more

2025-11-04 23:10:43 +01:00
parent a38f0e1a5d
commit 79e096dd87
2 changed files with 157 additions and 16 deletions
--- a/README.md
+++ b/README.md
@@ -50,4 +50,62 @@ iptables -t nat -A POSTROUTING     -o br-ext -p tcp -d 192.168.0.0/24 --dport 22

 ## Deploy
 containerlab (via vscode) & go.
-it takes about a minute for the setup to be ready (DHCP etc). 
+it takes a good minute (with 50 workstations) for the setup to be ready (DHCP etc). 
+to create a csv of the online-users, run
+`echo "IP,host,username,pwd"; cat online-users.txt | awk -F' +' 'BEGIN{OFS=","} {$1=$1; print}'`
+on linux-gateway.
+
+## prep workshop
+once the lab is deployed and the online-users.txt is built, generate the cards to print out:
+
+### generate CSV
+`(echo "IP,host,username,pwd"; cat online-users.txt | awk -F' +' 'BEGIN{OFS=","} {$1=$1; print}') > credentials.csv`
+
+### csv2cards script
+```
+#!/usr/bin/env bash
+# csv2cards.sh → html
+CSV=${1:-credentials.csv}
+OUT=${2:-cards.html}
+
+# start the document
+cat >"$OUT" <<'EOF'
+<!DOCTYPE html>
+<html lang="en">
+<head>
+<meta charset="UTF-8">
+<title>Credentials cards</title>
+<style>
+  @page { size: A4 portrait; margin: 1cm; }
+  body { font-family: monospace; display: flex; flex-wrap: wrap; gap: 0.5cm; }
+  .card {
+    width: 9cm;               /* fits 2‑3 cards across A4 */
+    border: 1px solid #333;
+    padding: 0.3cm;
+    box-sizing: border-box;
+    page-break-inside: avoid;
+  }
+  .field { margin: 0.1cm 0; }
+  .label { font-weight: bold; }
+</style>
+</head>
+<body>
+EOF
+
+# read CSV, skip header, emit a <div class="card"> per line
+awk -F',' 'NR>1{
+    printf "<div class=\"card\">\n"
+    printf "  <div class=\"field\"><span class=\"label\">IP:</span> %s</div>\n", $1
+    printf "  <div class=\"field\"><span class=\"label\">Host:</span> %s</div>\n", $2
+    printf "  <div class=\"field\"><span class=\"label\">User:</span> %s</div>\n", $3
+    printf "  <div class=\"field\"><span class=\"label\">Pass:</span> %s</div>\n", $4
+    printf "</div>\n"
+}' "$CSV" >>"$OUT"
+
+# close the document
+cat >>"$OUT" <<'EOF'
+</body>
+</html>
+EOF
+```
+download html, print from browser. Should be automatically A4.