From 013a2c05e80e99b27a290ab74cc3ff78f543b630 Mon Sep 17 00:00:00 2001
From: Sebastian Gode <sebastian.gode@telekom.de>
Date: Mon, 28 Jun 2021 12:50:01 +0000
Subject: [PATCH] Filter for instance id in statistics

---
 .../modules/dcs_instance_statistics_info.py   | 27 +++++++++++++++++--
 1 file changed, 25 insertions(+), 2 deletions(-)

diff --git a/plugins/modules/dcs_instance_statistics_info.py b/plugins/modules/dcs_instance_statistics_info.py
index 630ce600..bfc26f8f 100644
--- a/plugins/modules/dcs_instance_statistics_info.py
+++ b/plugins/modules/dcs_instance_statistics_info.py
@@ -19,6 +19,12 @@
 author: "Sebastian Gode (@SebastianGode)"
 description:
   - Get Instance Statistics
+options:
+  instance_id:
+    description:
+      - Instance ID to filter results for that instance
+    type: str
+    required: false
 requirements: ["openstacksdk", "otcextensions"]
 '''
 
@@ -47,8 +53,12 @@
 '''
 
 EXAMPLES = '''
-# Query statistics
+# Query statistics about all instances
 - opentelekomcloud.cloud.dcs_instance_statistics_info:
+
+# Query statistics about a specific instance
+- opentelekomcloud.cloud.dcs_instance_statistics_info:
+        instance_id: "12345678-b17b-434d-b6a1-4cc5abb1f2ca"
 '''
 
 from ansible_collections.opentelekomcloud.cloud.plugins.module_utils.otc import OTCModule
@@ -56,6 +66,7 @@
 
 class DcsInstanceStatisticsInfoModule(OTCModule):
     argument_spec = dict(
+        instance_id=dict(required=False)
     )
     module_kwargs = dict(
         supports_check_mode=True
@@ -63,15 +74,27 @@ class DcsInstanceStatisticsInfoModule(OTCModule):
 
     def run(self):
         data = []
+        final_data = []
 
         for raw in self.conn.dcs.statistics():
             dt = raw.to_dict()
             dt.pop('location')
             data.append(dt)
 
+        i = 0
+        while i < len(data):
+            if self.params['instance_id']:
+                if data[i]['instance_id'] == self.params['instance_id']:
+                    final_data = data[i]
+                    break
+            else:
+                final_data = data
+                break
+            i = i + 1
+
         self.exit(
             changed=False,
-            instances=data
+            instances=final_data
         )