add simulator for scale tests #1493

liu4480 · 2020-11-05T03:16:33Z

The binary simulates an antrea-agent in pod for scale test, it works with kubemark which simulates kubelet and kube-proxy. It mainly watches networkPolicies, addressGroups and appliedToGroups.

To run simulator , please refer to docs/antrea-agent-simulator.md

vmwclabot · 2020-11-05T03:16:38Z

@liu4480, VMware has rejected your signed contributor license agreement. The merge can not proceed until the agreement has been resigned. Click here to resign the agreement.

antrea-bot · 2020-11-05T03:16:49Z

Thanks for your PR.
Unit tests and code linters are run automatically every time the PR is updated.
E2e, conformance and network policy tests can only be triggered by a member of the vmware-tanzu organization. Regular contributors to the project should join the org.

The following commands are available:

/test-e2e: to trigger e2e tests.
/skip-e2e: to skip e2e tests.
/test-conformance: to trigger conformance tests.
/skip-conformance: to skip conformance tests.
/test-all-features-conformance: to trigger conformance tests with all alpha features enabled.
/skip-all-features-conformance: to skip conformance tests with all alpha features enabled.
/test-whole-conformance: to trigger all conformance tests on linux.
/skip-whole-conformance: to skip all conformance tests on linux.
/test-networkpolicy: to trigger networkpolicy tests.
/skip-networkpolicy: to skip networkpolicy tests.
/test-windows-conformance: to trigger windows conformance tests.
/skip-windows-conformance: to skip windows conformance tests.
/test-windows-networkpolicy: to trigger windows networkpolicy tests.
/skip-windows-networkpolicy: to skip windows networkpolicy tests.
/test-hw-offload: to trigger ovs hardware offload test.
/skip-hw-offload: to skip ovs hardware offload test.
/test-all: to trigger all tests (except whole conformance).
/skip-all: to skip all tests (except whole conformance).

codecov-io · 2020-11-05T03:53:40Z

Codecov Report

Merging #1493 (119f25f) into master (9d3d10b) will increase coverage by 0.42%.
The diff coverage is 66.30%.

@@            Coverage Diff             @@
##           master    #1493      +/-   ##
==========================================
+ Coverage   63.31%   63.74%   +0.42%     
==========================================
  Files         170      181      +11     
  Lines       14250    15511    +1261     
==========================================
+ Hits         9023     9888     +865     
- Misses       4292     4584     +292     
- Partials      935     1039     +104

Flag	Coverage Δ
e2e-tests	`27.69% <33.28%> (?)`
kind-e2e-tests	`52.74% <55.66%> (-2.65%)`	⬇️
unit-tests	`41.28% <38.06%> (+<0.01%)`	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
.../agent/apiserver/handlers/networkpolicy/handler.go	`58.33% <ø> (ø)`
...gent/controller/noderoute/node_route_controller.go	`45.83% <0.00%> (-0.64%)`	⬇️
pkg/agent/stats/collector.go	`97.72% <ø> (ø)`
pkg/agent/types/networkpolicy.go	`83.33% <ø> (ø)`
pkg/antctl/antctl.go	`100.00% <ø> (ø)`
pkg/antctl/command_definition.go	`55.66% <ø> (+15.25%)`	⬆️
pkg/antctl/transform/addressgroup/transform.go	`43.47% <ø> (ø)`
pkg/antctl/transform/appliedtogroup/transform.go	`43.47% <ø> (ø)`
pkg/antctl/transform/controllerinfo/transform.go	`0.00% <ø> (ø)`
pkg/antctl/transform/networkpolicy/transform.go	`0.00% <ø> (ø)`
... and 125 more

build/images/Dockerfile.simulator.build.ubuntu

build/images/Dockerfile.simulator.ubuntu

cmd/antrea-agent-simulator/main.go

cmd/antrea-agent-simulator/simulator.go

liu4480 · 2020-11-06T09:29:06Z

@tnqn I've updated this pull request based on your suggestions.

build/yamls/antrea-agent-simulator.yaml

build/yamls/patches/simulator/simulator.yml

build/yamls/antrea-agent-simulator.yaml

tnqn · 2020-11-16T16:59:11Z

Makefile

+scale-manifest:
+	@echo "===> Generating dev manifest for Antrea <==="
+	$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea.yml
+	$(CURDIR)/hack/generate-manifest.sh --mode dev --ipsec > build/yamls/antrea-ipsec.yml


I think we just need one manifest for scale test.

