br-stream: add precheck before create task

[3pointer]

What problem does this PR solve?

Issue Number: close #33087

Problem Summary:
make sure that all stores support log backup then create log backup tasks.

What is changed and how it works?

1. add a check before task starts.
2. use tikv status_address to get config and check when log backup is enabled.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• YuJuncen
• joccau

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[joccau]

rest LGTM

[joccau]

(https://ci.pingcap.net/blue/organizations/jenkins/tidb_ghpr_check/detail/tidb_ghpr_check/54908/pipeline#step-73-log-213)[2022-03-15T09:58:01.697Z] br/pkg/task/stream.go:22: File is not goimports-ed (goimports)

[2022-03-15T09:58:01.697Z] "github.com/pingcap/kvproto/pkg/metapb"

[2022-03-15T09:58:01.697Z] "github.com/pingcap/tidb/br/pkg/httputil"

[2022-03-15T09:58:01.697Z] br/pkg/task/stream_test.go:19: File is not goimports-ed (goimports)

[2022-03-15T09:58:01.697Z] "fmt"

[2022-03-15T09:58:01.697Z] br/pkg/task/stream.go:359:28: response body must be closed (bodyclose)

[2022-03-15T09:58:01.697Z] resp, e := s.httpCli.Get(addr)

[2022-03-15T09:58:01.697Z] ^

[2022-03-15T09:58:01.697Z] level=info msg="File cache stats: 1702 entries of total size 26.3MiB"

[2022-03-15T09:58:01.697Z] level=info msg="Memory: 2299 samples, avg is 1943.3MB, max is 10864.1MB"

[2022-03-15T09:58:01.697Z] level=info msg="Execution took 4m7.969458773s"

[2022-03-15T09:58:01.697Z] make: *** [check-static] Error 1

[YuJuncen]

LGTM

[joccau]

LGTM