Sync tidbautoscaler with PD API

DanielZhangQD commented 4 years ago

Feature Request

Is your feature request related to a problem? Please describe:

Describe the feature you'd like:

[x] support PD auto-scaling API in pdclient @howardlau1999
[x] support using pd api response in auto-scaling controller @howardlau1999
[x] remove the useless attributes/codes in crd and controller.
[x] support demonstrating the auto-scaling status in auto-scaler cr status.
[x] Create new TC for external queries.
[ ] Auto-scaling with TLS enabled, may have to use the cert-manager case here to create the secret automatically.
[ ] UT https://github.com/pingcap/tidb-operator/issues/2937
[ ] e2e

Describe alternatives you've considered:

Teachability, Documentation, Adoption, Migration Strategy:

howardlau1999 commented 3 years ago

Sync TidbMonitor clusters reference in a separate logic after clusters are created and deleted

howardlau1999 commented 3 years ago

Move resources definition in the spec to tikv.spec and tidb.spec

DanielZhangQD commented 3 years ago

The sync logic would be like:

sync
  synctidb
    syncexternal
    syncpd
  synctikv
    syncexternal
    sycntikv
  syncMonitor

howardlau1999 commented 3 years ago

Check autoscaling interval according to status for each group