A container registry that uses the AT Protocol for manifest storage and S3 for blob storage.
atcr.io
docker
container
atproto
go
ai advisor poc
+822
+822
cmd/image-advisor/main.go
+822
cmd/image-advisor/main.go
···
1
+
// image-advisor fetches OCI image config, SBOM, and vulnerability data from
2
+
// the ATCR system and outputs a structured markdown report suitable for LLM
3
+
// analysis of container image improvements.
4
+
//
5
+
// Usage:
6
+
//
7
+
// go run ./cmd/image-advisor --url https://seamark.dev/r/therobbiedavis.com/listenarr --tag latest
8
+
// go run ./cmd/image-advisor --url https://seamark.dev/r/therobbiedavis.com/listenarr --digest sha256:abc...
9
+
// go run ./cmd/image-advisor --url https://seamark.dev/r/therobbiedavis.com/listenarr --platform linux/arm64
10
+
package main
11
+
12
+
import (
13
+
"context"
14
+
"encoding/json"
15
+
"flag"
16
+
"fmt"
17
+
"io"
18
+
"log"
19
+
"net/http"
20
+
"net/url"
21
+
"os"
22
+
"sort"
23
+
"strings"
24
+
"time"
25
+
26
+
"atcr.io/pkg/atproto"
27
+
)
28
+
29
+
// OCI config types (full config, not just history)
30
+
type ociFullConfig struct {
31
+
Architecture string `json:"architecture"`
32
+
OS string `json:"os"`
33
+
Config ociContainerConfig `json:"config"`
34
+
History []ociHistoryEntry `json:"history"`
35
+
RootFS ociRootFS `json:"rootfs"`
36
+
}
37
+
38
+
type ociContainerConfig struct {
39
+
Env []string `json:"Env"`
40
+
Cmd []string `json:"Cmd"`
41
+
Entrypoint []string `json:"Entrypoint"`
42
+
WorkingDir string `json:"WorkingDir"`
43
+
ExposedPorts map[string]struct{} `json:"ExposedPorts"`
44
+
Labels map[string]string `json:"Labels"`
45
+
User string `json:"User"`
46
+
Volumes map[string]struct{} `json:"Volumes"`
47
+
}
48
+
49
+
type ociHistoryEntry struct {
50
+
Created string `json:"created"`
51
+
CreatedBy string `json:"created_by"`
52
+
EmptyLayer bool `json:"empty_layer"`
53
+
Comment string `json:"comment"`
54
+
}
55
+
56
+
type ociRootFS struct {
57
+
Type string `json:"type"`
58
+
DiffIDs []string `json:"diff_ids"`
59
+
}
60
+
61
+
// Grype vulnerability report types
62
+
type grypeReport struct {
63
+
Matches []grypeMatch `json:"matches"`
64
+
}
65
+
66
+
type grypeMatch struct {
67
+
Vulnerability grypeVuln `json:"Vulnerability"`
68
+
Package grypePackage `json:"Package"`
69
+
}
70
+
71
+
type grypeVuln struct {
72
+
ID string `json:"ID"`
73
+
Metadata grypeMetadata `json:"Metadata"`
74
+
Fix grypeFix `json:"Fix"`
75
+
}
76
+
77
+
type grypeMetadata struct {
78
+
Severity string `json:"Severity"`
79
+
}
80
+
81
+
type grypeFix struct {
82
+
Versions []string `json:"Versions"`
83
+
State string `json:"State"`
84
+
}
85
+
86
+
type grypePackage struct {
87
+
Name string `json:"Name"`
88
+
Version string `json:"Version"`
89
+
Type string `json:"Type"`
90
+
}
91
+
92
+
// SPDX SBOM types
93
+
type spdxDocument struct {
94
+
Packages []spdxPackage `json:"packages"`
95
+
}
96
+
97
+
type spdxPackage struct {
98
+
SPDXID string `json:"SPDXID"`
99
+
Name string `json:"name"`
100
+
VersionInfo string `json:"versionInfo"`
101
+
Supplier string `json:"supplier"`
102
+
LicenseConcluded string `json:"licenseConcluded"`
103
+
}
104
+
105
+
// reportData holds all fetched data for markdown generation
106
+
type reportData struct {
107
+
Handle string
108
+
Repository string
109
+
Tag string
110
+
Digest string
111
+
Platform string
112
+
HoldURL string
