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| 1 | +// Copyright (c) 2025 Uber Technologies, Inc. |
| 2 | +// |
| 3 | +// Licensed under the Apache License, Version 2.0 (the "License"); |
| 4 | +// you may not use this file except in compliance with the License. |
| 5 | +// You may obtain a copy of the License at |
| 6 | +// |
| 7 | +// http://www.apache.org/licenses/LICENSE-2.0 |
| 8 | +// |
| 9 | +// Unless required by applicable law or agreed to in writing, software |
| 10 | +// distributed under the License is distributed on an "AS IS" BASIS, |
| 11 | +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 12 | +// See the License for the specific language governing permissions and |
| 13 | +// limitations under the License. |
| 14 | + |
| 15 | +package main |
| 16 | + |
| 17 | +import ( |
| 18 | + "context" |
| 19 | + "database/sql" |
| 20 | + "errors" |
| 21 | + "fmt" |
| 22 | + "os" |
| 23 | + "os/signal" |
| 24 | + "sync" |
| 25 | + "syscall" |
| 26 | + "time" |
| 27 | + |
| 28 | + _ "github.com/go-sql-driver/mysql" |
| 29 | + "github.com/uber-go/tally" |
| 30 | + "github.com/uber/submitqueue/platform/consumer" |
| 31 | + "github.com/uber/submitqueue/platform/errs" |
| 32 | + genericerrs "github.com/uber/submitqueue/platform/errs/generic" |
| 33 | + mysqlerrs "github.com/uber/submitqueue/platform/errs/mysql" |
| 34 | + extqueue "github.com/uber/submitqueue/platform/extension/messagequeue" |
| 35 | + queueMySQL "github.com/uber/submitqueue/platform/extension/messagequeue/mysql" |
| 36 | + "github.com/uber/submitqueue/runway/core/topickey" |
| 37 | + "github.com/uber/submitqueue/runway/extension/vcs" |
| 38 | + "github.com/uber/submitqueue/runway/extension/vcs/noop" |
| 39 | + "github.com/uber/submitqueue/runway/orchestrator/controller/merge" |
| 40 | + "github.com/uber/submitqueue/runway/orchestrator/controller/mergeconflictcheck" |
| 41 | + "go.uber.org/zap" |
| 42 | +) |
| 43 | + |
| 44 | +// noopVCSFactory adapts the noop VCS into the vcs.Factory interface. |
| 45 | +type noopVCSFactory struct { |
| 46 | + instance *noop.VCS |
| 47 | +} |
| 48 | + |
| 49 | +func (f *noopVCSFactory) For(_ vcs.Config) (vcs.VCS, error) { |
| 50 | + return f.instance, nil |
| 51 | +} |
| 52 | + |
| 53 | +func main() { |
| 54 | + code := 0 |
| 55 | + if err := run(); err != nil { |
| 56 | + if errors.Is(err, context.Canceled) { |
| 57 | + fmt.Println("Runway orchestrator server stopped by signal") |
| 58 | + code = 128 + int(syscall.SIGTERM) |
| 59 | + } else { |
| 60 | + fmt.Fprintf(os.Stderr, "Runway orchestrator server failure: %v\n", err) |
| 61 | + code = 1 |
| 62 | + } |
| 63 | + } |
| 64 | + os.Exit(code) |
| 65 | +} |
| 66 | + |
| 67 | +func run() error { |
| 68 | + ctx, cancel := signal.NotifyContext(context.Background(), syscall.SIGINT, syscall.SIGTERM) |
| 69 | + defer cancel() |
| 70 | + |
| 71 | + logger, err := zap.NewDevelopment() |
| 72 | + if err != nil { |
| 73 | + return fmt.Errorf("failed to create logger: %w", err) |
| 74 | + } |
| 75 | + defer logger.Sync() |
| 76 | + |
| 77 | + scope := tally.NewTestScope("runway_orchestrator", nil) |
| 78 | + metricsStopCh := make(chan any, 1) |
| 79 | + metricsWgDone := sync.WaitGroup{} |
| 80 | + metricsWgDone.Add(1) |
| 81 | + go func() { |
| 82 | + defer metricsWgDone.Done() |
| 83 | + |
| 84 | + ticker := time.NewTicker(10 * time.Second) |
| 85 | + defer ticker.Stop() |
| 86 | + |
| 87 | + for { |
| 88 | + select { |
| 89 | + case <-metricsStopCh: |
| 90 | + return |
| 91 | + case <-ticker.C: |
| 92 | + snapshot := scope.Snapshot() |
| 93 | + logger.Info("metrics snapshot", |
| 94 | + zap.Any("counters", snapshot.Counters()), |
| 95 | + zap.Any("gauges", snapshot.Gauges()), |
| 96 | + zap.Any("timers", snapshot.Timers()), |
| 97 | + ) |
| 98 | + } |
| 99 | + } |
| 100 | + }() |
| 101 | + |
| 102 | + defer func() { |
| 103 | + close(metricsStopCh) |
| 104 | + metricsWgDone.Wait() |
| 105 | + }() |
| 106 | + |
| 107 | + queueDSN := os.Getenv("QUEUE_MYSQL_DSN") |
| 108 | + if queueDSN == "" { |
| 109 | + return fmt.Errorf("QUEUE_MYSQL_DSN environment variable is required") |
| 110 | + } |
| 111 | + queueDB, err := sql.Open("mysql", queueDSN) |
| 112 | + if err != nil { |
