Mikescher/SimpleCloudNotifier
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Validate db schema before startup

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This commit is contained in:
Mike Schwörer
2023-05-28 19:59:57 +02:00
parent 312a31ce9e
commit e9b4db0f1c
19 changed files with 225 additions and 50 deletions
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48
scnserver/db/impl/logs/database.go
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@@ -3,13 +3,14 @@ package logs
import (
server "blackforestbytes.com/simplecloudnotifier"
"blackforestbytes.com/simplecloudnotifier/db/dbtools"
"blackforestbytes.com/simplecloudnotifier/db/impl/logs/schema"
"blackforestbytes.com/simplecloudnotifier/db/schema"
"context"
"database/sql"
"errors"
"fmt"
"github.com/jmoiron/sqlx"
_ "github.com/mattn/go-sqlite3"
"github.com/rs/zerolog/log"
"gogs.mikescher.com/BlackForestBytes/goext/langext"
"gogs.mikescher.com/BlackForestBytes/goext/sq"
"time"
@@ -67,9 +68,20 @@ func (db *Database) Migrate(ctx context.Context) error {
defer cancel()
currschema, err := db.ReadSchema(ctx)
if err != nil {
return err
}
if currschema == 0 {
_, err = db.db.Exec(ctx, schema.LogsSchema1, sq.PP{})
schemastr := schema.LogsSchema1
schemahash, err := sq.HashSqliteSchema(ctx, schemastr)
if err != nil {
return err
}
_, err = db.db.Exec(ctx, schemastr, sq.PP{})
if err != nil {
return err
}
@@ -79,7 +91,12 @@ func (db *Database) Migrate(ctx context.Context) error {
return err
}
err = db.pp.Init(ctx)
err = db.WriteMetaString(ctx, "schema_hash", schemahash)
if err != nil {
return err
}
err = db.pp.Init(ctx) // Re-Init
if err != nil {
return err
}
@@ -87,6 +104,31 @@ func (db *Database) Migrate(ctx context.Context) error {
return nil
} else if currschema == 1 {
schemHashDB, err := sq.HashSqliteDatabase(ctx, db.db)
if err != nil {
return err
}
schemaHashMeta, err := db.ReadMetaString(ctx, "schema_hash")
if err != nil {
return err
}
schemHashAsset := schema.LogsHash1
if err != nil {
return err
}
if schemHashDB != langext.Coalesce(schemaHashMeta, "") || langext.Coalesce(schemaHashMeta, "") != schemHashAsset {
log.Debug().Str("schemHashDB", schemHashDB).Msg("Schema (logs db)")
log.Debug().Str("schemaHashMeta", langext.Coalesce(schemaHashMeta, "")).Msg("Schema (logs db)")
log.Debug().Str("schemHashAsset", schemHashAsset).Msg("Schema (logs db)")
return errors.New("database schema does not match (logs db)")
} else {
log.Debug().Str("schemHash", schemHashDB).Msg("Verified Schema consistency (logs db)")
}
return nil // current
} else {
return errors.New(fmt.Sprintf("Unknown DB schema: %d", currschema))