1// SPDX-License-Identifier: AGPL-3.0-or-later
2
3package app
4
5import (
6 "context"
7 "crypto/ed25519"
8 "crypto/rand"
9 "crypto/rsa"
10 "errors"
11 "fmt"
12 "net"
13 "os"
14 "path/filepath"
15 "strings"
16 "time"
17
18 "github.com/bnema/zerowrap"
19
20 "bnema.dev/ermite/internal/adapters/ciartifacts"
21 "bnema.dev/ermite/internal/adapters/cilogs"
22 "bnema.dev/ermite/internal/adapters/cisummaries"
23 "bnema.dev/ermite/internal/adapters/ermitegit"
24 "bnema.dev/ermite/internal/adapters/eventbus"
25 "bnema.dev/ermite/internal/adapters/gitcli"
26 "bnema.dev/ermite/internal/adapters/githttp"
27 "bnema.dev/ermite/internal/adapters/githubapi"
28 "bnema.dev/ermite/internal/adapters/githubraw"
29 "bnema.dev/ermite/internal/adapters/gitremote"
30 "bnema.dev/ermite/internal/adapters/httpserver"
31 "bnema.dev/ermite/internal/adapters/kvstore"
32 "bnema.dev/ermite/internal/adapters/oidchttp"
33 "bnema.dev/ermite/internal/adapters/rpc"
34 "bnema.dev/ermite/internal/adapters/secretbox"
35 "bnema.dev/ermite/internal/adapters/sigverify"
36 "bnema.dev/ermite/internal/adapters/sshsig"
37 "bnema.dev/ermite/internal/adapters/web"
38 "bnema.dev/ermite/internal/adapters/webauthn"
39 "bnema.dev/ermite/internal/clientlimit"
40 "bnema.dev/ermite/internal/config"
41 "bnema.dev/ermite/internal/domain"
42 "bnema.dev/ermite/internal/ports"
43 "bnema.dev/ermite/internal/usecase"
44)
45
46// maxReceiveBytes bounds the body of a push, both at the HTTP handler and in
47// Git (receive.maxInputSize).
48const maxReceiveBytes = githttp.DefaultMaxBodyBytes
49
50// options are the parts of the wiring that tests replace.
51type options struct {
52 // hookExe is the executable the hook scripts exec; empty means this
53 // process's own executable.
54 hookExe string
55 // maintenanceDelay overrides usecase.MaintenanceDelay when positive.
56 maintenanceDelay time.Duration
57 // maxBodyBytes overrides the limit of a push body when positive.
58 maxBodyBytes int64
59 // eventBuffer overrides usecase.DefaultEventBuffer when positive.
60 eventBuffer int
61 // revalidateEvery overrides usecase.DefaultRevalidateEvery when not zero.
62 revalidateEvery time.Duration
63 // archivesPerClient overrides the archives one client downloads at once
64 // when positive.
65 archivesPerClient int
66 // receivePacks overrides the git-receive-pack backends running at once
67 // when positive (the default follows GOMAXPROCS).
68 receivePacks int
69 // remote replaces the lister of github.com refs (tests never reach the
70 // network).
71 remoteLister ports.GitRemote
72 // workflowFetcher replaces the downloader of github.com reusable workflows
73 // (tests never reach the network).
74 workflowFetcher ports.WorkflowFetcher
75 // ci overrides the settings of the CI engine (tests shorten its
76 // durations).
77 ci func(*usecase.CIConfig)
78 // oidcKey generates the signing keys of the ID tokens; nil generates RSA
79 // keys (tests give prepared ones: a 3072-bit key takes a while).
80 oidcKey func() (*rsa.PrivateKey, error)
81 // issuePoW lowers the proof of work of the public issue form (the base
82 // and the highest difficulty, in bits) when positive, and shortens the
83 // minimum fill time to a nanosecond; tests only.
84 issuePoW int
85}
86
87// remote returns the lister of github.com refs: the test's, else def.
