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scaffold.go
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scaffold.go
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package cmd
import (
"crypto/tls"
"crypto/x509"
"errors"
"fmt"
"math/rand"
"os"
"runtime"
"strings"
"time"
gcemd "cloud.google.com/go/compute/metadata"
"github.com/dgraph-io/badger/v2"
"github.com/hashicorp/go-multierror"
"github.com/prometheus/client_golang/prometheus"
"github.com/rs/zerolog"
"github.com/spf13/pflag"
"golang.org/x/time/rate"
"google.golang.org/api/option"
"github.com/onflow/flow-go/admin"
"github.com/onflow/flow-go/admin/commands"
"github.com/onflow/flow-go/admin/commands/common"
storageCommands "github.com/onflow/flow-go/admin/commands/storage"
"github.com/onflow/flow-go/cmd/build"
"github.com/onflow/flow-go/consensus/hotstuff/persister"
"github.com/onflow/flow-go/fvm"
"github.com/onflow/flow-go/fvm/environment"
"github.com/onflow/flow-go/model/flow"
"github.com/onflow/flow-go/model/flow/filter"
"github.com/onflow/flow-go/module"
"github.com/onflow/flow-go/module/chainsync"
"github.com/onflow/flow-go/module/compliance"
"github.com/onflow/flow-go/module/component"
"github.com/onflow/flow-go/module/id"
"github.com/onflow/flow-go/module/irrecoverable"
"github.com/onflow/flow-go/module/local"
"github.com/onflow/flow-go/module/mempool/herocache"
"github.com/onflow/flow-go/module/metrics"
"github.com/onflow/flow-go/module/profiler"
"github.com/onflow/flow-go/module/trace"
"github.com/onflow/flow-go/module/updatable_configs"
"github.com/onflow/flow-go/module/util"
"github.com/onflow/flow-go/network"
alspmgr "github.com/onflow/flow-go/network/alsp/manager"
netcache "github.com/onflow/flow-go/network/cache"
"github.com/onflow/flow-go/network/p2p"
"github.com/onflow/flow-go/network/p2p/cache"
"github.com/onflow/flow-go/network/p2p/conduit"
"github.com/onflow/flow-go/network/p2p/dns"
"github.com/onflow/flow-go/network/p2p/inspector/validation"
"github.com/onflow/flow-go/network/p2p/middleware"
"github.com/onflow/flow-go/network/p2p/p2pbuilder"
p2pconfig "github.com/onflow/flow-go/network/p2p/p2pbuilder/config"
"github.com/onflow/flow-go/network/p2p/p2pbuilder/inspector"
"github.com/onflow/flow-go/network/p2p/ping"
"github.com/onflow/flow-go/network/p2p/subscription"
"github.com/onflow/flow-go/network/p2p/unicast/protocols"
"github.com/onflow/flow-go/network/p2p/unicast/ratelimit"
"github.com/onflow/flow-go/network/p2p/utils/ratelimiter"
"github.com/onflow/flow-go/network/slashing"
"github.com/onflow/flow-go/network/topology"
"github.com/onflow/flow-go/state/protocol"
badgerState "github.com/onflow/flow-go/state/protocol/badger"
"github.com/onflow/flow-go/state/protocol/events"
"github.com/onflow/flow-go/state/protocol/events/gadgets"
"github.com/onflow/flow-go/storage"
bstorage "github.com/onflow/flow-go/storage/badger"
"github.com/onflow/flow-go/storage/badger/operation"
sutil "github.com/onflow/flow-go/storage/util"
"github.com/onflow/flow-go/utils/logging"
)
const (
NetworkComponent = "network"
ConduitFactoryComponent = "conduit-factory"
LibP2PNodeComponent = "libp2p-node"
)
type Metrics struct {
Network module.NetworkMetrics
Engine module.EngineMetrics
Compliance module.ComplianceMetrics
Cache module.CacheMetrics
Mempool module.MempoolMetrics
CleanCollector module.CleanerMetrics
Bitswap module.BitswapMetrics
}
type Storage = storage.All
type namedModuleFunc struct {
fn BuilderFunc
name string
}
type namedComponentFunc struct {
fn ReadyDoneFactory
name string
errorHandler component.OnError
dependencies *DependencyList
}
// FlowNodeBuilder is the default builder struct used for all flow nodes
// It runs a node process with following structure, in sequential order
// Base inits (network, storage, state, logger)
// PostInit handlers, if any
// Components handlers, if any, wait sequentially
// Run() <- main loop
// Components destructors, if any
// The initialization can be proceeded and succeeded with PreInit and PostInit functions that allow customization
// of the process in case of nodes such as the unstaked access node where the NodeInfo is not part of the genesis data
type FlowNodeBuilder struct {
*NodeConfig
flags *pflag.FlagSet
modules []namedModuleFunc
components []namedComponentFunc
postShutdownFns []func() error
preInitFns []BuilderFunc
postInitFns []BuilderFunc
extraRootSnapshotCheck func(protocol.Snapshot) error
extraFlagCheck func() error
adminCommandBootstrapper *admin.CommandRunnerBootstrapper
adminCommands map[string]func(config *NodeConfig) commands.AdminCommand
componentBuilder component.ComponentManagerBuilder
}
var _ NodeBuilder = (*FlowNodeBuilder)(nil)
func (fnb *FlowNodeBuilder) BaseFlags() {
defaultConfig := DefaultBaseConfig()
// bind configuration parameters
fnb.flags.StringVar(&fnb.BaseConfig.nodeIDHex, "nodeid", defaultConfig.nodeIDHex, "identity of our node")
fnb.flags.StringVar(&fnb.BaseConfig.BindAddr, "bind", defaultConfig.BindAddr, "address to bind on")
fnb.flags.StringVarP(&fnb.BaseConfig.BootstrapDir, "bootstrapdir", "b", defaultConfig.BootstrapDir, "path to the bootstrap directory")
fnb.flags.StringVarP(&fnb.BaseConfig.datadir, "datadir", "d", defaultConfig.datadir, "directory to store the public database (protocol state)")
fnb.flags.StringVar(&fnb.BaseConfig.secretsdir, "secretsdir", defaultConfig.secretsdir, "directory to store private database (secrets)")
fnb.flags.StringVarP(&fnb.BaseConfig.level, "loglevel", "l", defaultConfig.level, "level for logging output")
fnb.flags.Uint32Var(&fnb.BaseConfig.debugLogLimit, "debug-log-limit", defaultConfig.debugLogLimit, "max number of debug/trace log events per second")
fnb.flags.DurationVar(&fnb.BaseConfig.PeerUpdateInterval, "peerupdate-interval", defaultConfig.PeerUpdateInterval, "how often to refresh the peer connections for the node")
fnb.flags.DurationVar(&fnb.BaseConfig.UnicastMessageTimeout, "unicast-timeout", defaultConfig.UnicastMessageTimeout, "how long a unicast transmission can take to complete")
