mirror of
https://github.com/zrepl/zrepl.git
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bbdc6f5465
Before this PR, we would panic in the `check` phase of `endpoint.Send()`'s `TryBatchDestroy` call in the following cases: the current protection strategy does NOT produce a tentative replication cursor AND * `FromVersion` is a tentative cursor bookmark * `FromVersion` is a snapshot, and there exists a tentative cursor bookmark for that snapshot * `FromVersion` is a bookmark != tentative cursor bookmark, but there exists a tentative cursor bookmark for the same snapshot as the `FromVersion` bookmark In those cases, the `check` concluded that we would delete `FromVersion`. It came to that conclusion because the tentative cursor isn't part of `obsoleteAbs` if the protection strategy doesn't produce a tentative replication cursor. The scenarios above can happen if the user changes the protection strategy from "with tentative cursor" to one "without tentative replication cursor", while there is a tentative replication cursor on disk. The workaround was to rename the tentative cursor. In all cases above, `TryBatchDestroy` would have destroyed the tentative cursor. In case 1, that would fail the `Send` step and potentially break replication if the cursor is the last common bookmark. The `check` conclusion was correct. In cases 2 and 3, deleting the tentative cursor would have been fine because `FromVersion` was a different entity than the tentative cursor. So, destroying the tentative cursor would be the right call. The solution in this PR is as follows: * add the `FromVersion` to the `liveAbs` set of live abstractions * rewrite the `check` closure to use the full dataset path (`fullpath`) to identify the concrete ZFS object instead of the `zfs.FilesystemVersionEqualIdentity`, which is only identified by matching GUID. * Holds have no dataset path and are not the `FromVersion` in any case, so disregard them. fixes #666
1486 lines
49 KiB
Go
1486 lines
49 KiB
Go
package tests
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import (
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"context"
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"fmt"
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"io"
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"os"
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"path"
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"sort"
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"strings"
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"time"
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"github.com/kr/pretty"
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"github.com/stretchr/testify/require"
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"github.com/zrepl/zrepl/daemon/filters"
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"github.com/zrepl/zrepl/endpoint"
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"github.com/zrepl/zrepl/platformtest"
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"github.com/zrepl/zrepl/replication"
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"github.com/zrepl/zrepl/replication/driver"
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"github.com/zrepl/zrepl/replication/logic"
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"github.com/zrepl/zrepl/replication/logic/pdu"
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"github.com/zrepl/zrepl/replication/report"
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"github.com/zrepl/zrepl/util/bandwidthlimit"
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"github.com/zrepl/zrepl/util/limitio"
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"github.com/zrepl/zrepl/util/nodefault"
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"github.com/zrepl/zrepl/zfs"
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zfsprop "github.com/zrepl/zrepl/zfs/property"
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)
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// mimics the replication invocations of an active-side job
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// for a single sender-receiver filesystem pair
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//
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// each invocation of method Do results in the construction
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// of a new sender and receiver instance and one blocking invocation
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// of the replication engine without encryption
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type replicationInvocation struct {
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sjid, rjid endpoint.JobID
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sfs string
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sfilter *filters.DatasetMapFilter
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rfsRoot string
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interceptSender func(e *endpoint.Sender) logic.Sender
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interceptReceiver func(e *endpoint.Receiver) logic.Receiver
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guarantee *pdu.ReplicationConfigProtection
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senderConfigHook func(*endpoint.SenderConfig)
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receiverConfigHook func(*endpoint.ReceiverConfig)
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plannerPolicyHook func(*logic.PlannerPolicy)
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skipSendArgsValidation bool
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}
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func (i replicationInvocation) Do(ctx *platformtest.Context) *report.Report {
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if i.interceptSender == nil {
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i.interceptSender = func(e *endpoint.Sender) logic.Sender { return e }
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}
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if i.interceptReceiver == nil {
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i.interceptReceiver = func(e *endpoint.Receiver) logic.Receiver { return e }
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}
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if i.sfs != "" && i.sfilter != nil || i.sfs == "" && i.sfilter == nil {
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panic("either sfs or sfilter must be set")
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}
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if i.sfilter == nil {
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i.sfilter = filters.NewDatasetMapFilter(1, true)
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err := i.sfilter.Add(i.sfs, "ok")
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require.NoError(ctx, err)
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}
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senderConfig := endpoint.SenderConfig{
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FSF: i.sfilter.AsFilter(),
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Encrypt: &nodefault.Bool{B: false},
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JobID: i.sjid,
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BandwidthLimit: bandwidthlimit.NoLimitConfig(),
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}
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if i.senderConfigHook != nil {
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i.senderConfigHook(&senderConfig)
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}
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receiverConfig := endpoint.ReceiverConfig{
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JobID: i.rjid,
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AppendClientIdentity: false,
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RootWithoutClientComponent: mustDatasetPath(i.rfsRoot),
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BandwidthLimit: bandwidthlimit.NoLimitConfig(),
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PlaceholderEncryption: endpoint.PlaceholderCreationEncryptionPropertyUnspecified,
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}
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if i.receiverConfigHook != nil {
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i.receiverConfigHook(&receiverConfig)
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}
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require.Equal(ctx, senderConfig.JobID, i.sjid)
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require.Equal(ctx, receiverConfig.JobID, i.rjid)
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sender := i.interceptSender(endpoint.NewSender(senderConfig))
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receiver := i.interceptReceiver(endpoint.NewReceiver(receiverConfig))
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plannerPolicy := logic.PlannerPolicy{
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ReplicationConfig: &pdu.ReplicationConfig{
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Protection: i.guarantee,
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},
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ConflictResolution: &logic.ConflictResolution{
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InitialReplication: logic.InitialReplicationAutoResolutionMostRecent,
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},
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SizeEstimationConcurrency: 1,
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}
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if i.plannerPolicyHook != nil {
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i.plannerPolicyHook(&plannerPolicy)
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}
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var doCtx context.Context = ctx
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if i.skipSendArgsValidation {
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doCtx = zfs.ZFSSendArgsSkipValidation(ctx)
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}
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report, wait := replication.Do(
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doCtx,
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driver.Config{
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MaxAttempts: 1,
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StepQueueConcurrency: 1,
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ReconnectHardFailTimeout: 1 * time.Second,
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},
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logic.NewPlanner(nil, nil, sender, receiver, plannerPolicy),
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)
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wait(true)
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return report()
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}
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func (i replicationInvocation) ReceiveSideFilesystem() string {
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return path.Join(i.rfsRoot, i.sfs)
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}
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func ReplicationIncrementalIsPossibleIfCommonSnapshotIsDestroyed(ctx *platformtest.Context) {
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platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
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CREATEROOT
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+ "sender"
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+ "sender@1"
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+ "receiver"
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R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
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`)
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sjid := endpoint.MustMakeJobID("sender-job")
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rjid := endpoint.MustMakeJobID("receiver-job")
