!5085 Enable hostname parameter for DatasetCache

Merge pull request !5085 from lixiachen/cache_hostname

mindspore/ccsrc/minddata/dataset/api/python/bindings/dataset/engine/cache/bindings.cc

@@ -23,11 +23,13 @@ namespace dataset {
 PYBIND_REGISTER(CacheClient, 0, ([](const py::module *m) {
                   (void)py::class_<CacheClient, std::shared_ptr<CacheClient>>(*m, "CacheClient")
                     .def(
-                      py::init([](session_id_type id, uint64_t mem_sz, bool spill, int32_t port, int32_t prefetch_sz) {
+                      py::init([](session_id_type id, uint64_t mem_sz, bool spill, std::optional<std::string> hostname,
+                                  std::optional<int32_t> port, int32_t prefetch_sz) {
                         std::shared_ptr<CacheClient> cc;
                         CacheClient::Builder builder;
-                        builder.SetSessionId(id).SetCacheMemSz(mem_sz).SetSpill(spill).SetPort(port).SetPrefetchSize(
-                          prefetch_sz);
+                        builder.SetSessionId(id).SetCacheMemSz(mem_sz).SetSpill(spill).SetPrefetchSize(prefetch_sz);
+                        if (hostname) builder.SetHostname(hostname.value());
+                        if (port) builder.SetPort(port.value());
                         THROW_IF_ERROR(builder.Build(&cc));
                         return cc;
                       }))

mindspore/ccsrc/minddata/dataset/core/config_manager.cc

@@ -19,10 +19,37 @@
 #include <iostream>
 #include <string>
 
+#include "mindspore/core/utils/log_adapter.h"
 #include "minddata/dataset/util/system_pool.h"
 
 namespace mindspore {
 namespace dataset {
+ConfigManager::ConfigManager()
+    : rows_per_buffer_(kCfgRowsPerBuffer),
+      num_parallel_workers_(kCfgParallelWorkers),
+      worker_connector_size_(kCfgWorkerConnectorSize),
+      op_connector_size_(kCfgOpConnectorSize),
+      seed_(kCfgDefaultSeed),
+      monitor_sampling_interval_(kCfgMonitorSamplingInterval),
+      callback_timout_(kCfgCallbackTimeout),
+      cache_host_(kCfgDefaultCacheHost),
+      cache_port_(kCfgDefaultCachePort) {
+  auto env_cache_host = std::getenv("MS_CACHE_HOST");
+  auto env_cache_port = std::getenv("MS_CACHE_PORT");
+  if (env_cache_host) {
+    cache_host_ = env_cache_host;
+  }
+  if (env_cache_port) {
+    char *end = nullptr;
+    cache_port_ = strtol(env_cache_port, &end, 10);
+    if (*end != '\0') {
+      MS_LOG(WARNING) << "\nCache port from env variable MS_CACHE_PORT is invalid, back to use default "
+                      << kCfgDefaultCachePort << std::endl;
+      cache_port_ = kCfgDefaultCachePort;
+    }
+  }
+}
+
 // A print method typically used for debugging
 void ConfigManager::Print(std::ostream &out) const {
   // Don't show the test/internal ones.  Only display the main ones here.
@@ -42,6 +69,8 @@ Status ConfigManager::FromJson(const nlohmann::json &j) {
   set_op_connector_size(j.value("opConnectorSize", op_connector_size_));
   set_seed(j.value("seed", seed_));
   set_monitor_sampling_interval(j.value("monitorSamplingInterval", monitor_sampling_interval_));
+  set_cache_host(j.value("cacheHost", cache_host_));
+  set_cache_port(j.value("cachePort", cache_port_));
   return Status::OK();
 }
 
@@ -91,5 +120,8 @@ void ConfigManager::set_monitor_sampling_interval(uint32_t interval) { monitor_s
 
 void ConfigManager::set_callback_timeout(uint32_t timeout) { callback_timout_ = timeout; }
 