113
+
ScannedAt string
114
+
115
+
Config *ociFullConfig
116
+
ConfigErr string
117
+
Layers []atproto.BlobReference // from manifest record
118
+
VulnReport *grypeReport
119
+
VulnErr string
120
+
ScanRecord *atproto.ScanRecord
121
+
SBOM *spdxDocument
122
+
SBOMErr string
123
+
}
124
+
125
+
func main() {
126
+
registryURL := flag.String("url", "", "Registry URL (e.g., https://seamark.dev/r/therobbiedavis.com/listenarr)")
127
+
tag := flag.String("tag", "latest", "Image tag to look up")
128
+
digest := flag.String("digest", "", "Manifest digest (overrides --tag)")
129
+
platform := flag.String("platform", "linux/amd64", "Platform to select from manifest index (os/arch)")
130
+
holdURL := flag.String("hold", "https://us-chi1.cove.seamark.dev", "Hold service URL")
131
+
flag.Parse()
132
+
133
+
if *registryURL == "" {
134
+
fmt.Fprintln(os.Stderr, "error: --url is required")
135
+
flag.Usage()
136
+
os.Exit(1)
137
+
}
138
+
139
+
ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
140
+
defer cancel()
141
+
142
+
handle, repository, err := parseRegistryURL(*registryURL)
143
+
if err != nil {
144
+
log.Fatalf("Failed to parse URL: %v", err)
145
+
}
146
+
147
+
fmt.Fprintf(os.Stderr, "Resolving identity for %s...\n", handle)
148
+
did, resolvedHandle, pdsEndpoint, err := atproto.ResolveIdentity(ctx, handle)
149
+
if err != nil {
150
+
log.Fatalf("Failed to resolve identity %q: %v", handle, err)
151
+
}
152
+
fmt.Fprintf(os.Stderr, " DID: %s\n Handle: %s\n PDS: %s\n", did, resolvedHandle, pdsEndpoint)
153
+
154
+
// Resolve hold DID
155
+
fmt.Fprintf(os.Stderr, "Resolving hold DID for %s...\n", *holdURL)
156
+
holdDID, err := atproto.ResolveHoldDID(ctx, *holdURL)
157
+
if err != nil {
158
+
log.Fatalf("Failed to resolve hold DID: %v", err)
159
+
}
160
+
fmt.Fprintf(os.Stderr, " Hold DID: %s\n", holdDID)
161
+
162
+
// Resolve manifest digest
163
+
manifestDigest := *digest
164
+
tagName := *tag
165
+
if manifestDigest == "" {
166
+
fmt.Fprintf(os.Stderr, "Looking up tag %q for %s/%s...\n", tagName, resolvedHandle, repository)
167
+
tagRecord, err := fetchTagRecord(ctx, pdsEndpoint, did, repository, tagName)
168
+
if err != nil {
169
+
log.Fatalf("Failed to fetch tag record: %v", err)
170
+
}
171
+
manifestDigest, err = tagRecord.GetManifestDigest()
172
+
if err != nil {
173
+
log.Fatalf("Failed to get manifest digest from tag: %v", err)
174
+
}
175
+
fmt.Fprintf(os.Stderr, " Digest: %s\n", manifestDigest)
176
+
} else {
177
+
tagName = ""
178
+
}
179
+
180
+
// Fetch manifest record
181
+
fmt.Fprintf(os.Stderr, "Fetching manifest record...\n")
182
+
manifest, err := fetchManifestRecord(ctx, pdsEndpoint, did, manifestDigest)
183
+
if err != nil {
184
+
log.Fatalf("Failed to fetch manifest record: %v", err)
185
+
}
186
+
187
+
// Handle manifest index
188
+
if len(manifest.Manifests) > 0 {
189
+
fmt.Fprintf(os.Stderr, "Manifest is an index with %d platforms:\n", len(manifest.Manifests))
190
+
for _, m := range manifest.Manifests {
191
+
if m.Platform != nil {
192
+
p := m.Platform
193
+
platStr := p.OS + "/" + p.Architecture
194
+
if p.Variant != "" {
195
+
platStr += "/" + p.Variant
196
+
}
197
+
fmt.Fprintf(os.Stderr, " - %s (%s)\n", platStr, truncate(m.Digest, 24))
198
+
}
199
+
}
200
+
201
+
child, err := selectPlatform(manifest.Manifests, *platform)
202
+
if err != nil {
203
+