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sfs := ctx.RootDataset + "/sender"
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rfsRoot := ctx.RootDataset + "/receiver"
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snap1 := fsversion(ctx, sfs, "@1")
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rep := replicationInvocation{
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sjid: sjid,
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rjid: rjid,
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sfs: sfs,
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rfsRoot: rfsRoot,
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guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
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}
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rfs := rep.ReceiveSideFilesystem()
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// first replication
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report := rep.Do(ctx)
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ctx.Logf("\n%s", pretty.Sprint(report))
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// assert @1 exists on receiver
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_ = fsversion(ctx, rfs, "@1")
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// cut off the common base between sender and receiver
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// (replication engine guarantees resumability through bookmarks)
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err := zfs.ZFSDestroy(ctx, snap1.FullPath(sfs))
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require.NoError(ctx, err)
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// assert that the replication cursor has been created
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snap1CursorName, err := endpoint.ReplicationCursorBookmarkName(sfs, snap1.Guid, sjid)
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require.NoError(ctx, err)
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snap1CursorInfo, err := zfs.ZFSGetFilesystemVersion(ctx, sfs+"#"+snap1CursorName)
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require.NoError(ctx, err)
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require.True(ctx, snap1CursorInfo.IsBookmark())
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// second replication of a new snapshot, should use the cursor
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mustSnapshot(ctx, sfs+"@2")
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report = rep.Do(ctx)
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ctx.Logf("\n%s", pretty.Sprint(report))
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_ = fsversion(ctx, rfs, "@2")
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}
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func ReplicationIncrementalCleansUpStaleAbstractionsWithCacheOnSecondReplication(ctx *platformtest.Context) {
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implReplicationIncrementalCleansUpStaleAbstractions(ctx, true)
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}
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func ReplicationIncrementalCleansUpStaleAbstractionsWithoutCacheOnSecondReplication(ctx *platformtest.Context) {
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implReplicationIncrementalCleansUpStaleAbstractions(ctx, false)
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}
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func implReplicationIncrementalCleansUpStaleAbstractions(ctx *platformtest.Context, invalidateCacheBeforeSecondReplication bool) {
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platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
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CREATEROOT
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+ "sender"
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+ "sender@1"
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+ "sender@2"
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+ "sender#2" "sender@2"
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+ "sender@3"
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+ "receiver"
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R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
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`)
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sjid := endpoint.MustMakeJobID("sender-job")
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ojid := endpoint.MustMakeJobID("other-job")
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rjid := endpoint.MustMakeJobID("receiver-job")
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sfs := ctx.RootDataset + "/sender"
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rfsRoot := ctx.RootDataset + "/receiver"
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rep := replicationInvocation{
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sjid: sjid,
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rjid: rjid,
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sfs: sfs,
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rfsRoot: rfsRoot,
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guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
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}
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rfs := rep.ReceiveSideFilesystem()
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// first replication
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report := rep.Do(ctx)
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ctx.Logf("\n%s", pretty.Sprint(report))
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// assert most recent send-side version @3 exists on receiver (=replication succeeded)
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rSnap3 := fsversion(ctx, rfs, "@3")
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// assert the source-side versions not managed by zrepl still exist
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snap1 := fsversion(ctx, sfs, "@1")
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snap2 := fsversion(ctx, sfs, "@2")
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_ = fsversion(ctx, sfs, "#2") // non-replicationc-cursor bookmarks should not be affected
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snap3 := fsversion(ctx, sfs, "@3")
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// assert a replication cursor is in place
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snap3CursorName, err := endpoint.ReplicationCursorBookmarkName(sfs, snap3.Guid, sjid)
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require.NoError(ctx, err)
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_ = fsversion(ctx, sfs, "#"+snap3CursorName)
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// assert a last-received hold is in place
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expectRjidHoldTag, err := endpoint.LastReceivedHoldTag(rjid)
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require.NoError(ctx, err)
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holds, err := zfs.ZFSHolds(ctx, rfs, rSnap3.Name)
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require.NoError(ctx, err)
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require.Contains(ctx, holds, expectRjidHoldTag)
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// create artifical stale replication cursors & step holds
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createArtificalStaleAbstractions := func(jobId endpoint.JobID) []endpoint.Abstraction {
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snap2Cursor, err := endpoint.CreateReplicationCursor(ctx, sfs, snap2, jobId) // no shadow
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require.NoError(ctx, err)
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// create artifical stale step holds jobId
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snap1Hold, err := endpoint.HoldStep(ctx, sfs, snap1, jobId) // no shadow
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require.NoError(ctx, err)
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snap2Hold, err := endpoint.HoldStep(ctx, sfs, snap2, jobId) // no shadow
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require.NoError(ctx, err)
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// create artificial tentative cursor
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snap3TentativeCursor, err := endpoint.CreateTentativeReplicationCursor(ctx, sfs, snap3, jobId)
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require.NoError(ctx, err)
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return []endpoint.Abstraction{snap2Cursor, snap1Hold, snap2Hold, snap3TentativeCursor}
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}
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createArtificalStaleAbstractions(sjid)
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ojidSendAbstractions := createArtificalStaleAbstractions(ojid)
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snap3ojidLastReceivedHold, err := endpoint.CreateLastReceivedHold(ctx, rfs, fsversion(ctx, rfs, "@3"), ojid)
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require.NoError(ctx, err)
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require.True(ctx, zfs.FilesystemVersionEqualIdentity(fsversion(ctx, rfs, "@3"), snap3ojidLastReceivedHold.GetFilesystemVersion()))
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// take another 2 snapshots
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mustSnapshot(ctx, sfs+"@4")
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mustSnapshot(ctx, sfs+"@5")
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snap5 := fsversion(ctx, sfs, "@5")
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if invalidateCacheBeforeSecondReplication {
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endpoint.AbstractionsCacheInvalidate(sfs)
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}
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// do another replication
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// - ojid's abstractions should not be affected on either side
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// - stale abstractions of sjid and rjid should be cleaned up
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// - 1 replication cursors and 1 last-received hold should be present
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checkOjidAbstractionsExist := func() {
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var expectedOjidAbstractions []endpoint.Abstraction
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expectedOjidAbstractions = append(expectedOjidAbstractions, ojidSendAbstractions...)
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expectedOjidAbstractions = append(expectedOjidAbstractions, snap3ojidLastReceivedHold)
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sfsAndRfsFilter := filters.NewDatasetMapFilter(2, true)
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require.NoError(ctx, sfsAndRfsFilter.Add(sfs, "ok"))
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require.NoError(ctx, sfsAndRfsFilter.Add(rfs, "ok"))
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rAbs, rAbsErrs, err := endpoint.ListAbstractions(ctx, endpoint.ListZFSHoldsAndBookmarksQuery{
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FS: endpoint.ListZFSHoldsAndBookmarksQueryFilesystemFilter{Filter: sfsAndRfsFilter},
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JobID: &ojid,
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What: endpoint.AbstractionTypesAll,
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Concurrency: 1,
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})
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require.NoError(ctx, err)
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require.Len(ctx, rAbsErrs, 0)
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ctx.Logf("rAbs=%s", rAbs)
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ctx.Logf("expectedOjidAbstractions=%s", expectedOjidAbstractions)