Agree. Since we actually don't release the yaml, I also think we don't need a target here.

@tnqn @weiqiangt do you think it is better to add the yaml file than generating yaml file by scripts?

IMO, I actually prefer the opposite way. We can just generate one once we're going to use the simulator YAML.
But one quick question, how can users tune the number of simulated nodes? Maybe when generating the simulator YAML, the generator should accept an argument to tune the number.

The published yaml are for user consumption, I think we don't put yaml for tests there, otherwise there will be too many, like the one for code coverage.

IMO, I actually prefer the opposite way. We can just generate one once we're going to use the simulator YAML.
But one quick question, how can users tune the number of simulated nodes? Maybe when generating the simulator YAML, the generator should accept an argument to tune the number.

@liu4480, do we have a way to tune the simulator replica number?

@weiqiangt I 've proposed a solution, for example:
make scale-manifest REPLICA=10
this will modify the replica to 10 for simulator

cmd/antrea-agent-simulator/simulator.go

hack/generate-manifest.sh

build/yamls/antrea-agent-simulator.yaml

tnqn · 2020-12-02T07:06:31Z

/test-all

cmd/antrea-agent-simulator/simulator.go

liu4480 · 2020-12-09T07:08:44Z

/test-all

hack/generate-manifest.sh

cmd/antrea-agent-simulator/main.go

tnqn · 2020-12-09T13:43:54Z

Makefile

+	@echo "===> Generating dev manifest for Antrea <==="
+	$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea-simulator.yml
+	$(CURDIR)/hack/generate-manifest.sh --mode dev --ipsec > build/yamls/antrea-ipsec.yml
+	cp $(CURDIR)/build/yamls/patches/simulator/antrea-agent-simulator.yml build/yamls/


why don't merge the simulator yaml into "antrea-simulator.yml" when executing generate-manifest.sh? I think it's how other modes do.

since simulator is not in antrea.yml, patch will fail due to it can not find simulator.

@tnqn how about command like:

cat $(CURDIR)/build/yamls/patches/simulator/antrea-agent-simulator.yml >> build/yamls/antrea-simulator.yml

this can also merge antrea-agent-simulator.yml into antrea-simulator.yml

Makefile

build/yamls/patches/simulator/antrea-agent-simulator.yml

build/images/Dockerfile.simulator.build.ubuntu

antoninbas · 2020-12-10T22:03:27Z

Makefile

+	docker build -t harbor-repo.vmware.com/dockerhub-proxy-cache/antrea/antrea-ubuntu-simulator:$(DOCKER_IMG_VERSION) \
+	    -f build/images/Dockerfile.simulator.build.ubuntu .
+	docker tag harbor-repo.vmware.com/dockerhub-proxy-cache/antrea/antrea-ubuntu-simulator:$(DOCKER_IMG_VERSION) \
+	    harbor-repo.vmware.com/dockerhub-proxy-cache/antrea/antrea-ubuntu-simulator


harbor-repo.vmware.com/dockerhub-proxy-cache/antrea/antrea-ubuntu-simulator doesn't seem right for 2 reasons:

harbor-repo.vmware.com is a private VMware registry, not accessible outside of the VMware corporate network

dockerhub-proxy-cache is meant to be used as a cache to pull images; it doesn't make sense to build an image locally and tag it like this

If you edit https://github.com/vmware-tanzu/antrea/blob/master/.github/workflows/build.yml, then an updated image for the simulator will be pushed to dockerhub every time master is updated. This image will be accessible through the VMware internal dockerhub proxy cache (if you are on the corporate network) AND will automatically be mirrored to projects.registry.vmware.com where everyone will be able to pull it with no rate limiting restrictions. The YAML files can reference projects.registry.vmware.com as it is a public registry.

