performance

type CPUMetrics struct {
	// CPUs are the individual CPU metrics
	CPUs []CPUUsage
	// Usage is the percentage of total vm CPU usage
	Usage float32
}

type CPUUsage struct {
	// processor id (0,1,2)
	ID int
	// MhzUsage is the MhZ consumed by a specific processor
	MhzUsage int64
}

type DiskUsage struct {
	Bytes uint64 // total bytes for interval
	Kbps  int64  // KiloBytesPerSecond for interval
	Op    uint64 // Operation count for interval
	Ops   int64  // Operations per second
}

type HostCPU struct {
	UsagePercent float64
}

type HostMemory struct {
	ActiveKB   int64
	ConsumedKB int64
	OverheadKB int64
	TotalKB    int64
}

type HostMetricsInfo struct {
	Memory HostMemory
	CPU    HostCPU
}

type HostMetricsProvider struct {
	*vim25.Client
}

type MemoryMetrics struct {
	// Consumed memory of vm in bytes
	Consumed int64
	// Active memory of vm in bytes
	Active int64
	// Provisioned memory of vm in bytes
	Provisioned int64
}

type MetricsProvider interface {
	// GetMetricsForComputeResource returns metrics for a particular compute resource. The metrics are
	// returned in a map of HostMetricsInfo keyed on host ManagedObjectReferences.
	GetMetricsForComputeResource(trace.Operation, *object.ComputeResource) (map[string]*HostMetricsInfo, error)

	// GetMetricsForHosts returns metrics pertaining to supplied ESX hosts.
	GetMetricsForHosts(trace.Operation, []*object.HostSystem) (map[string]*HostMetricsInfo, error)
}

type Network struct {
	Name string
	Rx   NetworkUsage
	Tx   NetworkUsage
}

type NetworkUsage struct {
	Bytes   uint64 // total bytes
	Kbps    int64  // KiloBytesPerSecond
	Packets int64  // total packet count
	Errors  int64  // NOT CURRENTLY IMPLEMENTED
	Dropped int64  // total dropped packet count
}

type VMCollector struct {
	// contains filtered or unexported fields
}

type VMMetrics struct {
	CPU        CPUMetrics
	Memory     MemoryMetrics
	Networks   []Network
	Disks      []VirtualDisk
	SampleTime time.Time
	// interval of collection in seconds
	Interval int32
}

type VirtualDisk struct {
	Name  string
	Write DiskUsage
	Read  DiskUsage
}