/
indexpackage.go
222 lines (204 loc) · 5.84 KB
/
indexpackage.go
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package postgres
import (
"context"
"fmt"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"github.com/quay/zlog"
"github.com/quay/claircore"
"github.com/quay/claircore/internal/indexer"
"github.com/quay/claircore/pkg/microbatch"
)
var zeroPackage = claircore.Package{}
var (
indexPackageCounter = promauto.NewCounterVec(
prometheus.CounterOpts{
Namespace: "claircore",
Subsystem: "indexer",
Name: "indexpackage_total",
Help: "Total number of database queries issued in the IndexPackage method.",
},
[]string{"query"},
)
indexPackageDuration = promauto.NewHistogramVec(
prometheus.HistogramOpts{
Namespace: "claircore",
Subsystem: "indexer",
Name: "indexpackage_duration_seconds",
Help: "The duration of all queries issued in the IndexPackage method",
},
[]string{"query"},
)
)
// IndexPackages indexes all provided packages along with creating a scan artifact.
//
// If a source package is nested inside a binary package we index the source
// package first and then create a relation between the binary package and
// source package.
//
// Scan artifacts are used to determine if a particular layer has been scanned by a
// particular scanner. See the LayerScanned method for more details.
func (s *store) IndexPackages(ctx context.Context, pkgs []*claircore.Package, layer *claircore.Layer, scnr indexer.VersionedScanner) error {
const (
insert = `
INSERT INTO package (name, kind, version, norm_kind, norm_version, module, arch)
VALUES ($1, $2, $3, $4, $5::int[], $6, $7)
ON CONFLICT (name, kind, version, module, arch) DO NOTHING;
`
insertWith = `
WITH source_package AS (
SELECT id AS source_id
FROM package
WHERE name = $1
AND kind = $2
AND version = $3
AND module = $4
AND arch = $5
),
binary_package AS (
SELECT id AS package_id
FROM package
WHERE name = $6
AND kind = $7
AND version = $8
AND module = $9
AND arch = $10
),
scanner AS (
SELECT id AS scanner_id
FROM scanner
WHERE name = $11
AND version = $12
AND kind = $13
),
layer AS (
SELECT id AS layer_id
FROM layer
WHERE layer.hash = $14
)
INSERT
INTO package_scanartifact (layer_id, package_db, repository_hint, package_id, source_id, scanner_id)
VALUES ((SELECT layer_id FROM layer),
$15,
$16,
(SELECT package_id FROM binary_package),
(SELECT source_id FROM source_package),
(SELECT scanner_id FROM scanner))
ON CONFLICT DO NOTHING;
`
)
ctx = zlog.ContextWithValues(ctx, "component", "internal/indexer/postgres/indexPackages")
// obtain a transaction scoped batch
tctx, done := context.WithTimeout(ctx, 5*time.Second)
tx, err := s.pool.Begin(tctx)
done()
if err != nil {
return fmt.Errorf("store:indexPackage failed to create transaction: %w", err)
}
defer tx.Rollback(ctx)
tctx, done = context.WithTimeout(ctx, 5*time.Second)
insertPackageStmt, err := tx.Prepare(tctx, "insertPackageStmt", insert)
done()
if err != nil {
return fmt.Errorf("failed to create statement: %w", err)
}
tctx, done = context.WithTimeout(ctx, 5*time.Second)
insertPackageScanArtifactWithStmt, err := tx.Prepare(tctx, "insertPackageScanArtifactWith", insertWith)
done()
if err != nil {
return fmt.Errorf("failed to create statement: %w", err)
}
skipCt := 0
start := time.Now()
mBatcher := microbatch.NewInsert(tx, 500, time.Minute)
for _, pkg := range pkgs {
if pkg.Name == "" {
skipCt++
}
if pkg.Source == nil {
pkg.Source = &zeroPackage
}
if err := queueInsert(ctx, mBatcher, insertPackageStmt.Name, pkg.Source); err != nil {
return err
}
if err := queueInsert(ctx, mBatcher, insertPackageStmt.Name, pkg); err != nil {
return err
}
}
err = mBatcher.Done(ctx)
if err != nil {
return fmt.Errorf("final batch insert failed for pkg: %w", err)
}
indexPackageCounter.WithLabelValues("insert_batch").Add(1)
indexPackageDuration.WithLabelValues("insert_batch").Observe(time.Since(start).Seconds())
zlog.Debug(ctx).
Int("skipped", skipCt).
Int("inserted", len(pkgs)-skipCt).
Msg("packages inserted")
skipCt = 0
// make package scan artifacts
mBatcher = microbatch.NewInsert(tx, 500, time.Minute)
start = time.Now()
for _, pkg := range pkgs {
if pkg.Name == "" {
skipCt++
continue
}
err := mBatcher.Queue(
ctx,
insertPackageScanArtifactWithStmt.SQL,
pkg.Source.Name,
pkg.Source.Kind,
pkg.Source.Version,
pkg.Source.Module,
pkg.Source.Arch,
pkg.Name,
pkg.Kind,
pkg.Version,
pkg.Module,
pkg.Arch,
scnr.Name(),
scnr.Version(),
scnr.Kind(),
layer.Hash,
pkg.PackageDB,
pkg.RepositoryHint,
)
if err != nil {
return fmt.Errorf("batch insert failed for package_scanartifact %v: %w", pkg, err)
}
}
err = mBatcher.Done(ctx)
if err != nil {
return fmt.Errorf("final batch insert failed for package_scanartifact: %w", err)
}
indexPackageCounter.WithLabelValues("insertWith_batch").Add(1)
indexPackageDuration.WithLabelValues("insertWith_batch").Observe(time.Since(start).Seconds())
zlog.Debug(ctx).
Int("skipped", skipCt).
Int("inserted", len(pkgs)-skipCt).
Msg("scanartifacts inserted")
tctx, done = context.WithTimeout(ctx, 5*time.Second)
err = tx.Commit(tctx)
done()
if err != nil {
return fmt.Errorf("store:indexPackages failed to commit tx: %w", err)
}
return nil
}
func queueInsert(ctx context.Context, b *microbatch.Insert, stmt string, pkg *claircore.Package) error {
var vKind *string
var vNorm []int32
if pkg.NormalizedVersion.Kind != "" {
vKind = &pkg.NormalizedVersion.Kind
vNorm = pkg.NormalizedVersion.V[:]
}
err := b.Queue(ctx, stmt,
pkg.Name, pkg.Kind, pkg.Version, vKind, vNorm, pkg.Module, pkg.Arch,
)
if err != nil {
return fmt.Errorf("failed to queue insert for package %q: %w", pkg.Name, err)
}
return nil
}