forked from ribasushi/spade
/
metrics.go
473 lines (429 loc) · 11 KB
/
metrics.go
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package main
import (
"context"
"errors"
"fmt"
"sync"
"time"
"github.com/filecoin-project/evergreen-dealer/common"
"github.com/jackc/pgx/v4"
"github.com/prometheus/client_golang/prometheus"
prometheuspush "github.com/prometheus/client_golang/prometheus/push"
"github.com/urfave/cli/v2"
)
type metricType string
var (
metricGauge = metricType("gauge")
metricCounter = metricType("counter")
metricDbTimeout = 30 * time.Minute
workerCount = 24
)
type metricSpec struct {
kind metricType
name string
help string
query string
}
type metricResult struct {
metricSpec
value int64
labels prometheus.Labels
}
var pushMetrics = &cli.Command{
Usage: "Push service metrics to external collectors",
Name: "push-metrics",
Flags: []cli.Flag{},
Action: pushPrometheusMetrics,
}
var metricsList = []metricSpec{
{
kind: metricGauge,
name: "clients_datacap",
help: "Amount of datacap remaining per affiliated client address",
query: `SELECT client_address, datacap_available FROM clients_datacap_available`,
},
{
kind: metricGauge,
name: "active_deals",
help: "Count of filecoin deals made by service",
query: `
SELECT
v.status,
(
SELECT COUNT(*)
FROM published_deals pd
JOIN clients cl USING ( client_id )
JOIN pieces p USING ( piece_cid )
WHERE
pd.status = v.status
AND
cl.is_affiliated
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
)
FROM ( VALUES ('published'), ('active'), ('terminated') ) AS v (status)
`,
},
{
kind: metricGauge,
name: "active_deals_piecebytes",
help: "Raw padded-piece-size of active filecoin deals made by service",
query: `
SELECT
SUM( p.padded_size )
FROM published_deals pd
JOIN clients cl USING ( client_id )
JOIN pieces p USING ( piece_cid )
WHERE
cl.is_affiliated
AND
pd.status = 'active'
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
`,
},
{
kind: metricGauge,
name: "active_deals_piecebytes_per_continent",
help: "Raw padded-piece-size of active filecoin deals made by service per continent",
query: `
SELECT
c.continent,
COALESCE( (
SELECT SUM( p.padded_size )
FROM published_deals pd
JOIN clients cl USING ( client_id )
JOIN providers pr USING ( provider_id )
JOIN pieces p USING ( piece_cid )
WHERE
pr.continent = c.continent
AND
cl.is_affiliated
AND
pd.status = 'active'
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
), 0)
FROM continents() c
`,
},
{
kind: metricGauge,
name: "active_deals_piecebytes_per_spid",
help: "Raw padded-piece-size of active filecoin deals made by service per storage provider",
query: `
SELECT
pd.provider_id,
SUM( p.padded_size )
FROM published_deals pd
JOIN clients cl USING ( client_id )
JOIN providers pr USING ( provider_id )
JOIN pieces p USING ( piece_cid )
WHERE
cl.is_affiliated
AND
pd.status = 'active'
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
GROUP BY
pd.provider_id
`,
},
{
kind: metricGauge,
name: "dataset_unique_piecebytes",
help: "Unique padded piece sizes of entries per dataset",
query: `
SELECT
d.dataset_slug, SUM( p.padded_size )
FROM datasets d
JOIN pieces p USING ( dataset_id )
GROUP BY d.dataset_slug
`,
},
{
kind: metricGauge,
name: "dataset_unique_piecebytes_on_chain_legacy",
help: "Unique padded piece sizes of entries with at least one active on chain deal per dataset group made outside of service",
query: `
WITH
onchain AS (
SELECT p.dataset_id, SUM(p.padded_size) sz
FROM pieces p
WHERE
EXISTS (
SELECT 42
FROM published_deals pd
JOIN clients c USING ( client_id )
WHERE
p.piece_cid = pd.piece_cid
AND
pd.status = 'active'
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
AND
NOT c.is_affiliated
)
AND
NOT EXISTS (
SELECT 42
FROM published_deals pd
JOIN clients c USING ( client_id )
WHERE
p.piece_cid = pd.piece_cid
AND
pd.status = 'active'
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
AND
c.is_affiliated
)
GROUP BY p.dataset_id
)
SELECT
d.dataset_slug, COALESCE( onchain.sz, 0 )
FROM datasets d
JOIN onchain USING ( dataset_id )
`,
},
{
kind: metricGauge,
name: "dataset_unique_piecebytes_on_chain_evergreen",
help: "Unique padded piece sizes of entries with at least one active on chain deal per dataset group made by service",
query: `
WITH
onchain AS (
SELECT p.dataset_id, SUM(p.padded_size) sz
FROM pieces p
WHERE
EXISTS (
SELECT 42
FROM published_deals pd
JOIN clients c USING ( client_id )
WHERE
p.piece_cid = pd.piece_cid
AND
pd.status = 'active'
AND
c.is_affiliated
AND
NOT COALESCE( (p.meta->'inactive')::BOOL, false )
AND
NOT COALESCE( (pd.meta->'inactive')::BOOL, false )
)
GROUP BY p.dataset_id
)
SELECT
d.dataset_slug, COALESCE( onchain.sz, 0 )
FROM datasets d
JOIN onchain USING ( dataset_id )
`,
},
}
func pushPrometheusMetrics(cctx *cli.Context) error {
var countPromCounters, countPromGauges int
defer func() {
log.Infow("prometheus push completed",
"counterMetrics", countPromCounters,
"gaugeMetrics", countPromGauges,
)
}()
jobQueue := make(chan metricSpec, len(metricsList))
for _, m := range metricsList {
jobQueue <- m
}
close(jobQueue)
res := make([]metricResult, 0, 1024)
doneCh := make(chan struct{}, workerCount)
var firstErrorSeen error
var mu sync.Mutex
for i := 0; i < workerCount; i++ {
go func() {
defer func() { doneCh <- struct{}{} }()
for {
m, chanOpen := <-jobQueue
if !chanOpen {
return
}
r, err := gatherMetric(cctx, m)
mu.Lock()
if err != nil {
log.Errorf("failed gathering data for %s, continuing nevertheless: %s ", m.name, err)
if firstErrorSeen == nil {
firstErrorSeen = err
}
} else {
res = append(res, r...)
