enh: support taosd -u

src/dnode/src/dnodeSystem.c

@@ -27,6 +27,7 @@ static void   sigintHandler(int32_t signum, void *sigInfo, void *context);
 
 int32_t main(int32_t argc, char *argv[]) {
   int dump_config = 0;
+  int dump_cluster = 0;
 
   // Set global configuration file
   for (int32_t i = 1; i < argc; ++i) {
@@ -61,8 +62,10 @@ int32_t main(int32_t argc, char *argv[]) {
       printf("buildinfo: %s\n", buildinfo);
       exit(EXIT_SUCCESS);
     } else if (strcmp(argv[i], "-k") == 0) {
-      grantParseParameter();
+      grantParseParameter(argv[i]);
       exit(EXIT_SUCCESS);
+    } else if (strcmp(argv[i], "-u") == 0) {
+      dump_cluster = 1;
     } else if (strcmp(argv[i], "-A") == 0) {
       tsPrintAuth = 1;
     }
@@ -115,6 +118,13 @@ int32_t main(int32_t argc, char *argv[]) {
     exit(EXIT_SUCCESS);
   }
 
+  if (0 != dump_cluster) {
+    taosInitGlobalCfg();
+    taosReadGlobalCfg();
+    grantParseParameter("-u");
+    exit(EXIT_SUCCESS);
+  }
+
   if (tsem_init(&exitSem, 0, 0) != 0) {
     printf("failed to create exit semphore\n");
     exit(EXIT_FAILURE);

src/inc/tgrant.h

@@ -38,7 +38,7 @@ typedef enum {
 
 int32_t grantInit();
 void    grantCleanUp();
-void    grantParseParameter();
+void    grantParseParameter(const char* param);
 int32_t grantCheck(EGrantType grant);
 void    grantReset(EGrantType grant, uint64_t value);
 void    grantAdd(EGrantType grant, uint64_t value);

src/mnode/src/mnodeGrant.c

@@ -22,7 +22,7 @@
 
 int32_t grantInit() { return TSDB_CODE_SUCCESS; }
 void    grantCleanUp() {}
-void    grantParseParameter() { mError("can't parsed parameter k"); }
+void    grantParseParameter(const char* param) { mError("can't parse parameter %s", param); }
 int32_t grantCheck(EGrantType grant) { return TSDB_CODE_SUCCESS; }
 void    grantReset(EGrantType grant, uint64_t value) {}
 void    grantAdd(EGrantType grant, uint64_t value) {}