fnb.flags.UintVarP(&fnb.BaseConfig.metricsPort, "metricport", "m", defaultConfig.metricsPort, "port for /metrics endpoint")
fnb.flags.BoolVar(&fnb.BaseConfig.profilerConfig.Enabled, "profiler-enabled", defaultConfig.profilerConfig.Enabled, "whether to enable the auto-profiler")
fnb.flags.BoolVar(&fnb.BaseConfig.profilerConfig.UploaderEnabled, "profile-uploader-enabled", defaultConfig.profilerConfig.UploaderEnabled,
"whether to enable automatic profile upload to Google Cloud Profiler. "+
"For autoupload to work forllowing should be true: "+
"1) both -profiler-enabled=true and -profile-uploader-enabled=true need to be set. "+
"2) node is running in GCE. "+
"3) server or user has https://www.googleapis.com/auth/monitoring.write scope. ")
fnb.flags.StringVar(&fnb.BaseConfig.profilerConfig.Dir, "profiler-dir", defaultConfig.profilerConfig.Dir, "directory to create auto-profiler profiles")
fnb.flags.DurationVar(&fnb.BaseConfig.profilerConfig.Interval, "profiler-interval", defaultConfig.profilerConfig.Interval,
"the interval between auto-profiler runs")
fnb.flags.DurationVar(&fnb.BaseConfig.profilerConfig.Duration, "profiler-duration", defaultConfig.profilerConfig.Duration,
"the duration to run the auto-profile for")
fnb.flags.BoolVar(&fnb.BaseConfig.tracerEnabled, "tracer-enabled", defaultConfig.tracerEnabled,
"whether to enable tracer")
fnb.flags.UintVar(&fnb.BaseConfig.tracerSensitivity, "tracer-sensitivity", defaultConfig.tracerSensitivity,
"adjusts the level of sampling when tracing is enabled. 0 means capture everything, higher value results in less samples")
fnb.flags.StringVar(&fnb.BaseConfig.AdminAddr, "admin-addr", defaultConfig.AdminAddr, "address to bind on for admin HTTP server")
fnb.flags.StringVar(&fnb.BaseConfig.AdminCert, "admin-cert", defaultConfig.AdminCert, "admin cert file (for TLS)")
fnb.flags.StringVar(&fnb.BaseConfig.AdminKey, "admin-key", defaultConfig.AdminKey, "admin key file (for TLS)")
fnb.flags.StringVar(&fnb.BaseConfig.AdminClientCAs, "admin-client-certs", defaultConfig.AdminClientCAs, "admin client certs (for mutual TLS)")
fnb.flags.UintVar(&fnb.BaseConfig.AdminMaxMsgSize, "admin-max-response-size", defaultConfig.AdminMaxMsgSize, "admin server max response size in bytes")
fnb.flags.Float64Var(&fnb.BaseConfig.LibP2PResourceManagerConfig.FileDescriptorsRatio, "libp2p-fd-ratio", defaultConfig.LibP2PResourceManagerConfig.FileDescriptorsRatio, "ratio of available file descriptors to be used by libp2p (in (0,1])")
fnb.flags.Float64Var(&fnb.BaseConfig.LibP2PResourceManagerConfig.MemoryLimitRatio, "libp2p-memory-limit", defaultConfig.LibP2PResourceManagerConfig.MemoryLimitRatio, "ratio of available memory to be used by libp2p (in (0,1])")
fnb.flags.IntVar(&fnb.BaseConfig.LibP2PResourceManagerConfig.PeerBaseLimitConnsInbound, "libp2p-inbound-conns-limit", defaultConfig.LibP2PResourceManagerConfig.PeerBaseLimitConnsInbound, "the maximum amount of allowed inbound connections per peer")
fnb.flags.IntVar(&fnb.BaseConfig.ConnectionManagerConfig.LowWatermark, "libp2p-connmgr-low", defaultConfig.ConnectionManagerConfig.LowWatermark, "low watermarking for libp2p connection manager")
fnb.flags.IntVar(&fnb.BaseConfig.ConnectionManagerConfig.HighWatermark, "libp2p-connmgr-high", defaultConfig.ConnectionManagerConfig.HighWatermark, "high watermarking for libp2p connection manager")
fnb.flags.DurationVar(&fnb.BaseConfig.ConnectionManagerConfig.GracePeriod, "libp2p-connmgr-grace", defaultConfig.ConnectionManagerConfig.GracePeriod, "grace period for libp2p connection manager")
fnb.flags.DurationVar(&fnb.BaseConfig.ConnectionManagerConfig.SilencePeriod, "libp2p-connmgr-silence", defaultConfig.ConnectionManagerConfig.SilencePeriod, "silence period for libp2p connection manager")
fnb.flags.DurationVar(&fnb.BaseConfig.DNSCacheTTL, "dns-cache-ttl", defaultConfig.DNSCacheTTL, "time-to-live for dns cache")
fnb.flags.StringSliceVar(&fnb.BaseConfig.PreferredUnicastProtocols, "preferred-unicast-protocols", nil, "preferred unicast protocols in ascending order of preference")
fnb.flags.Uint32Var(&fnb.BaseConfig.NetworkReceivedMessageCacheSize, "networking-receive-cache-size", p2p.DefaultReceiveCacheSize,
"incoming message cache size at networking layer")
fnb.flags.BoolVar(&fnb.BaseConfig.NetworkConnectionPruning, "networking-connection-pruning", defaultConfig.NetworkConnectionPruning, "enabling connection trimming")
fnb.flags.BoolVar(&fnb.BaseConfig.GossipSubConfig.PeerScoring, "peer-scoring-enabled", defaultConfig.GossipSubConfig.PeerScoring, "enabling peer scoring on pubsub network")
fnb.flags.DurationVar(&fnb.BaseConfig.GossipSubConfig.LocalMeshLogInterval, "gossipsub-local-mesh-logging-interval", defaultConfig.GossipSubConfig.LocalMeshLogInterval, "logging interval for local mesh in gossipsub")
fnb.flags.DurationVar(&fnb.BaseConfig.GossipSubConfig.ScoreTracerInterval, "gossipsub-score-tracer-interval", defaultConfig.GossipSubConfig.ScoreTracerInterval, "logging interval for peer score tracer in gossipsub, set to 0 to disable")
fnb.flags.UintVar(&fnb.BaseConfig.guaranteesCacheSize, "guarantees-cache-size", bstorage.DefaultCacheSize, "collection guarantees cache size")
fnb.flags.UintVar(&fnb.BaseConfig.receiptsCacheSize, "receipts-cache-size", bstorage.DefaultCacheSize, "receipts cache size")
// dynamic node startup flags
fnb.flags.StringVar(&fnb.BaseConfig.DynamicStartupANPubkey, "dynamic-startup-access-publickey", "", "the public key of the trusted secure access node to connect to when using dynamic-startup, this access node must be staked")
fnb.flags.StringVar(&fnb.BaseConfig.DynamicStartupANAddress, "dynamic-startup-access-address", "", "the access address of the trusted secure access node to connect to when using dynamic-startup, this access node must be staked")
fnb.flags.StringVar(&fnb.BaseConfig.DynamicStartupEpochPhase, "dynamic-startup-epoch-phase", "EpochPhaseSetup", "the target epoch phase for dynamic startup <EpochPhaseStaking|EpochPhaseSetup|EpochPhaseCommitted")
