Files
kopia/cli/command_repository_set_parameters.go
Jarek Kowalski 51dcaa985d chore(ci): upgraded linter to 1.48.0 (#2294)
Mechanically fixed all issues, added `lint-fix` make target.
2022-08-09 06:07:54 +00:00

231 lines
8.1 KiB
Go

package cli
import (
"context"
"time"
"github.com/pkg/errors"
"github.com/kopia/kopia/internal/epoch"
"github.com/kopia/kopia/internal/feature"
"github.com/kopia/kopia/internal/units"
"github.com/kopia/kopia/repo"
"github.com/kopia/kopia/repo/blob"
"github.com/kopia/kopia/repo/content"
"github.com/kopia/kopia/repo/format"
)
type commandRepositorySetParameters struct {
maxPackSizeMB int
indexFormatVersion int
retentionMode string
retentionPeriod time.Duration
epochRefreshFrequency time.Duration
epochMinDuration time.Duration
epochCleanupSafetyMargin time.Duration
epochAdvanceOnCount int
epochAdvanceOnSizeMB int64
epochDeleteParallelism int
epochCheckpointFrequency int
upgradeRepositoryFormat bool
addRequiredFeature string
removeRequiredFeature string
warnOnMissingRequiredFeature bool
svc appServices
}
func (c *commandRepositorySetParameters) setup(svc appServices, parent commandParent) {
cmd := parent.Command("set-parameters", "Set repository parameters.").Alias("set-params")
cmd.Flag("max-pack-size-mb", "Set max pack file size").PlaceHolder("MB").IntVar(&c.maxPackSizeMB)
cmd.Flag("index-version", "Set version of index format used for writing").IntVar(&c.indexFormatVersion)
cmd.Flag("retention-mode", "Set the blob retention-mode for supported storage backends.").EnumVar(&c.retentionMode, "none", blob.Governance.String(), blob.Compliance.String())
cmd.Flag("retention-period", "Set the blob retention-period for supported storage backends.").DurationVar(&c.retentionPeriod)
cmd.Flag("upgrade", "Upgrade repository to the latest stable format").BoolVar(&c.upgradeRepositoryFormat)
cmd.Flag("epoch-refresh-frequency", "Epoch refresh frequency").DurationVar(&c.epochRefreshFrequency)
cmd.Flag("epoch-min-duration", "Minimal duration of a single epoch").DurationVar(&c.epochMinDuration)
cmd.Flag("epoch-cleanup-safety-margin", "Epoch cleanup safety margin").DurationVar(&c.epochCleanupSafetyMargin)
cmd.Flag("epoch-advance-on-count", "Advance epoch if the number of indexes exceeds given threshold").IntVar(&c.epochAdvanceOnCount)
cmd.Flag("epoch-advance-on-size-mb", "Advance epoch if the total size of indexes exceeds given threshold").Int64Var(&c.epochAdvanceOnSizeMB)
cmd.Flag("epoch-delete-parallelism", "Epoch delete parallelism").IntVar(&c.epochDeleteParallelism)
cmd.Flag("epoch-checkpoint-frequency", "Checkpoint frequency").IntVar(&c.epochCheckpointFrequency)
if svc.enableTestOnlyFlags() {
cmd.Flag("add-required-feature", "Add required feature which must be present to open the repository").Hidden().StringVar(&c.addRequiredFeature)
cmd.Flag("remove-required-feature", "Remove required feature").Hidden().StringVar(&c.removeRequiredFeature)
cmd.Flag("warn-on-missing-required-feature", "Only warn (instead of failing) when the required feature is missing").Hidden().BoolVar(&c.warnOnMissingRequiredFeature)
}
cmd.Action(svc.directRepositoryWriteAction(c.run))
c.svc = svc
}
func (c *commandRepositorySetParameters) setSizeMBParameter(ctx context.Context, v int, desc string, dst *int, anyChange *bool) {
if v == 0 {
return
}
*dst = v << 20 //nolint:gomnd
*anyChange = true
log(ctx).Infof(" - setting %v to %v.\n", desc, units.BytesStringBase2(int64(v)<<20)) //nolint:gomnd
}
func (c *commandRepositorySetParameters) setInt64SizeMBParameter(ctx context.Context, v int64, desc string, dst *int64, anyChange *bool) {
if v == 0 {
return
}
*dst = v << 20 //nolint:gomnd
*anyChange = true
log(ctx).Infof(" - setting %v to %v.\n", desc, units.BytesStringBase2(v<<20)) //nolint:gomnd
}
func (c *commandRepositorySetParameters) setIntParameter(ctx context.Context, v int, desc string, dst *int, anyChange *bool) {
if v == 0 {
return
}
*dst = v
*anyChange = true
log(ctx).Infof(" - setting %v to %v.\n", desc, v)
}
func (c *commandRepositorySetParameters) setDurationParameter(ctx context.Context, v time.Duration, desc string, dst *time.Duration, anyChange *bool) {