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require.Equal(ctx, len(expectedOjidAbstractions), len(rAbs))
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for _, ea := range expectedOjidAbstractions {
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ctx.Logf("looking for %s %#v", ea, ea.GetFilesystemVersion())
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found := false
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for _, a := range rAbs {
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eq := endpoint.AbstractionEquals(ea, a)
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ctx.Logf("comp=%v for %s %#v", eq, a, a.GetFilesystemVersion())
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found = found || eq
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}
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require.True(ctx, found, "%s", ea)
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}
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}
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checkOjidAbstractionsExist()
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report = rep.Do(ctx)
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ctx.Logf("\n%s", pretty.Sprint(report))
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checkOjidAbstractionsExist()
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_ = fsversion(ctx, sfs, "@1")
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_ = fsversion(ctx, sfs, "@2")
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_ = fsversion(ctx, sfs, "#2")
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_ = fsversion(ctx, sfs, "@3")
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_ = fsversion(ctx, sfs, "@4")
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_ = fsversion(ctx, sfs, "@5")
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_ = fsversion(ctx, rfs, "@3")
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_ = fsversion(ctx, rfs, "@4")
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_ = fsversion(ctx, rfs, "@5")
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// check bookmark situation
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{
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sBms, err := zfs.ZFSListFilesystemVersions(ctx, mustDatasetPath(sfs), zfs.ListFilesystemVersionsOptions{
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Types: zfs.Bookmarks,
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})
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ctx.Logf("sbms=%s", sBms)
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require.NoError(ctx, err)
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snap5SjidCursorName, err := endpoint.ReplicationCursorBookmarkName(sfs, snap5.Guid, sjid)
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require.NoError(ctx, err)
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snap2SjidCursorName, err := endpoint.ReplicationCursorBookmarkName(sfs, snap2.Guid, sjid)
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require.NoError(ctx, err)
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snap2OjidCursorName, err := endpoint.ReplicationCursorBookmarkName(sfs, snap2.Guid, ojid)
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require.NoError(ctx, err)
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snap3SjidTentativeCursorName, err := endpoint.TentativeReplicationCursorBookmarkName(sfs, snap3.Guid, sjid)
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require.NoError(ctx, err)
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snap3OjidTentativeCursorName, err := endpoint.TentativeReplicationCursorBookmarkName(sfs, snap3.Guid, ojid)
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require.NoError(ctx, err)
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var bmNames []string
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for _, bm := range sBms {
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bmNames = append(bmNames, bm.Name)
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}
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if invalidateCacheBeforeSecondReplication {
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require.Len(ctx, sBms, 4)
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require.Contains(ctx, bmNames, snap5SjidCursorName)
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require.Contains(ctx, bmNames, snap2OjidCursorName)
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require.Contains(ctx, bmNames, snap3OjidTentativeCursorName)
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require.Contains(ctx, bmNames, "2")
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} else {
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require.Len(ctx, sBms, 6)
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ctx.Logf("%s", pretty.Sprint(sBms))
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require.Contains(ctx, bmNames, snap5SjidCursorName)
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require.Contains(ctx, bmNames, snap2SjidCursorName)
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require.Contains(ctx, bmNames, snap2OjidCursorName)
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require.Contains(ctx, bmNames, snap3SjidTentativeCursorName)
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require.Contains(ctx, bmNames, snap3OjidTentativeCursorName)
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require.Contains(ctx, bmNames, "2")
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}
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}
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// check last-received hold moved
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{
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rAbs, rAbsErrs, err := endpoint.ListAbstractions(ctx, endpoint.ListZFSHoldsAndBookmarksQuery{
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FS: endpoint.ListZFSHoldsAndBookmarksQueryFilesystemFilter{FS: &rfs},
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JobID: &rjid,
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What: endpoint.AbstractionTypesAll,
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Concurrency: 1,
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})
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require.NoError(ctx, err)
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require.Len(ctx, rAbsErrs, 0)
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require.Len(ctx, rAbs, 1)
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require.Equal(ctx, rAbs[0].GetType(), endpoint.AbstractionLastReceivedHold)
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require.Equal(ctx, *rAbs[0].GetJobID(), rjid)
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require.Equal(ctx, rAbs[0].GetFilesystemVersion().GetGuid(), snap5.GetGuid())
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}
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}
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func ReplicationIncrementalHandlesFromVersionEqTentativeCursorCorrectly(ctx *platformtest.Context) {
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platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
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CREATEROOT
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+ "sender"
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+ "sender@1"
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+ "receiver"
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R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
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`)
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sjid := endpoint.MustMakeJobID("sender-job")
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rjid := endpoint.MustMakeJobID("receiver-job")
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sfs := ctx.RootDataset + "/sender"
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rfsRoot := ctx.RootDataset + "/receiver"
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rep := replicationInvocation{
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sjid: sjid,
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rjid: rjid,
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sfs: sfs,
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rfsRoot: rfsRoot,
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// It doesn't really matter what guarantee we use here, as the second replication will configure another.
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// But, in the real world, the only way for a stale tentative cursor to appear is if the guarantee is set to
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// incremental replication and we crash before converting the tentative cursor into a regular cursor.
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guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeIncrementalReplication),
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}
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// Do initial replication to set up the test.
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rep1 := rep.Do(ctx)
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ctx.Logf("\n%s", pretty.Sprint(rep1))
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sfsDs := mustDatasetPath(sfs)
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snap1_sender := mustGetFilesystemVersion(ctx, sfs+"@1")
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snap1_replicationCursor_name, err := endpoint.ReplicationCursorBookmarkName(sfs, snap1_sender.Guid, sjid)
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require.NoError(ctx, err)
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snap1_replicationCursor := mustGetFilesystemVersion(ctx, sfs+"#"+snap1_replicationCursor_name)
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// The second replication will be done with a guarantee kind that doesn't create tentative cursors by itself.
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// So, it would generally be right to clean up any tentative cursors on sfs since they're stale abstractions.
|
|
// However, if the cursor is used as the `from` version in any send step, we must not destroy it, as that
|
|
// would break incremental replication.
|
|
// NB: we only need to test the first step as all subsequent steps will be snapshot->snapshot.
|
|
rep.guarantee = pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeNothing)
|
|
// create the artificial cursor
|
|
snap1_tentativeCursor, err := endpoint.CreateTentativeReplicationCursor(ctx, sfs, snap1_sender, sjid)
|
|
require.NoError(ctx, err)
|
|
endpoint.AbstractionsCacheInvalidate(sfs)
|
|
// remove other bookmarks of snap1, and snap1 itself, to force the replication planner to use the tentative cursor
|
|
err = zfs.ZFSDestroyFilesystemVersion(ctx, sfsDs, &snap1_sender)
|
|
require.NoError(ctx, err)
|
|
err = zfs.ZFSDestroyFilesystemVersion(ctx, sfsDs, &snap1_replicationCursor)
|
|
require.NoError(ctx, err)
|
|
versions, err := zfs.ZFSListFilesystemVersions(ctx, sfsDs, zfs.ListFilesystemVersionsOptions{})
|
|
require.NoError(ctx, err)
|
|
require.Len(ctx, versions, 1)
|
|
require.Equal(ctx, versions[0].Guid, snap1_tentativeCursor.GetFilesystemVersion().Guid)
|
|
// create another snapshot so that replication does one incremental step `tentative_cursor` -> `@2`
|
|
mustSnapshot(ctx, sfs+"@2")
|
|
mustGetFilesystemVersion(ctx, sfs+"@2")
|
|
// do the replication
|
|
rep2 := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(rep2))
|
|
|
|
// Ensure that the tentative cursor was used.
|
|
require.Len(ctx, rep2.Attempts, 1)
|
|
require.Equal(ctx, rep2.Attempts[0].State, report.AttemptDone)
|
|
require.Len(ctx, rep2.Attempts[0].Filesystems, 1)
|
|
require.Nil(ctx, rep2.Attempts[0].Filesystems[0].Error())
|
|
require.Len(ctx, rep2.Attempts[0].Filesystems[0].Steps, 1)
|
|
require.EqualValues(ctx, rep2.Attempts[0].Filesystems[0].CurrentStep, 1)
|
|
require.Len(ctx, rep2.Attempts[0].Filesystems[0].Steps, 1)
|
|
require.Equal(ctx, rep2.Attempts[0].Filesystems[0].Steps[0].Info.From, snap1_tentativeCursor.GetFilesystemVersion().RelName())
|
|
|
|
// Ensure that the tentative cursor was destroyed as part of SendPost.