fnb.flags.StringVar(&fnb.BaseConfig.DynamicStartupEpoch, "dynamic-startup-epoch", "current", "the target epoch for dynamic-startup, use \"current\" to start node in the current epoch")
fnb.flags.DurationVar(&fnb.BaseConfig.DynamicStartupSleepInterval, "dynamic-startup-sleep-interval", time.Minute, "the interval in which the node will check if it can start")
fnb.flags.BoolVar(&fnb.BaseConfig.InsecureSecretsDB, "insecure-secrets-db", false, "allow the node to start up without an secrets DB encryption key")
fnb.flags.BoolVar(&fnb.BaseConfig.HeroCacheMetricsEnable, "herocache-metrics-collector", false, "enables herocache metrics collection")
// sync core flags
fnb.flags.DurationVar(&fnb.BaseConfig.SyncCoreConfig.RetryInterval, "sync-retry-interval", defaultConfig.SyncCoreConfig.RetryInterval, "the initial interval before we retry a sync request, uses exponential backoff")
fnb.flags.UintVar(&fnb.BaseConfig.SyncCoreConfig.Tolerance, "sync-tolerance", defaultConfig.SyncCoreConfig.Tolerance, "determines how big of a difference in block heights we tolerate before actively syncing with range requests")
fnb.flags.UintVar(&fnb.BaseConfig.SyncCoreConfig.MaxAttempts, "sync-max-attempts", defaultConfig.SyncCoreConfig.MaxAttempts, "the maximum number of attempts we make for each requested block/height before discarding")
fnb.flags.UintVar(&fnb.BaseConfig.SyncCoreConfig.MaxSize, "sync-max-size", defaultConfig.SyncCoreConfig.MaxSize, "the maximum number of blocks we request in the same block request message")
fnb.flags.UintVar(&fnb.BaseConfig.SyncCoreConfig.MaxRequests, "sync-max-requests", defaultConfig.SyncCoreConfig.MaxRequests, "the maximum number of requests we send during each scanning period")
fnb.flags.Uint64Var(&fnb.BaseConfig.ComplianceConfig.SkipNewProposalsThreshold, "compliance-skip-proposals-threshold", defaultConfig.ComplianceConfig.SkipNewProposalsThreshold, "threshold at which new proposals are discarded rather than cached, if their height is this much above local finalized height")
// unicast stream handler rate limits
fnb.flags.IntVar(&fnb.BaseConfig.UnicastRateLimitersConfig.MessageRateLimit, "unicast-message-rate-limit", defaultConfig.UnicastRateLimitersConfig.MessageRateLimit, "maximum number of unicast messages that a peer can send per second")
fnb.flags.IntVar(&fnb.BaseConfig.UnicastRateLimitersConfig.BandwidthRateLimit, "unicast-bandwidth-rate-limit", defaultConfig.UnicastRateLimitersConfig.BandwidthRateLimit, "bandwidth size in bytes a peer is allowed to send via unicast streams per second")
fnb.flags.IntVar(&fnb.BaseConfig.UnicastRateLimitersConfig.BandwidthBurstLimit, "unicast-bandwidth-burst-limit", defaultConfig.UnicastRateLimitersConfig.BandwidthBurstLimit, "bandwidth size in bytes a peer is allowed to send at one time")
fnb.flags.DurationVar(&fnb.BaseConfig.UnicastRateLimitersConfig.LockoutDuration, "unicast-rate-limit-lockout-duration", defaultConfig.UnicastRateLimitersConfig.LockoutDuration, "the number of seconds a peer will be forced to wait before being allowed to successful reconnect to the node after being rate limited")
fnb.flags.BoolVar(&fnb.BaseConfig.UnicastRateLimitersConfig.DryRun, "unicast-rate-limit-dry-run", defaultConfig.UnicastRateLimitersConfig.DryRun, "disable peer disconnects and connections gating when rate limiting peers")
// gossipsub RPC control message validation limits used for validation configuration and rate limiting
fnb.flags.IntVar(&fnb.BaseConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.NumberOfWorkers, "gossipsub-rpc-validation-inspector-workers", defaultConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.NumberOfWorkers, "number of gossupsub RPC control message validation inspector component workers")
fnb.flags.Uint32Var(&fnb.BaseConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.CacheSize, "gossipsub-rpc-validation-inspector-cache-size", defaultConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.CacheSize, "cache size for gossipsub RPC validation inspector events worker pool queue.")
fnb.flags.StringToIntVar(&fnb.BaseConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.GraftLimits, "gossipsub-rpc-graft-limits", defaultConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.GraftLimits, fmt.Sprintf("hard threshold, safety and rate limits for gossipsub RPC GRAFT message validation e.g: %s=1000,%s=100,%s=1000", validation.HardThresholdMapKey, validation.SafetyThresholdMapKey, validation.RateLimitMapKey))
fnb.flags.StringToIntVar(&fnb.BaseConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.PruneLimits, "gossipsub-rpc-prune-limits", defaultConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.PruneLimits, fmt.Sprintf("hard threshold, safety and rate limits for gossipsub RPC PRUNE message validation e.g: %s=1000,%s=20,%s=1000", validation.HardThresholdMapKey, validation.SafetyThresholdMapKey, validation.RateLimitMapKey))
fnb.flags.StringToIntVar(&fnb.BaseConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.IHaveLimitsConfig.IHaveLimits, "gossipsub-rpc-ihave-limits", defaultConfig.GossipSubConfig.RpcInspector.ValidationInspectorConfigs.IHaveLimitsConfig.IHaveLimits, fmt.Sprintf("hard threshold and safety threshold limits for gossipsub RPC IHAVE message validation e.g: %s=1000,%s=20", validation.HardThresholdMapKey, validation.SafetyThresholdMapKey))
// gossipsub RPC control message metrics observer inspector configuration
fnb.flags.IntVar(&fnb.BaseConfig.GossipSubConfig.RpcInspector.MetricsInspectorConfigs.NumberOfWorkers, "gossipsub-rpc-metrics-inspector-workers", defaultConfig.GossipSubConfig.RpcInspector.MetricsInspectorConfigs.NumberOfWorkers, "cache size for gossipsub RPC metrics inspector events worker pool queue.")
fnb.flags.Uint32Var(&fnb.BaseConfig.GossipSubConfig.RpcInspector.MetricsInspectorConfigs.CacheSize, "gossipsub-rpc-metrics-inspector-cache-size", defaultConfig.GossipSubConfig.RpcInspector.MetricsInspectorConfigs.CacheSize, "cache size for gossipsub RPC metrics inspector events worker pool.")
