lewis.moe
Monorepo for Tangled
1package state
2
3import (
4 "context"
5 "encoding/json"
6 "errors"
7 "fmt"
8 "slices"
9 "time"
10
11 "tangled.org/core/appview/notify"
12
13 "tangled.org/core/api/tangled"
14 "tangled.org/core/appview/cache"
15 "tangled.org/core/appview/config"
16 "tangled.org/core/appview/db"
17 "tangled.org/core/appview/models"
18 ec "tangled.org/core/eventconsumer"
19 "tangled.org/core/eventconsumer/cursor"
20 "tangled.org/core/log"
21 "tangled.org/core/orm"
22 "tangled.org/core/rbac"
23 "tangled.org/core/workflow"
24
25 "github.com/bluesky-social/indigo/atproto/syntax"
26 "github.com/go-git/go-git/v5/plumbing"
27 "github.com/posthog/posthog-go"
28)
29
30func Knotstream(ctx context.Context, c *config.Config, d *db.DB, enforcer *rbac.Enforcer, posthog posthog.Client, notifier notify.Notifier) (*ec.Consumer, error) {
31 logger := log.FromContext(ctx)
32 logger = log.SubLogger(logger, "knotstream")
33
34 knots, err := db.GetRegistrations(
35 d,
36 orm.FilterIsNot("registered", "null"),
37 )
38 if err != nil {
39 return nil, err
40 }
41
42 srcs := make(map[ec.Source]struct{})
43 for _, k := range knots {
44 s := ec.NewKnotSource(k.Domain)
45 srcs[s] = struct{}{}
46 }
47
48 cache := cache.New(c.Redis.Addr)
49 cursorStore := cursor.NewRedisCursorStore(cache)
50
51 cfg := ec.ConsumerConfig{
52 Sources: srcs,
53 ProcessFunc: knotIngester(d, enforcer, posthog, notifier, c.Core.Dev),
54 RetryInterval: c.Knotstream.RetryInterval,
55 MaxRetryInterval: c.Knotstream.MaxRetryInterval,
56 ConnectionTimeout: c.Knotstream.ConnectionTimeout,
57 WorkerCount: c.Knotstream.WorkerCount,
58 QueueSize: c.Knotstream.QueueSize,
59 Logger: logger,
60 Dev: c.Core.Dev,
61 CursorStore: &cursorStore,
62 }
63
64 return ec.NewConsumer(cfg), nil
65}
66
67func knotIngester(d *db.DB, enforcer *rbac.Enforcer, posthog posthog.Client, notifier notify.Notifier, dev bool) ec.ProcessFunc {
68 return func(ctx context.Context, source ec.Source, msg ec.Message) error {
69 switch msg.Nsid {
70 case tangled.GitRefUpdateNSID:
71 return ingestRefUpdate(d, enforcer, posthog, notifier, dev, source, msg, ctx)
72 case tangled.PipelineNSID:
73 return ingestPipeline(d, source, msg)
74 }
75
76 return nil
77 }
78}
79
80func ingestRefUpdate(d *db.DB, enforcer *rbac.Enforcer, pc posthog.Client, notifier notify.Notifier, dev bool, source ec.Source, msg ec.Message, ctx context.Context) error {
81 logger := log.FromContext(ctx)
82
83 var record tangled.GitRefUpdate
84 err := json.Unmarshal(msg.EventJson, &record)
85 if err != nil {
86 return err
87 }
88
89 knownKnots, err := enforcer.GetKnotsForUser(record.CommitterDid)
90 if err != nil {
91 return err
92 }
93 if !slices.Contains(knownKnots, source.Key()) {
94 return fmt.Errorf("%s does not belong to %s, something is fishy", record.CommitterDid, source.Key())
95 }
96
97 logger.Info("processing gitRefUpdate event",
98 "repo_did", record.RepoDid,
99 "repo_name", record.RepoName,
100 "ref", record.Ref,
101 "old_sha", record.OldSha,
102 "new_sha", record.NewSha)
103
104 // trigger webhook notifications first (before other ops that might fail)
105 var errWebhook error
106 repos, err := db.GetRepos(
107 d,
108 0,
109 orm.FilterEq("did", record.RepoDid),
110 orm.FilterEq("name", record.RepoName),
111 )
112 if err != nil {
113 errWebhook = fmt.Errorf("failed to lookup repo for webhooks: %w", err)
114 } else if len(repos) == 1 {
115 notifier.Push(ctx, &repos[0], record.Ref, record.OldSha, record.NewSha, record.CommitterDid)
116 }
117
118 errPunchcard := populatePunchcard(d, record)
119 errLanguages := updateRepoLanguages(d, record)
120
121 var errPosthog error
122 if !dev && record.CommitterDid != "" {
123 errPosthog = pc.Enqueue(posthog.Capture{
124 DistinctId: record.CommitterDid,
125 Event: "git_ref_update",
126 })
127 }
128
129 return errors.Join(errWebhook, errPunchcard, errLanguages, errPosthog)
130}
131
132func populatePunchcard(d *db.DB, record tangled.GitRefUpdate) error {
133 if record.CommitterDid == "" {
134 return nil
135 }
136
137 knownEmails, err := db.GetAllEmails(d, record.CommitterDid)
138 if err != nil {
139 return err
140 }
141
142 count := 0
143 for _, ke := range knownEmails {
144 if record.Meta == nil {
145 continue
146 }
147 if record.Meta.CommitCount == nil {
148 continue
149 }
150 for _, ce := range record.Meta.CommitCount.ByEmail {
151 if ce == nil {
152 continue