fmt.Fprintf(os.Stderr, "Warning: %v, using first platform\n", err)
204
+
child = &manifest.Manifests[0]
205
+
}
206
+
207
+
manifestDigest = child.Digest
208
+
if child.Platform != nil {
209
+
*platform = child.Platform.OS + "/" + child.Platform.Architecture
210
+
if child.Platform.Variant != "" {
211
+
*platform += "/" + child.Platform.Variant
212
+
}
213
+
}
214
+
fmt.Fprintf(os.Stderr, "Selected platform %s → %s\n", *platform, truncate(manifestDigest, 24))
215
+
216
+
// Re-fetch the child manifest record
217
+
manifest, err = fetchManifestRecord(ctx, pdsEndpoint, did, manifestDigest)
218
+
if err != nil {
219
+
log.Fatalf("Failed to fetch child manifest: %v", err)
220
+
}
221
+
}
222
+
223
+
report := &reportData{
224
+
Handle: resolvedHandle,
225
+
Repository: repository,
226
+
Tag: tagName,
227
+
Digest: manifestDigest,
228
+
Platform: *platform,
229
+
HoldURL: *holdURL,
230
+
Layers: manifest.Layers,
231
+
}
232
+
233
+
// Fetch image config
234
+
fmt.Fprintf(os.Stderr, "Fetching image config...\n")
235
+
config, err := fetchFullImageConfig(ctx, *holdURL, manifestDigest)
236
+
if err != nil {
237
+
fmt.Fprintf(os.Stderr, " Warning: %v\n", err)
238
+
report.ConfigErr = err.Error()
239
+
} else {
240
+
report.Config = config
241
+
}
242
+
243
+
// Fetch scan data (scan record + SBOM blob + vuln blob)
244
+
fmt.Fprintf(os.Stderr, "Fetching scan data...\n")
245
+
scanRecord, sbom, vulnReport, scanErr := fetchScanData(ctx, *holdURL, holdDID, manifestDigest)
246
+
if scanErr != nil {
247
+
fmt.Fprintf(os.Stderr, " Warning: %v\n", scanErr)
248
+
report.VulnErr = scanErr.Error()
249
+
report.SBOMErr = scanErr.Error()
250
+
} else {
251
+
report.ScanRecord = scanRecord
252
+
report.ScannedAt = scanRecord.ScannedAt
253
+
if vulnReport != nil {
254
+
report.VulnReport = vulnReport
255
+
} else {
256
+
report.VulnErr = "No vulnerability report blob available"
257
+
}
258
+
if sbom != nil {
259
+
report.SBOM = sbom
260
+
} else {
261
+
report.SBOMErr = "No SBOM blob available"
262
+
}
263
+
}
264
+
265
+
fmt.Fprintf(os.Stderr, "Generating prompt...\n")
266
+
generatePrompt(os.Stdout, report)
267
+
}
268
+
269
+
func parseRegistryURL(rawURL string) (handle, repository string, err error) {
270
+
u, err := url.Parse(rawURL)
271
+
if err != nil {
272
+
return "", "", fmt.Errorf("invalid URL: %w", err)
273
+
}
274
+
275
+
path := strings.TrimPrefix(u.Path, "/")
276
+
path = strings.TrimPrefix(path, "r/")
277
+
path = strings.TrimSuffix(path, "/")
278
+
279
+
parts := strings.SplitN(path, "/", 2)
280
+
if len(parts) < 2 {
281
+
return "", "", fmt.Errorf("URL must be in format: https://domain/r/<handle>/<repository>")
282
+
}
283
+
284
+
return parts[0], parts[1], nil
285
+
}
286
+
287
+
func fetchTagRecord(ctx context.Context, pdsEndpoint, did, repository, tag string) (*atproto.TagRecord, error) {
288
+
rkey := atproto.RepositoryTagToRKey(repository, tag)
289
+
reqURL := fmt.Sprintf("%s/xrpc/com.atproto.repo.getRecord?repo=%s&collection=%s&rkey=%s",
290
+
strings.TrimSuffix(pdsEndpoint, "/"),
291
+
url.QueryEscape(did),
292
+
url.QueryEscape(atproto.TagCollection),
293
+
url.QueryEscape(rkey),
294
+
)
295
+
296
+
resp, err := httpGet(ctx, reqURL)
297
+
if err != nil {
298
+
return nil, err
299
+
}
300
+
defer resp.Body.Close()
301
+
302
+
if resp.StatusCode != http.StatusOK {
303
+
return nil, fmt.Errorf("tag %q not found (HTTP %d)", tag, resp.StatusCode)