// networking event notifications
fnb.flags.Uint32Var(&fnb.BaseConfig.GossipSubConfig.RpcInspector.GossipSubRPCInspectorNotificationCacheSize, "gossipsub-rpc-inspector-notification-cache-size", defaultConfig.GossipSubConfig.RpcInspector.GossipSubRPCInspectorNotificationCacheSize, "cache size for notification events from gossipsub rpc inspector")
fnb.flags.Uint32Var(&fnb.BaseConfig.DisallowListNotificationCacheSize, "disallow-list-notification-cache-size", defaultConfig.DisallowListNotificationCacheSize, "cache size for notification events from disallow list")
// unicast manager options
fnb.flags.DurationVar(&fnb.BaseConfig.UnicastCreateStreamRetryDelay, "unicast-manager-create-stream-retry-delay", defaultConfig.NetworkConfig.UnicastCreateStreamRetryDelay, "Initial delay between failing to establish a connection with another node and retrying. This delay increases exponentially (exponential backoff) with the number of subsequent failures to establish a connection.")
// application layer spam prevention (alsp) protocol
fnb.flags.BoolVar(&fnb.BaseConfig.AlspConfig.DisablePenalty, "alsp-disable", defaultConfig.AlspConfig.DisablePenalty, "disable the penalty mechanism of the alsp protocol. default value (recommended) is false")
fnb.flags.Uint32Var(&fnb.BaseConfig.AlspConfig.SpamRecordCacheSize, "alsp-spam-record-cache-size", defaultConfig.AlspConfig.SpamRecordCacheSize, "size of spam record cache, recommended to be 10x the number of authorized nodes")
fnb.flags.Uint32Var(&fnb.BaseConfig.AlspConfig.SpamReportQueueSize, "alsp-spam-report-queue-size", defaultConfig.AlspConfig.SpamReportQueueSize, "size of spam report queue, recommended to be 100x the number of authorized nodes")
fnb.flags.DurationVar(&fnb.BaseConfig.AlspConfig.HearBeatInterval, "alsp-heartbeat-interval", defaultConfig.AlspConfig.HearBeatInterval, "interval between two consecutive heartbeat events at alsp, recommended to leave it as default unless you know what you are doing.")
}
func (fnb *FlowNodeBuilder) EnqueuePingService() {
fnb.Component("ping service", func(node *NodeConfig) (module.ReadyDoneAware, error) {
pingLibP2PProtocolID := protocols.PingProtocolId(node.SporkID)
// setup the Ping provider to return the software version and the sealed block height
pingInfoProvider := &ping.InfoProvider{
SoftwareVersionFun: func() string {
return build.Semver()
},
SealedBlockHeightFun: func() (uint64, error) {
head, err := node.State.Sealed().Head()
if err != nil {
return 0, err
}
return head.Height, nil
},
HotstuffViewFun: func() (uint64, error) {
return 0, fmt.Errorf("hotstuff view reporting disabled")
},
}
// only consensus roles will need to report hotstuff view
if fnb.BaseConfig.NodeRole == flow.RoleConsensus.String() {
// initialize the persister
persist := persister.New(node.DB, node.RootChainID)
pingInfoProvider.HotstuffViewFun = func() (uint64, error) {
livenessData, err := persist.GetLivenessData()
if err != nil {
return 0, err
}
return livenessData.CurrentView, nil
}
}
pingService, err := node.Network.RegisterPingService(pingLibP2PProtocolID, pingInfoProvider)
node.PingService = pingService
return &module.NoopReadyDoneAware{}, err
})
}
func (fnb *FlowNodeBuilder) EnqueueResolver() {
fnb.Component("resolver", func(node *NodeConfig) (module.ReadyDoneAware, error) {
var dnsIpCacheMetricsCollector module.HeroCacheMetrics = metrics.NewNoopCollector()
var dnsTxtCacheMetricsCollector module.HeroCacheMetrics = metrics.NewNoopCollector()
if fnb.HeroCacheMetricsEnable {
dnsIpCacheMetricsCollector = metrics.NetworkDnsIpCacheMetricsFactory(fnb.MetricsRegisterer)
dnsTxtCacheMetricsCollector = metrics.NetworkDnsTxtCacheMetricsFactory(fnb.MetricsRegisterer)
}
cache := herocache.NewDNSCache(
dns.DefaultCacheSize,
node.Logger,
dnsIpCacheMetricsCollector,
dnsTxtCacheMetricsCollector,
)
resolver := dns.NewResolver(
node.Logger,
fnb.Metrics.Network,
cache,
dns.WithTTL(fnb.BaseConfig.DNSCacheTTL))
fnb.Resolver = resolver
return resolver, nil
})
}
func (fnb *FlowNodeBuilder) EnqueueNetworkInit() {
connGaterPeerDialFilters := make([]p2p.PeerFilter, 0)
connGaterInterceptSecureFilters := make([]p2p.PeerFilter, 0)
peerManagerFilters := make([]p2p.PeerFilter, 0)
fnb.UnicastRateLimiterDistributor = ratelimit.NewUnicastRateLimiterDistributor()
fnb.UnicastRateLimiterDistributor.AddConsumer(fnb.Metrics.Network)
// setup default rate limiter options
unicastRateLimiterOpts := []ratelimit.RateLimitersOption{
ratelimit.WithDisabledRateLimiting(fnb.BaseConfig.UnicastRateLimitersConfig.DryRun),
ratelimit.WithNotifier(fnb.UnicastRateLimiterDistributor),
}
// override noop unicast message rate limiter
if fnb.BaseConfig.UnicastRateLimitersConfig.MessageRateLimit > 0 {
unicastMessageRateLimiter := ratelimiter.NewRateLimiter(
rate.Limit(fnb.BaseConfig.UnicastRateLimitersConfig.MessageRateLimit),
fnb.BaseConfig.UnicastRateLimitersConfig.MessageRateLimit,
fnb.BaseConfig.UnicastRateLimitersConfig.LockoutDuration,
)
unicastRateLimiterOpts = append(unicastRateLimiterOpts, ratelimit.WithMessageRateLimiter(unicastMessageRateLimiter))
