*: add snapshot package #9118

gyuho · 2018-01-08T17:38:42Z

Fix #8632.
Address #9109 with tests in snapshot package.

codecov-io · 2018-01-08T21:31:01Z

Codecov Report

Merging #9118 into master will decrease coverage by 0.03%.
The diff coverage is 56.86%.

@@            Coverage Diff             @@
##           master    #9118      +/-   ##
==========================================
- Coverage   75.89%   75.86%   -0.04%     
==========================================
  Files         359      361       +2     
  Lines       30054    30153      +99     
==========================================
+ Hits        22810    22876      +66     
- Misses       5650     5678      +28     
- Partials     1594     1599       +5

Impacted Files	Coverage Δ
etcdctl/ctlv3/command/printer_table.go	`0% <0%> (ø)`	⬆️
etcdctl/ctlv3/command/printer_simple.go	`70.62% <0%> (ø)`	⬆️
etcdctl/ctlv3/command/printer.go	`43.26% <0%> (-0.55%)`	⬇️
etcdctl/ctlv3/command/printer_fields.go	`0% <0%> (ø)`	⬆️
snapshot/logger.go	`21.21% <21.21%> (ø)`
etcdctl/ctlv3/command/printer_json.go	`58.33% <33.33%> (ø)`	⬆️
etcdctl/ctlv3/command/snapshot_command.go	`67.32% <54.76%> (+1.98%)`	⬆️
snapshot/v3_snapshot.go	`64.7% <64.7%> (ø)`
etcdctl/ctlv2/command/watch_command.go	`57.5% <0%> (-22.5%)`	⬇️
pkg/adt/interval_tree.go	`88.28% <0%> (-4.21%)`	⬇️
... and 24 more

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xiang90 · 2018-01-10T18:22:21Z

it seems that snapshot should be a sub pkg under etcdctl?

xiang90 · 2018-01-10T18:22:38Z

/cc @Quentin-M can you give it a look? is this what you want?

Quentin-M · 2018-01-10T21:59:16Z

That's awesome! Thank you so much!

xiang90 · 2018-01-19T21:18:33Z

snapshot/v3_snapshot.go

+	logger        grpclog.LoggerV2
+}
+
+func (s *v3Snapshotter) Save(ctx context.Context, cli *clientv3.Client, dbPath string) error {


the client should be part of the config i feel, not per save.

xiang90 · 2018-01-22T20:48:49Z

snapshot/logger.go

+)
+
+// DefaultLogger defines default snapshot logger based on "capnslog".
+var DefaultLogger grpclog.LoggerV2


this probably should not belong to snapshot pkg. it is not snapshot related.

xiang90 · 2018-01-22T20:49:41Z

snapshot/v3_snapshot.go

+)
+
+// Snapshotter defines snapshot methods.
+type Snapshotter interface {


rename to Manager? so it looks like snapshot.Manager.Save/Status/Restore

xiang90 · 2018-01-22T20:50:14Z

snapshot/v3_snapshot.go

+}
+
+// DBStatus is the snapshot file status.
+type DBStatus struct {


Just Status? Hash/Revision is not db (boltdb in our case) specific, but snapshot related.

xiang90 · 2018-01-22T20:51:30Z

snapshot/v3_snapshot.go

+}
+
+// Config defines snapshot config.
+type Config struct {


we probably should kill this config struct. this is not snapshot related configuration.

xiang90 · 2018-01-22T20:52:08Z

snapshot/v3_snapshot.go

+	return ds, nil
+}
+
+type revision struct {


move this to util.go?

xiang90 · 2018-01-22T20:52:27Z

snapshot/v3_snapshot.go

+
+// initIndex implements ConsistentIndexGetter so the snapshot won't block
+// the new raft instance by waiting for a future raft index.
+type initIndex int


move to util.go?

xiang90 · 2018-01-22T20:53:38Z

a few nits. look good to me in general.

gyuho · 2018-01-22T23:35:59Z

@xiang90 PTAL. All fixed.

xiang90 · 2018-01-23T00:08:53Z

lgtm once CI gets passed.

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

gyuho requested a review from xiang90 January 8, 2018 18:27

gyuho force-pushed the snapshot-code branch 2 times, most recently from 2b0e785 to fe02424 Compare January 8, 2018 19:12

gyuho added the WIP label Jan 10, 2018

gyuho force-pushed the snapshot-code branch from fe02424 to 2ecb174 Compare January 10, 2018 22:55

gyuho removed the WIP label Jan 10, 2018

gyuho force-pushed the snapshot-code branch 2 times, most recently from b61117c to 5e7d66b Compare January 11, 2018 00:21

This was referenced Jan 16, 2018

Improve membership reconfiguration test coverage #9150

Closed

Improve snapshot backup/restore test coverage #9151

Closed

xiang90 reviewed Jan 19, 2018

View reviewed changes

gyuho added the WIP label Jan 19, 2018

gyuho force-pushed the snapshot-code branch from 5e7d66b to 439a170 Compare January 20, 2018 07:47

gyuho removed the WIP label Jan 22, 2018

gyuho force-pushed the snapshot-code branch from 439a170 to 6fcee6b Compare January 22, 2018 18:30

gyuho changed the title *: add snapshot package with restore tests *: add snapshot package Jan 22, 2018

gyuho added the kind/need-release-note-v3.4 label Jan 22, 2018

xiang90 reviewed Jan 22, 2018

View reviewed changes

snapshot/v3_snapshot.go Outdated

return ds, nil

}

type revision struct {

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xiang90 Jan 22, 2018

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move this to util.go?

xiang90 reviewed Jan 22, 2018

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gyuho added the WIP label Jan 22, 2018

gyuho mentioned this pull request Jan 22, 2018

pkg/logger: initial commit #9194

Merged

gyuho force-pushed the snapshot-code branch from 6fcee6b to c9bb115 Compare January 22, 2018 23:25

gyuho removed the WIP label Jan 22, 2018

gyuho added the WIP label Jan 23, 2018

gyuho force-pushed the snapshot-code branch from c9bb115 to cd82ff5 Compare January 23, 2018 00:44

gyuho removed the WIP label Jan 23, 2018

gyuho added 4 commits January 22, 2018 16:46

snapshot: initial commit

6e2555f

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

e2e: use "snapshot.Status"

8b317df

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

etcdctl/ctlv3: replace "dbStatus" with "snapshot.Status"

c3ba417

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

etcdctl/ctlv3: use "snapshot" package for "snapshot" command

df689f4

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>

gyuho force-pushed the snapshot-code branch from cd82ff5 to df689f4 Compare January 23, 2018 00:46

gyuho merged commit 4a12eaf into etcd-io:master Jan 23, 2018

gyuho deleted the snapshot-code branch January 23, 2018 01:31

Quentin-M mentioned this pull request Feb 1, 2018

Implement snapshot restore using Go code rather than etcdctl Quentin-M/etcd-cloud-operator#2

Closed

luxas mentioned this pull request May 15, 2018

Better etcd snapshot/restore in the kubeadm upgrade logic kubernetes/kubeadm#618

Closed

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*: add snapshot package #9118

*: add snapshot package #9118

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*: add snapshot package #9118

*: add snapshot package #9118

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