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/
ingeststore.go
448 lines (433 loc) · 15.9 KB
/
ingeststore.go
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package main
import (
"flag"
"fmt"
"net"
"net/http"
"os"
"strings"
"time"
"github.com/go-kit/kit/log"
level "github.com/go-kit/kit/log/experimental_level"
"github.com/pkg/errors"
"github.com/prometheus/client_golang/prometheus"
"github.com/oklog/oklog/pkg/cluster"
"github.com/oklog/oklog/pkg/fs"
"github.com/oklog/oklog/pkg/group"
"github.com/oklog/oklog/pkg/ingest"
"github.com/oklog/oklog/pkg/store"
)
func runIngestStore(args []string) error {
flagset := flag.NewFlagSet("ingeststore", flag.ExitOnError)
var (
apiAddr = flagset.String("api", defaultAPIAddr, "listen address for ingest and store APIs")
fastAddr = flagset.String("ingest.fast", defaultFastAddr, "listen address for fast (async) writes")
durableAddr = flagset.String("ingest.durable", defaultDurableAddr, "listen address for durable (sync) writes")
bulkAddr = flagset.String("ingest.bulk", defaultBulkAddr, "listen address for bulk (whole-segment) writes")
clusterAddr = flagset.String("cluster", defaultClusterAddr, "listen address for cluster")
ingestPath = flagset.String("ingest.path", defaultIngestPath, "path holding segment files for ingest tier")
segmentFlushSize = flagset.Int("ingest.segment-flush-size", defaultIngestSegmentFlushSize, "flush segments after they grow to this size")
segmentFlushAge = flagset.Duration("ingest.segment-flush-age", defaultIngestSegmentFlushAge, "flush segments after they are active for this long")
segmentPendingTimeout = flagset.Duration("ingest.segment-pending-timeout", defaultIngestSegmentPendingTimeout, "claimed but uncommitted pending segments are failed after this long")
storePath = flagset.String("store.path", defaultStorePath, "path holding segment files for storage tier")
segmentConsumers = flagset.Int("store.segment-consumers", defaultStoreSegmentConsumers, "concurrent segment consumers")
segmentTargetSize = flagset.Int64("store.segment-target-size", defaultStoreSegmentTargetSize, "try to keep store segments about this size")
segmentTargetAge = flagset.Duration("store.segment-target-age", defaultStoreSegmentTargetAge, "replicate once the aggregate segment is this old")
segmentBufferSize = flagset.Int64("store.segment-buffer-size", defaultStoreSegmentBufferSize, "per-segment in-memory read buffer during queries")
segmentReplicationFactor = flagset.Int("store.segment-replication-factor", defaultStoreSegmentReplicationFactor, "how many copies of each segment to replicate")
segmentRetain = flagset.Duration("store.segment-retain", defaultStoreSegmentRetain, "retention period for segment files")
segmentPurge = flagset.Duration("store.segment-purge", defaultStoreSegmentPurge, "purge deleted segment files after this long")
filesystem = flagset.String("filesystem", defaultFilesystem, "real, real-mmap, virtual, nop")
clusterPeers = stringset{}
)
flagset.Var(&clusterPeers, "peer", "cluster peer host:port (repeatable)")
flagset.Usage = usageFor(flagset, "oklog ingeststore [flags]")
if err := flagset.Parse(args); err != nil {
return err
}
// +-1----------------+ +-2----------+ +-1----------+ +-1---------+ +-1-----+
// | Fast listener |<--| Write |-->| ingest.Log | | store.Log | | Peer |
// +------------------+ | handler | +------------+ +-----------+ +-------+
// +-1----------------+ | | ^ ^ ^ ^ ^ ^ ^
// | Durable listener |<--| | | | | | | | |
// +------------------+ | | | | | | | | |
// +-1----------------+ | | | | | | | | |
// | Bulk listener |<--| | | | | | | | |
// +------------------+ +------------+ | | | | | | |
// +-1----------------+ +-2----------+ | | | | | | |
// | API listener |<--| Ingest API |---------' | | | | | |
// | | | |------------------------------------' | |
// | | +------------+ | | | | |
// | | +-2----------+ | | | | |
// | |<--| Store API |----------------------' | | | |
// | | | |--------------------------------------' |
// +------------------+ +------------+ | | |
// +-2----------+ | | |
// | Compacter |------------------------' | |
// +------------+ | |
// +-2----------+ | |
// | Consumer |--------------------------' |
// | |----------------------------------------'
// +------------+
// Logging.