|
|
_, err = zfs.ZFSGetFilesystemVersion(ctx, snap1_replicationCursor.FullPath(sfs))
|
|
_, ok := err.(*zfs.DatasetDoesNotExist)
|
|
require.True(ctx, ok)
|
|
}
|
|
|
|
type PartialSender struct {
|
|
*endpoint.Sender
|
|
failAfterByteCount int64
|
|
}
|
|
|
|
var _ logic.Sender = (*PartialSender)(nil)
|
|
|
|
func (s *PartialSender) Send(ctx context.Context, r *pdu.SendReq) (r1 *pdu.SendRes, r2 io.ReadCloser, r3 error) {
|
|
r1, r2, r3 = s.Sender.Send(ctx, r)
|
|
r2 = limitio.ReadCloser(r2, s.failAfterByteCount)
|
|
return r1, r2, r3
|
|
}
|
|
|
|
func ReplicationIsResumableFullSend__both_GuaranteeResumability(ctx *platformtest.Context) {
|
|
|
|
setup := replicationIsResumableFullSendSetup{
|
|
protection: &pdu.ReplicationConfigProtection{
|
|
Initial: pdu.ReplicationGuaranteeKind_GuaranteeResumability,
|
|
Incremental: pdu.ReplicationGuaranteeKind_GuaranteeResumability,
|
|
},
|
|
expectDatasetIsBusyErrorWhenDestroySnapshotWhilePartiallyReplicated: true,
|
|
expectAllThreeSnapshotsToThreeBePresentAfterLoop: true,
|
|
expectNoSnapshotsOnReceiverAfterLoop: false,
|
|
}
|
|
|
|
implReplicationIsResumableFullSend(ctx, setup)
|
|
}
|
|
|
|
func ReplicationIsResumableFullSend__initial_GuaranteeResumability_incremental_GuaranteeIncrementalReplication(ctx *platformtest.Context) {
|
|
|
|
setup := replicationIsResumableFullSendSetup{
|
|
protection: &pdu.ReplicationConfigProtection{
|
|
Initial: pdu.ReplicationGuaranteeKind_GuaranteeResumability,
|
|
Incremental: pdu.ReplicationGuaranteeKind_GuaranteeIncrementalReplication,
|
|
},
|
|
expectDatasetIsBusyErrorWhenDestroySnapshotWhilePartiallyReplicated: true,
|
|
expectAllThreeSnapshotsToThreeBePresentAfterLoop: true,
|
|
expectNoSnapshotsOnReceiverAfterLoop: false,
|
|
}
|
|
|
|
implReplicationIsResumableFullSend(ctx, setup)
|
|
}
|
|
|
|
func ReplicationIsResumableFullSend__initial_GuaranteeIncrementalReplication_incremental_GuaranteeIncrementalReplication(ctx *platformtest.Context) {
|
|
|
|
setup := replicationIsResumableFullSendSetup{
|
|
protection: &pdu.ReplicationConfigProtection{
|
|
Initial: pdu.ReplicationGuaranteeKind_GuaranteeIncrementalReplication,
|
|
Incremental: pdu.ReplicationGuaranteeKind_GuaranteeIncrementalReplication,
|
|
},
|
|
expectDatasetIsBusyErrorWhenDestroySnapshotWhilePartiallyReplicated: false,
|
|
expectAllThreeSnapshotsToThreeBePresentAfterLoop: false,
|
|
expectNoSnapshotsOnReceiverAfterLoop: true,
|
|
}
|
|
|
|
implReplicationIsResumableFullSend(ctx, setup)
|
|
}
|
|
|
|
type replicationIsResumableFullSendSetup struct {
|
|
protection *pdu.ReplicationConfigProtection
|
|
expectDatasetIsBusyErrorWhenDestroySnapshotWhilePartiallyReplicated bool
|
|
expectAllThreeSnapshotsToThreeBePresentAfterLoop bool
|
|
expectNoSnapshotsOnReceiverAfterLoop bool
|
|
}
|
|
|
|
func implReplicationIsResumableFullSend(ctx *platformtest.Context, setup replicationIsResumableFullSendSetup) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
sfs := ctx.RootDataset + "/sender"
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
sfsmp, err := zfs.ZFSGetMountpoint(ctx, sfs)
|
|
require.NoError(ctx, err)
|
|
require.True(ctx, sfsmp.Mounted)
|
|
|
|
writeDummyData(path.Join(sfsmp.Mountpoint, "dummy.data"), 1<<22)
|
|
mustSnapshot(ctx, sfs+"@1")
|
|
snap1 := fsversion(ctx, sfs, "@1")
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
interceptSender: func(e *endpoint.Sender) logic.Sender {
|
|
return &PartialSender{Sender: e, failAfterByteCount: 1 << 20}
|
|
},
|
|
guarantee: setup.protection,
|
|
}
|
|
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
|
|
for i := 2; i < 10; i++ {
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
|
|
// always attempt to destroy the incremental source
|
|
err := zfs.ZFSDestroy(ctx, snap1.FullPath(sfs))
|
|
if i < 4 {
|
|
// we configured the PartialSender to fail after 1<<20 bytes
|
|
// and we wrote dummy data 1<<22 bytes, thus at least
|
|
// for the first 4 times this should not be possible
|
|
// due to step holds
|
|
if setup.expectDatasetIsBusyErrorWhenDestroySnapshotWhilePartiallyReplicated {
|
|
ctx.Logf("i=%v", i)
|
|
require.Error(ctx, err)
|
|
require.Contains(ctx, err.Error(), "dataset is busy")
|
|
}
|
|
}
|
|
|
|
// and create some additional snapshots that could
|
|
// confuse a naive implementation that doesn't take into
|
|
// account resume state when planning replication
|
|
if i == 2 || i == 3 {
|
|
// no significant size to avoid making this test run longer than necessary
|
|
mustSnapshot(ctx, fmt.Sprintf("%s@%d", sfs, i))
|
|
}
|
|
|
|
require.Len(ctx, report.Attempts, 1)
|
|
require.Nil(ctx, report.Attempts[0].PlanError)
|
|
require.Len(ctx, report.Attempts[0].Filesystems, 1)
|
|
if len(report.Attempts[0].Filesystems[0].Steps) == 0 {
|
|
break
|
|
}
|
|
}
|
|
|
|
if setup.expectAllThreeSnapshotsToThreeBePresentAfterLoop {
|
|
// make sure all the filesystem versions we created
|
|
// were replicated by the replication loop
|
|
_ = fsversion(ctx, rfs, "@1")
|
|
_ = fsversion(ctx, rfs, "@2")
|
|
_ = fsversion(ctx, rfs, "@3")
|
|
}
|
|
|
|
if setup.expectNoSnapshotsOnReceiverAfterLoop {
|
|
versions, err := zfs.ZFSListFilesystemVersions(ctx, mustDatasetPath(rfs), zfs.ListFilesystemVersionsOptions{})
|
|
require.NoError(ctx, err)
|
|
require.Empty(ctx, versions)
|
|
}
|
|
|
|
}
|
|
|
|
func ReplicationIncrementalDestroysStepHoldsIffIncrementalStepHoldsAreDisabledButStepHoldsExist(ctx *platformtest.Context) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
sfs := ctx.RootDataset + "/sender"
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
// fully replicate snapshots @1
|
|
{
|
|
mustSnapshot(ctx, sfs+"@1")
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
|
|
}
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
// assert this worked (not the main subject of the test)
|
|
_ = fsversion(ctx, rfs, "@1")
|
|
}
|
|
|
|
// create a large snapshot @2
|
|
{
|
|
sfsmp, err := zfs.ZFSGetMountpoint(ctx, sfs)
|
|
require.NoError(ctx, err)
|
|
require.True(ctx, sfsmp.Mounted)
|
|
writeDummyData(path.Join(sfsmp.Mountpoint, "dummy.data"), 1<<22)
|
|
mustSnapshot(ctx, sfs+"@2")
|
|
}
|
|
snap2sfs := fsversion(ctx, sfs, "@2")
|
|
|
|
// partially replicate snapshots @2 with step holds enabled
|
|
// to effect a step-holds situation
|
|
{
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability), // !