304
+
}
305
+
306
+
var envelope struct {
307
+
Value json.RawMessage `json:"value"`
308
+
}
309
+
if err := json.NewDecoder(resp.Body).Decode(&envelope); err != nil {
310
+
return nil, fmt.Errorf("parse response: %w", err)
311
+
}
312
+
313
+
var tagRecord atproto.TagRecord
314
+
if err := json.Unmarshal(envelope.Value, &tagRecord); err != nil {
315
+
return nil, fmt.Errorf("parse tag record: %w", err)
316
+
}
317
+
318
+
return &tagRecord, nil
319
+
}
320
+
321
+
func fetchManifestRecord(ctx context.Context, pdsEndpoint, did, digest string) (*atproto.ManifestRecord, error) {
322
+
rkey := strings.TrimPrefix(digest, "sha256:")
323
+
reqURL := fmt.Sprintf("%s/xrpc/com.atproto.repo.getRecord?repo=%s&collection=%s&rkey=%s",
324
+
strings.TrimSuffix(pdsEndpoint, "/"),
325
+
url.QueryEscape(did),
326
+
url.QueryEscape(atproto.ManifestCollection),
327
+
url.QueryEscape(rkey),
328
+
)
329
+
330
+
resp, err := httpGet(ctx, reqURL)
331
+
if err != nil {
332
+
return nil, err
333
+
}
334
+
defer resp.Body.Close()
335
+
336
+
if resp.StatusCode != http.StatusOK {
337
+
return nil, fmt.Errorf("manifest not found (HTTP %d)", resp.StatusCode)
338
+
}
339
+
340
+
var envelope struct {
341
+
Value json.RawMessage `json:"value"`
342
+
}
343
+
if err := json.NewDecoder(resp.Body).Decode(&envelope); err != nil {
344
+
return nil, fmt.Errorf("parse response: %w", err)
345
+
}
346
+
347
+
var manifest atproto.ManifestRecord
348
+
if err := json.Unmarshal(envelope.Value, &manifest); err != nil {
349
+
return nil, fmt.Errorf("parse manifest record: %w", err)
350
+
}
351
+
352
+
return &manifest, nil
353
+
}
354
+
355
+
func selectPlatform(manifests []atproto.ManifestReference, platform string) (*atproto.ManifestReference, error) {
356
+
parts := strings.Split(platform, "/")
357
+
wantOS := parts[0]
358
+
wantArch := ""
359
+
wantVariant := ""
360
+
if len(parts) > 1 {
361
+
wantArch = parts[1]
362
+
}
363
+
if len(parts) > 2 {
364
+
wantVariant = parts[2]
365
+
}
366
+
367
+
for i := range manifests {
368
+
m := &manifests[i]
369
+
if m.Platform == nil {
370
+
continue
371
+
}
372
+
if m.Platform.OS == wantOS && m.Platform.Architecture == wantArch {
373
+
if wantVariant == "" || m.Platform.Variant == wantVariant {
374
+
return m, nil
375
+
}
376
+
}
377
+
}
378
+
379
+
return nil, fmt.Errorf("no platform matching %s found", platform)
380
+
}
381
+
382
+
func fetchFullImageConfig(ctx context.Context, holdURL, manifestDigest string) (*ociFullConfig, error) {
383
+
reqURL := fmt.Sprintf("%s%s?digest=%s",
384
+
strings.TrimSuffix(holdURL, "/"),
385
+
atproto.HoldGetImageConfig,
386
+
url.QueryEscape(manifestDigest),
387
+
)
388
+
389
+
resp, err := httpGet(ctx, reqURL)
390
+
if err != nil {
391
+
return nil, err
392
+
}
393
+
defer resp.Body.Close()
394
+
395
+
if resp.StatusCode != http.StatusOK {
396
+
return nil, fmt.Errorf("image config not found (HTTP %d)", resp.StatusCode)
397
+
}
398
+
399
+
var record struct {
400
+
ConfigJSON string `json:"configJson"`
401
+
}
402
+
if err := json.NewDecoder(resp.Body).Decode(&record); err != nil {
403
+
return nil, fmt.Errorf("parse response: %w", err)
404
+
}
405
+
406
+
var config ociFullConfig
407
+
if err := json.Unmarshal([]byte(record.ConfigJSON), &config); err != nil {
408
+
return nil, fmt.Errorf("parse OCI config: %w", err)
409
+
}
410
+
411
+
return &config, nil
412
+
}
413
+
414
