implement modules

- migrations
- migrate up
- migrate down to blank
- auto migrate
This commit is contained in:
Elijah Duffy
2025-05-30 16:53:53 -07:00
parent eef1c3c38d
commit d0e7689cd1
4 changed files with 356 additions and 0 deletions

29
go.mod
View File

@@ -1,3 +1,32 @@
module gitea.auvem.com/go-toolkit/migrate
go 1.24.0
require (
gitea.auvem.com/go-toolkit/app v0.0.0-20250530224140-b760b035b4d1
gitea.auvem.com/go-toolkit/dbx v0.0.0-20250530232843-55cc3ffd8364
github.com/pressly/goose/v3 v3.24.3
)
require (
filippo.io/edwards25519 v1.1.0 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/fatih/color v1.18.0 // indirect
github.com/go-jet/jet/v2 v2.13.0 // indirect
github.com/go-sql-driver/mysql v1.9.2 // indirect
github.com/google/uuid v1.6.0 // indirect
github.com/kr/text v0.2.0 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.20 // indirect
github.com/mfridman/interpolate v0.0.2 // indirect
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
github.com/pmezard/go-difflib v1.0.0 // indirect
github.com/segmentio/ksuid v1.0.4 // indirect
github.com/sethvargo/go-retry v0.3.0 // indirect
github.com/stretchr/testify v1.10.0 // indirect
go.uber.org/multierr v1.11.0 // indirect
golang.org/x/sync v0.14.0 // indirect
golang.org/x/sys v0.33.0 // indirect
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)

65
go.sum Normal file
View File

@@ -0,0 +1,65 @@
filippo.io/edwards25519 v1.1.0 h1:FNf4tywRC1HmFuKW5xopWpigGjJKiJSV0Cqo0cJWDaA=
filippo.io/edwards25519 v1.1.0/go.mod h1:BxyFTGdWcka3PhytdK4V28tE5sGfRvvvRV7EaN4VDT4=
gitea.auvem.com/go-toolkit/app v0.0.0-20250530224140-b760b035b4d1 h1:22A/8PcixfY9B+q+30aTyFUW8W4DtDIELDWP2WUdKk0=
gitea.auvem.com/go-toolkit/app v0.0.0-20250530224140-b760b035b4d1/go.mod h1:a7ENpOxndUdONE6oZ9MZAvG1ba2uq01x/LtcnDkpOj8=
gitea.auvem.com/go-toolkit/dbx v0.0.0-20250530232843-55cc3ffd8364 h1:xadjfyFYYoyy8d6AtqiNSv8OtMtav53vMpg3mVRM+10=
gitea.auvem.com/go-toolkit/dbx v0.0.0-20250530232843-55cc3ffd8364/go.mod h1:3CYeto5wVq0fcABgssDYycXGbR7ibNiN66p1HpxBdds=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
github.com/go-jet/jet/v2 v2.13.0 h1:DcD2IJRGos+4X40IQRV6S6q9onoOfZY/GPdvU6ImZcQ=
github.com/go-jet/jet/v2 v2.13.0/go.mod h1:YhT75U1FoYAxFOObbQliHmXVYQeffkBKWT7ZilZ3zPc=
github.com/go-sql-driver/mysql v1.9.2 h1:4cNKDYQ1I84SXslGddlsrMhc8k4LeDVj6Ad6WRjiHuU=
github.com/go-sql-driver/mysql v1.9.2/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/mattn/go-colorable v0.1.13 h1:fFA4WZxdEF4tXPZVKMLwD8oUnCTTo08duU7wxecdEvA=
