Implement reporting service.

roles/lmn_fvs/files/pwroff.timer

@@ -1,9 +1,9 @@
 [Unit]
-Description=Run pwroff script every 30 min after 90 min uptime
+Description=Run pwroff script every 15 min after 90 min uptime
 
 [Timer]
 OnBootSec=90min
-OnUnitActiveSec=30min
+OnUnitActiveSec=15min
 
 [Install]
 WantedBy=timers.target

roles/lmn_fvs/files/reporter

@@ -0,0 +1,51 @@
+#!/usr/bin/bash
+#
+# Send stdout of some commands to monitoring server.
+# Collect the reports with 'nc -u -k -l 1234' on 'sendto'.
+# Use /bin/nc.openbsd, /bin/nc.traditional seems not to work.
+#
+set -eu
+
+sendto="collector.steinbeis.schule 1234"
+
+cmds=(
+    'uname -a'
+    'uptime'
+    'apt list --upgradeable -o Apt::Cmd::Disable-Script-Warning=true'
+    'systemctl --failed'
+    'w'
+    'ls -ld /home/ansible/.ansible/tmp/'
+    'ip addr show'
+)
+
+r="$HOSTNAME: ------- $(date) -------
+$(for c in "${cmds[@]}" ; do echo "$c"; $c | sed 's/^/  /' ; done | sed "s/^/$HOSTNAME: /")
+## -------------------------------------------------"
+echo "$r" | nc -w 1 -u $sendto
+
+
+## below is the corresponding collector part:
+
+# #!/usr/bin/bash
+# #
+# # collect messages from reporter and drop it into log files
+# #
+#
+# set -eu
+#
+# port=1234
+#
+# logdir="/var/log/collector"
+# [[ -d "$logdir" ]] || mkdir "$logdir"
+#
+# nc -k -l -u -p "$port" | while read line ; do
+#     sndr="${line%%:*}"
+#     msg="${line#*: }"
+#     if [[ "$sndr" =~ [a-z0-9]+ ]] ; then
+#         if [[ "$msg" =~ ^-------\ .+\ -------$ ]] ; then
+#             echo "$msg" >  "$logdir/$sndr"
+#         else
+#             echo "$msg" >> "$logdir/$sndr"
+#         fi
+#     fi
+# done

roles/lmn_fvs/files/reporter.service

@@ -0,0 +1,6 @@
+[Unit]
+Description=Run reporting script
+
+[Service]
+Type=simple
+ExecStart=/usr/local/sbin/reporter

roles/lmn_fvs/files/reporter.timer

@@ -0,0 +1,9 @@
+[Unit]
+Description=Run reporter script every 15 min
+
+[Timer]
+OnBootSec=5min
+OnUnitActiveSec=15min
+
+[Install]
+WantedBy=timers.target