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feat: allow system config changes (#3876)

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* feat: run repeatable setup steps

* feat: react to system config changes

* renaming
This commit is contained in:
Livio Spring
2022-07-20 11:20:49 +02:00
committed by GitHub
parent 2707461ea6
commit 95481c2e0b
7 changed files with 424 additions and 47 deletions
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41
internal/migration/migration.go
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@@ -10,11 +10,12 @@ import (
)
const (
startedType = eventstore.EventType("system.migration.started")
doneType = eventstore.EventType("system.migration.done")
failedType = eventstore.EventType("system.migration.failed")
aggregateType = eventstore.AggregateType("system")
aggregateID = "SYSTEM"
startedType = eventstore.EventType("system.migration.started")
doneType = eventstore.EventType("system.migration.done")
failedType = eventstore.EventType("system.migration.failed")
repeatableDoneType = eventstore.EventType("system.migration.repeatable.done")
aggregateType = eventstore.AggregateType("system")
aggregateID = "SYSTEM"
)
type Migration interface {
@@ -22,7 +23,15 @@ type Migration interface {
Execute(context.Context) error
}
type RepeatableMigration interface {
Migration
SetLastExecution(lastRun map[string]interface{})
Check() bool
}
func Migrate(ctx context.Context, es *eventstore.Eventstore, migration Migration) (err error) {
logging.Infof("verify migration %s", migration.String())
if should, err := shouldExec(ctx, es, migration); !should || err != nil {
return err
}
@@ -31,6 +40,7 @@ func Migrate(ctx context.Context, es *eventstore.Eventstore, migration Migration
return err
}
logging.Infof("starting migration %s", migration.String())
err = migration.Execute(ctx)
logging.OnError(err).Error("migration failed")
@@ -48,7 +58,7 @@ func shouldExec(ctx context.Context, es *eventstore.Eventstore, migration Migrat
AddQuery().
AggregateTypes(aggregateType).
AggregateIDs(aggregateID).
EventTypes(startedType, doneType, failedType).
EventTypes(startedType, doneType, repeatableDoneType, failedType).
Builder())
if err != nil {
return false, err
@@ -68,10 +78,23 @@ func shouldExec(ctx context.Context, es *eventstore.Eventstore, migration Migrat
switch event.Type() {
case startedType, failedType:
isStarted = !isStarted
case doneType:
return false, nil
case doneType,
repeatableDoneType:
repeatable, ok := migration.(RepeatableMigration)
if !ok {
return false, nil
}
isStarted = false
repeatable.SetLastExecution(e.LastRun.(map[string]interface{}))
}
}
return !isStarted, nil
if isStarted {
return false, nil
}
repeatable, ok := migration.(RepeatableMigration)
if !ok {
return true, nil
}
return repeatable.Check(), nil
}