@antoninbas thanks, just change it to antrea/antrea-simulator-ubuntu

antoninbas · 2020-12-10T22:04:24Z

build/yamls/patches/simulator/antrea-agent-simulator.yml

+          path: /var/log
+      containers:
+      - name: simulator
+        image: harbor-repo.vmware.com/dockerhub-proxy-cache/antrea/antrea-ubuntu-simulator:latest


see my comment above about the harbor-repo.vmware.com/dockerhub-proxy-cache registry

also, when is this image ever pushed to dockerhub?

antoninbas · 2020-12-10T22:05:39Z

cmd/antrea-agent-simulator/simulator.go

+// Package main under directory cmd parses and validates user input,
+// instantiates and initializes objects imported from pkg, and runs
+// the process.


that doesn't look like a super useful comment to me. That's very generic and not specific to the simulator

thanks, added some comment specific to simulator

I don't think this is any more useful. See my comment for main.go.

antoninbas · 2020-12-10T22:06:42Z

cmd/antrea-agent-simulator/simulator.go

+	"github.com/vmware-tanzu/antrea/pkg/version"
+)
+
+func createClientSet(kubeConfig *rest.Config) (clientset.Interface, aggregatorclientset.Interface, crdclientset.Interface, error) {


we cannot use CreateClients from vmware-tanzu/antrea/pkg/k8s?

thanks for pointing, changed to vmware-tanzu/antrea/pkg/k8s

antoninbas · 2020-12-10T22:08:23Z

In addition to my review comments, I do not see any information about the simulator in the PR description & commit messages? There is also no information as markdown documentation on how devs can run the simulator.

liu4480 · 2020-12-11T03:10:01Z

In addition to my review comments, I do not see any information about the simulator in the PR description & commit messages? There is also no information as markdown documentation on how devs can run the simulator.

@antoninbas I added a README in cmd/simulator to describe how to run simulator, is it OK?

liu4480 · 2020-12-17T01:51:07Z

@antoninbas @tnqn just addressed the new comments, is there other comments about this PR?

liu4480 · 2020-12-17T01:54:27Z

/test-all

tnqn · 2020-12-17T16:47:41Z

Makefile

@@ -279,6 +290,11 @@ manifest:
 	$(CURDIR)/hack/generate-manifest-octant.sh --mode dev > build/yamls/antrea-octant.yml
 	$(CURDIR)/hack/generate-manifest-windows.sh --mode dev > build/yamls/antrea-windows.yml

+.PHONY: scale-manifest
+scale-manifest:


Suggested change

scale-manifest:

manifest-scale:

to keep align with the other name "manifest-converage"

tnqn · 2020-12-17T16:51:09Z

Makefile

+.PHONY: scale-manifest
+scale-manifest:
+	@echo "===> Generating simulator manifest for Antrea <==="
+	$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea-simulator.yml


Suggested change

$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea-simulator.yml

$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea-scale.yml

Since the target is named manifest-scale and the yaml includes not only simulator

build/images/Dockerfile.simulator.build.ubuntu

tnqn · 2020-12-17T17:09:15Z

build/yamls/patches/simulator/simulator.yml

@@ -0,0 +1,33 @@
+apiVersion: apps/v1


maybe name it nodeAffinity.yml

tnqn · 2020-12-17T17:14:38Z

cmd/antrea-agent-simulator/simulator.go

+		"appliedGroup",
+	}
+
+	// Call watch by goroutine with wait.NonSlidingUntil


nit: the below code is self-explanatory for this comment

tnqn · 2020-12-17T17:18:20Z

docs/antrea-agent-simulator.md

+# Run Antrea agent simulator
+
+## 1. build the simulator image
+```bash


I remember there are some format requirements for the doc to be rendered on website correctly.
For example, there needs to be an empty line before the code. Not sure there's CI job checking this. But you can follow other docs' style or standard markdown guide.

