Run generic reconciliation in container

entrypoint.sh

@@ -2,17 +2,44 @@
 set -u
 
 INTERVAL_MINUTES="${SYNC_INTERVAL:-1}"
+APPLY_MODE="${DNS_SYNC_APPLY:-false}"
+STATE_DB="${DNS_SYNC_STATE_DB:-/var/lib/dns-sync/state.sqlite3}"
+MAX_CHANGES="${DNS_SYNC_MAX_CHANGES:-}"
+
 case "$INTERVAL_MINUTES" in
     ''|*[!0-9]*)
         echo "ERROR: SYNC_INTERVAL must be an integer number of minutes" >&2
         exit 1
         ;;
 esac
+
 if [ "$INTERVAL_MINUTES" -lt 1 ]; then
     echo "ERROR: SYNC_INTERVAL must be at least 1 minute" >&2
     exit 1
 fi
 
+case "$(printf '%s' "$APPLY_MODE" | tr '[:upper:]' '[:lower:]')" in
+    1|true|yes|on)
+        APPLY_MODE=true
+        ;;
+    0|false|no|off)
+        APPLY_MODE=false
+        ;;
+    *)
+        echo "ERROR: DNS_SYNC_APPLY must be true or false" >&2
+        exit 1
+        ;;
+esac
+
+if [ -n "$MAX_CHANGES" ]; then
+    case "$MAX_CHANGES" in
+        *[!0-9]*)
+            echo "ERROR: DNS_SYNC_MAX_CHANGES must be a non-negative integer" >&2
+            exit 1
+            ;;
+    esac
+fi
+
 INTERVAL_SECONDS=$((INTERVAL_MINUTES * 60))
 sleep_pid=""
 
@@ -21,22 +48,45 @@ shutdown() {
     [ -z "$sleep_pid" ] || kill "$sleep_pid" 2>/dev/null || true
     exit 0
 }
+
 trap shutdown INT TERM
 
+run_reconcile() {
+    if [ "$APPLY_MODE" = true ]; then
+        if [ -n "$MAX_CHANGES" ]; then
+            python -m dns_sync reconcile \
+                --state-db "$STATE_DB" \
+                --apply \
+                --max-changes "$MAX_CHANGES"
+        else
+            python -m dns_sync reconcile \
+                --state-db "$STATE_DB" \
+                --apply
+        fi
+    else
+        python -m dns_sync reconcile \
+            --state-db "$STATE_DB"
+    fi
+}
+
 echo "DNS sync service started"
 echo "Sync interval: ${INTERVAL_MINUTES} minute(s)"
-echo "Source plugin: ${PROXY:-npm}"
-echo "DNS provider: ${DNS_PROVIDER:-verizon}"
+echo "Reconciliation mode: $([ "$APPLY_MODE" = true ] && echo APPLY || echo READ-ONLY)"
+echo "State database: ${STATE_DB}"
+echo "Enabled plugins: ${ENABLED_PLUGINS:-npm}"
+echo "External plugin path: ${DNS_SYNC_PLUGIN_PATH:-/plugins}"
 
 while :; do
     echo
-    echo "=== DNS sync: $(date -Iseconds) ==="
-    if python -m dns_sync sync; then
-        echo "Sync run completed successfully"
+    echo "=== DNS reconciliation: $(date -Iseconds) ==="
+
+    if run_reconcile; then
+        echo "Reconciliation run completed successfully"
     else
         rc=$?
-        echo "ERROR: Sync run failed with exit code ${rc}" >&2
+        echo "ERROR: Reconciliation run failed with exit code ${rc}" >&2
     fi
+
     sleep "$INTERVAL_SECONDS" &
     sleep_pid=$!
     wait "$sleep_pid" || true