// avoid connection gating and pruning during dry run
if !fnb.BaseConfig.UnicastRateLimitersConfig.DryRun {
f := rateLimiterPeerFilter(unicastMessageRateLimiter)
// add IsRateLimited peerFilters to conn gater intercept secure peer and peer manager filters list
// don't allow rate limited peers to establishing incoming connections
connGaterInterceptSecureFilters = append(connGaterInterceptSecureFilters, f)
// don't create outbound connections to rate limited peers
peerManagerFilters = append(peerManagerFilters, f)
}
}
// override noop unicast bandwidth rate limiter
if fnb.BaseConfig.UnicastRateLimitersConfig.BandwidthRateLimit > 0 && fnb.BaseConfig.UnicastRateLimitersConfig.BandwidthBurstLimit > 0 {
unicastBandwidthRateLimiter := ratelimit.NewBandWidthRateLimiter(
rate.Limit(fnb.BaseConfig.UnicastRateLimitersConfig.BandwidthRateLimit),
fnb.BaseConfig.UnicastRateLimitersConfig.BandwidthBurstLimit,
fnb.BaseConfig.UnicastRateLimitersConfig.LockoutDuration,
)
unicastRateLimiterOpts = append(unicastRateLimiterOpts, ratelimit.WithBandwidthRateLimiter(unicastBandwidthRateLimiter))
// avoid connection gating and pruning during dry run
if !fnb.BaseConfig.UnicastRateLimitersConfig.DryRun {
f := rateLimiterPeerFilter(unicastBandwidthRateLimiter)
// add IsRateLimited peerFilters to conn gater intercept secure peer and peer manager filters list
connGaterInterceptSecureFilters = append(connGaterInterceptSecureFilters, f)
peerManagerFilters = append(peerManagerFilters, f)
}
}
// setup unicast rate limiters
unicastRateLimiters := ratelimit.NewRateLimiters(unicastRateLimiterOpts...)
uniCfg := &p2pconfig.UnicastConfig{
StreamRetryInterval: fnb.UnicastCreateStreamRetryDelay,
RateLimiterDistributor: fnb.UnicastRateLimiterDistributor,
}
connGaterCfg := &p2pconfig.ConnectionGaterConfig{
InterceptPeerDialFilters: connGaterPeerDialFilters,
InterceptSecuredFilters: connGaterInterceptSecureFilters,
}
peerManagerCfg := &p2pconfig.PeerManagerConfig{
ConnectionPruning: fnb.NetworkConnectionPruning,
UpdateInterval: fnb.PeerUpdateInterval,
}
fnb.Component(LibP2PNodeComponent, func(node *NodeConfig) (module.ReadyDoneAware, error) {
myAddr := fnb.NodeConfig.Me.Address()
if fnb.BaseConfig.BindAddr != NotSet {
myAddr = fnb.BaseConfig.BindAddr
}
metricsCfg := &p2pconfig.MetricsConfig{
Metrics: fnb.Metrics.Network,
HeroCacheFactory: fnb.HeroCacheMetricsFactory(),
}
rpcInspectorSuite, err := inspector.NewGossipSubInspectorBuilder(fnb.Logger, fnb.SporkID, fnb.GossipSubConfig.RpcInspector, fnb.IdentityProvider, fnb.Metrics.Network).
SetNetworkType(network.PrivateNetwork).
SetMetrics(metricsCfg).
Build()
if err != nil {
return nil, fmt.Errorf("failed to create gossipsub rpc inspectors for default libp2p node: %w", err)
}
fnb.GossipSubRpcInspectorSuite = rpcInspectorSuite
builder, err := p2pbuilder.DefaultNodeBuilder(
fnb.Logger,
myAddr,
fnb.NetworkKey,
fnb.SporkID,
fnb.IdentityProvider,
metricsCfg,
fnb.Resolver,
fnb.BaseConfig.NodeRole,
connGaterCfg,
peerManagerCfg,
fnb.GossipSubConfig,
fnb.GossipSubRpcInspectorSuite,
fnb.LibP2PResourceManagerConfig,
uniCfg)
if err != nil {
return nil, fmt.Errorf("could not create libp2p node builder: %w", err)
}
libp2pNode, err := builder.Build()
if err != nil {
return nil, fmt.Errorf("could not build libp2p node: %w", err)
}
fnb.LibP2PNode = libp2pNode
return libp2pNode, nil
})
fnb.Component(NetworkComponent, func(node *NodeConfig) (module.ReadyDoneAware, error) {
fnb.Logger.Info().Hex("node_id", logging.ID(fnb.NodeID)).Msg("default conduit factory initiated")
return fnb.InitFlowNetworkWithConduitFactory(
node,
conduit.NewDefaultConduitFactory(),
unicastRateLimiters,
peerManagerFilters)
})
fnb.Module("middleware dependency", func(node *NodeConfig) error {
fnb.middlewareDependable = module.NewProxiedReadyDoneAware()
fnb.PeerManagerDependencies.Add(fnb.middlewareDependable)
return nil
})
// peer manager won't be created until all PeerManagerDependencies are ready.
fnb.DependableComponent("peer manager", func(node *NodeConfig) (module.ReadyDoneAware, error) {
return fnb.LibP2PNode.PeerManagerComponent(), nil
}, fnb.PeerManagerDependencies)
}
// HeroCacheMetricsFactory returns a HeroCacheMetricsFactory based on the MetricsEnabled flag.
// If MetricsEnabled is true, it returns a HeroCacheMetricsFactory that will register metrics with the provided MetricsRegisterer.
// If MetricsEnabled is false, it returns a no-op HeroCacheMetricsFactory that will not register any metrics.
func (fnb *FlowNodeBuilder) HeroCacheMetricsFactory() metrics.HeroCacheMetricsFactory {
if fnb.MetricsEnabled {
return metrics.NewHeroCacheMetricsFactory(fnb.MetricsRegisterer)
}
return metrics.NewNoopHeroCacheMetricsFactory()
}
func (fnb *FlowNodeBuilder) InitFlowNetworkWithConduitFactory(node *NodeConfig, cf network.ConduitFactory, unicastRateLimiters *ratelimit.RateLimiters, peerManagerFilters []p2p.PeerFilter) (network.Network, error) {
var mwOpts []middleware.MiddlewareOption
if len(fnb.MsgValidators) > 0 {
mwOpts = append(mwOpts, middleware.WithMessageValidators(fnb.MsgValidators...))