| 113 | + return fmt.Errorf("failed to open queue database: %w", err) |
| 114 | + } |
| 115 | + defer queueDB.Close() |
| 116 | + |
| 117 | + mysqlQueue, err := queueMySQL.NewQueue(queueMySQL.Params{ |
| 118 | + DB: queueDB, |
| 119 | + Logger: logger, |
| 120 | + MetricsScope: scope.SubScope("queue"), |
| 121 | + }) |
| 122 | + if err != nil { |
| 123 | + return fmt.Errorf("failed to create queue: %w", err) |
| 124 | + } |
| 125 | + defer mysqlQueue.Close() |
| 126 | + |
| 127 | + logger.Info("initialized queue", zap.String("dsn", queueDSN)) |
| 128 | + |
| 129 | + subscriberName := os.Getenv("HOSTNAME") |
| 130 | + if subscriberName == "" { |
| 131 | + subscriberName = fmt.Sprintf("runway-orchestrator-%d", time.Now().Unix()) |
| 132 | + } |
| 133 | + |
| 134 | + registry, err := newTopicRegistry(mysqlQueue, subscriberName) |
| 135 | + if err != nil { |
| 136 | + return fmt.Errorf("failed to create topic registry: %w", err) |
| 137 | + } |
| 138 | + |
| 139 | + vcsFactory := &noopVCSFactory{instance: noop.New()} |
| 140 | + |
| 141 | + primaryConsumer := consumer.New(logger.Sugar(), scope.SubScope("consumer"), registry, |
| 142 | + errs.NewClassifierProcessor( |
| 143 | + genericerrs.Classifier, |
| 144 | + mysqlerrs.Classifier, |
| 145 | + ), |
| 146 | + ) |
| 147 | + |
| 148 | + checkController := mergeconflictcheck.NewController(mergeconflictcheck.Params{ |
| 149 | + Logger: logger.Sugar(), |
| 150 | + Scope: scope, |
| 151 | + Registry: registry, |
| 152 | + VCSFactory: vcsFactory, |
| 153 | + TopicKey: topickey.TopicKeyMergeConflictCheck, |
| 154 | + ConsumerGroup: "runway-merge-conflict-check", |
| 155 | + }) |
| 156 | + if err := primaryConsumer.Register(checkController); err != nil { |
| 157 | + return fmt.Errorf("failed to register merge-conflict-check controller: %w", err) |
| 158 | + } |
| 159 | + |
| 160 | + mergeController := merge.NewController(merge.Params{ |
| 161 | + Logger: logger.Sugar(), |
| 162 | + Scope: scope, |
| 163 | + Registry: registry, |
| 164 | + VCSFactory: vcsFactory, |
| 165 | + TopicKey: topickey.TopicKeyMerge, |
| 166 | + ConsumerGroup: "runway-merge", |
| 167 | + }) |
| 168 | + if err := primaryConsumer.Register(mergeController); err != nil { |
| 169 | + return fmt.Errorf("failed to register merge controller: %w", err) |
| 170 | + } |
| 171 | + |
| 172 | + logger.Info("controllers registered", zap.Int("primary", 2)) |
| 173 | + |
| 174 | + if err := primaryConsumer.Start(ctx); err != nil { |
| 175 | + return fmt.Errorf("failed to start primary consumer: %w", err) |
| 176 | + } |
| 177 | + |
| 178 | + fmt.Println("Runway orchestrator server is running (consumer-only, no gRPC)") |
| 179 | + fmt.Println("Press Ctrl+C to stop, or send a SIGTERM.") |
| 180 | + |
| 181 | + <-ctx.Done() |
| 182 | + fmt.Println("Shutting down runway orchestrator server due to interruption signal...") |
| 183 | + |
| 184 | + stopErr := primaryConsumer.Stop(30000) |
| 185 | + if stopErr != nil { |
| 186 | + return fmt.Errorf("failed to stop consumer: %w", stopErr) |
| 187 | + } |
| 188 | + |
| 189 | + return ctx.Err() |
| 190 | +} |
| 191 | + |
| 192 | +func newTopicRegistry(q extqueue.Queue, subscriberName string) (consumer.TopicRegistry, error) { |
| 193 | + return consumer.NewTopicRegistry([]consumer.TopicConfig{ |
| 194 | + { |
| 195 | + Key: topickey.TopicKeyMergeConflictCheck, |
| 196 | + Name: "merge-conflict-checker", |
| 197 | + Queue: q, |
| 198 | + Subscription: extqueue.DefaultSubscriptionConfig( |
| 199 | + subscriberName, "runway-merge-conflict-check", |
| 200 | + ), |
| 201 | + }, |
| 202 | + { |
| 203 | + Key: topickey.TopicKeyMerge, |
| 204 | + Name: "merger", |
| 205 | + Queue: q, |
| 206 | + Subscription: extqueue.DefaultSubscriptionConfig( |
| 207 | + subscriberName, "runway-merge", |
| 208 | + ), |
| 209 | + }, |
| 210 | + { |
| 211 | + Key: topickey.TopicKeyMergeConflictCheckSignal, |
| 212 | + Name: "merge-conflict-checker-signal", |
| 213 | + Queue: q, |
| 214 | + }, |
| 215 | + { |
| 216 | + Key: topickey.TopicKeyMergeSignal, |
| 217 | + Name: "merger-signal", |
| 218 | + Queue: q, |
| 219 | + }, |
| 220 | + }) |
| 221 | +} |
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