88func (o options) remote(def ports.GitRemote) ports.GitRemote {
89 if o.remoteLister != nil {
90 return o.remoteLister
91 }
92 return def
93}
94
95// workflows returns the downloader of github.com reusable workflows: the
96// test's, else def.
97func (o options) workflows(def ports.WorkflowFetcher) ports.WorkflowFetcher {
98 if o.workflowFetcher != nil {
99 return o.workflowFetcher
100 }
101 return def
102}
103
104// forge is the wired server: every adapter and use case, ready to serve.
105type forge struct {
106 cfg config.Config
107 store *kvstore.Store
108 server *httpserver.Server
109 hooks *githttp.HookServer
110 maint *usecase.Maintainer
111 git *gitcli.Git
112 // reader is the ermite-git reader when ERMITE_GIT_READER selects it.
113 reader *ermitegit.Adapter
114
115 // The use cases and the API are exposed for tests and for the phases
116 // that add the web.
117 Repos *usecase.Repos
118 Tokens *usecase.Tokens
119 Auth *usecase.Auth
120 Pushes *usecase.Pushes
121 Browse *usecase.Browse
122 // MergeRequests and SigningKey serve MergeRequestService and
123 // ServerService.GetSigningKey.
124 MergeRequests *usecase.MergeRequests
125 // Issues serves IssueService, and tells what a number names.
126 Issues *usecase.Issues
127 // IssueModeration serves the moderation calls of IssueService.
128 IssueModeration *usecase.IssueModeration
129 // IssueKeys are the subkeys of the public issue form, and the stores and
130 // the limiter its submissions use (the form itself comes later).
131 IssueKeys *usecase.IssueKeys
132 // IssueSubmissions serves the anonymous submission of issues.
133 IssueSubmissions *usecase.IssueSubmissions
134 SubmissionLimiter *clientlimit.SubmissionLimiter
135 PendingIssues ports.PendingIssueStore
136 IssueBans ports.IssueBanStore
137 // Inbox serves the owner's inbox of the web.
138 Inbox *usecase.Inbox
139 SigningKey *usecase.SigningKey
140 // Signatures are the trusted keys and the commit signature checks
141 // (ADR 0030).
142 Signatures *usecase.Signatures
143 Sessions *usecase.Sessions
144 // Passkeys is nil when passkeys are not available (passkeysAvailable).
145 Passkeys *usecase.Passkeys
146 EventLog *usecase.Events
147 // CI is the CI engine: workflow trigger, planner, runner protocol and the
148 // owner side. It starts with the server and stops with it.
149 CI *usecase.CI
150 // Settings are the secrets, variables and environments of CI.
151 Settings *usecase.CISettings
152 // OIDC is the provider of the ID tokens of CI jobs; nil without a secrets
153 // key.
154 OIDC *usecase.OIDC
155 API *rpc.API
156 Bus ports.EventBus
157}
158
159// newSigningSeed makes the seed of a new ed25519 signing key.
160func newSigningSeed() ([]byte, error) {
161 seed := make([]byte, ed25519.SeedSize)
162 if _, err := rand.Read(seed); err != nil {
163 return nil, err
164 }
165 return seed, nil
166}
167
168// serverVersion is the version GetVersion reports: the module version of the
169// build, or "devel" for an untagged one.
170func serverVersion() string {
171 if v := buildVersion(); v != "(devel)" {
172 return v
173 }
174 return "devel"
175}
176
177// newForge opens the metadata store, resets run/, checks git, reconciles the repositories,
178// writes the hook scripts, opens the hook socket and builds the HTTP server.
179// The data directory must be prepared (prepareDataDir). Close it after the
180// server stopped.
181func newForge(ctx context.Context, cfg config.Config, opts options) (_ *forge, err error) {
182 log := zerowrap.FromCtx(ctx)
183 store, err := kvstore.Open(ctx, filepath.Join(cfg.DataDir, "kv"))
184 if err != nil {
185 return nil, err
186 }
187 f := &forge{cfg: cfg, store: store}
188 defer func() {
189 if err != nil {
190 f.Close(context.WithoutCancel(ctx))
191 }
192 }()
193 // The kv store holds the directory lock: only now is run/ ours to reset.
