generate trigger as per the event

.drone.star

@@ -61,13 +61,15 @@ config = {
             ],
             "skip": False,
             "earlyFail": True,
+            "cron": "nightly",
         },
         "apiWebdav": {
             "suites": [
                 "apiWebdavOperations",
             ],
             "skip": False,
             "earlyFail": True,
+            "cron": "nightly",
         },
     },
     "rocketchat": {
@@ -1937,23 +1939,23 @@ def parallelDeployAcceptancePipeline(ctx):
         "filterTags": "~@skip",
     }
 
-    for category, matrix in config["parallelApiTests"].items():
-        if "skip" in matrix and matrix["skip"]:
+    for category, params in config["parallelApiTests"].items():
+        if "skip" in params and params["skip"]:
             return pipelines
 
-        early_fail = matrix["earlyFail"] if "earlyFail" in matrix else False
+        early_fail = params["earlyFail"] if "earlyFail" in params else False
 
-        if type(matrix["suites"]) == "list":
+        if type(params["suites"]) == "list":
             suites = {}
-            for suite in matrix["suites"]:
+            for suite in params["suites"]:
                 suites[suite] = suite
         else:
-            suites = matrix["suites"]
+            suites = params["suites"]
 
         for suite, suiteName in suites.items():
             params = {}
             for item in default:
-                params[item] = matrix[item] if item in matrix else default[item]
+                params[item] = params[item] if item in params else default[item]
 
             environment = {}
             environment["BEHAT_FILTER_TAGS"] = params["filterTags"]
@@ -1989,15 +1991,18 @@ def parallelDeployAcceptancePipeline(ctx):
                     pipeOCISConfigVol,
                     pipelineVolumeOC10Tests,
                 ],
-                "trigger": {
-                    "ref": [
-                        "refs/heads/master",
-                        "refs/tags/v*",
-                        "refs/pull/**",
-                    ],
-                    # "cron": "nightly",
-                },
+                "trigger": {},
             }
+
+            if (ctx.build.event == "cron"):
+                pipeline["trigger"]["cron"] = params["cron"] if "cron" in params and params["cron"] != "" else "nightly"
+            else:
+                pipeline["trigger"]["ref"] = [
+                    "refs/heads/master",
+                    "refs/tags/v*",
+                    "refs/pull/**",
+                ]
+
             pipelines.append(pipeline)
 
     return pipelines