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feat: capture Proxmox memory snapshots in diagnostics

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rcourtman 2025-10-12 10:25:43 +00:00
parent f46ff1792b
commit a74baed121
9 changed files with 882 additions and 58 deletions
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41
internal/monitoring/monitor_optimized.go
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@ -131,6 +131,13 @@ func (m *Monitor) pollVMsWithNodesOptimized(ctx context.Context, instanceName st
guestID = fmt.Sprintf("%s-%s-%d", instanceName, n.Node, vm.VMID)
}
guestRaw := VMMemoryRaw{
ListingMem: vm.Mem,
ListingMaxMem: vm.MaxMem,
Agent: vm.Agent,
}
memorySource := "listing-mem"
// Initialize metrics from VM listing (may be 0 for disk I/O)
diskReadBytes := int64(vm.DiskRead)
diskWriteBytes := int64(vm.DiskWrite)
@ -150,13 +157,27 @@ func (m *Monitor) pollVMsWithNodesOptimized(ctx context.Context, instanceName st
statusCtx, cancel := context.WithTimeout(ctx, 2*time.Second)
if status, err := client.GetVMStatus(statusCtx, n.Node, vm.VMID); err == nil {
vmStatus = status
guestRaw.StatusMaxMem = status.MaxMem
guestRaw.StatusMem = status.Mem
guestRaw.StatusFreeMem = status.FreeMem
guestRaw.Balloon = status.Balloon
guestRaw.BalloonMin = status.BalloonMin
guestRaw.Agent = status.Agent
if status.MemInfo != nil {
guestRaw.MemInfoUsed = status.MemInfo.Used
guestRaw.MemInfoFree = status.MemInfo.Free
guestRaw.MemInfoTotal = status.MemInfo.Total
}
if vmStatus.Balloon > 0 && vmStatus.Balloon < vmStatus.MaxMem {
memTotal = vmStatus.Balloon
guestRaw.DerivedFromBall = true
}
if vmStatus.FreeMem > 0 {
memUsed = memTotal - vmStatus.FreeMem
memorySource = "status-freemem"
} else if vmStatus.Mem > 0 {
memUsed = vmStatus.Mem
memorySource = "status-mem"
}
// Use actual disk I/O values from detailed status
diskReadBytes = int64(vmStatus.DiskRead)
@ -167,6 +188,12 @@ func (m *Monitor) pollVMsWithNodesOptimized(ctx context.Context, instanceName st
cancel()
}
if vm.Status != "running" {
memorySource = "powered-off"
} else if vmStatus == nil {
memorySource = "status-unavailable"
}
if vm.Status == "running" && vmStatus != nil {
guestIPs, guestIfaces, guestOSName, guestOSVersion := fetchGuestAgentMetadata(ctx, client, instanceName, n.Node, vm.Name, vm.VMID, vmStatus)
if len(guestIPs) > 0 {
@ -184,12 +211,13 @@ func (m *Monitor) pollVMsWithNodesOptimized(ctx context.Context, instanceName st
}
// Calculate I/O rates after we have the actual values
sampleTime := time.Now()
currentMetrics := IOMetrics{
DiskRead: diskReadBytes,
DiskWrite: diskWriteBytes,
NetworkIn: networkInBytes,
NetworkOut: networkOutBytes,
Timestamp: time.Now(),
Timestamp: sampleTime,
}
diskReadRate, diskWriteRate, netInRate, netOutRate := m.rateTracker.CalculateRates(guestID, currentMetrics)
@ -469,7 +497,7 @@ func (m *Monitor) pollVMsWithNodesOptimized(ctx context.Context, instanceName st
DiskWrite: maxInt64(0, int64(diskWriteRate)),
Uptime: int64(vm.Uptime),
Template: vm.Template == 1,
LastSeen: time.Now(),
LastSeen: sampleTime,
Tags: tags,
IPAddresses: ipAddresses,
OSName: osName,
@ -490,6 +518,15 @@ func (m *Monitor) pollVMsWithNodesOptimized(ctx context.Context, instanceName st
nodeVMs = append(nodeVMs, modelVM)
m.recordGuestSnapshot(instanceName, modelVM.Type, n.Node, vm.VMID, GuestMemorySnapshot{
Name: vm.Name,
Status: vm.Status,
RetrievedAt: sampleTime,
MemorySource: memorySource,
Memory: modelVM.Memory,
Raw: guestRaw,
})
// Check alerts
m.alertManager.CheckGuest(modelVM, instanceName)
}