there is a CI job and looks like it's failing on this PR, which is a good sign :)

tnqn · 2020-12-17T17:21:46Z

docs/antrea-agent-simulator.md

+make WHAT=cmd/kubemark KUBE_BUILD_PLATFORMS=linux/amd64
+cp ./_output/local/go/bin/linux_amd64/kubemark cluster/images/kubemark
+```
+change the image in Dockerfile to other base images if pull failed, for example(antrea/base-ubuntu:2.14.0)


I think we don't need to mention this in doc specically. And actually I can pull the image.

I put it in vmware's private image repository, shall I also push it to antrea?

tnqn · 2020-12-17T17:24:08Z

docs/antrea-agent-simulator.md

+```bash
+make scale-manifest
+```
+The above command will create one simulator, to change the number of simulators, please modify the yaml file, edit the replica of simulator


Please wrap the lines following other docs's width

tnqn

Overall LGTM, comments for the doc left.

tnqn · 2020-12-18T12:31:23Z

docs/antrea-agent-simulator.md

@@ -0,0 +1,74 @@
+[toc]


Remove this? It appears in the rendered page

btw if you don't want to include a TOC for a doc, you can just add it to hack/.notableofcontents

tnqn · 2020-12-18T12:33:46Z

docs/antrea-agent-simulator.md

+
+## Table of Contents
+<!-- toc -->
+- [build the images](#build-the-images)


toc should be capitalized, so do the section headers below.

thanks, since the markdown is simple, I just removed the table of content

liu4480 · 2020-12-23T05:09:42Z

/test-all

liu4480 · 2020-12-24T09:56:41Z

/test-all

tnqn · 2020-12-24T12:44:34Z

.github/workflows/build.yml

+    steps:
+    - uses: actions/checkout@v2
+    - name: Build Antrea Docker image
+      run: make manifest-scale build-scale-simulator


why "manifest-scale" is here? the workflow is to push the image, right?

build/yamls/patches/simulator/controllerNodeAffinity.yml

docs/antrea-agent-simulator.md

build/yamls/patches/simulator/antrea-agent-simulator.yml

docs/antrea-agent-simulator.md

.github/workflows/build.yml

cmd/antrea-agent-simulator/main.go

antoninbas · 2021-01-04T23:16:40Z

cmd/antrea-agent-simulator/simulator.go

+// Package main under directory cmd parses and validates user input,
+// instantiates and initializes objects imported from pkg, and runs
+// the process.


I don't think this is any more useful. See my comment for main.go.

cmd/antrea-agent-simulator/simulator.go

antoninbas · 2021-01-04T23:20:16Z

docs/antrea-agent-simulator.md

+2. Build the kubemark image
+
+   If you alreay have a kubemark image, please ignore this step.
+
+   ```bash
+   cd $KUBERNETES_PATH
+   make WHAT=cmd/kubemark KUBE_BUILD_PLATFORMS=linux/amd64
+   cp ./_output/local/go/bin/linux_amd64/kubemark cluster/images/kubemark
+   cd cluster/images/kubemark
+   docker build -t kubemark:latest .
+   ```


@tnqn I thought you wanted to push the kubemark image to our dockerhub / harbor registry?

I have done that, where do you think the commands that generate the image should be put?

Not sure we need to include them in the repository at all? If you want to document them somewhere for future updates to the image, I guess you can add a document under https://github.com/vmware-tanzu/antrea/tree/master/docs/maintainers

I mostly wanted to point out that the current steps are misleading:

users don't need to build the image themselves

if users do decide to build the image themselves, they also need to load it into the Nodes and change the tag, as the manifest file references projects.registry.vmware.com/antrea/kubemark:v1.18.4

I removed this part from antrea-agent-simulator.md, and move to docs/maintainer/kubemark.md

docs/antrea-agent-simulator.md

hack/generate-manifest.sh

docs/antrea-agent-simulator.md

tnqn · 2021-01-06T08:50:30Z

cmd/antrea-agent-simulator/simulator.go

+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// The simulator binary is responsible to run simulated nodes for antrea agent.


