First commit

tools/send-test-logs.sh

@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# Envoie des messages syslog de test (RFC 3164 et RFC 5424) en UDP.
+# Usage : ./tools/send-test-logs.sh [hôte] [port] [nombre]
+set -eu
+
+HOST=${1:-127.0.0.1}
+PORT=${2:-514}
+COUNT=${3:-100}
+
+hosts=(web-01 web-02 db-01 fw-edge nas-home)
+apps=(nginx sshd postgres kernel backup cron)
+
+# « sévérité|message » (3 = err, 4 = warning, 5 = notice, 6 = info, 7 = debug)
+samples=(
+  "6|GET /api/health 200 in 3ms - ok"
+  "6|Accepted publickey for admin from 192.168.1.20 port 51422"
+  "6|Backup job finished: ok (12.4 GB, 00:14:32)"
+  "4|warning: disk usage at 91% on /var"
+  "4|WARNING slow query (2.3s): SELECT * FROM events WHERE ts > now() - interval '1 day'"
+  "3|error: connection refused to upstream 10.0.0.12:5432"
+  "3|Error while rotating logs: permission denied (/var/log/app.log)"
+  "5|Configuration reloaded, 42 rules loaded"
+  "7|debug: cache hit ratio 0.93, token refreshed"
+  "4|Temperature warning: CPU at 84°C"
+  "6|link eth0 up, 1000Mbps full duplex, status ok"
+  "3|Out of memory: Killed process 4121 (java)"
+)
+
+for ((i = 0; i < COUNT; i++)); do
+  h=${hosts[RANDOM % ${#hosts[@]}]}
+  a=${apps[RANDOM % ${#apps[@]}]}
+  s=${samples[RANDOM % ${#samples[@]}]}
+  sev=${s%%|*}
+  msg=${s#*|}
+  pri=$((16 * 8 + sev)) # facility local0
+
+  if ((i % 2)); then
+    ts=$(LC_ALL=C date '+%b %e %H:%M:%S')
+    line="<$pri>$ts $h $a[$((RANDOM % 9000 + 1000))]: $msg"
+  else
+    ts=$(date -u '+%Y-%m-%dT%H:%M:%SZ')
+    line="<$pri>1 $ts $h $a $((RANDOM)) - - $msg"
+  fi
+  printf '%s' "$line" > "/dev/udp/$HOST/$PORT"
+  sleep 0.05
+done
+echo "$COUNT messages envoyés à $HOST:$PORT (udp)"