}
// by default if no rate limiter configuration was provided in the CLI args the default
// noop rate limiter will be used.
mwOpts = append(mwOpts, middleware.WithUnicastRateLimiters(unicastRateLimiters))
mwOpts = append(mwOpts,
middleware.WithPreferredUnicastProtocols(protocols.ToProtocolNames(fnb.PreferredUnicastProtocols)),
)
// peerManagerFilters are used by the peerManager via the middleware to filter peers from the topology.
if len(peerManagerFilters) > 0 {
mwOpts = append(mwOpts, middleware.WithPeerManagerFilters(peerManagerFilters))
}
slashingViolationsConsumer := slashing.NewSlashingViolationsConsumer(fnb.Logger, fnb.Metrics.Network)
mw := middleware.NewMiddleware(
fnb.Logger,
fnb.LibP2PNode,
fnb.Me.NodeID(),
fnb.Metrics.Bitswap,
fnb.SporkID,
fnb.BaseConfig.UnicastMessageTimeout,
fnb.IDTranslator,
fnb.CodecFactory(),
slashingViolationsConsumer,
mwOpts...)
fnb.NodeDisallowListDistributor.AddConsumer(mw)
fnb.Middleware = mw
subscriptionManager := subscription.NewChannelSubscriptionManager(fnb.Middleware)
receiveCache := netcache.NewHeroReceiveCache(fnb.NetworkReceivedMessageCacheSize,
fnb.Logger,
metrics.NetworkReceiveCacheMetricsFactory(fnb.HeroCacheMetricsFactory(), network.PrivateNetwork))
err := node.Metrics.Mempool.Register(metrics.ResourceNetworkingReceiveCache, receiveCache.Size)
if err != nil {
return nil, fmt.Errorf("could not register networking receive cache metric: %w", err)
}
// creates network instance
net, err := p2p.NewNetwork(&p2p.NetworkConfig{
Logger: fnb.Logger,
Codec: fnb.CodecFactory(),
Me: fnb.Me,
MiddlewareFactory: func() (network.Middleware, error) { return fnb.Middleware, nil },
Topology: topology.NewFullyConnectedTopology(),
SubscriptionManager: subscriptionManager,
Metrics: fnb.Metrics.Network,
IdentityProvider: fnb.IdentityProvider,
ReceiveCache: receiveCache,
ConduitFactory: cf,
AlspCfg: &alspmgr.MisbehaviorReportManagerConfig{
Logger: fnb.Logger,
SpamRecordCacheSize: fnb.AlspConfig.SpamRecordCacheSize,
SpamReportQueueSize: fnb.AlspConfig.SpamReportQueueSize,
DisablePenalty: fnb.AlspConfig.DisablePenalty,
HeartBeatInterval: fnb.AlspConfig.HearBeatInterval,
AlspMetrics: fnb.Metrics.Network,
HeroCacheMetricsFactory: fnb.HeroCacheMetricsFactory(),
NetworkType: network.PrivateNetwork,
},
})
if err != nil {
return nil, fmt.Errorf("could not initialize network: %w", err)
}
fnb.Network = net
// register middleware's ReadyDoneAware interface so other components can depend on it for startup
if fnb.middlewareDependable != nil {
fnb.middlewareDependable.Init(fnb.Middleware)
}
idEvents := gadgets.NewIdentityDeltas(fnb.Middleware.UpdateNodeAddresses)
fnb.ProtocolEvents.AddConsumer(idEvents)
return net, nil
}
func (fnb *FlowNodeBuilder) EnqueueMetricsServerInit() {
fnb.Component("metrics server", func(node *NodeConfig) (module.ReadyDoneAware, error) {
server := metrics.NewServer(fnb.Logger, fnb.BaseConfig.metricsPort)
return server, nil
})
}
func (fnb *FlowNodeBuilder) EnqueueAdminServerInit() error {
if fnb.AdminAddr == NotSet {
return nil
}
if (fnb.AdminCert != NotSet || fnb.AdminKey != NotSet || fnb.AdminClientCAs != NotSet) &&
!(fnb.AdminCert != NotSet && fnb.AdminKey != NotSet && fnb.AdminClientCAs != NotSet) {
return fmt.Errorf("admin cert / key and client certs must all be provided to enable mutual TLS")
}
// create the updatable config manager
fnb.RegisterDefaultAdminCommands()
fnb.Component("admin server", func(node *NodeConfig) (module.ReadyDoneAware, error) {
// set up all admin commands
for commandName, commandFunc := range fnb.adminCommands {
command := commandFunc(fnb.NodeConfig)
fnb.adminCommandBootstrapper.RegisterHandler(commandName, command.Handler)
fnb.adminCommandBootstrapper.RegisterValidator(commandName, command.Validator)
}
opts := []admin.CommandRunnerOption{
admin.WithMaxMsgSize(int(fnb.AdminMaxMsgSize)),
}
if node.AdminCert != NotSet {
serverCert, err := tls.LoadX509KeyPair(node.AdminCert, node.AdminKey)
if err != nil {
return nil, err
}
clientCAs, err := os.ReadFile(node.AdminClientCAs)
if err != nil {
return nil, err
}
certPool := x509.NewCertPool()
certPool.AppendCertsFromPEM(clientCAs)
config := &tls.Config{
MinVersion: tls.VersionTLS13,
Certificates: []tls.Certificate{serverCert},
ClientAuth: tls.RequireAndVerifyClientCert,
ClientCAs: certPool,
}
opts = append(opts, admin.WithTLS(config))
}
runner := fnb.adminCommandBootstrapper.Bootstrap(fnb.Logger, fnb.AdminAddr, opts...)
