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feat: register DHT prometheus metrics #9575

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feat: register DHT prometheus metrics #9575

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df32c75
feat: register DHT prometheus metrics
guseggert Jan 21, 2023
a0ba88d
test: port prometheus test to Go
guseggert Apr 8, 2023
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7 changes: 7 additions & 0 deletions cmd/ipfs/daemon.go
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@ import (
"time"

multierror "github.com/hashicorp/go-multierror"
"go.opencensus.io/stats/view"

version "github.com/ipfs/kubo"
utilmain "github.com/ipfs/kubo/cmd/ipfs/util"
Expand All @@ -30,6 +31,7 @@ import (
fsrepo "github.com/ipfs/kubo/repo/fsrepo"
"github.com/ipfs/kubo/repo/fsrepo/migrations"
"github.com/ipfs/kubo/repo/fsrepo/migrations/ipfsfetcher"
dhtmetrics "github.com/libp2p/go-libp2p-kad-dht/metrics"
p2pcrypto "github.com/libp2p/go-libp2p/core/crypto"
pnet "github.com/libp2p/go-libp2p/core/pnet"
sockets "github.com/libp2p/go-socket-activation"
Expand Down Expand Up @@ -436,6 +438,11 @@ func daemonFunc(req *cmds.Request, re cmds.ResponseEmitter, env cmds.Environment
return fmt.Errorf("unrecognized routing option: %s", routingOption)
}

err = view.Register(dhtmetrics.DefaultViews...)
if err != nil {
return fmt.Errorf("registering Prometheus view for DHT: %w", err)
}

agentVersionSuffixString, _ := req.Options[agentVersionSuffix].(string)
if agentVersionSuffixString != "" {
version.SetUserAgentSuffix(agentVersionSuffixString)
Expand Down
2 changes: 1 addition & 1 deletion go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -65,6 +65,7 @@ require (
github.com/pbnjay/memory v0.0.0-20210728143218-7b4eea64cf58
github.com/pkg/errors v0.9.1
github.com/prometheus/client_golang v1.14.0
github.com/prometheus/common v0.42.0
github.com/stretchr/testify v1.8.2
github.com/syndtr/goleveldb v1.0.1-0.20210819022825-2ae1ddf74ef7
github.com/tidwall/gjson v1.14.4
Expand Down Expand Up @@ -179,7 +180,6 @@ require (
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/polydawn/refmt v0.89.0 // indirect
github.com/prometheus/client_model v0.3.0 // indirect
github.com/prometheus/common v0.42.0 // indirect
github.com/prometheus/procfs v0.9.0 // indirect
github.com/prometheus/statsd_exporter v0.22.7 // indirect
github.com/quic-go/qpack v0.4.0 // indirect
Expand Down
277 changes: 277 additions & 0 deletions test/cli/prometheus_test.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,277 @@
package cli

import (
"strings"
"testing"
"time"

"github.com/ipfs/kubo/config"
"github.com/ipfs/kubo/test/cli/harness"
"github.com/ipfs/kubo/test/cli/testutils"
"github.com/prometheus/common/expfmt"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)

var metricsRcmgrFamilies = map[string]bool{
"libp2p_rcmgr_memory_allocations_allowed_total": true,
"libp2p_rcmgr_memory_allocations_blocked_total": true,
"libp2p_rcmgr_peer_blocked_total": true,
"libp2p_rcmgr_peers_allowed_total": true,
}