+
func fetchScanData(ctx context.Context, holdURL, holdDID, manifestDigest string) (*atproto.ScanRecord, *spdxDocument, *grypeReport, error) {
415
+
rkey := strings.TrimPrefix(manifestDigest, "sha256:")
416
+
417
+
// Fetch scan record
418
+
scanURL := fmt.Sprintf("%s/xrpc/com.atproto.repo.getRecord?repo=%s&collection=%s&rkey=%s",
419
+
strings.TrimSuffix(holdURL, "/"),
420
+
url.QueryEscape(holdDID),
421
+
url.QueryEscape(atproto.ScanCollection),
422
+
url.QueryEscape(rkey),
423
+
)
424
+
425
+
resp, err := httpGet(ctx, scanURL)
426
+
if err != nil {
427
+
return nil, nil, nil, fmt.Errorf("fetch scan record: %w", err)
428
+
}
429
+
defer resp.Body.Close()
430
+
431
+
if resp.StatusCode != http.StatusOK {
432
+
return nil, nil, nil, fmt.Errorf("no scan record found (HTTP %d)", resp.StatusCode)
433
+
}
434
+
435
+
var envelope struct {
436
+
Value json.RawMessage `json:"value"`
437
+
}
438
+
if err := json.NewDecoder(resp.Body).Decode(&envelope); err != nil {
439
+
return nil, nil, nil, fmt.Errorf("parse scan response: %w", err)
440
+
}
441
+
442
+
var scanRecord atproto.ScanRecord
443
+
if err := json.Unmarshal(envelope.Value, &scanRecord); err != nil {
444
+
return nil, nil, nil, fmt.Errorf("parse scan record: %w", err)
445
+
}
446
+
447
+
// Fetch SBOM blob
448
+
var sbom *spdxDocument
449
+
if scanRecord.SbomBlob != nil && scanRecord.SbomBlob.Ref.String() != "" {
450
+
blobURL := fmt.Sprintf("%s/xrpc/com.atproto.sync.getBlob?did=%s&cid=%s",
451
+
strings.TrimSuffix(holdURL, "/"),
452
+
url.QueryEscape(holdDID),
453
+
url.QueryEscape(scanRecord.SbomBlob.Ref.String()),
454
+
)
455
+
blobResp, err := httpGet(ctx, blobURL)
456
+
if err == nil {
457
+
defer blobResp.Body.Close()
458
+
if blobResp.StatusCode == http.StatusOK {
459
+
var doc spdxDocument
460
+
if err := json.NewDecoder(blobResp.Body).Decode(&doc); err == nil {
461
+
sbom = &doc
462
+
} else {
463
+
fmt.Fprintf(os.Stderr, " Warning: failed to parse SBOM: %v\n", err)
464
+
}
465
+
}
466
+
}
467
+
}
468
+
469
+
// Fetch vuln report blob
470
+
var vulnReport *grypeReport
471
+
if scanRecord.VulnReportBlob != nil && scanRecord.VulnReportBlob.Ref.String() != "" {
472
+
blobURL := fmt.Sprintf("%s/xrpc/com.atproto.sync.getBlob?did=%s&cid=%s",
473
+
strings.TrimSuffix(holdURL, "/"),
474
+
url.QueryEscape(holdDID),
475
+
url.QueryEscape(scanRecord.VulnReportBlob.Ref.String()),
476
+
)
477
+
blobResp, err := httpGet(ctx, blobURL)
478
+
if err == nil {
479
+
defer blobResp.Body.Close()
480
+
if blobResp.StatusCode == http.StatusOK {
481
+
var report grypeReport
482
+
if err := json.NewDecoder(blobResp.Body).Decode(&report); err == nil {
483
+
vulnReport = &report
484
+
} else {
485
+
fmt.Fprintf(os.Stderr, " Warning: failed to parse vuln report: %v\n", err)
486
+
}
487
+
}
488
+
}
489
+
}
490
+
491
+
return &scanRecord, sbom, vulnReport, nil
492
+
}
493
+
494
+
func httpGet(ctx context.Context, rawURL string) (*http.Response, error) {
495
+
req, err := http.NewRequestWithContext(ctx, "GET", rawURL, nil)
496
+
if err != nil {
497
+
return nil, fmt.Errorf("build request: %w", err)
498
+
}
499
+
return http.DefaultClient.Do(req)
500
+
}
501
+
502
+
// --- Output generation ---
503
+
504
+
func generatePrompt(w io.Writer, r *reportData) {
505
+
// System instruction
506
+
fmt.Fprintln(w, `Respond ONLY with raw YAML. No markdown fences, no explanation, no preamble.
