* Add cache for maven local repo.

* FIx formats.

* Update pre.sh

* add if func
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>

* Reorder steps
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>

* Upgrade minikube to 1.8.0
Signed-off-by: NGao Hongtao <hanahmily@gmail.com>
Co-authored-by: 吴晟 Wu Sheng <wu.sheng@foxmail.com>

* Move e2e and istio e2e to master recheck.

* Try to run tests on tag(release)

* Add `v*` tag to trigger test only, as this is the release tag.

* Trigger CI again

* Make istio/envoy ci test (#3697)

* for #3669

* Add Apache 2.0 header

* Fixed some irrational

* [WIP]Scripts which deploy Istio + OAP + ES to a standard k8s cluster (#3718)

* for #3669

* Add Apache 2.0 header

* Fixed some irrational

* create istio-deploy.sh

* modify notes

* istio version and namespace to parameterize

* Keep template files and tested successfully

* add sw istio adapter

* add a new key for isito adapter

* notes.txt

* add mixer template

* add sw deploy script

* bookinfo and cleanup scripts

* add timeout and set -e

* modify cleanup and request timeout of demo

* End blank line

* Add minikube to CI (#3836)

* Test

* Add github action files

* Add tunnel to provie loadbalancer

* upload logs

* Fixed some nits

* add cassandra java driver 3.x plugin

* rewrite http-async-client

* add unit test and document

* fix check style issue

* update test

* update doc fix ci

* fix review

Fix IPMC checks for releasing.