monorepo/cloud/maplepress-backend/pkg/storage/database/cassandra.go

121 lines
3.1 KiB
Go

// File Path: monorepo/cloud/maplepress-backend/pkg/storage/database/cassandra/cassandra.go
package database
import (
"fmt"
"strings"
"time"
"codeberg.org/mapleopentech/monorepo/cloud/maplepress-backend/config"
"github.com/gocql/gocql"
"go.uber.org/zap"
)
// gocqlLogger wraps zap logger to filter out noisy gocql warnings
type gocqlLogger struct {
logger *zap.Logger
}
// Print implements gocql's Logger interface
func (l *gocqlLogger) Print(v ...interface{}) {
msg := fmt.Sprint(v...)
// Filter out noisy "invalid peer" warnings from Cassandra gossip
// These are harmless and occur due to Docker networking
if strings.Contains(msg, "Found invalid peer") {
return
}
// Log other messages at debug level
l.logger.Debug(msg)
}
// Printf implements gocql's Logger interface
func (l *gocqlLogger) Printf(format string, v ...interface{}) {
msg := fmt.Sprintf(format, v...)
// Filter out noisy "invalid peer" warnings from Cassandra gossip
if strings.Contains(msg, "Found invalid peer") {
return
}
// Log other messages at debug level
l.logger.Debug(msg)
}
// Println implements gocql's Logger interface
func (l *gocqlLogger) Println(v ...interface{}) {
msg := fmt.Sprintln(v...)
// Filter out noisy "invalid peer" warnings from Cassandra gossip
if strings.Contains(msg, "Found invalid peer") {
return
}
// Log other messages at debug level
l.logger.Debug(msg)
}
// ProvideCassandraSession creates a new Cassandra session
func ProvideCassandraSession(cfg *config.Config, logger *zap.Logger) (*gocql.Session, error) {
logger.Info("⏳ Connecting to Cassandra...",
zap.Strings("hosts", cfg.Database.Hosts),
zap.String("keyspace", cfg.Database.Keyspace))
// Create cluster configuration
cluster := gocql.NewCluster(cfg.Database.Hosts...)
cluster.Keyspace = cfg.Database.Keyspace
cluster.Consistency = parseConsistency(cfg.Database.Consistency)
cluster.ProtoVersion = 4
cluster.ConnectTimeout = 10 * time.Second
cluster.Timeout = 10 * time.Second
cluster.NumConns = 2
// Set custom logger to filter out noisy warnings
cluster.Logger = &gocqlLogger{logger: logger.Named("gocql")}
// Retry policy
cluster.RetryPolicy = &gocql.ExponentialBackoffRetryPolicy{
NumRetries: 3,
Min: 1 * time.Second,
Max: 10 * time.Second,
}
// Create session
session, err := cluster.CreateSession()
if err != nil {
return nil, fmt.Errorf("failed to connect to Cassandra: %w", err)
}
logger.Info("✓ Cassandra connected",
zap.String("consistency", cfg.Database.Consistency),
zap.Int("connections", cluster.NumConns))
return session, nil
}
// parseConsistency converts string consistency level to gocql.Consistency
func parseConsistency(consistency string) gocql.Consistency {
switch consistency {
case "ANY":
return gocql.Any
case "ONE":
return gocql.One
case "TWO":
return gocql.Two
case "THREE":
return gocql.Three
case "QUORUM":
return gocql.Quorum
case "ALL":
return gocql.All
case "LOCAL_QUORUM":
return gocql.LocalQuorum
case "EACH_QUORUM":
return gocql.EachQuorum
case "LOCAL_ONE":
return gocql.LocalOne
default:
return gocql.Quorum // Default to QUORUM
}
}