|
|
interceptSender: func(e *endpoint.Sender) logic.Sender {
|
|
return &PartialSender{Sender: e, failAfterByteCount: 1 << 20}
|
|
},
|
|
}
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
// assert this partial receive worked
|
|
_, err := zfs.ZFSGetFilesystemVersion(ctx, rfs+"@2")
|
|
ctx.Logf("%T %s", err, err)
|
|
_, notFullyReceived := err.(*zfs.DatasetDoesNotExist)
|
|
require.True(ctx, notFullyReceived)
|
|
// assert step holds are in place
|
|
abs, absErrs, err := endpoint.ListAbstractions(ctx, endpoint.ListZFSHoldsAndBookmarksQuery{
|
|
FS: endpoint.ListZFSHoldsAndBookmarksQueryFilesystemFilter{
|
|
FS: &sfs,
|
|
},
|
|
Concurrency: 1,
|
|
JobID: &sjid,
|
|
What: endpoint.AbstractionTypeSet{endpoint.AbstractionStepHold: true},
|
|
})
|
|
require.NoError(ctx, err)
|
|
require.Empty(ctx, absErrs)
|
|
require.Len(ctx, abs, 2)
|
|
sort.Slice(abs, func(i, j int) bool {
|
|
return abs[i].GetCreateTXG() < abs[j].GetCreateTXG()
|
|
})
|
|
require.True(ctx, zfs.FilesystemVersionEqualIdentity(abs[0].GetFilesystemVersion(), fsversion(ctx, sfs, "@1")))
|
|
require.True(ctx, zfs.FilesystemVersionEqualIdentity(abs[1].GetFilesystemVersion(), fsversion(ctx, sfs, "@2")))
|
|
}
|
|
|
|
//
|
|
// end of test setup
|
|
//
|
|
|
|
// retry replication with incremental step holds disabled (set to bookmarks-only in this case)
|
|
// - replication should not fail due to holds-related stuff
|
|
// - replication should fail intermittently due to partial sender being fully read
|
|
// - the partial sender is 1/4th the length of the stream, thus expect
|
|
// successful replication after 5 more attempts
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeIncrementalReplication), // !
|
|
interceptSender: func(e *endpoint.Sender) logic.Sender {
|
|
return &PartialSender{Sender: e, failAfterByteCount: 1 << 20}
|
|
},
|
|
}
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
for i := 0; ; i++ {
|
|
require.True(ctx, i < 5)
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("retry run=%v\n%s", i, pretty.Sprint(report))
|
|
_, err := zfs.ZFSGetFilesystemVersion(ctx, rfs+"@2")
|
|
if err == nil {
|
|
break
|
|
}
|
|
}
|
|
|
|
// assert replication worked
|
|
fsversion(ctx, rfs, "@2")
|
|
|
|
// assert no step holds exist
|
|
abs, absErrs, err := endpoint.ListAbstractions(ctx, endpoint.ListZFSHoldsAndBookmarksQuery{
|
|
FS: endpoint.ListZFSHoldsAndBookmarksQueryFilesystemFilter{
|
|
FS: &sfs,
|
|
},
|
|
Concurrency: 1,
|
|
JobID: &sjid,
|
|
What: endpoint.AbstractionTypeSet{endpoint.AbstractionStepHold: true},
|
|
})
|
|
require.NoError(ctx, err)
|
|
require.Empty(ctx, absErrs)
|
|
require.Len(ctx, abs, 0)
|
|
|
|
// assert that the replication cursor bookmark exists
|
|
abs, absErrs, err = endpoint.ListAbstractions(ctx, endpoint.ListZFSHoldsAndBookmarksQuery{
|
|
FS: endpoint.ListZFSHoldsAndBookmarksQueryFilesystemFilter{
|
|
FS: &sfs,
|
|
},
|
|
Concurrency: 1,
|
|
JobID: &sjid,
|
|
What: endpoint.AbstractionTypeSet{endpoint.AbstractionReplicationCursorBookmarkV2: true},
|
|
})
|
|
require.NoError(ctx, err)
|
|
require.Empty(ctx, absErrs)
|
|
require.Len(ctx, abs, 1)
|
|
require.True(ctx, zfs.FilesystemVersionEqualIdentity(abs[0].GetFilesystemVersion(), snap2sfs))
|
|
}
|
|
|
|
func ReplicationStepCompletedLostBehavior__GuaranteeResumability(ctx *platformtest.Context) {
|
|
scenario := replicationStepCompletedLostBehavior_impl(ctx, pdu.ReplicationGuaranteeKind_GuaranteeResumability)
|
|
|
|
require.Error(ctx, scenario.deleteSfs1Err, "protected by holds")
|
|
require.Contains(ctx, scenario.deleteSfs1Err.Error(), "dataset is busy")
|
|
|
|
require.Error(ctx, scenario.deleteSfs2Err, "protected by holds")
|
|
require.Contains(ctx, scenario.deleteSfs2Err.Error(), "dataset is busy")
|
|
|
|
require.Nil(ctx, scenario.finalReport.Error())
|
|
_ = fsversion(ctx, scenario.rfs, "@3") // @3 ade it to the other side
|
|
}
|
|
|
|
func ReplicationStepCompletedLostBehavior__GuaranteeIncrementalReplication(ctx *platformtest.Context) {
|
|
scenario := replicationStepCompletedLostBehavior_impl(ctx, pdu.ReplicationGuaranteeKind_GuaranteeIncrementalReplication)
|
|
|
|
require.NoError(ctx, scenario.deleteSfs1Err, "not protected by holds")
|
|
require.NoError(ctx, scenario.deleteSfs2Err, "not protected by holds")
|
|
|
|
// step bookmarks should protect against loss of StepCompleted message
|
|
require.Nil(ctx, scenario.finalReport.Error())
|
|
_ = fsversion(ctx, scenario.rfs, "@3") // @3 ade it to the other side
|
|
}
|
|
|
|
type FailSendCompletedSender struct {
|
|
*endpoint.Sender
|
|
}
|
|
|
|
var _ logic.Sender = (*FailSendCompletedSender)(nil)
|
|
|
|
func (p *FailSendCompletedSender) SendCompleted(ctx context.Context, r *pdu.SendCompletedReq) (*pdu.SendCompletedRes, error) {
|
|
return nil, fmt.Errorf("[mock] SendCompleted not delivered to actual endpoint")
|
|
}
|
|
|
|
type replicationStepCompletedLost_scenario struct {
|
|
rfs string
|
|
deleteSfs1Err, deleteSfs2Err error
|
|
finalReport *report.FilesystemReport
|
|
}
|
|
|
|
func replicationStepCompletedLostBehavior_impl(ctx *platformtest.Context, guaranteeKind pdu.ReplicationGuaranteeKind) *replicationStepCompletedLost_scenario {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
sfs := ctx.RootDataset + "/sender"
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
// fully replicate snapshots @1
|
|
{
|
|
mustSnapshot(ctx, sfs+"@1")
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(guaranteeKind),
|
|
}
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
// assert this worked (not the main subject of the test)
|
|
_ = fsversion(ctx, rfs, "@1")
|
|
}
|
|
|
|
// create a second snapshot @2
|
|
mustSnapshot(ctx, sfs+"@2")
|
|
|
|
// fake loss of stepcompleted message
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(guaranteeKind),
|
|
interceptSender: func(e *endpoint.Sender) logic.Sender {
|
|
return &FailSendCompletedSender{e}
|
|
},
|
|
}
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
|
|
// assert the replication worked
|
|
_ = fsversion(ctx, rfs, "@2")
|
|
// and that we hold it using a last-received-hold
|
|
abs, absErrs, err := endpoint.ListAbstractions(ctx, endpoint.ListZFSHoldsAndBookmarksQuery{
