v1.7.4: Source de verite unique pour les services + update self-healing

setup_services.sh devient la source unique pour les services systemd
(le service rtc_save_to_db etait auparavant cree inline dans
installation_part2.sh, en doublon avec un commentaire dans save_to_db.py).

update_firmware.sh appelle maintenant setup_services.sh apres le git
pull. Resultat: les capteurs deja deployes peuvent se reparer tout
seuls au prochain update firmware (services manquants, masques, ou
nouveaux services ajoutes au repo apres l'installation initiale).

Defensif: systemctl unmask sur rtc_save_to_db avant creation du
fichier .service, pour eviter d'ecrire dans /dev/null si le service
avait ete masque (cas observe sur un capteur en production).

Pas de risque sur les capteurs sains: reecriture des .service avec
le meme contenu, comportement inchange.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
PaulVua
2026-05-12 17:33:54 +02:00
parent 094926e30d
commit 7ad133f446
6 changed files with 75 additions and 81 deletions

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@@ -6,40 +6,10 @@
|_| \_\|_| \____|
Script to read time from RTC module and save it to DB
I2C connection
Address 0x68
/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/save_to_db.py
This need to be run as a system service
--> sudo nano /etc/systemd/system/rtc_save_to_db.service
⬇️
[Unit]
Description=RTC Save to DB Script
After=network.target
[Service]
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/save_to_db.py
Restart=always
RestartSec=1
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db_errors.log
[Install]
WantedBy=multi-user.target
⬆️
sudo systemctl daemon-reload
sudo systemctl enable rtc_save_to_db.service
sudo systemctl start rtc_save_to_db.service
sudo systemctl status rtc_save_to_db.service
I2C connection - Address 0x68
Runs as a long-running systemd service (rtc_save_to_db.service).
The service file is created by services/setup_services.sh — single source of truth.
'''
import smbus2
import time

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@@ -1 +1 @@
1.7.3
1.7.4

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@@ -1,5 +1,26 @@
{
"versions": [
{
"version": "1.7.4",
"date": "2026-05-12",
"changes": {
"features": [],
"improvements": [
"Services systemd: source de verite unique dans services/setup_services.sh (le service rtc_save_to_db etait auparavant cree inline dans installation_part2.sh)",
"update_firmware.sh: appelle maintenant setup_services.sh apres git pull (self-healing des services manquants/masques sur les capteurs deja deployes)",
"setup_services.sh: systemctl unmask defensif sur rtc_save_to_db avant creation du fichier (evite l'ecriture dans /dev/null si le service avait ete masque)"
],
"fixes": [
"Bug observe sur capteur deployé: rtc_save_to_db.service masque -> timestamp_table reste a 'not connected' -> RTC affiche comme non connecte dans les logs SARA alors que le materiel fonctionne. L'update firmware ne reparait pas cette situation. Avec v1.7.4, un simple update firmware repare automatiquement."
],
"compatibility": [
"Aucun risque sur les capteurs sains: les fichiers .service sont reecrits avec le meme contenu, comportement inchange",
"Capteurs avec services manquants/masques: seront repares automatiquement au prochain update firmware",
"Aucune migration manuelle requise"
]
},
"notes": "Reorganisation interne du provisionnement des services systemd. installation_part2.sh ne contient plus la definition inline du service RTC (deduplique). save_to_db.py ne contient plus les instructions systemd en commentaire (deduplique). update_firmware.sh devient self-healing pour les services."
},
{
"version": "1.7.3",
"date": "2026-05-12",

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@@ -72,11 +72,8 @@ imsi_number=$(echo "$imsi_output" | grep -oP '^\d{15}$' || echo "N/A")
#info "Connect SARA R4 to network"
#python3 /var/www/nebuleair_pro_4g/SARA/sara_connectNetwork.py ttyAMA2 20810 60
#Need to create the two service
# 1. start the scripts to set-up the services
# 2. rtc_save_to_db
#1. set-up the services (SARA, NPM, BME280, etc)
# Set up all systemd services (SARA, NPM, BME280, RTC save_to_db, etc.)
# Single source of truth: services/setup_services.sh
info "Setting up systemd services..."
if [[ -f "$REPO_DIR/services/setup_services.sh" ]]; then
@@ -87,43 +84,6 @@ else
warning "Systemd services setup script not found."
fi
#2. Add rtc_save_to_db.service
SERVICE_FILE_2="/etc/systemd/system/rtc_save_to_db.service"
info "Setting up systemd service for rtc_save_to_db..."
# Create the systemd service file (overwrite if necessary)
sudo bash -c "cat > $SERVICE_FILE_2" <<EOF
[Unit]
Description=RTC Save to DB Script
After=network.target
[Service]
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/save_to_db.py
Restart=always
RestartSec=1
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db_errors.log
[Install]
WantedBy=multi-user.target
EOF
success "Systemd service file created: $SERVICE_FILE_2"
# Reload systemd to recognize the new service
info "Reloading systemd daemon..."
sudo systemctl daemon-reload
# Enable the service to start on boot
info "Enabling the service to start on boot..."
sudo systemctl enable rtc_save_to_db.service
# Start the service immediately
info "Starting the service..."
sudo systemctl start rtc_save_to_db.service
# Display device information
echo ""
echo "=========================================="

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@@ -321,6 +321,28 @@ RemainAfterExit=yes
WantedBy=multi-user.target
EOL
# Create service file for RTC Save to DB (long-running service, no timer)
# Unmask first in case it was previously masked (symlink to /dev/null)
# so the cat below writes a real file, not into /dev/null.
systemctl unmask rtc_save_to_db.service 2>/dev/null || true
cat > /etc/systemd/system/rtc_save_to_db.service << 'EOL'
[Unit]
Description=RTC Save to DB Script
After=network.target
[Service]
ExecStart=/usr/bin/python3 /var/www/nebuleair_pro_4g/RTC/save_to_db.py
Restart=always
RestartSec=1
User=root
WorkingDirectory=/var/www/nebuleair_pro_4g
StandardOutput=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db.log
StandardError=append:/var/www/nebuleair_pro_4g/logs/rtc_save_to_db_errors.log
[Install]
WantedBy=multi-user.target
EOL
# Reload systemd to recognize new services
systemctl daemon-reload
@@ -342,6 +364,13 @@ systemctl enable nebuleair-cpu-power.service
systemctl start nebuleair-cpu-power.service
echo "Started nebuleair-cpu-power service"
# Enable and start RTC Save to DB service (long-running, no timer)
# Use restart instead of start to pick up new content if the service was
# already running with an older version of the file.
systemctl enable rtc_save_to_db.service
systemctl restart rtc_save_to_db.service
echo "Started rtc_save_to_db service"
echo "Checking status of all timers..."
systemctl list-timers | grep nebuleair

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@@ -107,6 +107,20 @@ if [ "${APACHE_CHANGED:-false}" = true ]; then
print_status "✓ Apache reloaded"
fi
# Step 3c: Reconcile systemd services with the repo (self-heal)
# Re-running setup_services.sh ensures any service that was removed,
# masked, or never installed gets recreated from the canonical source.
# Idempotent: rewriting an existing service file with the same content
# is a no-op for already-running services.
print_status ""
print_status "Step 3c: Reconciling systemd services with setup_services.sh..."
if [ -x /var/www/nebuleair_pro_4g/services/setup_services.sh ]; then
sudo /var/www/nebuleair_pro_4g/services/setup_services.sh
check_status "Setup services reconciliation"
else
print_status "⚠ setup_services.sh not found or not executable, skipping"
fi
# Step 4: Restart critical services if they exist
print_status ""
print_status "Step 4: Managing system services..."