507
+
Analyze the container image data below. Output a list of actionable suggestions sorted by impact (highest first).
508
+
509
+
schema:
510
+
suggestions:
511
+
- action: "<specific actionable step>"
512
+
category: vulnerability|size|cache|security|best-practice
513
+
impact: high|medium|low
514
+
effort: low|medium|high
515
+
cves_fixed: <int or 0>
516
+
size_saved_mb: <int or 0>
517
+
detail: "<one sentence with specific package names, versions, or commands>"
518
+
---`)
519
+
520
+
// Compact data block - no markdown formatting, just facts
521
+
ref := r.Handle + "/" + r.Repository
522
+
if r.Tag != "" {
523
+
ref += ":" + r.Tag
524
+
}
525
+
totalSize := int64(0)
526
+
for _, l := range r.Layers {
527
+
totalSize += l.Size
528
+
}
529
+
530
+
fmt.Fprintf(w, "\nimage: %s\ndigest: %s\nplatform: %s\ntotal_size: %s\nlayers: %d\n",
531
+
ref, r.Digest, r.Platform, humanSize(totalSize), len(r.Layers))
532
+
533
+
// Config
534
+
if r.Config != nil {
535
+
c := r.Config.Config
536
+
user := c.User
537
+
if user == "" {
538
+
user = "root"
539
+
}
540
+
fmt.Fprintf(w, "user: %s\n", user)
541
+
if c.WorkingDir != "" {
542
+
fmt.Fprintf(w, "workdir: %s\n", c.WorkingDir)
543
+
}
544
+
if len(c.Entrypoint) > 0 {
545
+
fmt.Fprintf(w, "entrypoint: %s\n", strings.Join(c.Entrypoint, " "))
546
+
}
547
+
if len(c.Cmd) > 0 {
548
+
fmt.Fprintf(w, "cmd: %s\n", strings.Join(c.Cmd, " "))
549
+
}
550
+
if len(c.ExposedPorts) > 0 {
551
+
ports := make([]string, 0, len(c.ExposedPorts))
552
+
for p := range c.ExposedPorts {
553
+
ports = append(ports, p)
554
+
}
555
+
fmt.Fprintf(w, "ports: %s\n", strings.Join(ports, ","))
556
+
}
557
+
if len(c.Env) > 0 {
558
+
fmt.Fprintln(w, "env:")
559
+
for _, env := range c.Env {
560
+
parts := strings.SplitN(env, "=", 2)
561
+
if shouldRedact(parts[0]) {
562
+
fmt.Fprintf(w, " - %s=[REDACTED]\n", parts[0])
563
+
} else {
564
+
fmt.Fprintf(w, " - %s\n", env)
565
+
}
566
+
}
567
+
}
568
+
if len(c.Labels) > 0 {
569
+
fmt.Fprintln(w, "labels:")
570
+
keys := make([]string, 0, len(c.Labels))
571
+
for k := range c.Labels {
572
+
keys = append(keys, k)
573
+
}
574
+
sort.Strings(keys)
575
+
for _, k := range keys {
576
+
v := c.Labels[k]
577
+
if len(v) > 80 {
578
+
v = v[:77] + "..."
579
+
}
580
+
fmt.Fprintf(w, " %s: %s\n", k, v)
581
+
}
582
+
}
583
+
584
+
// History as compact list
585
+
fmt.Fprintln(w, "history:")
586
+
layerIdx := 0
587
+
for _, h := range r.Config.History {
588
+
cmd := cleanCommand(h.CreatedBy)
589
+
if len(cmd) > 100 {
590
+
cmd = cmd[:97] + "..."