|
|
FS: endpoint.ListZFSHoldsAndBookmarksQueryFilesystemFilter{
|
|
FS: &rfs,
|
|
},
|
|
Concurrency: 1,
|
|
JobID: &rjid,
|
|
What: endpoint.AbstractionTypeSet{endpoint.AbstractionLastReceivedHold: true},
|
|
})
|
|
require.NoError(ctx, err)
|
|
require.Empty(ctx, absErrs)
|
|
require.Len(ctx, abs, 1)
|
|
require.True(ctx, zfs.FilesystemVersionEqualIdentity(abs[0].GetFilesystemVersion(), fsversion(ctx, rfs, "@2")))
|
|
|
|
// now try to delete @2 on the sender, this should work because don't have step holds on it
|
|
deleteSfs2Err := zfs.ZFSDestroy(ctx, sfs+"@2")
|
|
// defer check to caller
|
|
|
|
// and create a new snapshot on the sender
|
|
mustSnapshot(ctx, sfs+"@3")
|
|
|
|
// now we have: sender @1, @3
|
|
// recver @1, @2
|
|
|
|
// delete @1 on both sides to demonstrate that, if we didn't have bookmarks, we would be out of sync
|
|
deleteSfs1Err := zfs.ZFSDestroy(ctx, sfs+"@1")
|
|
// defer check to caller
|
|
err = zfs.ZFSDestroy(ctx, rfs+"@1")
|
|
require.NoError(ctx, err)
|
|
|
|
// attempt replication and return the filesystem report report
|
|
{
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(guaranteeKind),
|
|
}
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("expecting failure:\n%s", pretty.Sprint(report))
|
|
require.Len(ctx, report.Attempts, 1)
|
|
require.Len(ctx, report.Attempts[0].Filesystems, 1)
|
|
return &replicationStepCompletedLost_scenario{
|
|
rfs: rfs,
|
|
deleteSfs1Err: deleteSfs1Err,
|
|
deleteSfs2Err: deleteSfs2Err,
|
|
finalReport: report.Attempts[0].Filesystems[0],
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
type ErroringReceiver struct {
|
|
recvErr error
|
|
*endpoint.Receiver
|
|
}
|
|
|
|
func (r *ErroringReceiver) Receive(ctx context.Context, req *pdu.ReceiveReq, stream io.ReadCloser) (*pdu.ReceiveRes, error) {
|
|
return nil, r.recvErr
|
|
}
|
|
|
|
type NeverEndingSender struct {
|
|
*endpoint.Sender
|
|
}
|
|
|
|
func (s *NeverEndingSender) SendDry(ctx context.Context, req *pdu.SendReq) (r *pdu.SendRes, err error) {
|
|
r, _, err = s.sendImpl(ctx, req, true)
|
|
return r, err
|
|
}
|
|
|
|
func (s *NeverEndingSender) Send(ctx context.Context, req *pdu.SendReq) (r *pdu.SendRes, stream io.ReadCloser, _ error) {
|
|
return s.sendImpl(ctx, req, false)
|
|
}
|
|
|
|
func (s *NeverEndingSender) sendImpl(ctx context.Context, req *pdu.SendReq, dry bool) (r *pdu.SendRes, stream io.ReadCloser, _ error) {
|
|
stream = nil
|
|
r = &pdu.SendRes{
|
|
UsedResumeToken: false,
|
|
ExpectedSize: 1 << 30,
|
|
}
|
|
if dry {
|
|
return r, stream, nil
|
|
}
|
|
dz, err := os.Open("/dev/zero")
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
return r, dz, nil
|
|
}
|
|
|
|
func ReplicationReceiverErrorWhileStillSending(ctx *platformtest.Context) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "sender@1"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
sfs := ctx.RootDataset + "/sender"
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
mockRecvErr := fmt.Errorf("YiezahK3thie8ahKiel5sah2uugei2ize1yi8feivuu7musoat")
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeNothing),
|
|
interceptReceiver: func(r *endpoint.Receiver) logic.Receiver {
|
|
return &ErroringReceiver{recvErr: mockRecvErr, Receiver: r}
|
|
},
|
|
interceptSender: func(s *endpoint.Sender) logic.Sender {
|
|
return &NeverEndingSender{s}
|
|
},
|
|
}
|
|
|
|
// first replication
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
|
|
require.Len(ctx, report.Attempts, 1)
|
|
attempt := report.Attempts[0]
|
|
require.Nil(ctx, attempt.PlanError)
|
|
require.Len(ctx, attempt.Filesystems, 1)
|
|
afs := attempt.Filesystems[0]
|
|
require.Nil(ctx, afs.PlanError)
|
|
require.Len(ctx, afs.Steps, 1)
|
|
require.Nil(ctx, afs.PlanError)
|
|
require.NotNil(ctx, afs.StepError)
|
|
require.Contains(ctx, afs.StepError.Err, mockRecvErr.Error())
|
|
}
|
|
|
|
func ReplicationFailingInitialParentProhibitsChildReplication(ctx *platformtest.Context) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "sender/a"
|
|
+ "sender/a/child"
|
|
+ "sender/aa"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
|
|
R zfs snapshot -r ${ROOTDS}/sender@initial
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
fsA := ctx.RootDataset + "/sender/a"
|
|
fsAChild := ctx.RootDataset + "/sender/a/child"
|
|
fsAA := ctx.RootDataset + "/sender/aa"
|
|
|
|
sfilter := filters.NewDatasetMapFilter(3, true)
|
|
mustAddToSFilter(ctx, sfilter, fsA)
|
|
mustAddToSFilter(ctx, sfilter, fsAChild)
|
|
mustAddToSFilter(ctx, sfilter, fsAA)
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
mockRecvErr := fmt.Errorf("yifae4ohPhaquaes0hohghiep9oufie4roo7quoWooluaj2ee8")
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfilter: sfilter,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeNothing),
|
|
interceptReceiver: func(r *endpoint.Receiver) logic.Receiver {
|
|
return &ErroringReceiver{recvErr: mockRecvErr, Receiver: r}
|
|
},
|
|
}
|
|
|
|
r := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(r))
|
|
|
|
require.Len(ctx, r.Attempts, 1)
|
|
attempt := r.Attempts[0]
|
|
require.Nil(ctx, attempt.PlanError)
|
|
require.Len(ctx, attempt.Filesystems, 3)
|
|
|
|
fsByName := make(map[string]*report.FilesystemReport, len(attempt.Filesystems))
|
|
for _, fs := range attempt.Filesystems {
|
|
fsByName[fs.Info.Name] = fs
|
|
}
|
|
|
|
require.Contains(ctx, fsByName, fsA)
|
|
require.Contains(ctx, fsByName, fsAChild)
|
|
require.Contains(ctx, fsByName, fsAA)
|
|
|
|
checkFS := func(fs string, expectErrMsg string) {
|
|
rep := fsByName[fs]
|
|
require.Len(ctx, rep.Steps, 1)
|
|
require.Nil(ctx, rep.PlanError)
|
|
require.NotNil(ctx, rep.StepError)
|
|
require.Contains(ctx, rep.StepError.Err, expectErrMsg)
|
|
}
|
|
|
|
checkFS(fsA, mockRecvErr.Error())
|
|
checkFS(fsAChild, "parent(s) failed during initial replication")
|
|
checkFS(fsAA, mockRecvErr.Error()) // fsAA is not treated as a child of fsA
|
|
}
|
|
|
|
func ReplicationPropertyReplicationWorks(ctx *platformtest.Context) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "sender/a"
|
|
+ "sender/a@1"
|
|
+ "sender/a/child"
|
|
+ "sender/a/child@1"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}/sender"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
