[incubator-openwhisk] branch master updated: Invokers only require Redis if using dynamic Id assignment (#2871)

[rabbah]

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rabbah pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-openwhisk.git


The following commit(s) were added to refs/heads/master by this push:
     new 45e392e  Invokers only require Redis if using dynamic Id assignment 
(#2871)
45e392e is described below

commit 45e392e13fc7cd659e2a29b20ab070288412e200
Author: David Grove <dgrove-...@users.noreply.github.com>
AuthorDate: Fri Oct 20 13:56:18 2017 -0400

    Invokers only require Redis if using dynamic Id assignment (#2871)
    
    Make REDIS_HOST_NAME and REDIS_HOST_PORT optional for the invoker
    and only trap as a configuration error when the invoker actually
    tries to perform dynamicId assignment.
---
 common/scala/src/main/scala/whisk/core/WhiskConfig.scala     | 1 -
 core/invoker/src/main/scala/whisk/core/invoker/Invoker.scala | 8 +++++++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/common/scala/src/main/scala/whisk/core/WhiskConfig.scala 
b/common/scala/src/main/scala/whisk/core/WhiskConfig.scala
index e90e627..7e9d7c1 100644
--- a/common/scala/src/main/scala/whisk/core/WhiskConfig.scala
+++ b/common/scala/src/main/scala/whisk/core/WhiskConfig.scala
@@ -221,7 +221,6 @@ object WhiskConfig {
   val edgeHost = Map(edgeHostName -> null, edgeHostApiPort -> null)
   val invokerHosts = Map(invokerHostsList -> null)
   val kafkaHost = Map(kafkaHostName -> null, kafkaHostPort -> null)
-  val redisHost = Map(redisHostName -> null, redisHostPort -> null)
 
   val runtimesManifest = "runtimes.manifest"
 
diff --git a/core/invoker/src/main/scala/whisk/core/invoker/Invoker.scala 
b/core/invoker/src/main/scala/whisk/core/invoker/Invoker.scala
index bf6bb39..f08b9b4 100644
--- a/core/invoker/src/main/scala/whisk/core/invoker/Invoker.scala
+++ b/core/invoker/src/main/scala/whisk/core/invoker/Invoker.scala
@@ -50,7 +50,7 @@ object Invoker {
       WhiskEntityStore.requiredProperties ++
       WhiskActivationStore.requiredProperties ++
       kafkaHost ++
-      redisHost ++
+      Map(redisHostName -> "", redisHostPort -> "") ++
       wskApiHost ++ Map(
       dockerImageTag -> "latest",
       invokerNumCore -> "4",
@@ -94,6 +94,12 @@ object Invoker {
         id
       }
       .getOrElse {
+        if (config.redisHostName.trim.isEmpty || 
config.redisHostPort.trim.isEmpty) {
+          logger.error(
+            this,
+            s"Must provide valid Redis host and port to use dynamicId 
assignment (${config.redisHostName}:${config.redisHostPort})")
+          abort()
+        }
         val invokerName = config.invokerName
         val redisClient = new RedisClient(config.redisHostName, 
config.redisHostPort.toInt)
         val assignedId = redisClient

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