194 // The hook scripts and the socket are written into it afterwards.
195 if err := resetRunDir(cfg.DataDir); err != nil {
196 return nil, err
197 }
198
199 path := os.Getenv("PATH")
200 if path == "" {
201 path = "/usr/local/bin:/usr/bin:/bin"
202 }
203 maxBody := maxReceiveBytes
204 if opts.maxBodyBytes > 0 {
205 maxBody = opts.maxBodyBytes
206 }
207 git := gitcli.New(gitcli.Config{Bin: cfg.Git, DataDir: cfg.DataDir, Path: path, MaxReceiveBytes: maxBody})
208 f.git = git
209 gitVersion, err := git.CheckVersion(ctx)
210 if err != nil {
211 return nil, fmt.Errorf("%s=%q: %w", config.EnvGit, cfg.Git, err)
212 }
213 log.Info().Str("git", gitVersion.String()).Msg("git checked")
214 if _, err := git.HTTPBackend(ctx, false); err != nil {
215 return nil, fmt.Errorf("%s=%q: %w", config.EnvGit, cfg.Git, err)
216 }
217
218 clock := systemClock{}
219 f.Bus = eventbus.New()
220 f.Repos = usecase.NewRepos(store, git, f.Bus, clock)
221 report, err := f.Repos.Reconcile(ctx)
222 if err != nil {
223 return nil, fmt.Errorf("reconcile repositories: %w", err)
224 }
225 log.Info().
226 Int("registered", len(report.Registered)).
227 Int("missing_dirs", len(report.MissingDirs)).
228 Int("invalid_dirs", len(report.InvalidDirs)).
229 Msg("repositories reconciled")
230
231 f.Tokens = usecase.NewTokens(store.Tokens(), clock, store.Sessions())
232 f.Auth = usecase.NewAuth(cfg.AdminTokenHash, store.Tokens(), clock).WithRepoTokens(store.CI())
233 f.maint = usecase.NewMaintainer(ctx, git, opts.maintenanceDelay)
234 f.Pushes = usecase.NewPushes(store, f.Repos, git, f.Bus, clock, f.maint, f.Auth)
235
236 exe := opts.hookExe
237 if exe == "" {
238 if exe, err = os.Executable(); err != nil {
239 return nil, fmt.Errorf("find the ermite executable for the hooks: %w", err)
240 }
241 }
242 if err := githttp.WriteHookScripts(gitcli.HooksDir(cfg.DataDir), exe); err != nil {
243 return nil, err
244 }
245 f.hooks = githttp.NewHookServer(filepath.Join(cfg.DataDir, "run", "hook.sock"), f.Pushes)
246 if err := f.hooks.Listen(ctx); err != nil {
247 return nil, err
248 }
249
250 var reader ports.RepoReader = git
251 if cfg.GitReader == config.GitReaderErmiteGit {
252 f.reader = ermitegit.New(ermitegit.Config{
253 Fallback: git,
254 RepoDir: func(name domain.RepoName) string { return gitcli.RepoDir(cfg.DataDir, name) },
255 })
256 git.OnTrash(f.reader.Forget)
257 f.maint.WithFreshener(f.reader)
258 f.Pushes.WithFreshener(f.reader)
259 reader = f.reader
260 }
261 log.Info().Str("reader", cfg.GitReader).Msg("git reader selected")
262 f.Browse = usecase.NewBrowse(store, reader)
263
264 // Secrets, variables and environments (ADR 0019, CI-3). With a key the
265 // secrets are sealed under it, and the server refuses to start when the
266 // key is not the one they were sealed with; without one they cannot be set
267 // and jobs receive none.
268 var sealer ports.SecretSealer // a nil *secretbox.Box must not become a non-nil interface
269 if cfg.SecretsKey != nil {
270 box, err := secretbox.New(cfg.SecretsKey)
271 if err != nil {
272 return nil, fmt.Errorf("%s: %w", config.EnvSecretsKey, err)
273 }
274 sealer = box
275 }
276 f.Settings, err = usecase.NewCISettings(ctx, store, store.Settings(), sealer, clock)
277 if err != nil {
278 return nil, fmt.Errorf("%s: %w", config.EnvSecretsKey, err)
279 }
280 // The OIDC provider of CI jobs (CI-4): its signing key is sealed with the
281 // secrets key, so there is none without one.