fsA := ctx.RootDataset + "/sender/a"
|
|
fsAChild := ctx.RootDataset + "/sender/a/child"
|
|
|
|
sfilter := filters.NewDatasetMapFilter(2, true)
|
|
mustAddToSFilter(ctx, sfilter, fsA)
|
|
mustAddToSFilter(ctx, sfilter, fsAChild)
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
type testPropExpectation struct {
|
|
Exists bool
|
|
Source zfs.PropertySource
|
|
ExpectSpecialValue string
|
|
}
|
|
type testProp struct {
|
|
Name string
|
|
SetOnSender map[string]bool
|
|
ExpectReceiver map[string]testPropExpectation
|
|
}
|
|
testProps := []testProp{
|
|
{
|
|
Name: "zrepl:ignored",
|
|
SetOnSender: map[string]bool{fsA: true, fsAChild: true},
|
|
ExpectReceiver: map[string]testPropExpectation{
|
|
fsA: {
|
|
Exists: false,
|
|
},
|
|
fsAChild: {
|
|
Exists: false,
|
|
},
|
|
},
|
|
},
|
|
{
|
|
Name: "zrepl:replicate",
|
|
SetOnSender: map[string]bool{fsA: true, fsAChild: true},
|
|
ExpectReceiver: map[string]testPropExpectation{
|
|
fsA: {Exists: true, Source: zfs.SourceReceived},
|
|
fsAChild: {Exists: true, Source: zfs.SourceReceived},
|
|
},
|
|
},
|
|
{
|
|
Name: "zrepl:overridden",
|
|
SetOnSender: map[string]bool{fsA: false, fsAChild: true},
|
|
ExpectReceiver: map[string]testPropExpectation{
|
|
fsA: {Exists: true, Source: zfs.SourceLocal, ExpectSpecialValue: "overridden value"},
|
|
fsAChild: {Exists: true, Source: zfs.SourceLocal, ExpectSpecialValue: "overridden value"},
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, prop := range testProps {
|
|
for fs := range prop.SetOnSender {
|
|
err := zfs.ZFSSet(ctx, mustDatasetPath(fs), map[string]string{prop.Name: prop.Name})
|
|
require.NoError(ctx, err)
|
|
}
|
|
}
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfilter: sfilter,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeNothing),
|
|
receiverConfigHook: func(c *endpoint.ReceiverConfig) {
|
|
c.InheritProperties = []zfsprop.Property{"zrepl:ignored"}
|
|
c.OverrideProperties = map[zfsprop.Property]string{
|
|
"zrepl:overridden": "overridden value",
|
|
}
|
|
},
|
|
senderConfigHook: func(c *endpoint.SenderConfig) {
|
|
c.SendProperties = true // TODO: do another tier with SendBackupProperties
|
|
},
|
|
}
|
|
|
|
r := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(r))
|
|
|
|
require.Len(ctx, r.Attempts, 1)
|
|
attempt := r.Attempts[0]
|
|
require.Nil(ctx, attempt.PlanError)
|
|
require.Len(ctx, attempt.Filesystems, 2)
|
|
|
|
fsByName := make(map[string]*report.FilesystemReport, len(attempt.Filesystems))
|
|
for _, fs := range attempt.Filesystems {
|
|
fsByName[fs.Info.Name] = fs
|
|
}
|
|
|
|
require.Contains(ctx, fsByName, fsA)
|
|
require.Contains(ctx, fsByName, fsAChild)
|
|
require.Len(ctx, fsByName, 2)
|
|
|
|
requireFSReportSucceeded := func(fs string) *zfs.DatasetPath {
|
|
rep := fsByName[fs]
|
|
require.Len(ctx, rep.Steps, 1)
|
|
require.Nil(ctx, rep.PlanError)
|
|
if rep.StepError != nil && strings.Contains(rep.StepError.Error(), "invalid option 'x'") {
|
|
ctx.SkipNow() // XXX feature detection
|
|
}
|
|
require.Nil(ctx, rep.StepError)
|
|
require.Len(ctx, rep.Steps, 1)
|
|
require.Equal(ctx, 1, rep.CurrentStep)
|
|
return mustDatasetPath(path.Join(rfsRoot, fs))
|
|
}
|
|
|
|
rfsA := requireFSReportSucceeded(fsA)
|
|
rfsAChild := requireFSReportSucceeded(fsAChild)
|
|
|
|
rfsmap := map[string]*zfs.DatasetPath{
|
|
fsA: rfsA,
|
|
fsAChild: rfsAChild,
|
|
}
|
|
|
|
for fs, rfs := range rfsmap {
|
|
for _, tp := range testProps {
|
|
r_, err := zfs.ZFSGet(ctx, rfs, []string{tp.Name})
|
|
require.NoError(ctx, err)
|
|
r := r_.GetDetails(tp.Name)
|
|
|
|
expect := tp.ExpectReceiver[fs]
|
|
|
|
if !expect.Exists {
|
|
require.Equal(ctx, zfs.SourceNone, r.Source)
|
|
} else {
|
|
require.Equal(ctx, expect.Source, r.Source)
|
|
|
|
if expect.ExpectSpecialValue != "" {
|
|
require.Equal(ctx, expect.ExpectSpecialValue, r.Value)
|
|
} else {
|
|
require.Equal(ctx, tp.Name, r.Value)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
func ReplicationPlaceholderEncryption__UnspecifiedLeadsToFailureAtRuntimeWhenCreatingPlaceholders(ctx *platformtest.Context) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "sender/a"
|
|
+ "sender/a/child"
|
|
+ "receiver"
|
|
R zfs snapshot -r ${ROOTDS}/sender@initial
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
childfs := ctx.RootDataset + "/sender/a/child"
|
|
|
|
sfilter := filters.NewDatasetMapFilter(3, true)
|
|
|
|
mustAddToSFilter(ctx, sfilter, childfs)
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfilter: sfilter,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
|
|
receiverConfigHook: func(rc *endpoint.ReceiverConfig) {
|
|
rc.PlaceholderEncryption = endpoint.PlaceholderCreationEncryptionPropertyUnspecified
|
|
},
|
|
}
|
|
|
|
r := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(r))
|
|
|
|
require.Len(ctx, r.Attempts, 1)
|
|
attempt := r.Attempts[0]
|
|
require.Nil(ctx, attempt.PlanError)
|
|
require.Len(ctx, attempt.Filesystems, 1)
|
|
|
|
afs := attempt.Filesystems[0]
|
|
require.Equal(ctx, childfs, afs.Info.Name)
|
|
|
|
require.Equal(ctx, 1, len(afs.Steps))
|
|
require.Equal(ctx, 0, afs.CurrentStep)
|
|
|
|
require.Equal(ctx, report.FilesystemSteppingErrored, afs.State)
|
|
|
|
childfsFirstComponent := strings.Split(childfs, "/")[0]
|
|
require.Contains(ctx, afs.StepError.Err, "cannot create placeholder filesystem "+rfsRoot+"/"+childfsFirstComponent+": placeholder filesystem encryption handling is unspecified in receiver config")
|
|
}
|
|
|
|
type ClientIdentityReceiver struct {
|
|
clientIdentity string
|
|
*endpoint.Receiver
|
|
}
|
|
|
|
func (r *ClientIdentityReceiver) Receive(ctx context.Context, req *pdu.ReceiveReq, stream io.ReadCloser) (*pdu.ReceiveRes, error) {
|
|
ctx = context.WithValue(ctx, endpoint.ClientIdentityKey, r.clientIdentity)
|
|
return r.Receiver.Receive(ctx, req, stream)
|
|
}
|
|
|
|
func ReplicationPlaceholderEncryption__UnspecifiedIsOkForClientIdentityPlaceholder(ctx *platformtest.Context) {
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "receiver"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
sfilter := filters.NewDatasetMapFilter(1, true)
|
|
|
|
// hacky...