var metricsDefaultFamilies = map[string]bool{
"flatfs_datastore_batchcommit_errors_total": true,
"flatfs_datastore_batchcommit_latency_seconds": true,
"flatfs_datastore_batchcommit_total": true,
"flatfs_datastore_batchdelete_errors_total": true,
"flatfs_datastore_batchdelete_latency_seconds": true,
"flatfs_datastore_batchdelete_total": true,
"flatfs_datastore_batchput_errors_total": true,
"flatfs_datastore_batchput_latency_seconds": true,
"flatfs_datastore_batchput_size_bytes": true,
"flatfs_datastore_batchput_total": true,
"flatfs_datastore_check_errors_total": true,
"flatfs_datastore_check_latency_seconds": true,
"flatfs_datastore_check_total": true,
"flatfs_datastore_delete_errors_total": true,
"flatfs_datastore_delete_latency_seconds": true,
"flatfs_datastore_delete_total": true,
"flatfs_datastore_du_errors_total": true,
"flatfs_datastore_du_latency_seconds": true,
"flatfs_datastore_du_total": true,
"flatfs_datastore_gc_errors_total": true,
"flatfs_datastore_gc_latency_seconds": true,
"flatfs_datastore_gc_total": true,
"flatfs_datastore_get_errors_total": true,
"flatfs_datastore_get_latency_seconds": true,
"flatfs_datastore_get_size_bytes": true,
"flatfs_datastore_get_total": true,
"flatfs_datastore_getsize_errors_total": true,
"flatfs_datastore_getsize_latency_seconds": true,
"flatfs_datastore_getsize_total": true,
"flatfs_datastore_has_errors_total": true,
"flatfs_datastore_has_latency_seconds": true,
"flatfs_datastore_has_total": true,
"flatfs_datastore_put_errors_total": true,
"flatfs_datastore_put_latency_seconds": true,
"flatfs_datastore_put_size_bytes": true,
"flatfs_datastore_put_total": true,
"flatfs_datastore_query_errors_total": true,
"flatfs_datastore_query_latency_seconds": true,
"flatfs_datastore_query_total": true,
"flatfs_datastore_scrub_errors_total": true,
"flatfs_datastore_scrub_latency_seconds": true,
"flatfs_datastore_scrub_total": true,
"flatfs_datastore_sync_errors_total": true,
"flatfs_datastore_sync_latency_seconds": true,
"flatfs_datastore_sync_total": true,
"go_gc_duration_seconds": true,
"go_goroutines": true,
"go_info": true,
"go_memstats_alloc_bytes": true,
"go_memstats_alloc_bytes_total": true,
"go_memstats_buck_hash_sys_bytes": true,
"go_memstats_frees_total": true,
"go_memstats_gc_sys_bytes": true,
"go_memstats_heap_alloc_bytes": true,
"go_memstats_heap_idle_bytes": true,
"go_memstats_heap_inuse_bytes": true,
"go_memstats_heap_objects": true,
"go_memstats_heap_released_bytes": true,
"go_memstats_heap_sys_bytes": true,
"go_memstats_last_gc_time_seconds": true,
"go_memstats_lookups_total": true,
"go_memstats_mallocs_total": true,
"go_memstats_mcache_inuse_bytes": true,
"go_memstats_mcache_sys_bytes": true,
"go_memstats_mspan_inuse_bytes": true,
"go_memstats_mspan_sys_bytes": true,
"go_memstats_next_gc_bytes": true,
"go_memstats_other_sys_bytes": true,
"go_memstats_stack_inuse_bytes": true,
"go_memstats_stack_sys_bytes": true,
"go_memstats_sys_bytes": true,
"go_threads": true,
"ipfs_bitswap_active_block_tasks": true,
"ipfs_bitswap_active_tasks": true,
"ipfs_bitswap_pending_block_tasks": true,
"ipfs_bitswap_pending_tasks": true,
"ipfs_bitswap_recv_all_blocks_bytes": true,
"ipfs_bitswap_recv_dup_blocks_bytes": true,
"ipfs_bitswap_send_times": true,
"ipfs_bitswap_sent_all_blocks_bytes": true,
"ipfs_bitswap_want_blocks_total": true,
"ipfs_bitswap_wantlist_total": true,
"ipfs_bs_cache_arc_hits_total": true,
"ipfs_bs_cache_arc_total": true,
"ipfs_fsrepo_datastore_batchcommit_errors_total": true,
"ipfs_fsrepo_datastore_batchcommit_latency_seconds": true,
"ipfs_fsrepo_datastore_batchcommit_total": true,
"ipfs_fsrepo_datastore_batchdelete_errors_total": true,
"ipfs_fsrepo_datastore_batchdelete_latency_seconds": true,
"ipfs_fsrepo_datastore_batchdelete_total": true,
"ipfs_fsrepo_datastore_batchput_errors_total": true,
"ipfs_fsrepo_datastore_batchput_latency_seconds": true,
"ipfs_fsrepo_datastore_batchput_size_bytes": true,
"ipfs_fsrepo_datastore_batchput_total": true,
"ipfs_fsrepo_datastore_check_errors_total": true,
"ipfs_fsrepo_datastore_check_latency_seconds": true,
"ipfs_fsrepo_datastore_check_total": true,
"ipfs_fsrepo_datastore_delete_errors_total": true,
"ipfs_fsrepo_datastore_delete_latency_seconds": true,
"ipfs_fsrepo_datastore_delete_total": true,
"ipfs_fsrepo_datastore_du_errors_total": true,
"ipfs_fsrepo_datastore_du_latency_seconds": true,
"ipfs_fsrepo_datastore_du_total": true,
"ipfs_fsrepo_datastore_gc_errors_total": true,
"ipfs_fsrepo_datastore_gc_latency_seconds": true,
