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pdctl: fix region key problems in detach mode #1298

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merged 3 commits into from
Oct 26, 2018
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@rleungx rleungx commented Oct 26, 2018

What problem does this PR solve?

Currently, pd-ctl doesn't support using --format in detach mode and also can not decode the key which contains some escape characters, such as \n.

What is changed and how it works?

This PR fixes this two problems. After this PR, we need to wrap the key with single quotes ' in pd-ctl.
For example, we can use the below command to find the region for a given key:

./pd-ctl -d -u http://127.0.0.1:2379 region key --format=encode 't\200\000\000\000\000\000\000\377\035_r\200\000\000\000\000\377\017U\320\000\000\000\000\000 \372\n'

Check List

Tests

  • Manual test

Related changes

  • Need to cherry-pick to the release branch
  • Need to update the documentation
  • Need to be included in the release notes

@rleungx rleungx added the type/bug The issue is confirmed as a bug. label Oct 26, 2018
@@ -303,8 +324,7 @@ func showRegionsFromStartKeyCommandFunc(cmd *cobra.Command, args []string) {
fmt.Println("Error: unknown format")
return
}
// TODO: Deal with path escaped
prefix := regionKeyPrefix + "/" + key
prefix := regionKeyPrefix + "/" + url.QueryEscape(key)
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Do we need to update server-side to adapt this change?

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It seems #1299 will deal with this problem. I will remove it from this PR.

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rleungx commented Oct 26, 2018

/rebuild

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LGTM

@nolouch nolouch merged commit a53e353 into tikv:master Oct 26, 2018
@disksing disksing added the needs-cherry-pick-release-2.1 The PR needs to cherry pick to release-2.1 branch. label Nov 7, 2018
disksing pushed a commit to oh-my-tidb/pd that referenced this pull request Nov 8, 2018
disksing added a commit that referenced this pull request Nov 8, 2018
* pdctl: fix region key problems in detach mode (#1298)

* pd-ctl: escape the key before query the corresponding region (#1299)

* pdctl: fix decode key (#1308)

Signed-off-by: disksing <i@disksing.com>
@nolouch nolouch added the needs-cherry-pick-release-2.0 The PR needs to cherry pick to release-2.0 branch. label Nov 13, 2018
disksing added a commit to oh-my-tidb/pd that referenced this pull request Nov 14, 2018
disksing added a commit that referenced this pull request Nov 14, 2018
* server, client: fix hanging problem when etcd failed to start (#1267)

* server: use same initialcluster config to restart joined member (#1279)

* fix server build

* pdctl: cherry pick bugfixes (#1298, #1299, #1308)

* server/api: fix the issue about `regions/check` API (#1311)

* fix join build

* fix pdctl build

* fix region test

* fix warnings
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needs-cherry-pick-release-2.0 The PR needs to cherry pick to release-2.0 branch. needs-cherry-pick-release-2.1 The PR needs to cherry pick to release-2.1 branch. type/bug The issue is confirmed as a bug.
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3 participants