more code

src/dnode/CMakeLists.txt

@@ -36,6 +36,10 @@ IF (TD_LINUX)
     TARGET_LINK_LIBRARIES(taosd balance sync)
   ENDIF ()
 
+  IF (TD_DNODE_PLUGINS)
+    TARGET_LINK_LIBRARIES(taosd dnodePlugins)
+  ENDIF()
+
   SET(PREPARE_ENV_CMD "prepare_env_cmd")
   SET(PREPARE_ENV_TARGET "prepare_env_target")
   ADD_CUSTOM_COMMAND(OUTPUT ${PREPARE_ENV_CMD}

src/dnode/src/dnodeMain.c

@@ -170,6 +170,17 @@ static void dnodeCheckDataDirOpenned(char *dir) {
 }
 
 static int32_t dnodeInitStorage() {
+  pDnodeTier = dnodeNewTier();
+  if (pDnodeTier == NULL) {
+    dError("failed to create new dnode tier since %s", tstrerror(terrno));
+    return -1;
+  }
+
+  if (dnodeAddDisks(pDnodeTier, NULL, 0) < 0) {
+    dError("failed to add disks to dnode tier since %s", tstrerror(terrno));
+    return -1;
+  }
+
   if (dnodeCreateDir(tsDataDir) < 0) {
    dError("failed to create dir: %s, reason: %s", tsDataDir, strerror(errno));
    return -1;
@@ -204,7 +215,12 @@ static int32_t dnodeInitStorage() {
   return 0;
 }
 
-static void dnodeCleanupStorage() {}
+static void dnodeCleanupStorage() {
+  if (pDnodeTier) {
+    dnodeCloseTier(pDnodeTier);
+    pDnodeTier = NULL;
+  }
+}
 
 bool  dnodeIsFirstDeploy() {
   return strcmp(tsFirst, tsLocalEp) == 0;

src/dnode/src/dnodeTier.c

@@ -20,7 +20,7 @@
 
 SDnodeTier *dnodeNewTier() { return NULL; }
 void *      dnodeCloseTier(SDnodeTier *pDnodeTier) { return NULL; }
-int         dnodeAddDisks(SDnodeTier *pDnodeTier, SDiskCfg *pDiskCfgs, int ndisks);
+int         dnodeAddDisks(SDnodeTier *pDnodeTier, SDiskCfg *pDiskCfgs, int ndisks) { return 0; }
 int         dnodeUpdateTiersInfo(SDnodeTier *pDnodeTier) { return 0; }
 int         dnodeCheckTiers(SDnodeTier *pDnodeTier) { return 0; }
 SDisk *     dnodeAssignDisk(SDnodeTier *pDnodeTier, int level) { return NULL; }

src/inc/taoserror.h

@@ -187,6 +187,8 @@ TAOS_DEFINE_ERROR(TSDB_CODE_DND_DISK_ALREADY_EXISTS,      0, 0x0406, "Disk alrea
 TAOS_DEFINE_ERROR(TSDB_CODE_DND_DISK_NOT_DIRECTORY,       0, 0x0407, "Disk is not a directory")
 TAOS_DEFINE_ERROR(TSDB_CODE_DND_NO_DISK_SPACE,            0, 0x0408, "Dnode no disk space")
 TAOS_DEFINE_ERROR(TSDB_CODE_DND_DUPLICATE_PRIMARY_DISK,   0, 0x0409, "Duplicate primary disk")
+TAOS_DEFINE_ERROR(TSDB_CODE_DND_LACK_PRIMARY_DISK,        0, 0x040A, "Lack primary disk")
+TAOS_DEFINE_ERROR(TSDB_CODE_DND_NO_DISK_AT_TIER,          0, 0x040B, "No disk at tier")
 
 // vnode 
 TAOS_DEFINE_ERROR(TSDB_CODE_VND_ACTION_IN_PROGRESS,       0, 0x0500, "Action in progress")