return runner, nil
})
return nil
}
func (fnb *FlowNodeBuilder) RegisterBadgerMetrics() error {
return metrics.RegisterBadgerMetrics()
}
func (fnb *FlowNodeBuilder) EnqueueTracer() {
fnb.Component("tracer", func(node *NodeConfig) (module.ReadyDoneAware, error) {
return fnb.Tracer, nil
})
}
func (fnb *FlowNodeBuilder) ParseAndPrintFlags() error {
// parse configuration parameters
pflag.Parse()
// print all flags
log := fnb.Logger.Info()
pflag.VisitAll(func(flag *pflag.Flag) {
log = log.Str(flag.Name, flag.Value.String())
})
log.Msg("flags loaded")
return fnb.extraFlagsValidation()
}
func (fnb *FlowNodeBuilder) ValidateRootSnapshot(f func(protocol.Snapshot) error) NodeBuilder {
fnb.extraRootSnapshotCheck = f
return fnb
}
func (fnb *FlowNodeBuilder) ValidateFlags(f func() error) NodeBuilder {
fnb.extraFlagCheck = f
return fnb
}
func (fnb *FlowNodeBuilder) PrintBuildVersionDetails() {
fnb.Logger.Info().Str("version", build.Semver()).Str("commit", build.Commit()).Msg("build details")
}
func (fnb *FlowNodeBuilder) initNodeInfo() error {
if fnb.BaseConfig.nodeIDHex == NotSet {
return fmt.Errorf("cannot start without node ID")
}
nodeID, err := flow.HexStringToIdentifier(fnb.BaseConfig.nodeIDHex)
if err != nil {
return fmt.Errorf("could not parse node ID from string (id: %v): %w", fnb.BaseConfig.nodeIDHex, err)
}
info, err := LoadPrivateNodeInfo(fnb.BaseConfig.BootstrapDir, nodeID)
if err != nil {
return fmt.Errorf("failed to load private node info: %w", err)
}
fnb.NodeID = nodeID
fnb.NetworkKey = info.NetworkPrivKey.PrivateKey
fnb.StakingKey = info.StakingPrivKey.PrivateKey
return nil
}
func (fnb *FlowNodeBuilder) initLogger() error {
// configure logger with standard level, node ID and UTC timestamp
zerolog.TimeFieldFormat = time.RFC3339Nano
zerolog.TimestampFunc = func() time.Time { return time.Now().UTC() }
// Drop all log events that exceed this rate limit
throttledSampler := logging.BurstSampler(fnb.BaseConfig.debugLogLimit, time.Second)
log := fnb.Logger.With().
Timestamp().
Str("node_role", fnb.BaseConfig.NodeRole).
Str("node_id", fnb.NodeID.String()).
Logger().
Sample(zerolog.LevelSampler{
TraceSampler: throttledSampler,
DebugSampler: throttledSampler,
})
log.Info().Msgf("flow %s node starting up", fnb.BaseConfig.NodeRole)
// parse config log level and apply to logger
lvl, err := zerolog.ParseLevel(strings.ToLower(fnb.BaseConfig.level))
if err != nil {
return fmt.Errorf("invalid log level: %w", err)
}
// Minimum log level is set to trace, then overridden by SetGlobalLevel.
// this allows admin commands to modify the level to any value during runtime
log = log.Level(zerolog.TraceLevel)
zerolog.SetGlobalLevel(lvl)
fnb.Logger = log
return nil
}
func (fnb *FlowNodeBuilder) initMetrics() error {
fnb.Tracer = trace.NewNoopTracer()
if fnb.BaseConfig.tracerEnabled {
nodeIdHex := fnb.NodeID.String()
if len(nodeIdHex) > 8 {
nodeIdHex = nodeIdHex[:8]
}
serviceName := fnb.BaseConfig.NodeRole + "-" + nodeIdHex
tracer, err := trace.NewTracer(
fnb.Logger,
serviceName,
fnb.RootChainID.String(),
fnb.tracerSensitivity,
)
if err != nil {
return fmt.Errorf("could not initialize tracer: %w", err)
}
fnb.Logger.Info().Msg("Tracer Started")
fnb.Tracer = tracer
}
fnb.Metrics = Metrics{
Network: metrics.NewNoopCollector(),
Engine: metrics.NewNoopCollector(),
Compliance: metrics.NewNoopCollector(),
Cache: metrics.NewNoopCollector(),
Mempool: metrics.NewNoopCollector(),
CleanCollector: metrics.NewNoopCollector(),
Bitswap: metrics.NewNoopCollector(),
}
if fnb.BaseConfig.MetricsEnabled {
fnb.MetricsRegisterer = prometheus.DefaultRegisterer
mempools := metrics.NewMempoolCollector(5 * time.Second)
fnb.Metrics = Metrics{
Network: metrics.NewNetworkCollector(fnb.Logger),
Engine: metrics.NewEngineCollector(),
Compliance: metrics.NewComplianceCollector(),
// CacheControl metrics has been causing memory abuse, disable for now
// Cache: metrics.NewCacheCollector(fnb.RootChainID),
Cache: metrics.NewNoopCollector(),
CleanCollector: metrics.NewCleanerCollector(),
Mempool: mempools,
Bitswap: metrics.NewBitswapCollector(),
}
// registers mempools as a Component so that its Ready method is invoked upon startup
fnb.Component("mempools metrics", func(node *NodeConfig) (module.ReadyDoneAware, error) {
return mempools, nil
})
// metrics enabled, report node info metrics as post init event
fnb.PostInit(func(nodeConfig *NodeConfig) error {
nodeInfoMetrics := metrics.NewNodeInfoCollector()
protocolVersion, err := fnb.RootSnapshot.Params().ProtocolVersion()
if err != nil {
return fmt.Errorf("could not query root snapshoot protocol version: %w", err)
}
nodeInfoMetrics.NodeInfo(build.Semver(), build.Commit(), nodeConfig.SporkID.String(), protocolVersion)
return nil
})
}
return nil
}
func (fnb *FlowNodeBuilder) createGCEProfileUploader(client *gcemd.Client, opts ...option.ClientOption) (profiler.Uploader, error) {
projectID, err := client.ProjectID()
if err != nil {
return &profiler.NoopUploader{}, fmt.Errorf("failed to get project ID: %w", err)
}
instance, err := client.InstanceID()
if err != nil {
return &profiler.NoopUploader{}, fmt.Errorf("failed to get instance ID: %w", err)
}
chainID := fnb.RootChainID.String()
if chainID == "" {
fnb.Logger.Warn().Msg("RootChainID is not set, using default value")
chainID = "unknown"
}
params := profiler.Params{
ProjectID: projectID,
ChainID: chainID,
Role: fnb.NodeConfig.NodeRole,
Version: build.Semver(),
Commit: build.Commit(),
Instance: instance,
}
fnb.Logger.Info().Msgf("creating pprof profile uploader with params: %+v", params)
return profiler.NewUploader(fnb.Logger, params, opts...)