var logger log.Logger
logger = log.NewLogfmtLogger(os.Stderr)
logger = log.NewContext(logger).With("ts", log.DefaultTimestampUTC)
logger = level.New(logger, level.Config{Allowed: level.AllowAll()})
// Instrumentation.
connectedClients := prometheus.NewGaugeVec(prometheus.GaugeOpts{
Namespace: "oklog",
Name: "connected_clients",
Help: "Number of currently connected clients by modality.",
}, []string{"modality"})
ingestWriterBytes := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_writer_bytes_written_total",
Help: "The total number of bytes written.",
})
ingestWriterRecords := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_writer_records_written_total",
Help: "The total number of records written.",
})
ingestWriterSyncs := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_writer_syncs_total",
Help: "The number of times an active segment is explicitly fsynced.",
})
ingestWriterRotations := prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_writer_flushes_total",
Help: "The number of times an active segment is flushed.",
}, []string{"reason"})
flushedSegmentAge := prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "oklog",
Name: "ingest_segment_flush_age_seconds",
Help: "Age of segment when flushed in seconds.",
Buckets: prometheus.DefBuckets,
})
flushedSegmentSize := prometheus.NewHistogram(prometheus.HistogramOpts{
Namespace: "oklog",
Name: "ingest_segment_flush_size_bytes",
Help: "Size of active segment when flushed in bytes.",
Buckets: []float64{1 << 14, 1 << 15, 1 << 16, 1 << 17, 1 << 18, 1 << 19, 1 << 20, 1 << 21, 1 << 22, 1 << 23, 1 << 24},
})
failedSegments := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_failed_segments",
Help: "Segments consumed, but failed and returned to flushed.",
})
committedSegments := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_committed_segments",
Help: "Segments successfully consumed and committed.",
})
committedBytes := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "ingest_committed_bytes",
Help: "Bytes successfully consumed and committed.",
})
compactDuration := prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "oklog",
Name: "store_compact_duration_seconds",
Help: "Duration of each compaction in seconds.",
Buckets: prometheus.DefBuckets,
}, []string{"kind", "compacted", "result"})
consumedSegments := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "store_consumed_segments",
Help: "Segments consumed from ingest nodes.",
})
consumedBytes := prometheus.NewCounter(prometheus.CounterOpts{
Namespace: "oklog",
Name: "store_consumed_bytes",
Help: "Bytes consumed from ingest nodes.",
})
replicatedSegments := prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "oklog",
Name: "store_replicated_segments",
Help: "Segments replicated, by direction i.e. ingress or egress.",
}, []string{"direction"})
replicatedBytes := prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "oklog",
Name: "store_replicated_bytes",
Help: "Segments replicated, by direction i.e. ingress or egress.",
}, []string{"direction"})
trashedSegments := prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "oklog",
Name: "store_trashed_segments",
Help: "Segments moved to trash.",
}, []string{"success"})
purgedSegments := prometheus.NewCounterVec(prometheus.CounterOpts{
Namespace: "oklog",
Name: "store_purged_segments",
Help: "Segments purged from trash.",
}, []string{"success"})
apiDuration := prometheus.NewHistogramVec(prometheus.HistogramOpts{
Namespace: "oklog",
Name: "api_request_duration_seconds",
Help: "API request duration in seconds.",
Buckets: prometheus.DefBuckets,
}, []string{"method", "path", "status_code"})
prometheus.MustRegister(
connectedClients,
ingestWriterBytes,
ingestWriterRecords,
ingestWriterSyncs,
ingestWriterRotations,
flushedSegmentAge,
flushedSegmentSize,
failedSegments,
committedSegments,
committedBytes,
compactDuration,
consumedSegments,
consumedBytes,
replicatedSegments,
replicatedBytes,
trashedSegments,
purgedSegments,
apiDuration,
)
// Parse listener addresses.
