* Make k8s-Coordinator back in role mode.

* Start query API server after the core started.

* Do lock when port has been intialized.

* Rename service.

* Fix text cases.

* Declare ConfigService.class in core module.

* Implement in an easier way.

* Envoy print whole metric, now in debug.

* Forcedly fix envoy timestamp issue.

* The role of OAP server.
Mixed: Receive agent data, level 1 aggregate, level 2 aggregate
Receiver: Receive agent data, level 1 aggregate
Aggregator: level 2 aggregate

* Mistake, stadalone default.

* Update application.yml

* #2327

Add a new module for share receiver server or to be a bridge of core server.

* Rename the module name.

* Try to fix test cover.

* Update .travis.yml

* Set for test only

* Try again

* Try new setting.

* add instance id configuration item

* add doc about instance uuid

* Extend envoy metric service, scope and OAL lexer/parser.

* Finish metric extension and oal.

* Make test env works.

* Finish test of envoy connection and memory metric.

* Change document.

* Finish docker compose test.

* Add more info for identify metrics
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Fix typo
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

Make supported list more clear.

Fix it to follow the [REPORTING GUIDELINES](CODE_OF_CONDUCT.md#reporting-guidelines).

Fixed wrong parameter

* Add CLR metric scope and oal_script

* Add max indicator

* Fix checkstyle

* Add envoy metrics service protos

This patch imports protos from envoyproxy/data-plane-api and
prometheus/client_model to enable metrics service service feature in
SkyWalking OAP.
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Add Envoy related docs
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Update the LICENSE to include new protos license

From:
- envoyproxy/data-plane-api
- prometheus/client_model
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Add a complete config.yaml example
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Add note on Envoy dynamic config
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Add protoc-gen-validate license
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Add samples
Signed-off-by: NDhi Aurrahman <dio@tetrate.io>

* Make CI and license right.

* Update README.md

@dhi typo :P

* Update README.md

Another typo :P

* Delete metrics.json

metrics.json is included in identify.json and not be linked in document.

* Update and rename Spring-bean-plugins.md to Spring-annotation-plugin.md

* Update README.md

* Update README.md

* Add peer to entry span

* Fix CI

* Make scope meta configurable.

* Fix test cases in ci.

* Change step 1

* Refactor step 2

* Other compile issue done. Prepare the generator changes.

* Revert some wrong changes to Istio receiver.

* Step 3, make compile pass.

* Try to make CI passed.

* Add a check.

* Fix generated code style

* Provide new and extendable dispatcher generator tool

* Fix startup.

* Can't guarantee the dispatchers are always existing. Put explicit comments at there to avoid confusion, since this is different with old version.

* Fix a H2 query for endpoint search.

* Fix a wrong mysql alarm query.

* Provide new document and `generate-tool-grammer` module.

* Add missing last section of document.

* Fix typo

* Relocate the @ScopeDeclaration annotation, make it more sense. Also remove the useless @SourceType annotation. And adjust document for these changes

* ScopeDeclaration can be used once for each class only, now.

* Sync UI

* Sync Fix ui bug

* add serviceInstanceId in Segment storage.

* add serviceInstanceId in query condition.

* Fix ArrayIndexOutOfBoundsException when intercepting net.spy.memcached.MemcachedClient.getStats()

* revert format

* Update user wall.

* Add a missing website.

- Set WORKDIR to skywalking
 - Change base image to openjdk:8u181-jdk-stretch which contains java tool-chains

* Refactor for cluster mode.

* Make send to L2 in certain cycle.