Repository: mesos
Updated Branches:
  refs/heads/master 24317f9d1 -> e490d452a


Renamed isCommandExecutor to isGeneratedForCommandTask.

The name `isCommandExecutor` is not really precise because it could also
for Docker Executor. This patch renamed this method to be more accurate.

Review: https://reviews.apache.org/r/64814


Project: http://git-wip-us.apache.org/repos/asf/mesos/repo
Commit: http://git-wip-us.apache.org/repos/asf/mesos/commit/d9cf4bc2
Tree: http://git-wip-us.apache.org/repos/asf/mesos/tree/d9cf4bc2
Diff: http://git-wip-us.apache.org/repos/asf/mesos/diff/d9cf4bc2

Branch: refs/heads/master
Commit: d9cf4bc25055b30c9f7de8971e8b991394275301
Parents: 24317f9
Author: Jie Yu <[email protected]>
Authored: Fri Dec 22 13:20:57 2017 -0800
Committer: Jie Yu <[email protected]>
Committed: Fri Dec 22 15:28:17 2017 -0800

----------------------------------------------------------------------
 src/slave/slave.cpp | 36 +++++++++++++++++++-----------------
 src/slave/slave.hpp |  8 +++++---
 2 files changed, 24 insertions(+), 20 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/mesos/blob/d9cf4bc2/src/slave/slave.cpp
----------------------------------------------------------------------
diff --git a/src/slave/slave.cpp b/src/slave/slave.cpp
index dde3dac..e0806ab 100644
--- a/src/slave/slave.cpp
+++ b/src/slave/slave.cpp
@@ -1618,9 +1618,10 @@ void Slave::doReliableRegistration(Duration maxBackoff)
               task, TASK_STAGING, framework->id()));
         }
 
-        // Do not re-register with Command Executors because the
-        // master doesn't store them; they are generated by the slave.
-        if (!executor->isCommandExecutor()) {
+        // Do not re-register with Command (or Docker) Executors
+        // because the master doesn't store them; they are generated
+        // by the slave.
+        if (!executor->isGeneratedForCommandTask()) {
           // Ignore terminated executors because they do not consume
           // any resources.
           if (executor->state != Executor::TERMINATED) {
@@ -3023,7 +3024,7 @@ void Slave::launchExecutor(
       ->CopyFrom(executorInfo_.container());
   }
 
-  if (executor->isCommandExecutor()) {
+  if (executor->isGeneratedForCommandTask()) {
     CHECK_SOME(taskInfo)
       << "Command (or Docker) executor does not support task group";
 
@@ -5593,8 +5594,8 @@ ExecutorInfo Slave::getExecutorInfo(
         "'; exit 1");
   }
 
-  // Add an allowance for the command executor. This does lead to a
-  // small overcommit of resources.
+  // Add an allowance for the command (or docker) executor. This does
+  // lead to a small overcommit of resources.
   //
   // NOTE: The size of the memory is truncated here to preserve the
   // existing behavior for backward compatibility.
@@ -5850,11 +5851,11 @@ void Slave::executorTerminated(
         }
       }
 
-      // Only send ExitedExecutorMessage if it is not a Command
-      // Executor because the master doesn't store them; they are
-      // generated by the slave.
+      // Only send ExitedExecutorMessage if it is not a Command (or
+      // Docker) Executor because the master doesn't store them; they
+      // are generated by the slave.
       // TODO(vinod): Reliably forward this message to the master.
-      if (!executor->isCommandExecutor()) {
+      if (!executor->isGeneratedForCommandTask()) {
         ExitedExecutorMessage message;
         message.mutable_slave_id()->MergeFrom(info.id());
         message.mutable_framework_id()->MergeFrom(frameworkId);
@@ -8862,15 +8863,16 @@ Executor::Executor(
 {
   CHECK_NOTNULL(slave);
 
-  // TODO(jieyu): The way we determine if an executor is command
-  // executor (including docker executor) is really hacky. We rely on
-  // the fact that docker executor launch command is set in the docker
-  // containerizer so that this check is still valid in the slave.
+  // TODO(jieyu): The way we determine if an executor is generated for
+  // a command task (either command or docker executor) is really
+  // hacky. We rely on the fact that docker executor launch command is
+  // set in the docker containerizer so that this check is still valid
+  // in the slave.
   Result<string> executorPath =
     os::realpath(path::join(slave->flags.launcher_dir, MESOS_EXECUTOR));
 
   if (executorPath.isSome()) {
-    commandExecutor =
+    isGeneratedForCommandTask_ =
       strings::contains(info.command().value(), executorPath.get());
   }
 }
@@ -9177,9 +9179,9 @@ bool Executor::incompleteTasks()
 }
 
 
-bool Executor::isCommandExecutor() const
+bool Executor::isGeneratedForCommandTask() const
 {
-  return commandExecutor;
+  return isGeneratedForCommandTask_;
 }
 
 

http://git-wip-us.apache.org/repos/asf/mesos/blob/d9cf4bc2/src/slave/slave.hpp
----------------------------------------------------------------------
diff --git a/src/slave/slave.hpp b/src/slave/slave.hpp
index e0f0c82..b5eec33 100644
--- a/src/slave/slave.hpp
+++ b/src/slave/slave.hpp
@@ -855,8 +855,10 @@ public:
     }
   }
 
-  // Returns true if this is a command executor.
-  bool isCommandExecutor() const;
+  // Returns true if this executor is generated by Mesos for a command
+  // task (either command executor for MesosContainerizer or docker
+  // executor for DockerContainerizer).
+  bool isGeneratedForCommandTask() const;
 
   // Closes the HTTP connection.
   void closeHttpConnection();
@@ -947,7 +949,7 @@ private:
   Executor(const Executor&) = delete;
   Executor& operator=(const Executor&) = delete;
 
-  bool commandExecutor;
+  bool isGeneratedForCommandTask_;
 };
 
 

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