fastNetwork, fastAddress, _, _, err := parseAddr(*fastAddr, defaultFastPort)
if err != nil {
return err
}
durableNetwork, durableAddress, _, _, err := parseAddr(*durableAddr, defaultDurablePort)
if err != nil {
return err
}
bulkNetwork, bulkAddress, _, _, err := parseAddr(*bulkAddr, defaultBulkPort)
if err != nil {
return err
}
apiNetwork, apiAddress, _, apiPort, err := parseAddr(*apiAddr, defaultAPIPort)
if err != nil {
return err
}
_, _, clusterHost, clusterPort, err := parseAddr(*clusterAddr, defaultClusterPort)
if err != nil {
return err
}
level.Info(logger).Log("cluster", fmt.Sprintf("%s:%d", clusterHost, clusterPort))
// Safety warning.
if hasNonlocal(clusterPeers) && isUnroutable(clusterHost) {
level.Warn(logger).Log("err", "this node advertises itself on an unroutable address", "addr", clusterHost)
level.Warn(logger).Log("err", "this node will be unreachable in the cluster")
level.Warn(logger).Log("err", "provide -cluster as a routable IP address or hostname")
}
// Bind listeners.
fastListener, err := net.Listen(fastNetwork, fastAddress)
if err != nil {
return err
}
level.Info(logger).Log("fast", fmt.Sprintf("%s://%s", fastNetwork, fastAddress))
durableListener, err := net.Listen(durableNetwork, durableAddress)
if err != nil {
return err
}
level.Info(logger).Log("durable", fmt.Sprintf("%s://%s", durableNetwork, durableAddress))
bulkListener, err := net.Listen(bulkNetwork, bulkAddress)
if err != nil {
return err
}
level.Info(logger).Log("bulk", fmt.Sprintf("%s://%s", bulkNetwork, bulkAddress))
apiListener, err := net.Listen(apiNetwork, apiAddress)
if err != nil {
return err
}
level.Info(logger).Log("API", fmt.Sprintf("%s://%s", apiNetwork, apiAddress))
// Create ingestlog.
var fsys fs.Filesystem
switch strings.ToLower(*filesystem) {
case "real":
fsys = fs.NewRealFilesystem(false)
case "real-mmap":
fsys = fs.NewRealFilesystem(true)
case "virtual":
fsys = fs.NewVirtualFilesystem()
case "nop":
fsys = fs.NewNopFilesystem()
default:
return errors.Errorf("invalid -filesystem %q", *filesystem)
}
ingestLog, err := ingest.NewFileLog(fsys, *ingestPath)
if err != nil {
return err
}
defer func() {
if err := ingestLog.Close(); err != nil {
level.Error(logger).Log("err", err)
}
}()
level.Info(logger).Log("ingest_path", *ingestPath)
// Create storelog.
storeLog, err := store.NewFileLog(fsys, *storePath, *segmentTargetSize, *segmentBufferSize)
if err != nil {
return err
}
defer func() {
if err := storeLog.Close(); err != nil {
level.Error(logger).Log("err", err)
}
}()
level.Info(logger).Log("store_path", *storePath)
// Create peer.
peer, err := cluster.NewPeer(
clusterHost, clusterPort,
clusterPeers.slice(),
cluster.PeerTypeIngestStore, apiPort,
log.NewContext(logger).With("component", "cluster"),
)
if err != nil {
return err
}
prometheus.MustRegister(prometheus.NewGaugeFunc(prometheus.GaugeOpts{
Namespace: "oklog",
Name: "cluster_size",
Help: "Number of peers in the cluster from this node's perspective.",
}, func() float64 { return float64(peer.ClusterSize()) }))
// Create the HTTP client we'll use for various purposes.
