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Posted to commits@mesos.apache.org by vi...@apache.org on 2016/07/13 19:10:59 UTC

[4/8] mesos git commit: Implemented 'GetState' call in v1 agent API.

Implemented 'GetState' call in v1 agent API.

Review: https://reviews.apache.org/r/49760/


Project: http://git-wip-us.apache.org/repos/asf/mesos/repo
Commit: http://git-wip-us.apache.org/repos/asf/mesos/commit/a2981795
Tree: http://git-wip-us.apache.org/repos/asf/mesos/tree/a2981795
Diff: http://git-wip-us.apache.org/repos/asf/mesos/diff/a2981795

Branch: refs/heads/master
Commit: a298179585c727255c6637d77229d251fb8dd1af
Parents: d8e4b05
Author: haosdent huang <ha...@gmail.com>
Authored: Wed Jul 13 12:10:22 2016 -0700
Committer: Vinod Kone <vi...@gmail.com>
Committed: Wed Jul 13 12:10:22 2016 -0700

----------------------------------------------------------------------
 include/mesos/agent/agent.proto    |  6 ++-
 include/mesos/v1/agent/agent.proto |  6 ++-
 src/slave/http.cpp                 | 78 ++++++++++++++++++++++++++++++++-
 src/slave/slave.hpp                | 10 +++++
 4 files changed, 97 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/mesos/blob/a2981795/include/mesos/agent/agent.proto
----------------------------------------------------------------------
diff --git a/include/mesos/agent/agent.proto b/include/mesos/agent/agent.proto
index 528b8b3..5b91677 100644
--- a/include/mesos/agent/agent.proto
+++ b/include/mesos/agent/agent.proto
@@ -167,8 +167,12 @@ message Response {
     required bytes data = 2;
   }
 
+  // Contains full state of the agent i.e. information about the tasks,
+  // frameworks and executors running in the cluster.
   message GetState {
-    // TODO(vinod): Fill in the fields.
+    optional GetTasks get_tasks = 1;
+    optional GetExecutors get_executors = 2;
+    optional GetFrameworks get_frameworks = 3;
   }
 
   // Information about containers running on this agent. It contains

http://git-wip-us.apache.org/repos/asf/mesos/blob/a2981795/include/mesos/v1/agent/agent.proto
----------------------------------------------------------------------
diff --git a/include/mesos/v1/agent/agent.proto b/include/mesos/v1/agent/agent.proto
index 699a17b..8145669 100644
--- a/include/mesos/v1/agent/agent.proto
+++ b/include/mesos/v1/agent/agent.proto
@@ -167,8 +167,12 @@ message Response {
     required bytes data = 2;
   }
 
+  // Contains full state of the agent i.e. information about the tasks,
+  // frameworks and executors running in the cluster.
   message GetState {
-    // TODO(vinod): Fill in the fields.
+    optional GetTasks get_tasks = 1;
+    optional GetExecutors get_executors = 2;
+    optional GetFrameworks get_frameworks = 3;
   }
 
   // Information about containers running on this agent. It contains

http://git-wip-us.apache.org/repos/asf/mesos/blob/a2981795/src/slave/http.cpp
----------------------------------------------------------------------
diff --git a/src/slave/http.cpp b/src/slave/http.cpp
index 63968bf..2cbf3c5 100644
--- a/src/slave/http.cpp
+++ b/src/slave/http.cpp
@@ -385,7 +385,7 @@ Future<Response> Slave::Http::api(
       return readFile(call, principal, acceptType);
 
     case agent::Call::GET_STATE:
-      return NotImplemented();
+      return getState(call, principal, acceptType);
 
     case agent::Call::GET_CONTAINERS:
       return getContainers(call, principal, acceptType);
@@ -1411,6 +1411,82 @@ agent::Response::GetTasks Slave::Http::_getTasks(
 }
 
