- Moved api-related functions to sepate modules

- Now config file has to be placed in the same directory as main.py
- Checks for config file (if exist / if empty)

cluster_api.py

@@ -1,3 +1,26 @@
 
 #from main import base_url , api_key , requests
+import requests
 
+def cluster_info(base_url , api_key): #output short clusters overview 
+    url= f"http://{base_url}/api/clusters"
+    response = requests.get(url , headers={'Authorization' : api_key})
+   
+    if response.status_code == 200:
+        cluster_info = response.json()
+        results_cluster_info = cluster_info['results']
+
+        print("\nShort clusters overview:")
+        print(f"\nClusters total: {cluster_info['count']}")
+        print("-" * 51)         
+        for x in results_cluster_info:
+
+            print(f"\nCluster Name: {x['verbose_name']}  ({x['status']})")
+            print(f"Nodes: {x['nodes_count']}")
+            print(f"Total CPU: {x['cpu_count']} Cores || CPU Usage: {round(x['cpu_used_percent_user'] , 2)}%")#output is rounded by 2
+            print(f"Total RAM: {int(x['memory_count']/1024)}GB    || RAM Usage: {round(x['mem_used_percent_user'] , 2)}%") #RAM pretty output = mb-to-gb + set 'int' to remove .0
+            
+            print("-" * 51) 
+        
+    else:
+        print(f"Failed to retrieve data {response.status_code}")