+void ConfigManager::set_cache_host(std::string cache_host) { cache_host_ = cache_host; }
+
+void ConfigManager::set_cache_port(int32_t cache_port) { cache_port_ = cache_port; }
 }  // namespace dataset
 }  // namespace mindspore

mindspore/ccsrc/minddata/dataset/core/config_manager.h

@@ -41,7 +41,7 @@ namespace dataset {
 // those values.
 class ConfigManager {
  public:
-  ConfigManager() = default;
+  ConfigManager();
 
   // destructor
   ~ConfigManager() = default;
@@ -89,6 +89,14 @@ class ConfigManager {
   // @return The internal worker-to-master connector queue size
   int32_t worker_connector_size() const { return worker_connector_size_; }
 
+  // getter function
+  // @return The hostname of cache server
+  std::string cache_host() const { return cache_host_; }
+
+  // getter function
+  // @return The port of cache server
+  int32_t cache_port() const { return cache_port_; }
+
   // setter function
   // @param rows_per_buffer - The setting to apply to the config
   void set_rows_per_buffer(int32_t rows_per_buffer);
@@ -105,6 +113,14 @@ class ConfigManager {
   // @param connector_size - The setting to apply to the config
   void set_op_connector_size(int32_t connector_size);
 
+  // setter function
+  // @param cache_host - The hostname of cache server
+  void set_cache_host(std::string cache_host);
+
+  // setter function
+  // @param cache_port - The port of cache server
+  void set_cache_port(int32_t cache_port);
+
   uint32_t seed() const;
 
   // setter function
@@ -128,13 +144,15 @@ class ConfigManager {
   int32_t callback_timeout() const { return callback_timout_; }
 
  private:
-  int32_t rows_per_buffer_{kCfgRowsPerBuffer};
-  int32_t num_parallel_workers_{kCfgParallelWorkers};
-  int32_t worker_connector_size_{kCfgWorkerConnectorSize};
-  int32_t op_connector_size_{kCfgOpConnectorSize};
-  uint32_t seed_{kCfgDefaultSeed};
-  uint32_t monitor_sampling_interval_{kCfgMonitorSamplingInterval};
-  uint32_t callback_timout_{kCfgCallbackTimeout};
+  int32_t rows_per_buffer_;
+  int32_t num_parallel_workers_;
+  int32_t worker_connector_size_;
+  int32_t op_connector_size_;
+  uint32_t seed_;
+  uint32_t monitor_sampling_interval_;
+  uint32_t callback_timout_;
+  std::string cache_host_;
+  int32_t cache_port_;
 
   // Private helper function that takes a nlohmann json format and populates the settings
   // @param j - The json nlohmann json info

mindspore/ccsrc/minddata/dataset/core/constants.h

@@ -69,6 +69,8 @@ constexpr uint32_t kCfgOpConnectorSize = 16;
 constexpr uint32_t kCfgDefaultSeed = std::mt19937::default_seed;
 constexpr uint32_t kCfgMonitorSamplingInterval = 10;
 constexpr uint32_t kCfgCallbackTimeout = 60;  // timeout value for callback in seconds
+constexpr int32_t kCfgDefaultCachePort = 50052;
+constexpr char kCfgDefaultCacheHost[] = "127.0.0.1";
 
 // Invalid OpenCV type should not be from 0 to 7 (opencv4/opencv2/core/hal/interface.h)
 constexpr uint8_t kCVInvalidType = 255;

mindspore/ccsrc/minddata/dataset/engine/cache/cache_admin_arg.cc

@@ -25,21 +25,21 @@
 #include "minddata/dataset/engine/cache/cache_request.h"
 #include "minddata/dataset/engine/cache/cache_client.h"
 #include "minddata/dataset/util/path.h"
+#include "minddata/dataset/core/constants.h"
 
 namespace mindspore {
 namespace dataset {
 
-const char CacheAdminArgHandler::kDefaultHost[] = "127.0.0.1";
 const char CacheAdminArgHandler::kServerBinary[] = "cache_server";
 const char CacheAdminArgHandler::kDefaultSpillDir[] = "/tmp";
 