github.com/mattn/go-colorable v0.1.13/go.mod h1:7S9/ev0klgBDR4GtXTXX8a3vIGJpMovkB8vQcUbaXHg=
github.com/mattn/go-isatty v0.0.16/go.mod h1:kYGgaQfpe5nmfYZH+SKPsOc2e4SrIfOl2e/yFXSvRLM=
github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
github.com/mfridman/interpolate v0.0.2 h1:pnuTK7MQIxxFz1Gr+rjSIx9u7qVjf5VOoM/u6BbAxPY=
github.com/mfridman/interpolate v0.0.2/go.mod h1:p+7uk6oE07mpE/Ik1b8EckO0O4ZXiGAfshKBWLUM9Xg=
github.com/ncruces/go-strftime v0.1.9 h1:bY0MQC28UADQmHmaF5dgpLmImcShSi2kHU9XLdhx/f4=
github.com/ncruces/go-strftime v0.1.9/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/pressly/goose/v3 v3.24.3 h1:DSWWNwwggVUsYZ0X2VitiAa9sKuqtBfe+Jr9zFGwWlM=
github.com/pressly/goose/v3 v3.24.3/go.mod h1:v9zYL4xdViLHCUUJh/mhjnm6JrK7Eul8AS93IxiZM4E=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec h1:W09IVJc94icq4NjY3clb7Lk8O1qJ8BdBEF8z0ibU0rE=
github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec/go.mod h1:qqbHyh8v60DhA7CoWK5oRCqLrMHRGoxYCSS9EjAz6Eo=
github.com/segmentio/ksuid v1.0.4 h1:sBo2BdShXjmcugAMwjugoGUdUV0pcxY5mW4xKRn3v4c=
github.com/segmentio/ksuid v1.0.4/go.mod h1:/XUiZBD3kVx5SmUOl55voK5yeAbBNNIed+2O73XgrPE=
github.com/sethvargo/go-retry v0.3.0 h1:EEt31A35QhrcRZtrYFDTBg91cqZVnFL2navjDrah2SE=
github.com/sethvargo/go-retry v0.3.0/go.mod h1:mNX17F0C/HguQMyMyJxcnU471gOZGxCLyYaFyAZraas=
github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6 h1:y5zboxd6LQAqYIhHnB48p0ByQ/GnQx2BE33L8BOHQkI=
golang.org/x/exp v0.0.0-20250506013437-ce4c2cf36ca6/go.mod h1:U6Lno4MTRCDY+Ba7aCcauB9T60gsv5s4ralQzP72ZoQ=
golang.org/x/sync v0.14.0 h1:woo0S4Yywslg6hp4eUFjTVOyKt0RookbpAHG4c1HmhQ=
golang.org/x/sync v0.14.0/go.mod h1:1dzgHSNfp02xaA81J2MS99Qcpr2w7fw1gpm99rleRqA=
golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/sys v0.33.0 h1:q3i8TbbEz+JRD9ywIRlyRAQbM0qF7hu24q3teo2hbuw=
golang.org/x/sys v0.33.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
modernc.org/libc v1.65.0 h1:e183gLDnAp9VJh6gWKdTy0CThL9Pt7MfcR/0bgb7Y1Y=
modernc.org/libc v1.65.0/go.mod h1:7m9VzGq7APssBTydds2zBcxGREwvIGpuUBaKTXdm2Qs=
modernc.org/mathutil v1.7.1 h1:GCZVGXdaN8gTqB1Mf/usp1Y/hSqgI2vAGGP4jZMCxOU=
modernc.org/mathutil v1.7.1/go.mod h1:4p5IwJITfppl0G4sUEDtCr4DthTaT47/N3aT6MhfgJg=
modernc.org/memory v1.10.0 h1:fzumd51yQ1DxcOxSO+S6X7+QTuVU+n8/Aj7swYjFfC4=
modernc.org/memory v1.10.0/go.mod h1:/JP4VbVC+K5sU2wZi9bHoq2MAkCnrt2r98UGeSK7Mjw=
modernc.org/sqlite v1.37.0 h1:s1TMe7T3Q3ovQiK2Ouz4Jwh7dw4ZDqbebSDTlSJdfjI=
modernc.org/sqlite v1.37.0/go.mod h1:5YiWv+YviqGMuGw4V+PNplcyaJ5v+vQd7TQOgkACoJM=