"ipfs_fsrepo_datastore_gc_total": true,
"ipfs_fsrepo_datastore_get_errors_total": true,
"ipfs_fsrepo_datastore_get_latency_seconds": true,
"ipfs_fsrepo_datastore_get_size_bytes": true,
"ipfs_fsrepo_datastore_get_total": true,
"ipfs_fsrepo_datastore_getsize_errors_total": true,
"ipfs_fsrepo_datastore_getsize_latency_seconds": true,
"ipfs_fsrepo_datastore_getsize_total": true,
"ipfs_fsrepo_datastore_has_errors_total": true,
"ipfs_fsrepo_datastore_has_latency_seconds": true,
"ipfs_fsrepo_datastore_has_total": true,
"ipfs_fsrepo_datastore_put_errors_total": true,
"ipfs_fsrepo_datastore_put_latency_seconds": true,
"ipfs_fsrepo_datastore_put_size_bytes": true,
"ipfs_fsrepo_datastore_put_total": true,
"ipfs_fsrepo_datastore_query_errors_total": true,
"ipfs_fsrepo_datastore_query_latency_seconds": true,
"ipfs_fsrepo_datastore_query_total": true,
"ipfs_fsrepo_datastore_scrub_errors_total": true,
"ipfs_fsrepo_datastore_scrub_latency_seconds": true,
"ipfs_fsrepo_datastore_scrub_total": true,
"ipfs_fsrepo_datastore_sync_errors_total": true,
"ipfs_fsrepo_datastore_sync_latency_seconds": true,
"ipfs_fsrepo_datastore_sync_total": true,
"ipfs_http_request_duration_seconds": true,
"ipfs_http_request_size_bytes": true,
"ipfs_http_requests_total": true,
"ipfs_http_response_size_bytes": true,
"ipfs_info": true,
"leveldb_datastore_batchcommit_errors_total": true,
"leveldb_datastore_batchcommit_latency_seconds": true,
"leveldb_datastore_batchcommit_total": true,
"leveldb_datastore_batchdelete_errors_total": true,
"leveldb_datastore_batchdelete_latency_seconds": true,
"leveldb_datastore_batchdelete_total": true,
"leveldb_datastore_batchput_errors_total": true,
"leveldb_datastore_batchput_latency_seconds": true,
"leveldb_datastore_batchput_size_bytes": true,
"leveldb_datastore_batchput_total": true,
"leveldb_datastore_check_errors_total": true,
"leveldb_datastore_check_latency_seconds": true,
"leveldb_datastore_check_total": true,
"leveldb_datastore_delete_errors_total": true,
"leveldb_datastore_delete_latency_seconds": true,
"leveldb_datastore_delete_total": true,
"leveldb_datastore_du_errors_total": true,
"leveldb_datastore_du_latency_seconds": true,
"leveldb_datastore_du_total": true,
"leveldb_datastore_gc_errors_total": true,
"leveldb_datastore_gc_latency_seconds": true,
"leveldb_datastore_gc_total": true,
"leveldb_datastore_get_errors_total": true,
"leveldb_datastore_get_latency_seconds": true,
"leveldb_datastore_get_size_bytes": true,
"leveldb_datastore_get_total": true,
"leveldb_datastore_getsize_errors_total": true,
"leveldb_datastore_getsize_latency_seconds": true,
"leveldb_datastore_getsize_total": true,
"leveldb_datastore_has_errors_total": true,
"leveldb_datastore_has_latency_seconds": true,
"leveldb_datastore_has_total": true,
"leveldb_datastore_put_errors_total": true,
"leveldb_datastore_put_latency_seconds": true,
"leveldb_datastore_put_size_bytes": true,
"leveldb_datastore_put_total": true,
"leveldb_datastore_query_errors_total": true,
"leveldb_datastore_query_latency_seconds": true,
"leveldb_datastore_query_total": true,
"leveldb_datastore_scrub_errors_total": true,
"leveldb_datastore_scrub_latency_seconds": true,
"leveldb_datastore_scrub_total": true,
"leveldb_datastore_sync_errors_total": true,
"leveldb_datastore_sync_latency_seconds": true,
"leveldb_datastore_sync_total": true,
"libp2p_autonat_next_probe_timestamp": true,
"libp2p_autonat_reachability_status": true,
"libp2p_autonat_reachability_status_confidence": true,
"libp2p_autorelay_candidate_loop_state": true,
"libp2p_autorelay_candidates_circuit_v2_support_total": true,
"libp2p_autorelay_desired_reservations": true,
"libp2p_autorelay_relay_addresses_count": true,
"libp2p_autorelay_relay_addresses_updated_total": true,
"libp2p_autorelay_reservation_requests_outcome_total": true,
"libp2p_autorelay_reservations_closed_total": true,
"libp2p_autorelay_reservations_opened_total": true,
"libp2p_autorelay_status": true,
"libp2p_eventbus_events_emitted_total": true,
"libp2p_eventbus_subscriber_event_queued": true,
"libp2p_eventbus_subscriber_queue_full": true,
"libp2p_eventbus_subscriber_queue_length": true,
"libp2p_eventbus_subscribers_total": true,
"libp2p_identify_addrs_count": true,
"libp2p_identify_addrs_received": true,
"libp2p_identify_identify_pushes_triggered_total": true,
"libp2p_identify_protocols_count": true,
"libp2p_identify_protocols_received": true,
"libp2p_relaysvc_connection_duration_seconds": true,
"libp2p_relaysvc_data_transferred_bytes_total": true,
"libp2p_relaysvc_status": true,
}

