Add command params to control retries of failed API requests (#243)

* npm audit fix

* Backoff for failed API requests

.gitignore

@@ -4,3 +4,4 @@ node_modules
 *.log
 npm-debug.log
 .nyc_output
+.idea/

bin/usage.txt

@@ -101,4 +101,30 @@ Options:
                             Applies to: change-listener, replicator
                             Default: 600
 
+  --backoff-strategy=type   The backoff strategy to apply to failed API requests. Supported backoff
+                            types are: linear, exponential.
+
+                            Applies to: change-listener
+                            Default: linear
+
+  --backoff-multiplier=num  If --backoff-strategy=exponential this value dictates the multiplier used
+                            when calculating the next retry interval.
+
+                            Applies to: change-listener
+                            Default: 2
+
+  --backoff-delay=secs      If backoff type is linear this is the constant interval between retry
+                            attempts. If backoff type is exponential then this is the initial interval,
+                            and each subsequent retry will be multiplied by the value of
+                            --backoff-multiplier.
+
+                            Applies to: change-listener
+                            Default: 5
+
+  --backoff-limit=num       The maximum number of retry attempts allowed for failed API requests. If this
+                            value is 0 (the default) then it will retry indefinitely.
+
+                            Applies to: change-listener
+                            Default: 0
+
   --version                 Output the version

docker/docker-entrypoint.sh

@@ -4,6 +4,10 @@ set -e
 
 # All command line params in alpha order without the starting --
 declare -a params=(
+  "backoff-delay"
+  "backoff-limit"
+  "backoff-multiplier"
+  "backoff-strategy"
   "batch-size"
   "batch-timeout"
   "check-stalled"