PEL: Rename function that gets RO data path

It was just named after the message registry path, but soon other files
will be in that same directory so make it more generic.

Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Change-Id: I91117d685aec43f26b9fc6baa2955de3d1affde4
diff --git a/extensions/openpower-pels/manager.hpp b/extensions/openpower-pels/manager.hpp
index 1aa15ed..d58b36b 100644
--- a/extensions/openpower-pels/manager.hpp
+++ b/extensions/openpower-pels/manager.hpp
@@ -51,7 +51,7 @@
         PELInterface(logManager.getBus(), OBJ_LOGGING),
         _logManager(logManager), _eventLogger(std::move(creatorFunc)),
         _repo(getPELRepoPath()),
-        _registry(getMessageRegistryPath() / message::registryFileName),
+        _registry(getPELReadOnlyDataPath() / message::registryFileName),
         _dataIface(std::move(dataIface))
     {
     }
diff --git a/extensions/openpower-pels/paths.cpp b/extensions/openpower-pels/paths.cpp
index cf8df2e..a9e865c 100644
--- a/extensions/openpower-pels/paths.cpp
+++ b/extensions/openpower-pels/paths.cpp
@@ -40,7 +40,7 @@
     return repoPath;
 }
 
-fs::path getMessageRegistryPath()
+fs::path getPELReadOnlyDataPath()
 {
     return std::filesystem::path{"/usr/share/phosphor-logging/pels"};
 }
diff --git a/extensions/openpower-pels/paths.hpp b/extensions/openpower-pels/paths.hpp
index 91d8c5f..8d7a20f 100644
--- a/extensions/openpower-pels/paths.hpp
+++ b/extensions/openpower-pels/paths.hpp
@@ -17,8 +17,8 @@
 std::filesystem::path getPELRepoPath();
 
 /**
- * @brief Returns the path to the message registry JSON file
+ * @brief Returns the path to the read only data directory
  */
-std::filesystem::path getMessageRegistryPath();
+std::filesystem::path getPELReadOnlyDataPath();
 } // namespace pels
 } // namespace openpower
diff --git a/extensions/openpower-pels/tools/peltool.cpp b/extensions/openpower-pels/tools/peltool.cpp
index 1be5953..3abdc74 100644
--- a/extensions/openpower-pels/tools/peltool.cpp
+++ b/extensions/openpower-pels/tools/peltool.cpp
@@ -40,7 +40,7 @@
 namespace pv = openpower::pels::pel_values;
 
 using PELFunc = std::function<void(const PEL&)>;
-message::Registry registry(getMessageRegistryPath() / message::registryFileName,
+message::Registry registry(getPELReadOnlyDataPath() / message::registryFileName,
                            false);
 namespace service
 {
diff --git a/test/openpower-pels/paths.cpp b/test/openpower-pels/paths.cpp
index 254d2d0..6ada712 100644
--- a/test/openpower-pels/paths.cpp
+++ b/test/openpower-pels/paths.cpp
@@ -50,17 +50,17 @@
     return repoPath;
 }
 
-std::filesystem::path getMessageRegistryPath()
+std::filesystem::path getPELReadOnlyDataPath()
 {
-    static std::string registryPath;
+    static std::string dataPath;
 
-    if (registryPath.empty())
+    if (dataPath.empty())
     {
-        char templ[] = "/tmp/msgregtestXXXXXX";
-        registryPath = mkdtemp(templ);
+        char templ[] = "/tmp/pelrodatatestXXXXXX";
+        dataPath = mkdtemp(templ);
     }
 
-    return registryPath;
+    return dataPath;
 }
 
 } // namespace pels
diff --git a/test/openpower-pels/pel_manager_test.cpp b/test/openpower-pels/pel_manager_test.cpp
index 00427c2..92713e9 100644
--- a/test/openpower-pels/pel_manager_test.cpp
+++ b/test/openpower-pels/pel_manager_test.cpp
@@ -208,7 +208,7 @@
 }
 )";
 
-    auto path = getMessageRegistryPath();
+    auto path = getPELReadOnlyDataPath();
     fs::create_directories(path);
     path /= "message_registry.json";
 
diff --git a/test/openpower-pels/pel_utils.hpp b/test/openpower-pels/pel_utils.hpp
index fae62cd..fb7662e 100644
--- a/test/openpower-pels/pel_utils.hpp
+++ b/test/openpower-pels/pel_utils.hpp
@@ -33,7 +33,7 @@
     {
         pelIDFile = openpower::pels::getPELIDFile();
         repoPath = openpower::pels::getPELRepoPath();
-        registryPath = openpower::pels::getMessageRegistryPath();
+        registryPath = openpower::pels::getPELReadOnlyDataPath();
     }
 
     void TearDown() override