|
|
comps := strings.Split(ctx.RootDataset, "/")
|
|
require.GreaterOrEqual(ctx, len(comps), 2)
|
|
pool := comps[0]
|
|
require.Contains(ctx, pool, "zreplplatformtest", "don't want to cause accidents")
|
|
poolchild := pool + "/" + comps[1]
|
|
|
|
err := zfs.ZFSSnapshot(ctx, mustDatasetPath(pool), "testsnap", false)
|
|
require.NoError(ctx, err)
|
|
|
|
err = zfs.ZFSSnapshot(ctx, mustDatasetPath(poolchild), "testsnap", false)
|
|
require.NoError(ctx, err)
|
|
|
|
mustAddToSFilter(ctx, sfilter, pool)
|
|
mustAddToSFilter(ctx, sfilter, poolchild)
|
|
|
|
clientIdentity := "testclientid"
|
|
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfilter: sfilter,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
|
|
receiverConfigHook: func(rc *endpoint.ReceiverConfig) {
|
|
rc.PlaceholderEncryption = endpoint.PlaceholderCreationEncryptionPropertyUnspecified
|
|
rc.AppendClientIdentity = true
|
|
},
|
|
interceptReceiver: func(r *endpoint.Receiver) logic.Receiver {
|
|
r.Test_OverrideClientIdentityFunc = func() string { return clientIdentity }
|
|
return r
|
|
},
|
|
}
|
|
|
|
r := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(r))
|
|
|
|
require.Len(ctx, r.Attempts, 1)
|
|
attempt := r.Attempts[0]
|
|
require.Nil(ctx, attempt.PlanError)
|
|
require.Len(ctx, attempt.Filesystems, 2)
|
|
|
|
filesystemsByName := make(map[string]*report.FilesystemReport)
|
|
for _, fs := range attempt.Filesystems {
|
|
filesystemsByName[fs.Info.Name] = fs
|
|
}
|
|
require.Len(ctx, filesystemsByName, len(attempt.Filesystems))
|
|
|
|
afs, ok := filesystemsByName[pool]
|
|
require.True(ctx, ok)
|
|
require.Nil(ctx, afs.PlanError)
|
|
require.Nil(ctx, afs.StepError)
|
|
require.Equal(ctx, report.FilesystemDone, afs.State)
|
|
|
|
afs, ok = filesystemsByName[poolchild]
|
|
require.True(ctx, ok)
|
|
require.Nil(ctx, afs.PlanError)
|
|
require.Nil(ctx, afs.StepError)
|
|
require.Equal(ctx, report.FilesystemDone, afs.State)
|
|
|
|
mustGetFilesystemVersion(ctx, rfsRoot+"/"+clientIdentity+"/"+pool+"@testsnap")
|
|
mustGetFilesystemVersion(ctx, rfsRoot+"/"+clientIdentity+"/"+poolchild+"@testsnap")
|
|
|
|
}
|
|
|
|
func replicationPlaceholderEncryption__EncryptOnReceiverUseCase__impl(ctx *platformtest.Context, placeholderEncryption endpoint.PlaceholderCreationEncryptionProperty) {
|
|
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "sender/a"
|
|
+ "sender/a/child"
|
|
+ "receiver" encrypted
|
|
R zfs snapshot -r ${ROOTDS}/sender@initial
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
childfs := ctx.RootDataset + "/sender/a/child"
|
|
|
|
sfilter := filters.NewDatasetMapFilter(3, true)
|
|
|
|
mustAddToSFilter(ctx, sfilter, childfs)
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfilter: sfilter,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
|
|
receiverConfigHook: func(rc *endpoint.ReceiverConfig) {
|
|
rc.PlaceholderEncryption = placeholderEncryption
|
|
rc.AppendClientIdentity = false
|
|
},
|
|
}
|
|
|
|
r := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(r))
|
|
|
|
require.Len(ctx, r.Attempts, 1)
|
|
attempt := r.Attempts[0]
|
|
require.Equal(ctx, report.AttemptDone, attempt.State)
|
|
require.Len(ctx, attempt.Filesystems, 1)
|
|
afs := attempt.Filesystems[0]
|
|
require.Equal(ctx, childfs, afs.Info.Name)
|
|
|
|
require.Equal(ctx, 1, len(afs.Steps))
|
|
|
|
rfs := mustDatasetPath(rfsRoot + "/" + childfs)
|
|
mustGetFilesystemVersion(ctx, rfs.ToString()+"@initial")
|
|
}
|
|
|
|
func ReplicationPlaceholderEncryption__EncryptOnReceiverUseCase__WorksIfConfiguredWithInherit(ctx *platformtest.Context) {
|
|
placeholderEncryption := endpoint.PlaceholderCreationEncryptionPropertyInherit
|
|
|
|
replicationPlaceholderEncryption__EncryptOnReceiverUseCase__impl(ctx, placeholderEncryption)
|
|
childfs := ctx.RootDataset + "/sender/a/child"
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
rfs := mustDatasetPath(rfsRoot + "/" + childfs)
|
|
|
|
// The leaf child dataset should be inhering from rfsRoot.
|
|
// If we had replicated with PlaceholderCreationEncryptionPropertyOff
|
|
// then it would be unencrypted and inherit from the placeholder.
|
|
props, err := zfs.ZFSGet(ctx, rfs, []string{"encryptionroot"})
|
|
require.NoError(ctx, err)
|
|
require.Equal(ctx, rfsRoot, props.Get("encryptionroot"))
|
|
}
|
|
|
|
func replicationInitialImpl(ctx *platformtest.Context, iras logic.InitialReplicationAutoResolution, expectExactRfsSnaps []string) *report.Report {
|
|
// reverse order for snap names to expose sorting assumptions
|
|
platformtest.Run(ctx, platformtest.PanicErr, ctx.RootDataset, `
|
|
CREATEROOT
|
|
+ "sender"
|
|
+ "sender@3"
|
|
+ "sender@2"
|
|
+ "sender@1"
|
|
+ "receiver"
|
|
R zfs create -p "${ROOTDS}/receiver/${ROOTDS}"
|
|
`)
|
|
|
|
sjid := endpoint.MustMakeJobID("sender-job")
|
|
rjid := endpoint.MustMakeJobID("receiver-job")
|
|
|
|
sfs := ctx.RootDataset + "/sender"
|
|
rfsRoot := ctx.RootDataset + "/receiver"
|
|
|
|
rep := replicationInvocation{
|
|
sjid: sjid,
|
|
rjid: rjid,
|
|
sfs: sfs,
|
|
rfsRoot: rfsRoot,
|
|
guarantee: pdu.ReplicationConfigProtectionWithKind(pdu.ReplicationGuaranteeKind_GuaranteeResumability),
|
|
plannerPolicyHook: func(pp *logic.PlannerPolicy) {
|
|
pp.ConflictResolution.InitialReplication = iras
|
|
},
|
|
}
|
|
rfs := rep.ReceiveSideFilesystem()
|
|
|
|
// first replication
|
|
report := rep.Do(ctx)
|
|
ctx.Logf("\n%s", pretty.Sprint(report))
|
|
|
|
versions, err := zfs.ZFSListFilesystemVersions(ctx, mustDatasetPath(rfs), zfs.ListFilesystemVersionsOptions{Types: zfs.Snapshots})
|
|
if _, ok := err.(*zfs.DatasetDoesNotExist); ok {
|
|
versions = nil
|
|
} else {
|
|
require.NoError(ctx, err)
|
|
}
|
|
|
|
bySnapName := make(map[string]int)
|
|
for _, v := range versions {
|
|
bySnapName[v.GetName()] += 1
|
|
}
|
|
for _, v := range expectExactRfsSnaps {
|
|
bySnapName[v] -= 1
|
|
}
|
|
|
|
for _, v := range bySnapName {
|
|
if v != 0 {
|
|
ctx.Logf("unexpected snaps:\n%#v", bySnapName)
|
|
ctx.FailNow()
|
|
}
|
|
}
|
|
|
|
return report
|
|
}
|
|
|
|
func ReplicationInitialAll(ctx *platformtest.Context) {
|
|
replicationInitialImpl(ctx, logic.InitialReplicationAutoResolutionAll, []string{"3", "2", "1"})
|
|
}
|
|
|
|
func ReplicationInitialMostRecent(ctx *platformtest.Context) {
|
|
replicationInitialImpl(ctx, logic.InitialReplicationAutoResolutionMostRecent, []string{"1"})
|
|
}
|
|
|
|
func ReplicationInitialFail(ctx *platformtest.Context) {
|
|
report := replicationInitialImpl(ctx, logic.InitialReplicationAutoResolutionFail, []string{})
|
|
require.Len(ctx, report.Attempts, 1)
|
|
require.Nil(ctx, report.Attempts[0].PlanError)
|
|
require.Len(ctx, report.Attempts[0].Filesystems, 1)
|
|
require.NotNil(ctx, report.Attempts[0].Filesystems[0].PlanError)
|
|
require.Contains(ctx, report.Attempts[0].Filesystems[0].PlanError.Err, "automatic conflict resolution for initial replication is disabled in config")
|
|
}
|