summary: log failure message to terminal (#1033)

[ti-srebot]

cherry-pick #1033 to release-5.0
You can switch your code base to this Pull Request by using git-extras:

# In br repo:
git pr https://github.com/pingcap/br/pull/1043

After apply modifications, you can push your change to this PR via:

git push git@github.com:ti-srebot/br.git pr/1043:release-5.0-ac3a0e726cbd

---

What problem does this PR solve?

Fixed #1016.

What is changed and how it works?

diff --git a/pkg/summary/collector.go b/pkg/summary/collector.go
index 84dabaeb..3e3264d1 100644
--- a/pkg/summary/collector.go
+++ b/pkg/summary/collector.go
@@ -188,7 +188,7 @@ func (tc *logCollector) Summary(name string) {
                for unitName, reason := range tc.failureReasons {
                        logFields = append(logFields, zap.String("unit-name", unitName), zap.Error(reason))
                }
-               log.Info(name+" failed summary", logFields...)
+               tc.log(name+" failed summary", logFields...)
                return
        }

tc.Log would tee events to terminal.

BTW: should be replace this with things like logutil.InfoTerm, which would be more generic?

Check List

Tests

• Manual test (add detailed scripts or steps below)

Release Note

• Fix a bug that caused, when backup failed, nothing would be printed to terminal.

[kennytm]

/lgtm

[lonng]

/lgtm

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• kennytm
• lonng

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[3pointer]

/lgtm

[3pointer]

/merge

[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: d4ea0c5

[lonng]

/merge

[lonng]

/run-all-tests