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access.go
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access.go
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package metrics
import (
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/onflow/flow-go/module"
"github.com/onflow/flow-go/module/counters"
)
type AccessCollectorOpts func(*AccessCollector)
func WithTransactionMetrics(m module.TransactionMetrics) AccessCollectorOpts {
return func(ac *AccessCollector) {
ac.TransactionMetrics = m
}
}
func WithBackendScriptsMetrics(m module.BackendScriptsMetrics) AccessCollectorOpts {
return func(ac *AccessCollector) {
ac.BackendScriptsMetrics = m
}
}
func WithRestMetrics(m module.RestMetrics) AccessCollectorOpts {
return func(ac *AccessCollector) {
ac.RestMetrics = m
}
}
type AccessCollector struct {
module.RestMetrics
module.TransactionMetrics
module.BackendScriptsMetrics
connectionReused prometheus.Counter
connectionsInPool *prometheus.GaugeVec
connectionAdded prometheus.Counter
connectionEstablished prometheus.Counter
connectionInvalidated prometheus.Counter
connectionUpdated prometheus.Counter
connectionEvicted prometheus.Counter
lastFullBlockHeight prometheus.Gauge
maxReceiptHeight prometheus.Gauge
// used to skip heights that are lower than the current max height
maxReceiptHeightValue counters.StrictMonotonousCounter
}
var _ module.AccessMetrics = (*AccessCollector)(nil)
func NewAccessCollector(opts ...AccessCollectorOpts) *AccessCollector {
ac := &AccessCollector{
connectionReused: promauto.NewCounter(prometheus.CounterOpts{
Name: "connection_reused",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of times connections get reused",
}),
connectionsInPool: promauto.NewGaugeVec(prometheus.GaugeOpts{
Name: "connections_in_pool",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of connections in the pool against max number tne pool can hold",
}, []string{"result"}),
connectionAdded: promauto.NewCounter(prometheus.CounterOpts{
Name: "connection_added",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of times connections are added to the pool",
}),
connectionEstablished: promauto.NewCounter(prometheus.CounterOpts{
Name: "connection_established",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of times connections are established",
}),
connectionInvalidated: promauto.NewCounter(prometheus.CounterOpts{
Name: "connection_invalidated",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of times connections are invalidated",
}),
connectionUpdated: promauto.NewCounter(prometheus.CounterOpts{
Name: "connection_updated",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of times existing connections from the pool are updated",
}),
connectionEvicted: promauto.NewCounter(prometheus.CounterOpts{
Name: "connection_evicted",
Namespace: namespaceAccess,
Subsystem: subsystemConnectionPool,
Help: "counter for the number of times a cached connection is evicted from the connection pool",
}),
lastFullBlockHeight: promauto.NewGauge(prometheus.GaugeOpts{
Name: "last_full_finalized_block_height",
Namespace: namespaceAccess,
Subsystem: subsystemIngestion,
Help: "gauge to track the highest consecutive finalized block height with all collections indexed",
}),
maxReceiptHeight: promauto.NewGauge(prometheus.GaugeOpts{
Name: "max_receipt_height",
Namespace: namespaceAccess,
Subsystem: subsystemIngestion,
Help: "gauge to track the maximum block height of execution receipts received",
}),
maxReceiptHeightValue: counters.NewMonotonousCounter(0),
}
for _, opt := range opts {
opt(ac)
}
return ac
}
func (ac *AccessCollector) ConnectionFromPoolReused() {
ac.connectionReused.Inc()
}
func (ac *AccessCollector) TotalConnectionsInPool(connectionCount uint, connectionPoolSize uint) {
ac.connectionsInPool.WithLabelValues("connections").Set(float64(connectionCount))
ac.connectionsInPool.WithLabelValues("pool_size").Set(float64(connectionPoolSize))
}
func (ac *AccessCollector) ConnectionAddedToPool() {
ac.connectionAdded.Inc()
}
func (ac *AccessCollector) NewConnectionEstablished() {
ac.connectionEstablished.Inc()
}
func (ac *AccessCollector) ConnectionFromPoolInvalidated() {
ac.connectionInvalidated.Inc()
}
func (ac *AccessCollector) ConnectionFromPoolUpdated() {
ac.connectionUpdated.Inc()
}
func (ac *AccessCollector) ConnectionFromPoolEvicted() {
ac.connectionEvicted.Inc()
}
func (ac *AccessCollector) UpdateLastFullBlockHeight(height uint64) {
ac.lastFullBlockHeight.Set(float64(height))
}
func (ac *AccessCollector) UpdateExecutionReceiptMaxHeight(height uint64) {
if ac.maxReceiptHeightValue.Set(height) {
ac.maxReceiptHeight.Set(float64(height))
}
}