282 f.OIDC, err = usecase.NewOIDC(ctx, usecase.OIDCConfig{
283 Store: store, Sealer: sealer, Tokens: store.CI(), Clock: clock, PublicURL: cfg.PublicURL, NewKey: opts.oidcKey,
284 })
285 if err != nil {
286 return nil, fmt.Errorf("oidc: %w", err)
287 }
288
289 // CI (ADR 0025): the engine reads workflows through the reader, and plans
290 // them in the background; a push only queues its refs.
291 committer := domain.Identity{Name: cfg.CommitterName, Email: cfg.CommitterEmail}
292 ciCfg := usecase.CIConfig{
293 Store: store.CI(), Logs: cilogs.New(cilogs.Dir(cfg.DataDir)), Summaries: cisummaries.New(cisummaries.Dir(cfg.DataDir)), Meta: store, Repos: git, Reader: reader,
294 Git: git, Diff: git, Bus: f.Bus, Clock: clock, Auth: f.Auth,
295 Owner: cfg.Owner, PublicURL: cfg.PublicURL, Retention: cfg.CIRetention,
296 PollTimeout: cfg.CIPollTimeout, Archive: git,
297 Remote: opts.remote(gitremote.New(gitremote.Config{
298 Bin: cfg.Git, Path: path, Home: filepath.Join(cfg.DataDir, "run", "git-home"),
299 Proxy: gitremote.ProxyEnv(os.Getenv),
300 })),
301 Tokens: store.Tokens(),
302 RefTips: store.CI(),
303 WorkflowState: store.CI(),
304 Settings: f.Settings,
305 Workflows: opts.workflows(githubraw.New(githubraw.Config{})),
306 OIDC: f.OIDC,
307 }
308 artifacts(&ciCfg, cfg, store)
309 f.pullRequests(&ciCfg, store, git, committer)
310 if opts.ci != nil {
311 opts.ci(&ciCfg)
312 }
313 f.CI = usecase.NewCI(ctx, ciCfg)
314 f.Pushes.WithWorkflowTrigger(f.CI).WithWorkflowGuard(git).WithRefTips(store.CI())
315 f.Repos.WithCIRunCleaner(f.CI)
316 f.CI.Start()
317 f.EventLog = usecase.NewEvents(ctx, f.Repos, f.Bus, clock, usecase.EventsConfig{
318 Size: opts.eventBuffer, Auth: f.Auth, RevalidateEvery: opts.revalidateEvery,
319 })
320
321 // The instance signing key (ADR 0022): generated on the first start.
