137 lines
3.6 KiB
Go
137 lines
3.6 KiB
Go
package database
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import (
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"context"
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"embed"
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"fmt"
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"git.anthrove.art/Anthrove/otter-space-sdk/v4/internal/utils"
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otterError "git.anthrove.art/Anthrove/otter-space-sdk/v4/pkg/error"
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"git.anthrove.art/Anthrove/otter-space-sdk/v4/pkg/models"
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migrate "github.com/rubenv/sql-migrate"
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log "github.com/sirupsen/logrus"
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"go.opentelemetry.io/contrib/bridges/otellogrus"
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"go.opentelemetry.io/otel"
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"go.opentelemetry.io/otel/attribute"
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"gorm.io/driver/postgres"
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"gorm.io/gorm"
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)
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const tracingName = "git.anthrove.art/Anthrove/otter-space-sdk/v4/pkg/database"
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var (
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//go:embed migrations/*.sql
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embedMigrations embed.FS
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client *gorm.DB
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tracer = otel.Tracer(tracingName)
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logger = log.New()
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)
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// Connect to the Database
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func Connect(ctx context.Context, config models.DatabaseConfig) error {
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hook := otellogrus.NewHook(tracingName)
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logger.AddHook(hook)
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// Debug enabled?
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if config.Debug {
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log.SetLevel(log.DebugLevel)
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}
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ctx, span, localLogger := utils.SetupTracing(ctx, tracer, "Connect")
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defer span.End()
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localLogger = localLogger.WithFields(log.Fields{
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"endpoint": config.Endpoint,
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"port": config.Port,
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"database": config.Database,
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})
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span.SetAttributes(
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attribute.String("endpoint", config.Endpoint),
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attribute.Int("port", config.Port),
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attribute.String("database", config.Database),
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)
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utils.HandleEvent(span, localLogger, "Starting database connection")
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var localSSL string
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if config.SSL {
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localSSL = "require"
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} else {
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localSSL = "disable"
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}
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dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=%s TimeZone=%s", config.Endpoint, config.Username, config.Password, config.Database, config.Port, localSSL, config.Timezone)
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sqlDB, err := gorm.Open(postgres.Open(dsn), &gorm.Config{
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TranslateError: true,
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})
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if err != nil {
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return utils.HandleError(ctx, span, localLogger, err)
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}
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if config.Migrate {
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err = migrateDatabase(ctx, sqlDB, config)
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if err != nil {
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return utils.HandleError(ctx, span, localLogger, err)
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}
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}
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client = sqlDB
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utils.HandleEvent(span, localLogger, "Database connected successfully")
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return nil
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}
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// migrateDatabase handels the migration of ann SQL files in the migrations subfolder
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func migrateDatabase(ctx context.Context, dbPool *gorm.DB, config models.DatabaseConfig) error {
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ctx, span, localLogger := utils.SetupTracing(ctx, tracer, "migrateDatabase")
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defer span.End()
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localLogger = localLogger.WithFields(log.Fields{
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"database": config.Database,
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})
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span.SetAttributes(
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attribute.String("database", config.Database),
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)
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utils.HandleEvent(span, localLogger, "Starting database migration")
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dialect := "postgres"
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migrations := &migrate.EmbedFileSystemMigrationSource{FileSystem: embedMigrations, Root: "migrations"}
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db, err := dbPool.DB()
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if err != nil {
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return utils.HandleError(ctx, span, localLogger, err)
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}
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n, err := migrate.Exec(db, dialect, migrations, migrate.Up)
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if err != nil {
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return utils.HandleError(ctx, span, localLogger, err)
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}
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if n != 0 {
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localLogger.Debugf("applied %d migrations!", n)
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} else {
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localLogger.Debug("nothing to migrate")
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}
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utils.HandleEvent(span, localLogger, "Database migration completed successfully")
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return nil
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}
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// GetGorm returns a ready to use gorm.DB client
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func GetGorm(ctx context.Context) (*gorm.DB, error) {
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ctx, span, localLogger := utils.SetupTracing(ctx, tracer, "GetGorm")
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defer span.End()
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utils.HandleEvent(span, localLogger, "Retrieving GORM client")
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if client == nil {
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return nil, utils.HandleError(ctx, span, localLogger, &otterError.Database{Reason: otterError.DatabaseIsNotConnected})
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}
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utils.HandleEvent(span, localLogger, "GORM client retrieved successfully")
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return client, nil
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}
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