119 lines
3.0 KiB
Go
119 lines
3.0 KiB
Go
package sqlstore
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"text/template"
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"github.com/golang-migrate/migrate/v4"
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"github.com/golang-migrate/migrate/v4/database"
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"github.com/golang-migrate/migrate/v4/database/postgres"
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"github.com/golang-migrate/migrate/v4/database/sqlite3"
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"github.com/golang-migrate/migrate/v4/source"
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_ "github.com/golang-migrate/migrate/v4/source/file"
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bindata "github.com/golang-migrate/migrate/v4/source/go_bindata"
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_ "github.com/lib/pq"
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"github.com/mattermost/focalboard/server/services/store/sqlstore/migrations"
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)
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type PrefixedMigration struct {
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*bindata.Bindata
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prefix string
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postgres bool
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sqlite bool
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}
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func init() {
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source.Register("prefixed-migrations", &PrefixedMigration{})
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}
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func (pm *PrefixedMigration) ReadUp(version uint) (io.ReadCloser, string, error) {
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r, identifier, err := pm.Bindata.ReadUp(version)
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if err != nil {
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return nil, "", err
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}
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data, err := ioutil.ReadAll(r)
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if err != nil {
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return nil, "", err
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}
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tmpl, err := template.New("sql").Parse(string(data))
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if err != nil {
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return nil, "", err
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}
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buffer := bytes.NewBufferString("")
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err = tmpl.Execute(buffer, map[string]interface{}{"prefix": pm.prefix, "postgres": pm.postgres, "sqlite": pm.sqlite})
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if err != nil {
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return nil, "", err
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}
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return ioutil.NopCloser(bytes.NewReader(buffer.Bytes())), identifier, nil
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}
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func (pm *PrefixedMigration) ReadDown(version uint) (io.ReadCloser, string, error) {
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r, identifier, err := pm.Bindata.ReadDown(version)
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if err != nil {
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return nil, "", err
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}
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data, err := ioutil.ReadAll(r)
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if err != nil {
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return nil, "", err
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}
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tmpl, err := template.New("sql").Parse(string(data))
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if err != nil {
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return nil, "", err
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}
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buffer := bytes.NewBufferString("")
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err = tmpl.Execute(buffer, map[string]interface{}{"prefix": pm.prefix, "postgres": pm.postgres, "sqlite": pm.sqlite})
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if err != nil {
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return nil, "", err
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}
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return ioutil.NopCloser(bytes.NewReader(buffer.Bytes())), identifier, nil
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}
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func (s *SQLStore) Migrate() error {
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var driver database.Driver
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var err error
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migrationsTable := fmt.Sprintf("%sschema_migrations", s.tablePrefix)
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if s.dbType == "sqlite3" {
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driver, err = sqlite3.WithInstance(s.db, &sqlite3.Config{MigrationsTable: migrationsTable})
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if err != nil {
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return err
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}
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}
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if s.dbType == "postgres" {
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driver, err = postgres.WithInstance(s.db, &postgres.Config{MigrationsTable: migrationsTable})
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if err != nil {
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return err
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}
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}
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bresource := bindata.Resource(migrations.AssetNames(), migrations.Asset)
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d, err := bindata.WithInstance(bresource)
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if err != nil {
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return err
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}
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prefixedData := &PrefixedMigration{
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Bindata: d.(*bindata.Bindata),
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prefix: s.tablePrefix,
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postgres: s.dbType == "postgres",
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sqlite: s.dbType == "sqlite3",
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}
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m, err := migrate.NewWithInstance("prefixed-migration", prefixedData, s.dbType, driver)
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if err != nil {
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return err
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}
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err = m.Up()
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if err != nil && !errors.Is(err, migrate.ErrNoChange) && !errors.Is(err, os.ErrNotExist) {
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return err
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}
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return nil
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}
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