322 seed, err := store.SigningSeed(ctx, newSigningSeed, clock.Now().UTC())
323 if err != nil {
324 return nil, err
325 }
326 signer, err := sshsig.New(seed)
327 if err != nil {
328 return nil, err
329 }
330 f.SigningKey = usecase.NewSigningKey(signer, committer)
331 if err := f.signatures(store, reader, signer.PublicKey(), committer, clock); err != nil {
332 return nil, err
333 }
334 f.MergeRequests = usecase.NewMergeRequests(usecase.MergeRequestsConfig{
335 Meta: store, Store: store.MergeRequests(), Repos: git, Git: git, Signer: signer,
336 Committer: committer, Bus: f.Bus, Clock: clock, Maint: f.maint,
337 CI: f.CI, Checks: f.CI, PullRequests: f.CI, RefTips: store.CI(),
338 })
339 f.MergeRequests.WithVerifier(f.Signatures)
340 f.Issues = usecase.NewIssues(usecase.IssuesConfig{
341 Meta: store, Store: store.Issues(), MergeRequests: store.MergeRequests(), Bus: f.Bus, Clock: clock,
342 })
343 f.IssueModeration = usecase.NewIssueModeration(usecase.IssueModerationConfig{
344 Meta: store, Pending: store.PendingIssues(), Bans: store.IssueBans(), Bus: f.Bus, Clock: clock,
345 })
346 f.SubmissionLimiter = clientlimit.NewSubmissionLimiter(nil)
347 f.PendingIssues, f.IssueBans = store.PendingIssues(), store.IssueBans()
348 f.IssueKeys, err = usecase.NewIssueKeys(ctx, store.IssueKeys())
349 if err != nil {
350 return nil, err
351 }
352 f.IssueSubmissions = usecase.NewIssueSubmissions(usecase.IssueSubmissionsConfig{
353 Meta: store, Pending: f.PendingIssues, Bans: f.IssueBans, Limiter: f.SubmissionLimiter,
354 Keys: f.IssueKeys, Bus: f.Bus, Clock: clock,
355 BaseDifficulty: opts.issuePoW, MaxDifficulty: opts.issuePoW, MinFillTime: fastFill(opts.issuePoW),
356 })
357 f.Inbox = usecase.NewInbox(usecase.InboxConfig{
358 Meta: store, MergeRequests: store.MergeRequests(), Issues: store.Issues(), Pending: store.PendingIssues(),
359 })
360 f.CI.SetPullGate(f.MergeRequests)
361 log.Info().Str("fingerprint", signer.PublicKey().Fingerprint).Msg("commit signing key ready")
362
363 f.Sessions, err = usecase.NewSessions(ctx, store.Sessions(), clock, cfg.PublicURL)
364 if err != nil {
365 return nil, err
366 }
367
368 // Owner passkeys (ADR 0026): built only when the public URL allows them.
369 // When it does, a verifier that cannot be built is fatal.
370 if ok, reason := passkeysAvailable(cfg.PublicURL); ok {
371 verifier, err := webauthn.New(cfg.PublicURL, cfg.Owner)
372 if err != nil {
373 return nil, fmt.Errorf("passkeys: %w", err)
374 }
375 f.Passkeys = usecase.NewPasskeys(store.Passkeys(), verifier, f.Sessions, clock)
376 log.Info().Str("public_url", cfg.PublicURL).Msg("passkeys enabled")
377 } else {
378 log.Info().Str("reason", reason).Msg("passkeys disabled")
379 }
380
381 // One budget of failed authentications per client, for Git, the API and
382 // the web login.
383 limiter := clientlimit.NewLimiter(nil)
384 // A nil *usecase.Passkeys must not become a non-nil interface: the API
385 // tests for nil to answer failed_precondition and to leave the feature out.
386 var apiPasskeys ports.PasskeyService
387 if f.Passkeys != nil {
388 apiPasskeys = f.Passkeys
389 }
390 var apiOIDC ports.OIDCKeyService // same rule as apiPasskeys
391 if f.OIDC != nil {
392 apiOIDC = f.OIDC
393 }
394 var jobArtifacts ports.JobArtifactService
395 var artifacts ports.ArtifactService
396 if cfg.CIArtifacts {
397 jobArtifacts, artifacts = f.CI, f.CI
398 }
399 f.API = rpc.New(rpc.Config{
400 Auth: f.Auth,
401 Repos: f.Repos,
402 Tokens: f.Tokens,
403 Browse: f.Browse,
404 Events: f.EventLog,
405 MergeRequests: f.MergeRequests,
406 Issues: f.Issues,
407 IssueModeration: f.IssueModeration,
408 SigningKey: f.SigningKey,
409 TrustedKeys: f.Signatures,
410 Sessions: f.Sessions,
411 Passkeys: apiPasskeys,
412 Runner: f.CI,
413 Runs: f.CI,
414 Secrets: f.Settings,
415 Variables: f.Settings,
416 Environments: f.Settings,
417 OIDCKeys: apiOIDC,
418 JobArtifacts: jobArtifacts,
419 Artifacts: artifacts,
420 Version: serverVersion(),
421 TrustedProxies: cfg.TrustedProxies,
422 Limiter: limiter,
423 })
424
425 gh := githttp.New(githttp.Config{
426 Auth: f.Auth,
427 Repos: f.Repos,
428 Pushes: f.Pushes,
429 Backend: git,
430 Owner: cfg.Owner,
431 Hooks: f.hooks,
432 TrustedProxies: cfg.TrustedProxies,
433 Limiter: limiter,
434 MaxBodyBytes: maxBody,
435 MaxReceivePacks: opts.receivePacks,
436 })
437 routes := make([]httpserver.Route, 0, 2*len(githttp.Patterns)+len(githubapi.Patterns)+len(oidchttp.Patterns)+len(web.Patterns))
438 for _, p := range githttp.Patterns {
439 routes = append(routes, httpserver.Route{Pattern: p, Handler: gh})
440 }
441 // The owner form of the clone URL (github.repository), which GitHub's
442 // actions use. config.Owner follows the rules of repository names, so it is
443 // a literal segment that never overlaps /-/.
