Fixed multi-value nested templating for opentsdb

public/app/features/templating/specs/template_srv_specs.ts

@@ -145,6 +145,11 @@ describe('templateSrv', function() {
       expect(result).to.be('test|test2');
     });
 
+    it('multi value and distributed should render distributed string', function() {
+      var result = _templateSrv.formatValue(['test','test2'], 'distributed', { name: 'build' });
+      expect(result).to.be('test,build=test2');
+    });
+
     it('slash should be properly escaped in regex format', function() {
       var result = _templateSrv.formatValue('Gi3/14', 'regex');
       expect(result).to.be('Gi3\\/14');

public/app/features/templating/templateSrv.js

@@ -95,6 +95,9 @@ function (angular, _, kbn) {
           }
           return value.join('|');
         }
+        case "distributed": {
+          return this.distributeVariable(value, variable.name);
+        }
         default:  {
           if (typeof value === 'string') {
             return value;
@@ -210,6 +213,17 @@ function (angular, _, kbn) {
       });
     };
 
+    this.distributeVariable = function(value, variable) {
+      value = _.map(value, function(val, index) {
+        if (index !== 0) {
+          return variable + "=" + val;
+        } else {
+          return val;
+        }
+      });
+      return value.join(',');
+    };
+
   });
 
 });

public/app/plugins/datasource/opentsdb/datasource.js

@@ -244,7 +244,7 @@ function (angular, _, dateMath) {
 
       var interpolated;
       try {
-        interpolated = templateSrv.replace(query);
+        interpolated = templateSrv.replace(query, {}, "distributed");
       }
       catch (err) {
         return $q.reject(err);