Suggested change

// The simulator binary is responsible to run simulated nodes for antrea agent.

// The simulator binary is responsible for running simulated antrea agent.

tnqn · 2021-01-06T08:54:46Z

docs/antrea-agent-simulator.md

+
+## Create the yaml file
+
+This demo uses 1 simulator, this command will create a yaml file build/yamls/antrea-simulator.yml


Suggested change

This demo uses 1 simulator, this command will create a yaml file build/yamls/antrea-simulator.yml

This demo uses 1 simulator, this command will create a yaml file `build/yamls/antrea-scale.yml`.

tnqn · 2021-01-06T08:58:20Z

docs/antrea-agent-simulator.md

+## Create secret for kubemark
+
+   ```bash
+    cp ~/.kube/config admin.conf


I think it's not necessary to make a copy first. User can choose their own kubeconfig wherever it is as the the following command indicates.

tnqn · 2021-01-06T08:58:51Z

docs/antrea-agent-simulator.md

+   kubectl apply -f build/yamls/antrea-scale.yml
+   ```
+
+check the simulator


Suggested change

check the simulator

Check the simulated Nodes:

tnqn · 2021-01-06T09:02:00Z

docs/maintainers/build-kubemark.md

@@ -0,0 +1,10 @@
+# Build the kubemark image
+  This documentation simply describes how to build kubemark image.


Suggested change

This documentation simply describes how to build kubemark image.

This documentation simply describes how to build the kubemark image used in [Antrea scale testing](/docs/antrea-agent-simulator.md).

Otherwise people won't know what this is for.

Add an empty line before the text. And no indent is needed I think.

docs/maintainers/build-kubemark.md

tnqn · 2021-01-06T09:07:39Z

docs/maintainers/build-kubemark.md

+   make WHAT=cmd/kubemark KUBE_BUILD_PLATFORMS=linux/amd64
+   cp ./_output/local/go/bin/linux_amd64/kubemark cluster/images/kubemark
+   cd cluster/images/kubemark
+   docker build -t antrea/kubemark:latest .


Suggested change

docker build -t antrea/kubemark:latest .

docker build -t antrea/kubemark:v1.18.4 .

tnqn · 2021-01-06T09:09:23Z

docs/antrea-agent-simulator.md

@@ -0,0 +1,46 @@
+# Run Antrea agent simulator
+
+This document describes how to run the Antrea agent simulator. The simulator is useful for Antrea scalability testing, without having to create a very large cluster.


Please wrap the text in 80 chars per line as other files do.

liu4480 · 2021-01-08T01:11:43Z

/test-all

docs/maintainers/build-kubemark.md

tnqn · 2021-01-08T03:13:47Z

docs/maintainers/build-kubemark.md

+# Build the kubemark image
+This documentation simply describes how to build the kubemark image used in
+[Antrea scale testing](docs/antrea-agent-simulator.md)
+   ```bash


liu4480 · 2021-01-08T08:05:54Z

/test-all

tnqn

LGTM

tnqn · 2021-01-08T08:10:52Z

@antoninbas would you take a final look?

antoninbas · 2021-01-08T18:49:02Z

build/images/Dockerfile.simulator.build.ubuntu

+RUN make antrea-agent-simulator
+
+
+FROM antrea/base-ubuntu:2.14.0


does the simulator actually depend on this image? does it need Open vSwitch?
if not, it's better to just use ubuntu:20.04 as the base here; it will lead to a smaller image and will be easier to maintain IMO

thanks, it does not need ovs, will change to ubuntu:20.04

antoninbas · 2021-01-08T18:49:53Z

docs/antrea-agent-simulator.md

