run cleanupjob on fly (#35)

* clippy+fmt

* poor-man's integration of cleanup job

- runs every 5 hours
- deletes all but 2mn slots

* change slots back

Dockerfile

@@ -22,4 +22,4 @@ COPY --from=build /app/target/release/grpc_banking_transactions_notifications /u
 COPY --from=build /app/target/release/cleanupdb /usr/local/bin/
 COPY --from=build /app/alts.txt /usr/local/bin/
 
-CMD grpc_banking_transactions_notifications --rpc-url "$RPC_URL" --grpc-address-to-fetch-blocks "$GEYSER_GRPC_ADDRESS" --grpc-x-token "$GEYSER_GRPC_X_TOKEN" --banking-grpc-addresses "$LIST_OF_BANKING_STAGE_GRPCS" -a /usr/local/bin/alts.txt
+CMD run-service-and-cleanup.sh

run-service-and-cleanup.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# bring down whole process tree on exit
+trap "kill 0" EXIT
+
+# 432000 = 1 epoch
+declare -i SLOTS_TO_KEEP=432000*2
+
+# setup endless loop to run cleanupdb and put it in background
+while true; do
+  # startup delay
+  sleep 300;
+  # should retain about 1 week of data
+  RUST_LOG=info /usr/local/bin/cleanupdb --num-slots-to-keep $SLOTS_TO_KEEP;
+  # every 5 hours
+  sleep 18000;
+done &
+
+/usr/local/bin/grpc_banking_transactions_notifications --rpc-url "$RPC_URL" --grpc-address-to-fetch-blocks "$GEYSER_GRPC_ADDRESS" --grpc-x-token "$GEYSER_GRPC_X_TOKEN" --banking-grpc-addresses "$LIST_OF_BANKING_STAGE_GRPCS" -a /usr/local/bin/alts.txt