if v == 0 {
return
}
*dst = v
*anyChange = true
log(ctx).Infof(" - setting %v to %v.\n", desc, v)
}
func (c *commandRepositorySetParameters) setRetentionModeParameter(ctx context.Context, v blob.RetentionMode, desc string, dst *blob.RetentionMode, anyChange *bool) {
if !v.IsValid() {
return
}
*dst = v
*anyChange = true
log(ctx).Infof(" - setting %v to %s.\n", desc, v)
}
func (c *commandRepositorySetParameters) run(ctx context.Context, rep repo.DirectRepositoryWriter) error {
var anyChange bool
mp := rep.ContentReader().ContentFormat().Struct().MutableParameters
blobcfg := rep.BlobCfg()
requiredFeatures, err := rep.RequiredFeatures()
if err != nil {
return errors.Wrap(err, "unable to get required features")
}
upgradeToEpochManager := false
if c.upgradeRepositoryFormat {
anyChange = true
if !mp.EpochParameters.Enabled {
mp.EpochParameters = epoch.DefaultParameters()
upgradeToEpochManager = true
mp.IndexVersion = 2
}
if mp.Version < format.FormatVersion2 {
mp.Version = format.FormatVersion2
}
}
c.setSizeMBParameter(ctx, c.maxPackSizeMB, "maximum pack size", &mp.MaxPackSize, &anyChange)
c.setIntParameter(ctx, c.indexFormatVersion, "index format version", &mp.IndexVersion, &anyChange)
if c.retentionMode == "none" {
if blobcfg.IsRetentionEnabled() {
log(ctx).Infof("disabling blob retention")
blobcfg.RetentionMode = ""
blobcfg.RetentionPeriod = 0
anyChange = true
}
} else {
c.setRetentionModeParameter(ctx, blob.RetentionMode(c.retentionMode), "storage backend blob retention mode", &blobcfg.RetentionMode, &anyChange)
c.setDurationParameter(ctx, c.retentionPeriod, "storage backend blob retention period", &blobcfg.RetentionPeriod, &anyChange)
}
c.setDurationParameter(ctx, c.epochMinDuration, "minimum epoch duration", &mp.EpochParameters.MinEpochDuration, &anyChange)
c.setDurationParameter(ctx, c.epochRefreshFrequency, "epoch refresh frequency", &mp.EpochParameters.EpochRefreshFrequency, &anyChange)
c.setDurationParameter(ctx, c.epochCleanupSafetyMargin, "epoch cleanup safety margin", &mp.EpochParameters.CleanupSafetyMargin, &anyChange)
c.setIntParameter(ctx, c.epochAdvanceOnCount, "epoch advance on count", &mp.EpochParameters.EpochAdvanceOnCountThreshold, &anyChange)
c.setInt64SizeMBParameter(ctx, c.epochAdvanceOnSizeMB, "epoch advance on total size", &mp.EpochParameters.EpochAdvanceOnTotalSizeBytesThreshold, &anyChange)
c.setIntParameter(ctx, c.epochDeleteParallelism, "epoch delete parallelism", &mp.EpochParameters.DeleteParallelism, &anyChange)
c.setIntParameter(ctx, c.epochCheckpointFrequency, "epoch checkpoint frequency", &mp.EpochParameters.FullCheckpointFrequency, &anyChange)
requiredFeatures = c.addRemoveUpdateRequiredFeatures(requiredFeatures, &anyChange)
if !anyChange {
return errors.Errorf("no changes")
}
if upgradeToEpochManager {
log(ctx).Infof("migrating current indexes to epoch format")
if err := rep.ContentManager().PrepareUpgradeToIndexBlobManagerV1(ctx, mp.EpochParameters); err != nil {
return errors.Wrap(err, "error upgrading indexes")
}
}
if err := rep.SetParameters(ctx, mp, blobcfg, requiredFeatures); err != nil {
return errors.Wrap(err, "error setting parameters")
}
if upgradeToEpochManager {
if err := content.WriteLegacyIndexPoisonBlob(ctx, rep.BlobStorage()); err != nil {
log(ctx).Errorf("unable to write legacy index poison blob: %v", err)
}
}
log(ctx).Infof("NOTE: Repository parameters updated, you must disconnect and re-connect all other Kopia clients.")
return nil
}
func (c *commandRepositorySetParameters) addRemoveUpdateRequiredFeatures(orig []feature.Required, anyChange *bool) []feature.Required {
var result []feature.Required
for _, v := range orig {
if v.Feature == feature.Feature(c.removeRequiredFeature) || v.Feature == feature.Feature(c.addRequiredFeature) {
*anyChange = true
continue
}
result = append(result, v)
}
if c.addRequiredFeature != "" {
result = append(result, feature.Required{
Feature: feature.Feature(c.addRequiredFeature),
IfNotUnderstood: feature.IfNotUnderstood{
Warn: c.warnOnMissingRequiredFeature,
},
})
*anyChange = true
}
return result
}