enhance stats generation script to ease post processing

README.md

@@ -24,4 +24,4 @@ analyse.sh {ingress fqdn} [keep_results]
 
 Option *keep_results* does not ovewrite file on startup.
 
-Information is displayed in csv format: date (epoch) | request total time | response http code | page successfully reached (0/1) | response conntent
+Information is displayed in csv format: "Date (Epoch)";"Request duration";"HTTP Response code";"App availability";"Event";"Response content"

analyse.sh

@@ -2,6 +2,7 @@
 
 # This script asserts that init.sh workload script is left as is.
 
+date_format='+%s'
 
 script_dir=$(dirname $(readlink -f ${0}))
 results_file=${script_dir}/analyse_results.csv
@@ -14,13 +15,6 @@ else
     analyse_url=${1}
 fi
 
-if [[ "${2}" == "keep_results" ]] ; then
-    keep_results=true
-else
-    keep_results=false
-    echo '' > ${results_file}
-fi
-
 cleanup() {
     if [ -e "${tmp_headers_file}" ] ; then
         rm -v ${tmp_headers_file}
@@ -28,16 +22,37 @@ cleanup() {
     echo Ingress statistics can be viewed in ${results_file}
 }
 
-echo Launching test, press CTRL+C to exit
+insert_event () {
+    insert_date=$(date ${date_format})
+    echo "${insert_date};;;;2;\"Event from SIGUSR1\"" | tee -a ${results_file}
+}
 
-# Defining cleannup onn sigint
+# Signnals handling
 trap cleanup 2
+trap insert_event 30
 
+# Explanations
+echo Process id to send signal is $$
+echo To insert event in log, send SIGUSR1 to $$
+echo following command cann be used: kill -s SIGUSR1 $$
+echo
+echo Launching test, press CTRL+C to exit
+echo
+
+# Result file handling
+if [[ "${2}" == "keep_results" ]] ; then
+    keep_results=true
+else
+    keep_results=false
+    echo '"Date (Epoch)";"Request duration";"HTTP Response code";"App availability";"Event";"Response content"' | tee ${results_file}
+fi
+
+# Statistics generation
 while true ; do
-    request_date=$(date '+%s')
+    request_date=$(date ${date_format})
     request_data="$(curl -m 2 -s -w "%output{$tmp_headers_file}%{time_total};%{http_code}" -k "${analyse_url}" | tr -d "\r" |tr -d "\n" | tr -d ";")"
     request_headers=$(cat ${tmp_headers_file})
     response_success=$( [[ "$(echo ${request_headers} | cut -f2 -d';')" == "200" ]] && echo 1 || echo 0)
-    echo "${request_date};${request_headers};${response_success};${request_data}" | tee -a ${results_file}
+    echo "${request_date};${request_headers};${response_success};;\"${request_data}\"" | tee -a ${results_file}
     sleep 1
 done