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103 lines
2.5 KiB
Go
103 lines
2.5 KiB
Go
package datastore
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import (
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"database/sql"
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"os"
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"github.com/drone/drone/shared/envconfig"
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"github.com/drone/drone/store"
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"github.com/drone/drone/store/migration"
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_ "github.com/go-sql-driver/mysql"
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_ "github.com/lib/pq"
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_ "github.com/mattn/go-sqlite3"
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"github.com/rubenv/sql-migrate"
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"github.com/russross/meddler"
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log "github.com/Sirupsen/logrus"
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)
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// Load opens a new database connection with the specified driver
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// and connection string specified in the environment variables.
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func Load(env envconfig.Env) store.Store {
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var (
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driver = env.String("DATABASE_DRIVER", "sqlite3")
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config = env.String("DATABASE_CONFIG", "drone.sqlite")
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)
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log.Infof("using database driver %s", driver)
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log.Infof("using database config %s", config)
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return New(driver, config)
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}
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func New(driver, config string) store.Store {
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conn := Open(driver, config)
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return store.New(
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driver,
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&nodestore{conn},
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&userstore{conn},
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&repostore{conn},
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&keystore{conn},
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&buildstore{conn},
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&jobstore{conn},
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&logstore{conn},
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)
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}
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// Open opens a new database connection with the specified
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// driver and connection string and returns a store.
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func Open(driver, config string) *sql.DB {
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db, err := sql.Open(driver, config)
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if err != nil {
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log.Errorln(err)
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log.Fatalln("database connection failed")
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}
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setupMeddler(driver)
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if err := setupDatabase(driver, db); err != nil {
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log.Errorln(err)
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log.Fatalln("migration failed")
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}
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return db
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}
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// OpenTest opens a new database connection for testing purposes.
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// The database driver and connection string are provided by
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// environment variables, with fallback to in-memory sqlite.
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func openTest() *sql.DB {
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var (
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driver = "sqlite3"
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config = ":memory:"
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)
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if os.Getenv("DATABASE_DRIVER") != "" {
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driver = os.Getenv("DATABASE_DRIVER")
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config = os.Getenv("DATABASE_CONFIG")
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}
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return Open(driver, config)
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}
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// helper function to setup the databsae by performing
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// automated database migration steps.
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func setupDatabase(driver string, db *sql.DB) error {
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var migrations = &migrate.AssetMigrationSource{
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Asset: migration.Asset,
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AssetDir: migration.AssetDir,
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Dir: driver,
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}
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_, err := migrate.Exec(db, driver, migrations, migrate.Up)
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return err
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}
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// helper function to setup the meddler default driver
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// based on the selected driver name.
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func setupMeddler(driver string) {
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switch driver {
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case "sqlite3":
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meddler.Default = meddler.SQLite
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case "mysql":
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meddler.Default = meddler.MySQL
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case "postgres":
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meddler.Default = meddler.PostgreSQL
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}
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}
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