15
migrate.go Normal file
View File

@@ -0,0 +1,15 @@
package migrate
const (
// ModuleMigrationsName is the name of the migrations module.
ModuleMigrationsName = "migrations"
// ModuleMigrateUpName is the name of the migrate up module.
ModuleMigrateUpName = "migrate up"
// ModuleMigrateBlankName is the name of the migrate blank module.
ModuleMigrateBlankName = "migrate down to blank"
// ModuleAutoMigrateName is the name of the auto-migrate module.
ModuleAutoMigrateName = "auto migrate"
)

247
migrations.go Normal file
View File

@@ -0,0 +1,247 @@
package migrate
import (
"context"
"io/fs"
"log/slog"
"time"
"gitea.auvem.com/go-toolkit/app"
"gitea.auvem.com/go-toolkit/dbx"
"github.com/pressly/goose/v3"
)
// MigrationsOpts define the options for the migrations module.
type MigrationOpts struct {
// FS is the filesystem where migration files are stored.
FS fs.FS
// BasePath is the directory path where migration files are located.
// Defaults to "." if not set.
BasePath string
}
var (
// Migration stores the goose migration provider.
Migration *goose.Provider
// migrationsConfig stores the configuration for the migrations module.
migrationsConfig MigrationOpts
// migrationsModule is the singleton module instance for the migrations subsystem.
migrationsModule *app.Module
// ModuleMigrateUp applies any pending migrations.
ModuleMigrateUp = app.NewModule(ModuleMigrateUpName, app.ModuleOpts{
Setup: func() error {
_, err := ApplyPendingMigrations(context.Background(), -1)
return err
},
Depends: []string{ModuleMigrationsName},
})
// ModuleMigrateBlank resets the database to a blank state, removing all data.
ModuleMigrateBlank = app.NewModule(ModuleMigrateBlankName, app.ModuleOpts{
Setup: func() error {
_, err := MigrateToBlank()
return err
},
Depends: []string{ModuleMigrationsName},
})
// autoMigrateEnabled controls whether auto-migration is enabled.
autoMigrateEnabled bool
// autoMigrateModule is the singleton module instance for the auto-migration subsystem.
autoMigrateModule *app.Module
)
// MigrationsConfig returns the current configuration for the migrations module.
func MigrationsConfig() MigrationOpts {
migrationsModule.RequireLoaded() // ensure the migrations module is loaded
return migrationsConfig
}
// ModuleMigrations returns the migrations module with the provided configuration.
func ModuleMigrations(cfg MigrationOpts) *app.Module {
if migrationsModule != nil {
panic("ModuleMigrations initialized multiple times")
}
if cfg.BasePath == "" {
cfg.BasePath = "." // default base path if not set
}
if cfg.FS == nil {
panic("Migration filesystem (FS) must be set in the configuration")
}
migrationsConfig = cfg // store configuration at package level
migrationsModule = app.NewModule(ModuleMigrationsName, app.ModuleOpts{
Setup: setupMigrations,
Depends: []string{dbx.ModuleDBName},
})
return migrationsModule
}
// ModuleAutoMigrate returns the auto-migration module with the provided configuration.
func ModuleAutoMigrate(enabled bool) *app.Module {
if autoMigrateModule != nil {
panic("ModuleAutoMigrate initialized multiple times")
}
autoMigrateEnabled = enabled // store auto-migration state at package level
autoMigrateModule = app.NewModule(ModuleAutoMigrateName, app.ModuleOpts{
Setup: AutoMigrate,
Depends: []string{ModuleMigrationsName},
})
return autoMigrateModule
}
// setupMigrations initializes the goose migration provider.
func setupMigrations() error {
var err error
if err := goose.SetDialect("mysql"); err != nil {
slog.Error("Couldn't set database dialect for goose", "err", err)
return err
}
// Initialize the goose migration provider
Migration, err = goose.NewProvider(goose.DialectMySQL, dbx.SQLO(), migrationsConfig.FS)
if err != nil {
slog.Error("Couldn't initialize goose migration provider", "err", err)
return err
}
return nil
}
// ApplyPendingMigrations applies all pending migrations. Returns the number of
// migrations applied and an error if any occurred. The number of migrations that
// will be applied are specified by `pendingCount`. If `pendingCount` is 0, no migrations
// are applied. If `pendingCount` is negative, the number of pending migrations
// is fetched from the database.
func ApplyPendingMigrations(ctx context.Context, pendingCount int64) (int64, error) {
migrationsModule.RequireLoaded() // ensure the migrations module is loaded
if pendingCount == 0 {
return 0, nil
}
if pendingCount < 0 {
curr, target, err := Migration.GetVersions(ctx)
if err != nil {
return 0, err
}
pendingCount = target - curr
}
var count int64
for range pendingCount {
res, err := Migration.UpByOne(ctx)
if err := handleMigrationResults(res, err); err != nil {
return count, err
}
if res.Error == nil {
count++
}
}
return count, nil
}
// MigrateToBlank resets the database to a blank state, removing all data and
// running all down migrations. Returns number of migrations applied and an error
// if any occurred.
func MigrateToBlank() (int64, error) {
migrationsModule.RequireLoaded() // ensure the migrations module is loaded
ctx := context.Background()
current, target, err := Migration.GetVersions(ctx)
if err != nil {
return 0, err
}
slog.Info("Database versions", "current", current, "target", target)
var count int64
for current > 0 {
res, err := Migration.Down(ctx)
if err := handleMigrationResults(res, err); err != nil {
return count, err
}
count++
current--
}
return count, nil
}
// AutoMigrate applies any pending migrations if auto-migration is enabled.
func AutoMigrate() error {
migrationsModule.RequireLoaded() // ensure the migrations module is loaded
// Check if there are any pending migrations
migrationCtx := context.Background()
migrationCurrent, migrationTarget, err := Migration.GetVersions(migrationCtx)
if err != nil {
slog.Error("Couldn't check for pending migrations", "err", err)
return err
}
migrationFields := []any{
"current", migrationCurrent,
"target", migrationTarget,
}
if migrationCurrent >= migrationTarget {
slog.Info("No pending migrations", "version", migrationCurrent)
} else if !autoMigrateEnabled {
slog.Error(
"Pending migrations detected, but auto-migration is disabled. Please run `acrm migrate up` to apply them.",
migrationFields...,
)
return err
} else {
slog.Info("Pending migrations detected, applying them...", migrationFields...)
now := time.Now()
count, err := ApplyPendingMigrations(migrationCtx, migrationTarget-migrationCurrent)
if err != nil {
slog.Error("Couldn't apply pending migrations", "current", migrationCurrent+count, "target", migrationTarget, "err", err)
return err
}
slog.Info("Applied pending migrations", "current", migrationTarget, "appliedCount", count, "duration", time.Since(now))
}
return nil
}
// handleMigrationResults is a helper function that prints various responses
// based on a *goose.MigrationResult.
func handleMigrationResults(res *goose.MigrationResult, err error) error {
if err != nil {
return err
}
fields := []any{
"dir", res.Direction,
"version", res.Source.Version,
"source", res.Source.Path,
"duration", res.Duration,
}
if res.Error != nil {
fields = append(fields, "err", res.Error)
slog.Error("Couldn't apply migration", fields...)
return res.Error
} else if res.Empty {
slog.Warn("Applied empty migration", fields...)
} else {
slog.Info("Applied migration", fields...)
}
return nil
}