}
func (fnb *FlowNodeBuilder) createProfileUploader() (profiler.Uploader, error) {
switch {
case fnb.BaseConfig.profilerConfig.UploaderEnabled && gcemd.OnGCE():
return fnb.createGCEProfileUploader(gcemd.NewClient(nil))
default:
fnb.Logger.Info().Msg("not running on GCE, setting pprof uploader to noop")
return &profiler.NoopUploader{}, nil
}
}
func (fnb *FlowNodeBuilder) initProfiler() error {
uploader, err := fnb.createProfileUploader()
if err != nil {
fnb.Logger.Warn().Err(err).Msg("failed to create pprof uploader, falling back to noop")
uploader = &profiler.NoopUploader{}
}
profiler, err := profiler.New(fnb.Logger, uploader, fnb.BaseConfig.profilerConfig)
if err != nil {
return fmt.Errorf("could not initialize profiler: %w", err)
}
// register the enabled state of the profiler for dynamic configuring
err = fnb.ConfigManager.RegisterBoolConfig("profiler-enabled", profiler.Enabled, profiler.SetEnabled)
if err != nil {
return fmt.Errorf("could not register profiler-enabled config: %w", err)
}
err = fnb.ConfigManager.RegisterDurationConfig(
"profiler-trigger",
func() time.Duration { return fnb.BaseConfig.profilerConfig.Duration },
func(d time.Duration) error { return profiler.TriggerRun(d) },
)
if err != nil {
return fmt.Errorf("could not register profiler-trigger config: %w", err)
}
err = fnb.ConfigManager.RegisterUintConfig(
"profiler-set-mem-profile-rate",
func() uint { return uint(runtime.MemProfileRate) },
func(r uint) error { runtime.MemProfileRate = int(r); return nil },
)
if err != nil {
return fmt.Errorf("could not register profiler-set-mem-profile-rate setting: %w", err)
}
// There is no way to get the current block profile rate so we keep track of it ourselves.
currentRate := new(uint)
err = fnb.ConfigManager.RegisterUintConfig(
"profiler-set-block-profile-rate",
func() uint { return *currentRate },
func(r uint) error { currentRate = &r; runtime.SetBlockProfileRate(int(r)); return nil },
)
if err != nil {
return fmt.Errorf("could not register profiler-set-block-profile-rate setting: %w", err)
}
err = fnb.ConfigManager.RegisterUintConfig(
"profiler-set-mutex-profile-fraction",
func() uint { return uint(runtime.SetMutexProfileFraction(-1)) },
func(r uint) error { _ = runtime.SetMutexProfileFraction(int(r)); return nil },
)
if err != nil {
return fmt.Errorf("could not register profiler-set-mutex-profile-fraction setting: %w", err)
}
// registering as a DependableComponent with no dependencies so that it's started immediately on startup
// without being blocked by other component's Ready()
fnb.DependableComponent("profiler", func(node *NodeConfig) (module.ReadyDoneAware, error) {
return profiler, nil
}, NewDependencyList())
return nil
}
func (fnb *FlowNodeBuilder) initDB() error {
// if a db has been passed in, use that instead of creating one
if fnb.BaseConfig.db != nil {
fnb.DB = fnb.BaseConfig.db
return nil
}
// Pre-create DB path (Badger creates only one-level dirs)
err := os.MkdirAll(fnb.BaseConfig.datadir, 0700)
if err != nil {
return fmt.Errorf("could not create datadir (path: %s): %w", fnb.BaseConfig.datadir, err)
}
log := sutil.NewLogger(fnb.Logger)
// we initialize the database with options that allow us to keep the maximum
// item size in the trie itself (up to 1MB) and where we keep all level zero
// tables in-memory as well; this slows down compaction and increases memory
// usage, but it improves overall performance and disk i/o
opts := badger.
DefaultOptions(fnb.BaseConfig.datadir).
WithKeepL0InMemory(true).
WithLogger(log).
// the ValueLogFileSize option specifies how big the value of a
// key-value pair is allowed to be saved into badger.
// exceeding this limit, will fail with an error like this:
// could not store data: Value with size <xxxx> exceeded 1073741824 limit
// Maximum value size is 10G, needed by execution node
// TODO: finding a better max value for each node type
WithValueLogFileSize(128 << 23).
WithValueLogMaxEntries(100000) // Default is 1000000
publicDB, err := bstorage.InitPublic(opts)
if err != nil {
return fmt.Errorf("could not open public db: %w", err)
}
fnb.DB = publicDB
fnb.ShutdownFunc(func() error {
if err := fnb.DB.Close(); err != nil {
return fmt.Errorf("error closing protocol database: %w", err)
}
return nil
})
fnb.Component("badger log cleaner", func(node *NodeConfig) (module.ReadyDoneAware, error) {
return bstorage.NewCleaner(node.Logger, node.DB, node.Metrics.CleanCollector, flow.DefaultValueLogGCWaitDuration), nil
})
return nil
}
func (fnb *FlowNodeBuilder) initSecretsDB() error {
// if the secrets DB is disabled (only applicable for Consensus Follower,
// which makes use of this same logic), skip this initialization
if !fnb.BaseConfig.secretsDBEnabled {
return nil
}
if fnb.BaseConfig.secretsdir == NotSet {
return fmt.Errorf("missing required flag '--secretsdir'")
}
err := os.MkdirAll(fnb.BaseConfig.secretsdir, 0700)
if err != nil {
return fmt.Errorf("could not create secrets db dir (path: %s): %w", fnb.BaseConfig.secretsdir, err)
}
log := sutil.NewLogger(fnb.Logger)
opts := badger.DefaultOptions(fnb.BaseConfig.secretsdir).WithLogger(log)
// NOTE: SN nodes need to explicitly set --insecure-secrets-db to true in order to
// disable secrets database encryption
if fnb.NodeRole == flow.RoleConsensus.String() && fnb.InsecureSecretsDB {
fnb.Logger.Warn().Msg("starting with secrets database encryption disabled")
} else {
encryptionKey, err := loadSecretsEncryptionKey(fnb.BootstrapDir, fnb.NodeID)
if errors.Is(err, os.ErrNotExist) {
if fnb.NodeRole == flow.RoleConsensus.String() {
// missing key is a fatal error for SN nodes
return fmt.Errorf("secrets db encryption key not found: %w", err)
}
fnb.Logger.Warn().Msg("starting with secrets database encryption disabled")
} else if err != nil {
return fmt.Errorf("failed to read secrets db encryption key: %w", err)
} else {
opts = opts.WithEncryptionKey(encryptionKey)
}
}
secretsDB, err := bstorage.InitSecret(opts)
if err != nil {
return fmt.Errorf("could not open secrets db: %w", err)
}
fnb.SecretsDB = secretsDB
fnb.ShutdownFunc(func() error {
if err := fnb.SecretsDB.Close(); err != nil {
return fmt.Errorf("error closing secrets database: %w", err)
}
return nil
})
return nil
}
func (fnb *FlowNodeBuilder) initStorage() error {
// in order to void long iterations with big keys when initializing with an
// already populated database, we bootstrap the initial maximum key size
// upon starting
err := operation.RetryOnConflict(fnb.DB.Update, func(tx *badger.Txn) error {
return operation.InitMax(tx)
})
if err != nil {
return fmt.Errorf("could not initialize max tracker: %w", err)
}
headers := bstorage.NewHeaders(fnb.Metrics.Cache, fnb.DB)