set maxRetriesPerRequest from environment variable

services/document-updater/config/settings.defaults.coffee

@@ -25,13 +25,13 @@ module.exports =
 			host: process.env['PUBSUB_REDIS_HOST'] or process.env['REDIS_HOST'] or "localhost"
 			port: process.env['PUBSUB_REDIS_PORT'] or process.env['REDIS_PORT'] or "6379"
 			password: process.env["PUBSUB_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			maxRetriesPerRequest: 0
+			maxRetriesPerRequest: parseInt(process.env['REDIS_MAX_RETRIES_PER_REQUEST'] or "20")
 
 		history:
 			port: process.env["HISTORY_REDIS_PORT"] or process.env["REDIS_PORT"] or "6379"
 			host: process.env["HISTORY_REDIS_HOST"] or process.env["REDIS_HOST"] or "localhost"
 			password: process.env["HISTORY_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			maxRetriesPerRequest: 0
+			maxRetriesPerRequest: parseInt(process.env['REDIS_MAX_RETRIES_PER_REQUEST'] or "20")
 			key_schema:
 				uncompressedHistoryOps: ({doc_id}) -> "UncompressedHistoryOps:{#{doc_id}}"
 				docsWithHistoryOps: ({project_id}) -> "DocsWithHistoryOps:{#{project_id}}"
@@ -40,7 +40,7 @@ module.exports =
 			port: process.env["HISTORY_REDIS_PORT"] or process.env["REDIS_PORT"] or "6379"
 			host: process.env["HISTORY_REDIS_HOST"] or process.env["REDIS_HOST"] or "localhost"
 			password: process.env["HISTORY_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			maxRetriesPerRequest: 0
+			maxRetriesPerRequest: parseInt(process.env['REDIS_MAX_RETRIES_PER_REQUEST'] or "20")
 			key_schema:
 				projectHistoryOps: ({project_id}) -> "ProjectHistory:Ops:{#{project_id}}"
 				projectHistoryFirstOpTimestamp: ({project_id}) -> "ProjectHistory:FirstOpTimestamp:{#{project_id}}"
@@ -49,7 +49,7 @@ module.exports =
 			port: process.env["LOCK_REDIS_PORT"] or process.env["REDIS_PORT"] or "6379"
 			host: process.env["LOCK_REDIS_HOST"] or process.env["REDIS_HOST"] or "localhost"
 			password: process.env["LOCK_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			maxRetriesPerRequest: 0
+			maxRetriesPerRequest: parseInt(process.env['REDIS_MAX_RETRIES_PER_REQUEST'] or "20")
 			key_schema:
 				blockingKey: ({doc_id}) -> "Blocking:{#{doc_id}}"
 
@@ -57,7 +57,7 @@ module.exports =
 			port: process.env["DOC_UPDATER_REDIS_PORT"] or process.env["REDIS_PORT"] or "6379"
 			host: process.env["DOC_UPDATER_REDIS_HOST"] or process.env["REDIS_HOST"] or "localhost"
 			password: process.env["DOC_UPDATER_REDIS_PASSWORD"] or process.env["REDIS_PASSWORD"] or ""
-			maxRetriesPerRequest: 0
+			maxRetriesPerRequest: parseInt(process.env['REDIS_MAX_RETRIES_PER_REQUEST'] or "20")
 			key_schema:
 				blockingKey: ({doc_id}) -> "Blocking:{#{doc_id}}"
 				docLines: ({doc_id}) -> "doclines:{#{doc_id}}"