adebaumann/Thinkcentre-watchdog
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Add HA connection validation and improved error debugging

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- Add test_ha_connection() function to validate API access at startup
- Improve error logging with response body details
- Add debug logs showing exact API endpoints being called
- Capture stderr from curl to catch connection errors
This commit is contained in:
Adrian A. Baumann
2025-12-05 22:49:23 +01:00
parent a96143158d
commit f4c5b19b5c
1 changed files with 28 additions and 4 deletions
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32
thinkcenter_monitor.sh
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@@ -33,6 +33,20 @@ log() {
echo "[$timestamp] $message" | tee -a "$LOG_FILE"
}
test_ha_connection() {
# Test Home Assistant connectivity at startup
log "Testing Home Assistant connection..."
local http_code=$(curl -s -o /dev/null -w "%{http_code}" -H "Authorization: Bearer $HA_TOKEN" "$HA_URL/api/" 2>/dev/null)
if [[ "$http_code" == "200" ]]; then
log "Home Assistant API connection successful"
return 0
else
log "ERROR: Home Assistant API returned HTTP $http_code"
return 1
fi
}
check_target() {
# Use curl to get HTTP response code without following redirects
local response_code=$(curl -s -o /dev/null -w "%{http_code}" -m 5 "$TARGET_URL" 2>/dev/null)
@@ -65,11 +79,12 @@ trigger_power_cycle() {
# Turn off
log "Sending turn_off request to Home Assistant ($turn_off_service)..."
log "DEBUG: POST to $HA_URL/api/services/$turn_off_service with entity_id=$entity"
local response=$(curl -s -w "\n%{http_code}" -X POST \
-H "Authorization: Bearer $HA_TOKEN" \
-H "Content-Type: application/json" \
-d "{\"entity_id\": \"$entity\"}" \
"$HA_URL/api/services/$turn_off_service")
"$HA_URL/api/services/$turn_off_service" 2>&1)
local http_code=$(echo "$response" | tail -n 1)
local body=$(echo "$response" | head -n -1)
@@ -77,7 +92,8 @@ trigger_power_cycle() {
if [[ "$http_code" =~ ^[2][0-9]{2}$ ]]; then
log "Turn off request sent successfully (HTTP $http_code)"
else
log "ERROR: Failed to send turn_off request (HTTP $http_code). Response: $body"
log "ERROR: Failed to send turn_off request (HTTP $http_code)"
log "ERROR: Response body: $body"
fi
# Wait 10 seconds
@@ -86,11 +102,12 @@ trigger_power_cycle() {
# Turn on
log "Sending turn_on request to Home Assistant ($turn_on_service)..."
log "DEBUG: POST to $HA_URL/api/services/$turn_on_service with entity_id=$entity"
local response=$(curl -s -w "\n%{http_code}" -X POST \
-H "Authorization: Bearer $HA_TOKEN" \
-H "Content-Type: application/json" \
-d "{\"entity_id\": \"$entity\"}" \
"$HA_URL/api/services/$turn_on_service")
"$HA_URL/api/services/$turn_on_service" 2>&1)
local http_code=$(echo "$response" | tail -n 1)
local body=$(echo "$response" | head -n -1)
@@ -99,7 +116,8 @@ trigger_power_cycle() {
log "Turn on request sent successfully (HTTP $http_code)"
log "Power cycle completed for $entity"
else
log "ERROR: Failed to send turn_on request (HTTP $http_code). Response: $body"
log "ERROR: Failed to send turn_on request (HTTP $http_code)"
log "ERROR: Response body: $body"
fi
# Reset state
@@ -115,6 +133,12 @@ log " HA_ENTITY: $HA_ENTITY"
log " GRACE_PERIOD: ${GRACE_PERIOD}s ($(( GRACE_PERIOD / 60 )) minutes)"
log " CHECK_INTERVAL: ${CHECK_INTERVAL}s"
# Test HA connection before entering main loop
if ! test_ha_connection; then
log "FATAL: Cannot connect to Home Assistant. Exiting."
exit 1
fi
# Main monitoring loop
while true; do
RESPONSE_CODE=$(check_target)