444 for _, p := range githttp.OwnerPatterns(cfg.Owner) {
445 routes = append(routes, httpserver.Route{Pattern: p, Handler: gh})
446 }
447 // The REST subset the actions call on github.api_url.
448 api := githubapi.New(githubapi.Config{Auth: f.Auth, API: f.CI, TrustedProxies: cfg.TrustedProxies, Limiter: limiter, MaxArchivesPerClient: opts.archivesPerClient})
449 for _, p := range githubapi.Patterns {
450 routes = append(routes, httpserver.Route{Pattern: p, Handler: api})
451 }
452 // The OIDC provider of CI jobs (issuer <public URL>/-/oidc).
453 idp := oidchttp.New(oidchttp.Config{OIDC: f.CI, TrustedProxies: cfg.TrustedProxies, Limiter: limiter})
454 for _, p := range oidchttp.Patterns {
455 routes = append(routes, httpserver.Route{Pattern: p, Handler: idp})
456 }
457 warnSessionsNeedHTTPS(ctx, cfg.PublicURL)
458 warnSharedClientKey(ctx, cfg.TrustedProxies, githttp.DefaultMaxPerClient)
459 site, err := newWeb(cfg, f, limiter)
460 if err != nil {
461 return nil, fmt.Errorf("web: %w", err)
462 }
463 routes = append(routes, webRoutes(site)...)
464 f.server = httpserver.New(httpserver.Config{
465 Addr: cfg.Addr,
466 PublicURL: cfg.PublicURL,
467 HealthChecks: []httpserver.Check{store.Check, httpserver.DirWritable(cfg.DataDir)},
468 Routes: routes,
469 API: f.API.Handler(),
470 // Event streams never end by themselves: close them when the
471 // shutdown begins, or it would wait for them until its timeout.
472 OnShutdown: []func(){func() { f.EventLog.Close(context.WithoutCancel(ctx)) }},
473 })
474 return f, nil
475}
476
477// Run listens on the configured address and serves until ctx ends.
478func (f *forge) Run(ctx context.Context) error {
479 ln, err := net.Listen("tcp", f.cfg.Addr)
480 if err != nil {
481 return fmt.Errorf("listen on %s: %w", f.cfg.Addr, err)
482 }
483 return f.Serve(ctx, ln)
484}
485
486// Serve serves HTTP on ln and the hook socket until ctx ends. The hook socket
487// outlives the HTTP server: requests still in flight while it drains are
488// pushes whose hooks need it. A failure of either stops both.
489func (f *forge) Serve(ctx context.Context, ln net.Listener) error {
490 ctx, cancel := context.WithCancel(ctx)
491 defer cancel()
492 hookCtx, stopHooks := context.WithCancel(context.WithoutCancel(ctx))
493 defer stopHooks()
494
495 hookErr := make(chan error, 1)
496 go func() {
497 err := f.hooks.Serve(hookCtx)
498 cancel() // a dead hook socket would reject every push: stop serving
499 hookErr <- err
500 }()
501
502 httpErr := f.server.Serve(ctx, ln)
503 stopHooks()
504 return errors.Join(httpErr, <-hookErr)
505}
506
507// Close releases what newForge opened. It is safe to call twice. Call it after
508// the HTTP server stopped: it stops the event log and the long-lived Git
509// processes of the read side, which requests in flight may still use.