}
mu.Unlock()
}
}()
}
for workerCount > 0 {
<-doneCh
workerCount--
}
prom := prometheuspush.New(common.PromURL, common.NonAlphanumRun.ReplaceAllString(common.AppName+"_metrics", "_")).
Grouping("instance", common.NonAlphanumRun.ReplaceAllString(common.PromInstance, "_")).
BasicAuth(common.PromUser, common.PromPass)
for _, r := range res {
if r.kind == metricCounter {
countPromCounters++
c := prometheus.NewCounter(prometheus.CounterOpts{Name: r.name, Help: r.help, ConstLabels: r.labels})
c.Add(float64(r.value))
prom.Collector(c)
} else if r.kind == metricGauge {
countPromGauges++
c := prometheus.NewGauge(prometheus.GaugeOpts{Name: r.name, Help: r.help, ConstLabels: r.labels})
c.Set(float64(r.value))
prom.Collector(c)
} else {
return fmt.Errorf("unknown metric kind '%s'", r.kind)
}
}
err := prom.Push()
if err != nil {
return err
}
return firstErrorSeen
}
func gatherMetric(cctx *cli.Context, m metricSpec) ([]metricResult, error) {
ctx := cctx.Context
t0 := time.Now()
var metricTx pgx.Tx
defer func() {
if metricTx != nil {
metricTx.Rollback(context.Background()) //nolint:errcheck
}
}()
msecTOut := metricDbTimeout.Milliseconds()
if metricsConnStr := cctx.String("pg-metrics-connstring"); metricsConnStr != "" {
metricDb, err := pgx.Connect(ctx, metricsConnStr)
if err != nil {
return nil, err
}
defer metricDb.Close(context.Background()) //nolint:errcheck
// separate db - means we can have a connection-wide timeout
if _, err = metricDb.Exec(ctx, fmt.Sprintf(`SET statement_timeout = %d`, msecTOut)); err != nil {
return nil, err
}
metricTx, err = metricDb.BeginTx(ctx, pgx.TxOptions{AccessMode: pgx.ReadOnly})
if err != nil {
return nil, err
}
} else {
var err error
if metricTx, err = common.Db.BeginTx(ctx, pgx.TxOptions{AccessMode: pgx.ReadOnly}); err != nil {
return nil, err
}
// using wider DB - must be tx-local timeout
if _, err = metricTx.Exec(ctx, fmt.Sprintf(`SET LOCAL statement_timeout = %d`, msecTOut)); err != nil {
return nil, err
}
}
rows, err := metricTx.Query(ctx, m.query)
if err != nil {
return nil, err
}
defer rows.Close()
colnames := make([]string, 0, 2)
for _, f := range rows.FieldDescriptions() {
colnames = append(colnames, string(f.Name))
}
if len(colnames) < 1 || len(colnames) > 2 {
return nil, fmt.Errorf("unexpected %d columns in resultset", len(colnames))
}
res := make(map[string]*int64)
if len(colnames) == 1 {
if !rows.Next() {
return nil, errors.New("zero rows in result")
}
var val *int64
if err := rows.Scan(&val); err != nil {
return nil, err
}
if rows.Next() {
return nil, errors.New("unexpectedly received more than one result")
}
res[""] = val
} else {
for rows.Next() {
var group string
var val *int64
if err := rows.Scan(&group, &val); err != nil {
return nil, err
}
res[group] = val
}
}
rows.Close()
if err := rows.Err(); err != nil {
return nil, err
}
took := time.Since(t0).Truncate(time.Millisecond).Seconds()
metricTx.Rollback(context.Background()) //nolint:errcheck
metricTx = nil
ret := make([]metricResult, 0, len(res))
for g, v := range res {
dims := append(
make([][2]string, 0, 2),
[2]string{"instance", common.NonAlphanumRun.ReplaceAllString(common.PromInstance, "_")},
)
labels := make(prometheus.Labels)
if g != "" {
gType := colnames[0]
labels[gType] = g
dims = append(dims, [2]string{gType, g})
}
if m.kind == metricCounter || m.kind == metricGauge {
log.Infow(string(m.kind)+"Evaluated", "name", m.name, "labels", labels, "value", v, "tookSeconds", took)
} else {
return nil, fmt.Errorf("unknown metric kind '%s'", m.kind)
}
if v != nil {
ret = append(
ret,
metricResult{
metricSpec: m,
value: *v,
labels: labels,
},
)
}
_, err = common.Db.Exec(
ctx,
`
INSERT INTO metrics
( name, dimensions, description, value, collection_took_seconds )
VALUES
( $1, $2, $3, $4, $5 )
ON CONFLICT ( name, dimensions ) DO UPDATE SET
description = EXCLUDED.description,
value = EXCLUDED.value,
collection_took_seconds = EXCLUDED.collection_took_seconds,
collected_at = CLOCK_TIMESTAMP()
`,
m.name,
dims,
m.help,
v,
took,
)
if err != nil {
return nil, err
}
}
return ret, nil
}