zrepl/platformtest/tests/replicationCursor.go
2020-05-24 18:09:33 +02:00

76 lines
2.5 KiB
Go

package tests
import (
"fmt"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"github.com/zrepl/zrepl/endpoint"
"github.com/zrepl/zrepl/platformtest"
"github.com/zrepl/zrepl/zfs"
)
func CreateReplicationCursor(ctx *platformtest.Context) {
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
CREATEROOT
+ "foo bar"
+ "foo bar@1 with space"
R zfs bookmark "${ROOTDS}/foo bar@1 with space" "${ROOTDS}/foo bar#1 with space"
+ "foo bar@2 with space"
R zfs bookmark "${ROOTDS}/foo bar@2 with space" "${ROOTDS}/foo bar#2 with space"
+ "foo bar@3 with space"
R zfs bookmark "${ROOTDS}/foo bar@3 with space" "${ROOTDS}/foo bar#3 with space"
`)
jobid := endpoint.MustMakeJobID("zreplplatformtest")
ds, err := zfs.NewDatasetPath(ctx.RootDataset + "/foo bar")
if err != nil {
panic(err)
}
fs := ds.ToString()
checkCreateCursor := func(createErr error, c endpoint.Abstraction, references zfs.FilesystemVersion) {
assert.NoError(ctx, createErr)
expectName, err := endpoint.ReplicationCursorBookmarkName(fs, references.Guid, jobid)
assert.NoError(ctx, err)
require.Equal(ctx, expectName, c.GetFilesystemVersion().Name)
}
snap := fsversion(ctx, fs, "@1 with space")
book := fsversion(ctx, fs, "#1 with space")
// create first cursor
cursorOfSnap, err := endpoint.CreateReplicationCursor(ctx, fs, snap, jobid)
checkCreateCursor(err, cursorOfSnap, snap)
// check CreateReplicationCursor is idempotent (for snapshot target)
cursorOfSnapIdemp, err := endpoint.CreateReplicationCursor(ctx, fs, snap, jobid)
checkCreateCursor(err, cursorOfSnap, snap)
// ... for target = non-cursor bookmark
_, err = endpoint.CreateReplicationCursor(ctx, fs, book, jobid)
assert.Equal(ctx, zfs.ErrBookmarkCloningNotSupported, err)
// ... for target = replication cursor bookmark to be created
cursorOfCursor, err := endpoint.CreateReplicationCursor(ctx, fs, cursorOfSnapIdemp.GetFilesystemVersion(), jobid)
checkCreateCursor(err, cursorOfCursor, cursorOfSnap.GetFilesystemVersion())
snapProps, err := zfs.ZFSGetFilesystemVersion(ctx, snap.FullPath(fs))
if err != nil {
panic(err)
}
bm, err := endpoint.GetMostRecentReplicationCursorOfJob(ctx, fs, jobid)
if err != nil {
panic(err)
}
if bm.CreateTXG != snapProps.CreateTXG {
panic(fmt.Sprintf("createtxgs do not match: %v != %v", bm.CreateTXG, snapProps.CreateTXG))
}
if bm.Guid != snapProps.Guid {
panic(fmt.Sprintf("guids do not match: %v != %v", bm.Guid, snapProps.Guid))
}
}