510func (f *forge) Close(ctx context.Context) {
511 log := zerowrap.FromCtx(ctx)
512 if f.hooks != nil {
513 f.hooks.Close(ctx)
514 }
515 if f.CI != nil {
516 f.CI.Close(ctx)
517 }
518 if f.EventLog != nil {
519 f.EventLog.Close(ctx)
520 }
521 if f.reader != nil {
522 f.reader.Close()
523 }
524 if f.git != nil {
525 if err := f.git.Close(ctx); err != nil {
526 log.Error().Err(err).Msg("close git reader")
527 }
528 }
529 if f.maint != nil {
530 f.maint.Close(ctx)
531 }
532 if f.store != nil {
533 if err := f.store.Close(ctx); err != nil {
534 log.Error().Err(err).Msg("close metadata store")
535 }
536 f.store = nil
537 }
538}
539
540// artifacts gives the CI the stores and limits of the artifacts (CI-4 D3):
541// records in the kv store, contents under ci/artifacts. ERMITE_CI_ARTIFACTS=0
542// gives none, and the API then serves no artifact service.
543func artifacts(ci *usecase.CIConfig, cfg config.Config, store *kvstore.Store) {
544 if !cfg.CIArtifacts {
545 return
546 }
547 ci.Artifacts, ci.ArtifactFiles = store.Artifacts(), ciartifacts.New(ciartifacts.Dir(cfg.DataDir))
548 ci.ArtifactLimits = ports.ArtifactLimits{Retention: cfg.CIArtifactRetention, Quota: cfg.CIArtifactQuota, MaxSize: cfg.CIArtifactMax}
549}
550
551// pullRequests gives the CI the merge requests, the refs/pull refs and the
552// identity of the test merge commits (CI-3, D5).
553func (f *forge) pullRequests(cfg *usecase.CIConfig, store *kvstore.Store, git *gitcli.Git, committer domain.Identity) {
554 cfg.MRs, cfg.Pull, cfg.Committer = store.MergeRequests(), git, committer
555 if f.reader != nil {
556 cfg.Fresh = f.reader // a nil *ermitegit.Adapter must not become a non-nil interface
557 }
558}
559
560// signatures wires the commit signature checks (ADR 0030): the stored trusted
561// keys, the instance key as a builtin one for the committer email, the SSH and
562// OpenPGP verifiers, and the raw commit objects of the selected reader.
563func (f *forge) signatures(store *kvstore.Store, reader ports.RepoReader, key domain.SigningPublicKey, committer domain.Identity, clock ports.Clock) error {
564 objects, ok := reader.(ports.CommitObjectReader)
565 if !ok {
566 return errors.New("the git reader cannot read raw commit objects")
567 }
568 builtin := domain.TrustedKey{
569 ID: key.Fingerprint, Format: domain.FormatSSH, Title: "ermite instance key",
570 PublicKey: key.AuthorizedKey, Emails: []string{strings.ToLower(committer.Email)}, Builtin: true,
571 }
572 verifiers := map[domain.SignatureFormat]ports.SignatureVerifier{
573 domain.FormatSSH: sigverify.SSH{}, domain.FormatGPG: sigverify.GPG{},
574 }
575 sigs, err := usecase.NewSignatures(store.TrustedKeys(), sigverify.Inspector{}, verifiers, objects, builtin, clock)
576 if err != nil {
577 return err
578 }
579 f.Signatures = sigs
580 f.Browse.WithVerifier(sigs)
581 return nil
582}
583
584// fastFill is the minimum fill time of the public issue form for a test that
585// lowers the proof of work: next to none. Zero keeps the production value.
586func fastFill(issuePoW int) time.Duration {
587 if issuePoW > 0 {
588 return time.Nanosecond
589 }
590 return 0
591}