Break redis into a function. Add reference to README for now

README.md

@@ -128,6 +128,13 @@ You can see worker pods spin up then complete by watching the status of all pods
 watch kubectl get pods
 ```
 
+To see progress and failed batches, connect to Redis with
+```
+./mev redis
+```
+
+then query keys keys and values using the [spec shared by dramatiq](https://github.com/Bogdanp/dramatiq/blob/24cbc0dc551797783f41b08ea461e1b5d23a4058/dramatiq/brokers/redis/dispatch.lua#L24-L43)
+
 To watch the logs for a given pod, take its pod name using the above, then run:
 ```
 kubectl logs -f pod/mev-inspect-backfill-abcdefg

mev

@@ -23,6 +23,16 @@ function db(){
         -- $DB_NAME --host=$host --user=$username
 }
 
+function redis(){
+    echo "To continue, enter 'shift + r'"
+    redis_password=$(get_kube_secret "redis" "redis-password")
+    kubectl run -i --rm --tty \
+        --namespace default redis-client-$RANDOM \
+        --env REDIS_PASSWORD=$redis_password \
+        --image docker.io/bitnami/redis:6.2.6-debian-10-r0 \
+        --command -- redis-cli -h redis-master -a $redis_password
+}
+
 case "$1" in
   db)
         echo "Connecting to $DB_NAME"
@@ -30,13 +40,7 @@ case "$1" in
 	;;
   redis)
         echo "Connecting to redis"
-        echo "To continue enter 'shift + r'"
+        redis
-        redis_password=$(get_kube_secret "redis" "redis-password")
-        kubectl run -i --rm --tty \
-            --namespace default redis-client-$RANDOM \
-            --env REDIS_PASSWORD=$redis_password \
-            --image docker.io/bitnami/redis:6.2.6-debian-10-r0 \
-            --command -- redis-cli -h redis-master -a $redis_password
     ;;
   listener)
         kubectl exec -ti deploy/mev-inspect -- ./listener $2