wormhole-explorer/fly/cmd/backfiller/notify.go

85 lines
2.7 KiB
Go

package main
import (
"context"
"fmt"
"github.com/aws/aws-sdk-go-v2/aws"
awsconfig "github.com/aws/aws-sdk-go-v2/config"
"github.com/aws/aws-sdk-go-v2/credentials"
"github.com/wormhole-foundation/wormhole-explorer/common/client/alert"
"github.com/wormhole-foundation/wormhole-explorer/common/client/sns"
"github.com/wormhole-foundation/wormhole-explorer/fly/internal/metrics"
"github.com/wormhole-foundation/wormhole-explorer/fly/producer"
"go.uber.org/zap"
)
// newAwsConfig creates a new AWS config from the given configuration.
func newAwsConfig(ctx context.Context, cfg WorkerConfiguration) (aws.Config, error) {
region := cfg.AwsRegion
if region == "" {
return aws.Config{}, fmt.Errorf("AWS_REGION is required")
}
awsSecretId := cfg.AwsAccessKeyId
awsSecretKey := cfg.AwsSecretKey
if awsSecretId != "" && awsSecretKey != "" {
credentials := credentials.NewStaticCredentialsProvider(awsSecretId, awsSecretKey, "")
customResolver := aws.EndpointResolverFunc(func(service, region string) (aws.Endpoint, error) {
if cfg.AwsEndpoint != "" {
return aws.Endpoint{
PartitionID: "aws",
URL: cfg.AwsEndpoint,
SigningRegion: region,
}, nil
}
return aws.Endpoint{}, &aws.EndpointNotFoundError{}
})
awsCfg, err := awsconfig.LoadDefaultConfig(ctx,
awsconfig.WithRegion(region),
awsconfig.WithEndpointResolver(customResolver),
awsconfig.WithCredentialsProvider(credentials),
)
return awsCfg, err
}
return awsconfig.LoadDefaultConfig(ctx, awsconfig.WithRegion(region))
}
// newSNSProducer creates a new SNS producer from the given configuration.
func newSNSProducer(ctx context.Context, cfg WorkerConfiguration, alertClient alert.AlertClient, metricsClient metrics.Metrics, logger *zap.Logger) (*producer.SNSProducer, error) {
if cfg.AwsSnsURL == "" {
return nil, fmt.Errorf("AWS_SNS_URL is required")
}
awsConfig, err := newAwsConfig(ctx, cfg)
if err != nil {
return nil, err
}
snsProducer, err := sns.NewProducer(awsConfig, cfg.AwsSnsURL)
if err != nil {
return nil, err
}
return producer.NewSNSProducer(snsProducer, alertClient, metricsClient, logger), nil
}
// newVAATopicProducerFunc creates a new VAA topic producer function from the given configuration.
func newVAATopicProducerFunc(ctx context.Context, cfg WorkerConfiguration, alertClient alert.AlertClient, metricsClient metrics.Metrics, logger *zap.Logger) (producer.PushFunc, error) {
if !cfg.NotifyEnabled {
return func(context.Context, *producer.Notification) error {
return nil
}, nil
}
snsProducer, err := newSNSProducer(ctx, cfg, alertClient, metricsClient, logger)
if err != nil {
logger.Fatal("could not create vaa topic producer ", zap.Error(err))
return nil, err
}
return snsProducer.Push, nil
}