// TODO(pb): audit to see if we need purpose-built clients
httpClient := &http.Client{
Transport: &http.Transport{
Proxy: http.ProxyFromEnvironment,
ResponseHeaderTimeout: 5 * time.Second,
Dial: (&net.Dialer{
Timeout: 10 * time.Second,
KeepAlive: 30 * time.Second,
}).Dial,
TLSHandshakeTimeout: 10 * time.Second,
DisableKeepAlives: false,
MaxIdleConnsPerHost: 1,
},
}
// Execution group.
var g group.Group
{
cancel := make(chan struct{})
g.Add(func() error {
<-cancel
return peer.Leave(time.Second)
}, func(error) {
close(cancel)
})
}
{
g.Add(func() error {
return ingest.HandleConnections(
fastListener,
ingest.HandleFastWriter,
ingestLog,
*segmentFlushAge, *segmentFlushSize,
connectedClients.WithLabelValues("fast"),
ingestWriterBytes, ingestWriterRecords, ingestWriterSyncs,
flushedSegmentAge, flushedSegmentSize,
)
}, func(error) {
fastListener.Close()
})
g.Add(func() error {
return ingest.HandleConnections(
durableListener,
ingest.HandleDurableWriter,
ingestLog,
*segmentFlushAge, *segmentFlushSize,
connectedClients.WithLabelValues("durable"),
ingestWriterBytes, ingestWriterRecords, ingestWriterSyncs,
flushedSegmentAge, flushedSegmentSize,
)
}, func(error) {
durableListener.Close()
})
g.Add(func() error {
return ingest.HandleConnections(
bulkListener,
ingest.HandleBulkWriter,
ingestLog,
*segmentFlushAge, *segmentFlushSize,
connectedClients.WithLabelValues("bulk"),
ingestWriterBytes, ingestWriterRecords, ingestWriterSyncs,
flushedSegmentAge, flushedSegmentSize,
)
}, func(error) {
bulkListener.Close()
})
}
for i := 0; i < *segmentConsumers; i++ {
c := store.NewConsumer(
peer,
httpClient,
*segmentTargetSize,
*segmentTargetAge,
*segmentReplicationFactor,
consumedSegments,
consumedBytes,
replicatedSegments.WithLabelValues("egress"),
replicatedBytes.WithLabelValues("egress"),
log.NewContext(logger).With("component", "Consumer"),
)
g.Add(func() error {
c.Run()
return nil
}, func(error) {
c.Stop()
})
}
{
c := store.NewCompacter(
storeLog,
*segmentTargetSize,
*segmentRetain,
*segmentPurge,
compactDuration,
trashedSegments,
purgedSegments,
log.NewContext(logger).With("component", "Compacter"),
)
g.Add(func() error {
c.Run()
return nil
}, func(error) {
c.Stop()
})
}
{
g.Add(func() error {
mux := http.NewServeMux()
mux.Handle("/ingest/", http.StripPrefix("/ingest", ingest.NewAPI(
peer,
ingestLog,
*segmentPendingTimeout,
failedSegments,
committedSegments,
committedBytes,
apiDuration,
)))
mux.Handle("/store/", http.StripPrefix("/store", store.NewAPI(
peer,
storeLog,
httpClient,
replicatedSegments.WithLabelValues("ingress"),
replicatedBytes.WithLabelValues("ingress"),
apiDuration,
logger,
)))
registerMetrics(mux)
registerProfile(mux)
return http.Serve(apiListener, mux)
}, func(error) {
apiListener.Close()
})
}
{
cancel := make(chan struct{})
g.Add(func() error {
return interrupt(cancel)
}, func(error) {
close(cancel)
})
}
return g.Run()
}