From 5f3f737b3a759f8901a7714a4ea2a185b20ddce5 Mon Sep 17 00:00:00 2001 From: andersonid Date: Tue, 30 Sep 2025 18:06:10 -0300 Subject: [PATCH] Add simulated data fallback for historical analysis when Prometheus is not accessible --- app/api/routes.py | 94 ++++++++++++++++++++++++++++++------------- app/static/index.html | 7 +++- 2 files changed, 72 insertions(+), 29 deletions(-) diff --git a/app/api/routes.py b/app/api/routes.py index 300ac7e..b2026dc 100644 --- a/app/api/routes.py +++ b/app/api/routes.py @@ -526,15 +526,18 @@ async def get_workload_historical_metrics( cluster_cpu_data = await prometheus_client.query(cluster_cpu_query) cluster_memory_data = await prometheus_client.query(cluster_memory_query) - # Extract values - cpu_usage = 0 - memory_usage = 0 - cpu_requests = 0 - memory_requests = 0 - cpu_limits = 0 - memory_limits = 0 - cluster_cpu_total = 0 - cluster_memory_total = 0 + # Extract values + cpu_usage = 0 + memory_usage = 0 + cpu_requests = 0 + memory_requests = 0 + cpu_limits = 0 + memory_limits = 0 + cluster_cpu_total = 0 + cluster_memory_total = 0 + + # Check if we got any data from Prometheus + prometheus_available = False if cpu_usage_data.get("status") == "success" and cpu_usage_data.get("data", {}).get("result"): cpu_usage = float(cpu_usage_data["data"]["result"][0]["value"][1]) @@ -557,26 +560,61 @@ async def get_workload_historical_metrics( if cluster_cpu_data.get("status") == "success" and cluster_cpu_data.get("data", {}).get("result"): cluster_cpu_total = float(cluster_cpu_data["data"]["result"][0]["value"][1]) - if cluster_memory_data.get("status") == "success" and cluster_memory_data.get("data", {}).get("result"): - cluster_memory_total = float(cluster_memory_data["data"]["result"][0]["value"][1]) + if cluster_memory_data.get("status") == "success" and cluster_memory_data.get("data", {}).get("result"): + cluster_memory_total = float(cluster_memory_data["data"]["result"][0]["value"][1]) + + # Check if Prometheus is available (any non-zero values) + if cluster_cpu_total > 0 or cluster_memory_total > 0: + prometheus_available = True + + # If Prometheus is not available, provide simulated data for demonstration + if not prometheus_available: + # Simulate cluster resources (typical OpenShift cluster) + cluster_cpu_total = 24.0 # 6 nodes * 4 cores each + cluster_memory_total = 96.0 * (1024**3) # 6 nodes * 16GB each + + # Simulate workload metrics based on namespace + if namespace == "resource-governance": + cpu_usage = 0.05 + memory_usage = 128 * (1024**2) # 128MB + cpu_requests = 0.1 + memory_requests = 128 * (1024**2) + cpu_limits = 0.5 + memory_limits = 512 * (1024**2) + elif namespace == "shishika01": + cpu_usage = 0.15 + memory_usage = 256 * (1024**2) # 256MB + cpu_requests = 0.2 + memory_requests = 256 * (1024**2) + cpu_limits = 1.0 + memory_limits = 1024 * (1024**2) + else: + cpu_usage = 0.08 + memory_usage = 192 * (1024**2) # 192MB + cpu_requests = 0.15 + memory_requests = 192 * (1024**2) + cpu_limits = 0.8 + memory_limits = 768 * (1024**2) + + # Calculate percentages + cpu_usage_percent = (cpu_usage / cluster_cpu_total * 100) if cluster_cpu_total > 0 else 0 + memory_usage_percent = (memory_usage / cluster_memory_total * 100) if cluster_memory_total > 0 else 0 + cpu_requests_percent = (cpu_requests / cluster_cpu_total * 100) if cluster_cpu_total > 0 else 0 + memory_requests_percent = (memory_requests / cluster_memory_total * 100) if cluster_memory_total > 0 else 0 + cpu_limits_percent = (cpu_limits / cluster_cpu_total * 100) if cluster_cpu_total > 0 else 0 + memory_limits_percent = (memory_limits / cluster_memory_total * 100) if cluster_memory_total > 0 else 0 - # Calculate percentages - cpu_usage_percent = (cpu_usage / cluster_cpu_total * 100) if cluster_cpu_total > 0 else 0 - memory_usage_percent = (memory_usage / cluster_memory_total * 100) if cluster_memory_total > 0 else 0 - cpu_requests_percent = (cpu_requests / cluster_cpu_total * 100) if cluster_cpu_total > 0 else 0 - memory_requests_percent = (memory_requests / cluster_memory_total * 100) if cluster_memory_total > 0 else 0 - cpu_limits_percent = (cpu_limits / cluster_cpu_total * 100) if cluster_cpu_total > 0 else 0 - memory_limits_percent = (memory_limits / cluster_memory_total * 100) if cluster_memory_total > 0 else 0 - - return { - "workload": workload, - "namespace": namespace, - "time_range": time_range, - "cluster_total": { - "cpu_cores": cluster_cpu_total, - "memory_bytes": cluster_memory_total, - "memory_gb": cluster_memory_total / (1024**3) - }, + return { + "workload": workload, + "namespace": namespace, + "time_range": time_range, + "prometheus_available": prometheus_available, + "data_source": "simulated" if not prometheus_available else "prometheus", + "cluster_total": { + "cpu_cores": cluster_cpu_total, + "memory_bytes": cluster_memory_total, + "memory_gb": cluster_memory_total / (1024**3) + }, "workload_metrics": { "cpu": { "usage_cores": cpu_usage, diff --git a/app/static/index.html b/app/static/index.html index ecfd914..95bae78 100644 --- a/app/static/index.html +++ b/app/static/index.html @@ -1556,8 +1556,13 @@ const clusterTotalDiv = document.getElementById('clusterTotal'); const workloadDataDiv = document.getElementById('workloadData'); + // Add data source indicator + const dataSourceIndicator = data.data_source === 'simulated' ? + '
📊 Demo Mode: Showing simulated data for demonstration. Prometheus integration requires proper RBAC configuration.
' : + '
✅ Live Data: Real metrics from Prometheus
'; + // Render cluster total resources - clusterTotalDiv.innerHTML = ` + clusterTotalDiv.innerHTML = dataSourceIndicator + `

CPU Total