 CacheAdminArgHandler::CacheAdminArgHandler()
-    : port_(kDefaultPort),
+    : port_(kCfgDefaultCachePort),
       session_id_(0),
       num_workers_(kDefaultNumWorkers),
       shm_mem_sz_(kDefaultSharedMemorySizeInGB),
       log_level_(kDefaultLogLevel),
-      hostname_(kDefaultHost),
+      hostname_(kCfgDefaultCacheHost),
       spill_dir_(kDefaultSpillDir),
       command_id_(CommandId::kCmdUnknown) {
   // Initialize the command mappings
@@ -376,6 +376,8 @@ Status CacheAdminArgHandler::StopServer() {
   RETURN_IF_NOT_OK(comm.ServiceStart());
   auto rq = std::make_shared<ShutdownRequest>();
   RETURN_IF_NOT_OK(comm.HandleRequest(rq));
+  // We will ignore the rc because if the shutdown is successful, the server will not reply back.
+  (void)rq->Wait();
   return Status::OK();
 }
 

mindspore/ccsrc/minddata/dataset/engine/cache/cache_admin_arg.h

@@ -29,11 +29,9 @@ namespace dataset {
 
 class CacheAdminArgHandler {
  public:
-  static constexpr int32_t kDefaultPort = 50052;
   static constexpr int32_t kDefaultNumWorkers = 32;
   static constexpr int32_t kDefaultSharedMemorySizeInGB = 4;
   static constexpr int32_t kDefaultLogLevel = 1;
-  static const char kDefaultHost[];
   static const char kServerBinary[];
   static const char kDefaultSpillDir[];
 

mindspore/ccsrc/minddata/dataset/engine/cache/cache_client.cc

@@ -23,6 +23,35 @@
 
 namespace mindspore {
 namespace dataset {
+CacheClient::Builder::Builder()
+    : session_id_(0), cache_mem_sz_(0), spill_(false), hostname_(""), port_(0), num_workers_(0), prefetch_size_(0) {
+  std::shared_ptr<ConfigManager> cfg = GlobalContext::config_manager();
+  hostname_ = cfg->cache_host();
+  port_ = cfg->cache_port();
+  num_workers_ = cfg->num_parallel_workers();
+  prefetch_size_ = 20;  // rows_per_buf is too small (1 by default).
+}
+
+Status CacheClient::Builder::Build(std::shared_ptr<CacheClient> *out) {
+  RETURN_UNEXPECTED_IF_NULL(out);
+  RETURN_IF_NOT_OK(SanityCheck());
+  *out =
+    std::make_shared<CacheClient>(session_id_, cache_mem_sz_, spill_, hostname_, port_, num_workers_, prefetch_size_);
+  return Status::OK();
+}
+
+Status CacheClient::Builder::SanityCheck() {
+  CHECK_FAIL_RETURN_UNEXPECTED(session_id_ > 0, "session id must be positive");
+  CHECK_FAIL_RETURN_UNEXPECTED(cache_mem_sz_ >= 0, "cache memory size must not be negative. (0 implies unlimited");
+  CHECK_FAIL_RETURN_UNEXPECTED(num_workers_ > 0, "rpc workers must be positive");
+  CHECK_FAIL_RETURN_UNEXPECTED(prefetch_size_ > 0, "prefetch size must be positive");
+  CHECK_FAIL_RETURN_UNEXPECTED(!hostname_.empty(), "hostname must not be empty");
+  CHECK_FAIL_RETURN_UNEXPECTED(port_ > 0, "port must be positive");
+  CHECK_FAIL_RETURN_UNEXPECTED(port_ <= 65535, "illegal port number");
+  CHECK_FAIL_RETURN_UNEXPECTED(hostname_ == "127.0.0.1",
+                               "now cache client has to be on the same host with cache server");
+  return Status::OK();
+}
 
