] ; then
+		val="${val/$'\r'/}"
+		if [ "$var" = "rusage_system" ] || [ "$var" = "rusage_user" ] ; then
+			val=$(bc -l <<< "scale=0 ; ($val * 1000)/1")
+			var+="_microseconds"
+		fi
+		stats["$var"]=$val
+	fi
+done <&200
+
+exec 200>&-
+
+cat <<EOD
+{
+    "data": {
+        "localhost:11211": {
+EOD
+
+for var in "${!stats[@]}" ; do
+	val=${stats["$var"]}
+	if [ "$val" -eq "$val" ] 2>/dev/null ; then
+		#echo -nE "s:${#var}:\"$var\";i:$val;"
+		echo "\"$var\": $val,"
+	else
+		#echo -nE "s:${#var}:\"$var\";s:${#val}:\"$val\";"
+		echo "\"$var\": \"$val\","
+	fi
+done
+echo '"dummy":"value"'
+
+cat <<EOD
+        }
+    },
+    "error": 0,
+    "errorString": "SUCCESS",
+    "version": "1.1"
+}
+EOD