153 }
154 if ce.Email == ke.Address || ce.Email == record.CommitterDid {
155 count += int(ce.Count)
156 }
157 }
158 }
159
160 punch := models.Punch{
161 Did: record.CommitterDid,
162 Date: time.Now(),
163 Count: count,
164 }
165 return db.AddPunch(d, punch)
166}
167
168func updateRepoLanguages(d *db.DB, record tangled.GitRefUpdate) error {
169 if record.Meta == nil || record.Meta.LangBreakdown == nil || record.Meta.LangBreakdown.Inputs == nil {
170 return fmt.Errorf("empty language data for repo: %s/%s", record.RepoDid, record.RepoName)
171 }
172
173 repos, err := db.GetRepos(
174 d,
175 0,
176 orm.FilterEq("did", record.RepoDid),
177 orm.FilterEq("name", record.RepoName),
178 )
179 if err != nil {
180 return fmt.Errorf("failed to look for repo in DB (%s/%s): %w", record.RepoDid, record.RepoName, err)
181 }
182 if len(repos) != 1 {
183 return fmt.Errorf("incorrect number of repos returned: %d (expected 1)", len(repos))
184 }
185 repo := repos[0]
186
187 ref := plumbing.ReferenceName(record.Ref)
188 if !ref.IsBranch() {
189 return fmt.Errorf("%s is not a valid reference name", ref)
190 }
191
192 var langs []models.RepoLanguage
193 for _, l := range record.Meta.LangBreakdown.Inputs {
194 if l == nil {
195 continue
196 }
197
198 langs = append(langs, models.RepoLanguage{
199 RepoAt: repo.RepoAt(),
200 Ref: ref.Short(),
201 IsDefaultRef: record.Meta.IsDefaultRef,
202 Language: l.Lang,
203 Bytes: l.Size,
204 })
205 }
206
207 tx, err := d.Begin()
208 if err != nil {
209 return err
210 }
211 defer tx.Rollback()
212
213 // update appview's cache
214 err = db.UpdateRepoLanguages(tx, repo.RepoAt(), ref.Short(), langs)
215 if err != nil {
216 fmt.Printf("failed; %s\n", err)
217 // non-fatal
218 }
219
220 return tx.Commit()
221}
222
223func ingestPipeline(d *db.DB, source ec.Source, msg ec.Message) error {
224 var record tangled.Pipeline
225 err := json.Unmarshal(msg.EventJson, &record)
226 if err != nil {
227 return err
228 }
229
230 if record.TriggerMetadata == nil {
231 return fmt.Errorf("empty trigger metadata: nsid %s, rkey %s", msg.Nsid, msg.Rkey)
232 }
233
234 if record.TriggerMetadata.Repo == nil {
235 return fmt.Errorf("empty repo: nsid %s, rkey %s", msg.Nsid, msg.Rkey)
236 }
237
238 // does this repo have a spindle configured?
239 repos, err := db.GetRepos(
240 d,
241 0,
242 orm.FilterEq("did", record.TriggerMetadata.Repo.Did),
243 orm.FilterEq("name", record.TriggerMetadata.Repo.Repo),
244 )
245 if err != nil {
246 return fmt.Errorf("failed to look for repo in DB: nsid %s, rkey %s, %w", msg.Nsid, msg.Rkey, err)
247 }
248 if len(repos) != 1 {
249 return fmt.Errorf("incorrect number of repos returned: %d (expected 1)", len(repos))
250 }
251 if repos[0].Spindle == "" {
252 return fmt.Errorf("repo does not have a spindle configured yet: nsid %s, rkey %s", msg.Nsid, msg.Rkey)
253 }
254
255 // trigger info
256 var trigger models.Trigger
257 var sha string
258 trigger.Kind = workflow.TriggerKind(record.TriggerMetadata.Kind)
259 switch trigger.Kind {
260 case workflow.TriggerKindPush:
261 trigger.PushRef = &record.TriggerMetadata.Push.Ref
262 trigger.PushNewSha = &record.TriggerMetadata.Push.NewSha
263 trigger.PushOldSha = &record.TriggerMetadata.Push.OldSha
264 sha = *trigger.PushNewSha
265 case workflow.TriggerKindPullRequest:
266 trigger.PRSourceBranch = &record.TriggerMetadata.PullRequest.SourceBranch
267 trigger.PRTargetBranch = &record.TriggerMetadata.PullRequest.TargetBranch
268 trigger.PRSourceSha = &record.TriggerMetadata.PullRequest.SourceSha
269 trigger.PRAction = &record.TriggerMetadata.PullRequest.Action
270 sha = *trigger.PRSourceSha
271 }
272
273 tx, err := d.Begin()
274 if err != nil {
275 return fmt.Errorf("failed to start txn: %w", err)
276 }
277
278 triggerId, err := db.AddTrigger(tx, trigger)
279 if err != nil {
280 return fmt.Errorf("failed to add trigger entry: %w", err)
281 }
282
283 pipeline := models.Pipeline{
284 Rkey: msg.Rkey,
285 Knot: source.Key(),
286 RepoOwner: syntax.DID(record.TriggerMetadata.Repo.Did),
287 RepoName: record.TriggerMetadata.Repo.Repo,
288 TriggerId: int(triggerId),
289 Sha: sha,
290 }
291
292 err = db.AddPipeline(tx, pipeline)
293 if err != nil {
294 return fmt.Errorf("failed to add pipeline: %w", err)
295 }
296
297 err = tx.Commit()
298 if err != nil {
299 return fmt.Errorf("failed to commit txn: %w", err)
300 }
301
302 return nil
303}