func TestPrometheusMetrics(t *testing.T) {
fetchMetricFamilies := func(n *harness.Node) map[string]bool {
resp := n.APIClient().Get("/debug/metrics/prometheus")
parser := &expfmt.TextParser{}
fams, err := parser.TextToMetricFamilies(strings.NewReader(resp.Body))
require.NoError(t, err)
names := map[string]bool{}
for k := range fams {
names[k] = true
}
return names
}

assertMetricsEventuallyContainOnly := func(n *harness.Node, m map[string]bool) {
missing := &[]string{}
assert.Eventuallyf(t, func() bool {
*missing = make([]string, 0)
fams := fetchMetricFamilies(n)
for fam := range m {
_, ok := fams[fam]
if !ok {
*missing = append(*missing, fam)
}
}
if len(*missing) > 0 {
return false
}
return len(fams) == len(m)
}, 20*time.Second, 100*time.Millisecond, "expected metrics: %v", missing)
}

t.Run("default configuration", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init().StartDaemon()
expectedFams := testutils.SetUnion(metricsDefaultFamilies, metricsRcmgrFamilies)
assertMetricsEventuallyContainOnly(node, expectedFams)
})

t.Run("resource manager disabled, should not contain rcmgr metrics", func(t *testing.T) {
t.Parallel()
node := harness.NewT(t).NewNode().Init()
node.UpdateConfig(func(cfg *config.Config) {
cfg.Swarm.ResourceMgr.Enabled = config.False
})
node.StartDaemon()
assertMetricsEventuallyContainOnly(node, metricsDefaultFamilies)
})
}
11 changes: 11 additions & 0 deletions test/cli/testutils/set.go
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Original file line number Diff line number Diff line change
@@ -0,0 +1,11 @@
package testutils

func SetUnion[T comparable](sets ...map[T]bool) map[T]bool {
newM := map[T]bool{}
for _, s := range sets {
for k, v := range s {
newM[k] = v
}
}
return newM
}