591
+
}
592
+
if !h.EmptyLayer && layerIdx < len(r.Layers) {
593
+
fmt.Fprintf(w, " - [%s] %s\n", humanSize(r.Layers[layerIdx].Size), cmd)
594
+
layerIdx++
595
+
} else {
596
+
fmt.Fprintf(w, " - %s\n", cmd)
597
+
}
598
+
}
599
+
}
600
+
601
+
// Vuln summary
602
+
if r.ScanRecord != nil {
603
+
sr := r.ScanRecord
604
+
fmt.Fprintf(w, "vulns: {critical: %d, high: %d, medium: %d, low: %d, total: %d}\n",
605
+
sr.Critical, sr.High, sr.Medium, sr.Low, sr.Total)
606
+
}
607
+
608
+
// Fixable vulns - compact list
609
+
if r.VulnReport != nil {
610
+
// Group by package: name -> {version, type, fixes[], cves[]}
611
+
type pkgInfo struct {
612
+
version string
613
+
typ string
614
+
fixes map[string]bool
615
+
cves []string
616
+
maxSev int
617
+
}
618
+
pkgs := map[string]*pkgInfo{}
619
+
620
+
for _, m := range r.VulnReport.Matches {
621
+
sev := m.Vulnerability.Metadata.Severity
622
+
if sev != "Critical" && sev != "High" {
623
+
continue
624
+
}
625
+
key := m.Package.Name
626
+
p, ok := pkgs[key]
627
+
if !ok {
628
+
p = &pkgInfo{version: m.Package.Version, typ: m.Package.Type, fixes: map[string]bool{}, maxSev: 5}
629
+
pkgs[key] = p
630
+
}
631
+
p.cves = append(p.cves, m.Vulnerability.ID)
632
+
for _, f := range m.Vulnerability.Fix.Versions {
633
+
p.fixes[f] = true
634
+
}
635
+
if s := severityOrder(sev); s < p.maxSev {
636
+
p.maxSev = s
637
+
}
638
+
}
639
+
640
+
if len(pkgs) > 0 {
641
+
fmt.Fprintln(w, "fixable_critical_high:")
642
+
// Sort by severity then CVE count
643
+
type entry struct {
644
+
name string
645
+
info *pkgInfo
646
+
}
647
+
sorted := make([]entry, 0, len(pkgs))
648
+
for n, p := range pkgs {
649
+
sorted = append(sorted, entry{n, p})
650
+
}
651
+
sort.Slice(sorted, func(i, j int) bool {
652
+
if sorted[i].info.maxSev != sorted[j].info.maxSev {
653
+
return sorted[i].info.maxSev < sorted[j].info.maxSev
654
+
}
655
+
return len(sorted[i].info.cves) > len(sorted[j].info.cves)
656
+
})
657
+
658
+
for _, e := range sorted {
659
+
fixes := make([]string, 0, len(e.info.fixes))
660
+
for f := range e.info.fixes {
661
+
fixes = append(fixes, f)
662
+
}
663
+
sort.Strings(fixes)
664
+
fmt.Fprintf(w, " - pkg: %s@%s (%s) cves: %d fix: %s\n",
665
+
e.name, e.info.version, e.info.typ, len(e.info.cves), strings.Join(fixes, ","))
666
+
}
667
+
}
668
+
669
+
// Unfixable counts
670
+
unfixable := map[string]int{}
671
+
for _, m := range r.VulnReport.Matches {
672
+
if len(m.Vulnerability.Fix.Versions) == 0 {
673
+
unfixable[m.Vulnerability.Metadata.Severity]++
674
+
}
675
+
}
676
+
if len(unfixable) > 0 {
677
+
fmt.Fprintf(w, "unfixable:")
678
+
for _, sev := range []string{"Critical", "High", "Medium", "Low", "Negligible", "Unknown"} {
679
+
if c, ok := unfixable[sev]; ok {
680
+
fmt.Fprintf(w, " %s=%d", strings.ToLower(sev), c)
681
+
}
682
+
}
683
+
fmt.Fprintln(w)
684
+
}
685
+
}
686
+
687
+
// SBOM summary - just type counts
688
+
if r.SBOM != nil {
689
+
typeCounts := map[string]int{}
690
+
total := 0
691
+
for _, p := range r.SBOM.Packages {
692
+
if strings.HasPrefix(p.SPDXID, "SPDXRef-DocumentRoot") || p.SPDXID == "SPDXRef-DOCUMENT" {
693
+
continue
694
+
}
695
+
total++
696
+
pkgType := extractPackageType(p.Supplier)
697
+
if pkgType == "" {
698
+
pkgType = "other"
699
+
}
700
+
typeCounts[pkgType]++
701
+
}
702
+
fmt.Fprintf(w, "sbom_packages: %d", total)
703
+
