Cleaner shutdown (#12)

* Cleaner shutdown

* mark as bad just in case although im pretty sure we dont need it

* server session duration

* test clean shutdown

* ah

.circleci/config.yml

@@ -25,7 +25,7 @@ jobs:
           key: cargo-lock-2-{{ checksum "Cargo.lock" }}
       - run:
           name: "Install dependencies"
-          command: "sudo apt-get update && sudo apt-get install -y postgresql-contrib-12 postgresql-client-12"
+          command: "sudo apt-get update && sudo apt-get install -y psmisc postgresql-contrib-12 postgresql-client-12"
       - run:
           name: "Build" 
           command: "cargo build"
@@ -47,4 +47,4 @@ jobs:
 workflows:
   build:
     jobs:
-      - build
+      - build

.circleci/run_tests.sh

@@ -26,3 +26,6 @@ psql -e -h 127.0.0.1 -p 6432 -f tests/sharding/query_routing_test_select.sql > /
 
 # Replica/primary selection & more sharding tests
 psql -e -h 127.0.0.1 -p 6432 -f tests/sharding/query_routing_test_primary_replica.sql > /dev/null
+
+# Attempt clean shut down
+killall pgcat -s SIGINT