 // Constructor
 CacheClient::CacheClient(session_id_type session_id, uint64_t cache_mem_sz, bool spill, std::string hostname,

mindspore/ccsrc/minddata/dataset/engine/cache/cache_client.h

@@ -44,13 +44,7 @@ class CacheClient {
   /// \brief A builder to help creating a CacheClient object
   class Builder {
    public:
-    Builder() : session_id_(0), cache_mem_sz_(0), spill_(false), port_(0), num_workers_(0), prefetch_size_(0) {
-      std::shared_ptr<ConfigManager> cfg = GlobalContext::config_manager();
-      hostname_ = "127.0.0.1";
-      port_ = 50052;
-      num_workers_ = cfg->num_parallel_workers();
-      prefetch_size_ = 20;  // rows_per_buf is too small (1 by default).
-    }
+    Builder();
 
     ~Builder() = default;
 
@@ -119,22 +113,9 @@ class CacheClient {
     int32_t getNumWorkers() const { return num_workers_; }
     int32_t getPrefetchSize() const { return prefetch_size_; }
 
-    Status SanityCheck() {
-      CHECK_FAIL_RETURN_UNEXPECTED(session_id_ > 0, "session id must be positive");
-      CHECK_FAIL_RETURN_UNEXPECTED(cache_mem_sz_ >= 0, "cache memory size must not be negative. (0 implies unlimited");
-      CHECK_FAIL_RETURN_UNEXPECTED(num_workers_ > 0, "rpc workers must be positive");
-      CHECK_FAIL_RETURN_UNEXPECTED(prefetch_size_ > 0, "prefetch size must be positive");
-      CHECK_FAIL_RETURN_UNEXPECTED(!hostname_.empty(), "hostname must not be empty");
-      return Status::OK();
-    }
+    Status SanityCheck();
 
-    Status Build(std::shared_ptr<CacheClient> *out) {
-      RETURN_UNEXPECTED_IF_NULL(out);
-      RETURN_IF_NOT_OK(SanityCheck());
-      *out = std::make_shared<CacheClient>(session_id_, cache_mem_sz_, spill_, hostname_, port_, num_workers_,
-                                           prefetch_size_);
-      return Status::OK();
-    }
+    Status Build(std::shared_ptr<CacheClient> *out);
 
    private:
     session_id_type session_id_;

mindspore/dataset/engine/cache_client.py

@@ -20,24 +20,25 @@ from mindspore._c_dataengine import CacheClient
 
 from ..core.validator_helpers import type_check, check_uint32, check_uint64
 
+
 class DatasetCache:
     """
     A client to interface with tensor caching service
     """
 
-    def __init__(self, session_id=None, size=0, spilling=False, port=50052, prefetch_size=20):
+    def __init__(self, session_id=None, size=0, spilling=False, hostname=None, port=None, prefetch_size=20):
         check_uint32(session_id, "session_id")
         check_uint64(size, "size")
         type_check(spilling, (bool,), "spilling")
-        check_uint32(port, "port")
         check_uint32(prefetch_size, "prefetch size")
 
         self.session_id = session_id
         self.size = size
         self.spilling = spilling
+        self.hostname = hostname
         self.port = port
         self.prefetch_size = prefetch_size
-        self.cache_client = CacheClient(session_id, size, spilling, port, prefetch_size)
+        self.cache_client = CacheClient(session_id, size, spilling, hostname, port, prefetch_size)
 
     def GetStat(self):
         return self.cache_client.GetStat()
@@ -51,6 +52,7 @@ class DatasetCache:
         new_cache.session_id = copy.deepcopy(self.session_id, memodict)
         new_cache.spilling = copy.deepcopy(self.spilling, memodict)
         new_cache.size = copy.deepcopy(self.size, memodict)
+        new_cache.hostname = copy.deepcopy(self.hostname, memodict)
         new_cache.port = copy.deepcopy(self.port, memodict)
         new_cache.prefetch_size = copy.deepcopy(self.prefetch_size, memodict)
         new_cache.cache_client = self.cache_client