for t, c := range typeCounts {
704
+
fmt.Fprintf(w, " %s=%d", t, c)
705
+
}
706
+
fmt.Fprintln(w)
707
+
708
+
// Top vulnerable packages
709
+
if r.VulnReport != nil {
710
+
vulnPkgs := map[string]int{}
711
+
for _, m := range r.VulnReport.Matches {
712
+
vulnPkgs[m.Package.Name]++
713
+
}
714
+
type pv struct {
715
+
name string
716
+
count int
717
+
}
718
+
sorted := make([]pv, 0, len(vulnPkgs))
719
+
for n, c := range vulnPkgs {
720
+
sorted = append(sorted, pv{n, c})
721
+
}
722
+
sort.Slice(sorted, func(i, j int) bool { return sorted[i].count > sorted[j].count })
723
+
// Top 10 only
724
+
if len(sorted) > 10 {
725
+
sorted = sorted[:10]
726
+
}
727
+
fmt.Fprintln(w, "top_vulnerable_packages:")
728
+
for _, p := range sorted {
729
+
fmt.Fprintf(w, " - %s: %d\n", p.name, p.count)
730
+
}
731
+
}
732
+
}
733
+
}
734
+
735
+
// --- Helpers ---
736
+
737
+
func severityOrder(s string) int {
738
+
switch s {
739
+
case "Critical":
740
+
return 0
741
+
case "High":
742
+
return 1
743
+
case "Medium":
744
+
return 2
745
+
case "Low":
746
+
return 3
747
+
case "Negligible":
748
+
return 4
749
+
default:
750
+
return 5
751
+
}
752
+
}
753
+
754
+
func humanSize(bytes int64) string {
755
+
const (
756
+
KB = 1024
757
+
MB = 1024 * KB
758
+
GB = 1024 * MB
759
+
)
760
+
switch {
761
+
case bytes >= GB:
762
+
return fmt.Sprintf("%.1f GB", float64(bytes)/float64(GB))
763
+
case bytes >= MB:
764
+
return fmt.Sprintf("%.1f MB", float64(bytes)/float64(MB))
765
+
case bytes >= KB:
766
+
return fmt.Sprintf("%.1f KB", float64(bytes)/float64(KB))
767
+
default:
768
+
return fmt.Sprintf("%d B", bytes)
769
+
}
770
+
}
771
+
772
+
func cleanCommand(cmd string) string {
773
+
// Remove common prefixes that add noise
774
+
cmd = strings.TrimPrefix(cmd, "/bin/sh -c ")
775
+
cmd = strings.TrimPrefix(cmd, "#(nop) ")
776
+
return strings.TrimSpace(cmd)
777
+
}
778
+
779
+
func shouldRedact(envName string) bool {
780
+
upper := strings.ToUpper(envName)
781
+
for _, suffix := range []string{"_KEY", "_SECRET", "_PASSWORD", "_TOKEN", "_CREDENTIALS", "_API_KEY"} {
782
+
if strings.HasSuffix(upper, suffix) {
783
+
return true
784
+
}
785
+
}
786
+
return false
787
+
}
788
+
789
+
func truncate(s string, n int) string {
790
+
if len(s) <= n {
791
+
return s
792
+
}
793
+
return s[:n] + "..."
794
+
}
795
+
796
+
func extractPackageType(supplier string) string {
797
+
s := strings.ToLower(supplier)
798
+
switch {
799
+
case strings.Contains(s, "npmjs") || strings.Contains(s, "npm"):
800
+
return "npm"
801
+
case strings.Contains(s, "pypi") || strings.Contains(s, "python"):
802
+
return "python"
803
+
case strings.Contains(s, "rubygems"):
804
+
return "gem"
805
+
case strings.Contains(s, "golang") || strings.Contains(s, "go"):
806
+
return "go"
807
+
case strings.Contains(s, "debian") || strings.Contains(s, "ubuntu"):
808
+
return "deb"
809
+
case strings.Contains(s, "alpine"):
810
+
return "apk"
811
+
case strings.Contains(s, "redhat") || strings.Contains(s, "fedora") || strings.Contains(s, "centos"):
812
+
return "rpm"
813
+
case strings.Contains(s, "maven") || strings.Contains(s, "java"):
814
+
return "java"
815
+
case strings.Contains(s, "nuget") || strings.Contains(s, ".net"):
816
+
return "nuget"
817
+
case strings.Contains(s, "cargo") || strings.Contains(s, "rust"):
818
+
return "rust"
819
+
default:
820
+
return ""
821
+
}
822
+
}