add a directory for running nagios scale/performance tests

[monitor.git] / nagios / test / common.sh

diff --git a/nagios/test/common.sh b/nagios/test/common.sh
new file mode 100644 (file)
index 0000000..0a86152
--- /dev/null
+++ b/nagios/test/common.sh
@@ -0,0 +1,66 @@
+#!/bin/bash 
+
+function percent_true ()
+{
+    PERCENT=$1
+
+    # If R is uniformly random, then it will be less than a threshold PERCENT of the time.
+    P=$(( $PERCENT * 32786 / 100 ))
+    R=$RANDOM
+
+    if [ $R -gt $P ] ; then
+        echo "2"
+    else
+        echo "0"
+    fi
+}
+
+function random_delay ()
+{
+    MAX=$1
+
+    R=$RANDOM
+    P=$(( $R * $MAX / 32786 ))
+
+    echo $P
+}
+
+function random_sample ()
+{
+    file=$1
+    length=$(wc -l $file | awk '{print $1}')
+    R=$RANDOM
+    R_MAX=32786
+    index=$(( $R * $length / $R_MAX ))
+
+    V=`tail -$(( $length - $index )) $file  | head -1`
+    echo $V
+}
+
+function str_to_state ()
+{
+    case "$1" in
+        "OK:")
+            echo "0"
+            ;;
+        "WARNING:")
+            echo "1"
+            ;;
+        *)
+            echo "2"
+            ;;
+    esac
+}
+
+function open_http ()
+{
+    exec 3<> /dev/tcp/$1/80
+    echo "GET /index.html HTTP/1.0" 1>&3
+}
+
+function close_http ()
+{
+    echo 1>&3
+    while read 0<&3; do echo $REPLY >/dev/null; done
+}
+