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snapshots: Handle as separate components

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Tom Wiesing 2022-10-02 18:17:47 +02:00
parent 698f04e13e
commit 3b112f1b8e
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27 changed files with 960 additions and 789 deletions
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16
internal/component/sql/snapshot.go
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@ -3,11 +3,25 @@ package sql
import (
"io"
"github.com/FAU-CDI/wisski-distillery/internal/component"
"github.com/FAU-CDI/wisski-distillery/internal/models"
"github.com/tkw1536/goprogram/stream"
)
func (SQL) SnapshotNeedsRunning() bool { return false }
func (SQL) SnapshotName() string { return "sql" }
func (sql *SQL) Snapshot(wisski models.Instance, context component.StagingContext) error {
return context.AddDirectory(".", func() error {
return context.AddFile(wisski.SqlDatabase+".sql", func(file io.Writer) error {
return sql.SnapshotDB(context.IO(), file, wisski.SqlDatabase)
})
})
}
// SnapshotDB makes a backup of the sql database into dest.
func (sql SQL) SnapshotDB(io stream.IOStream, dest io.Writer, database string) error {
func (sql *SQL) SnapshotDB(io stream.IOStream, dest io.Writer, database string) error {
io = io.Streams(dest, nil, nil, 0).NonInteractive()
code, err := sql.Stack(sql.Environment).Exec(io, "sql", "mysqldump", "--databases", database)