New makes a new Generator.
(cfg *Config, overrides metricsGeneratorOverrides, reg prometheus.Registerer, partitionRing ring.PartitionRingReader, logger log.Logger)
| 81 | |
| 82 | // New makes a new Generator. |
| 83 | func New(cfg *Config, overrides metricsGeneratorOverrides, reg prometheus.Registerer, partitionRing ring.PartitionRingReader, logger log.Logger) (*Generator, error) { |
| 84 | if cfg.Storage.Path == "" { |
| 85 | return nil, ErrUnconfigured |
| 86 | } |
| 87 | |
| 88 | if err := cfg.Validate(); err != nil { |
| 89 | return nil, err |
| 90 | } |
| 91 | |
| 92 | err := os.MkdirAll(cfg.Storage.Path, 0o700) |
| 93 | if err != nil { |
| 94 | return nil, fmt.Errorf("failed to mkdir on %s: %w", cfg.Storage.Path, err) |
| 95 | } |
| 96 | |
| 97 | g := &Generator{ |
| 98 | cfg: cfg, |
| 99 | overrides: overrides, |
| 100 | |
| 101 | instances: map[string]*instance{}, |
| 102 | failedInstances: map[string]time.Time{}, |
| 103 | |
| 104 | partitionRing: partitionRing, |
| 105 | reg: reg, |
| 106 | logger: logger, |
| 107 | } |
| 108 | g.leaveGroupFn = func(ctx context.Context) error { |
| 109 | return ingest.LeaveConsumerGroupByInstanceID(ctx, g.kafkaClient.Client, |
| 110 | g.cfg.Ingest.Kafka.ConsumerGroup, g.cfg.InstanceID, g.logger) |
| 111 | } |
| 112 | |
| 113 | g.Service = services.NewBasicService(g.starting, g.running, g.stopping) |
| 114 | return g, nil |
| 115 | } |
| 116 | |
| 117 | func (g *Generator) starting(ctx context.Context) error { |
| 118 | if g.cfg.ConsumeFromKafka { |