+  ```bash
+  make build-scale-simulator
+  ```


nit: I don't think any of these codeblocks need to be indented

@antoninbas thanks for the latest advices, just resolved

liu4480 · 2021-01-11T00:58:48Z

/test-all

This patch implements agent simulator as add an independent bin, it runs with kubemark which simulates kubelet, and mainly watches NetworkPolicies, AddressGroups and AppliedToGroups from antrea controller and prints the events of these resources to log. With agent simulator, we do not need to lauch large cluster for scale test. The agent simulator uses labels and nodeaffinity to disable antrea-agent/antrea-controller running on the simulated nodes, and we can add some taints to not allow other pods to run on simulated nodes. To use agent simulator, please refer to docs/antrea-agent-simulator.md.

liu4480 · 2021-01-12T03:02:47Z

/test-all

This patch implements agent simulator as add an independent bin, it runs with kubemark which simulates kubelet, and mainly watches NetworkPolicies, AddressGroups and AppliedToGroups from antrea controller and prints the events of these resources to log. With agent simulator, we do not need to lauch large cluster for scale test. The agent simulator uses labels and nodeaffinity to disable antrea-agent/antrea-controller running on the simulated nodes, and we can add some taints to not allow other pods to run on simulated nodes. To use agent simulator, please refer to docs/antrea-agent-simulator.md.

liu4480 changed the title ~~add simulator for scale tests~~ add simulator for scale tests(WIP) Nov 5, 2020

liu4480 changed the title ~~add simulator for scale tests(WIP)~~ add simulator for scale tests Nov 5, 2020

tnqn reviewed Nov 5, 2020

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liu4480 changed the title ~~add simulator for scale tests~~ add simulator for scale tests（WIP） Nov 6, 2020

liu4480 changed the title ~~add simulator for scale tests（WIP）~~ add simulator for scale tests Nov 6, 2020

tnqn reviewed Nov 16, 2020

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liu4480 closed this Jan 6, 2021

This was referenced Jan 6, 2021

add simulator to run scale test without large number of nodes #1719

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add simulator to run scale test without large number of nodes #1720

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liu4480 dismissed stale reviews from antoninbas and tnqn via 94d8a9c January 10, 2021 14:28

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tnqn merged commit 8fefd0c into antrea-io:master Jan 12, 2021

liu4480 deleted the simulator branch January 12, 2021 06:28

	$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea-simulator.yml
	$(CURDIR)/hack/generate-manifest.sh --mode dev --simulator > build/yamls/antrea-scale.yml

	// The simulator binary is responsible to run simulated nodes for antrea agent.
	// The simulator binary is responsible for running simulated antrea agent.


		## Create the yaml file

		This demo uses 1 simulator, this command will create a yaml file build/yamls/antrea-simulator.yml

		@@ -0,0 +1,10 @@
		# Build the kubemark image
		This documentation simply describes how to build kubemark image.

	docker build -t antrea/kubemark:latest .
	docker build -t antrea/kubemark:v1.18.4 .

		@@ -0,0 +1,46 @@
		# Run Antrea agent simulator

		This document describes how to run the Antrea agent simulator. The simulator is useful for Antrea scalability testing, without having to create a very large cluster.

		RUN make antrea-agent-simulator


		FROM antrea/base-ubuntu:2.14.0

add simulator for scale tests #1493

add simulator for scale tests #1493

Conversation

liu4480 commented Nov 5, 2020 • edited Loading

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tnqn commented Dec 2, 2020

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liu4480 Dec 11, 2020 • edited Loading

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antoninbas commented Dec 10, 2020

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liu4480 commented Dec 23, 2020

liu4480 commented Dec 24, 2020

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liu4480 commented Jan 8, 2021

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liu4480 commented Jan 11, 2021

liu4480 commented Jan 12, 2021

liu4480 commented Nov 5, 2020 •

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codecov-io commented Nov 5, 2020 •

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liu4480 Dec 11, 2020 •

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liu4480 commented Dec 11, 2020 •

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