 
+Future<Response> Slave::Http::getState(
+    const agent::Call& call,
+    const Option<string>& principal,
+    ContentType contentType) const
+{
+  CHECK_EQ(agent::Call::GET_STATE, call.type());
+
+  // Retrieve Approvers for authorizing frameworks and tasks.
+  Future<Owned<ObjectApprover>> frameworksApprover;
+  Future<Owned<ObjectApprover>> tasksApprover;
+  Future<Owned<ObjectApprover>> executorsApprover;
+  if (slave->authorizer.isSome()) {
+    authorization::Subject subject;
+    if (principal.isSome()) {
+      subject.set_value(principal.get());
+    }
+
+    frameworksApprover = slave->authorizer.get()->getObjectApprover(
+        subject, authorization::VIEW_FRAMEWORK);
+
+    tasksApprover = slave->authorizer.get()->getObjectApprover(
+        subject, authorization::VIEW_TASK);
+
+    executorsApprover = slave->authorizer.get()->getObjectApprover(
+        subject, authorization::VIEW_EXECUTOR);
+  } else {
+    frameworksApprover = Owned<ObjectApprover>(new AcceptingObjectApprover());
+    tasksApprover = Owned<ObjectApprover>(new AcceptingObjectApprover());
+    executorsApprover = Owned<ObjectApprover>(new AcceptingObjectApprover());
+  }
+
+  return collect(frameworksApprover, tasksApprover, executorsApprover)
+    .then(defer(slave->self(),
+      [=](const tuple<Owned<ObjectApprover>,
+                      Owned<ObjectApprover>,
+                      Owned<ObjectApprover>>& approvers)
+        -> Future<Response> {
+      // Get approver from tuple.
+      Owned<ObjectApprover> frameworksApprover;
+      Owned<ObjectApprover> tasksApprover;
+      Owned<ObjectApprover> executorsApprover;
+      tie(frameworksApprover, tasksApprover, executorsApprover) = approvers;
+
+      agent::Response response;
+      response.set_type(agent::Response::GET_STATE);
+      response.mutable_get_state()->CopyFrom(
+          _getState(frameworksApprover,
+                    tasksApprover,
+                    executorsApprover));
+
+      return OK(serialize(contentType, evolve(response)),
+                stringify(contentType));
+    }));
+}
+
+
+agent::Response::GetState Slave::Http::_getState(
+    const Owned<ObjectApprover>& frameworksApprover,
+    const Owned<ObjectApprover>& tasksApprover,
+    const Owned<ObjectApprover>& executorsApprover) const
+{
+  agent::Response::GetState getState;
+
+  getState.mutable_get_tasks()->CopyFrom(
+    _getTasks(frameworksApprover, tasksApprover, executorsApprover));
+
+  getState.mutable_get_executors()->CopyFrom(
+    _getExecutors(frameworksApprover, executorsApprover));
+
+  getState.mutable_get_frameworks()->CopyFrom(
+    _getFrameworks(frameworksApprover));
+
+  return getState;
+}
+
+
 string Slave::Http::STATISTICS_HELP()
 {
   return HELP(

http://git-wip-us.apache.org/repos/asf/mesos/blob/a2981795/src/slave/slave.hpp
----------------------------------------------------------------------
diff --git a/src/slave/slave.hpp b/src/slave/slave.hpp
index 4995c84..9864cf4 100644
--- a/src/slave/slave.hpp
+++ b/src/slave/slave.hpp
@@ -576,6 +576,16 @@ private:
         const process::Owned<ObjectApprover>& tasksApprover,
         const process::Owned<ObjectApprover>& executorsApprover) const;
 
+    process::Future<process::http::Response> getState(
+        const mesos::agent::Call& call,
+        const Option<std::string>& principal,
+        ContentType contentType) const;
+
+    mesos::agent::Response::GetState _getState(
+        const process::Owned<ObjectApprover>& frameworksApprover,
+        const process::Owned<ObjectApprover>& taskApprover,
+        const process::Owned<ObjectApprover>& executorsApprover) const;
+
     Slave* slave;
 
     // Used to rate limit the statistics endpoint.