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Add ChaosCenter developer guide docs locally (#282)
* Added docs for Chaoscenter developer guide Signed-off-by: DongYoung Kim <[email protected]> * Updated current version docs for developer guide Signed-off-by: DongYoung Kim <[email protected]> * CI embedmd check Signed-off-by: kwx4957 <[email protected]> * Update docs as per reviewer suggestion Signed-off-by: DongYoung Kim <[email protected]> * Fix backend server name to GraphQL server Signed-off-by: DongYoung Kim <[email protected]> * Add developer guide docs for 3.9.2 Signed-off-by: DongYoung Kim <[email protected]> * Add developer guide docs for 3.10.0 Signed-off-by: DongYoung Kim <[email protected]> --------- Signed-off-by: DongYoung Kim <[email protected]> Signed-off-by: kwx4957 <[email protected]>
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website/docs/developer-guide/chaoscenter-developer-guide.md
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id: chaoscenter-developer-guide | ||
title: ChaosCenter Developer Guide | ||
sidebar_label: ChaosCenter Developer Guide | ||
--- | ||
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--- | ||
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## **Prerequisites** | ||
:::note | ||
This document is intended to be implemented locally. Please do not use in dev or prod environments. | ||
::: | ||
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- Kubernetes 1.17 or later | ||
- Helm3 or Kubectl | ||
- Node and npm | ||
- Docker | ||
- Golang | ||
- Local Kubernetes Cluster (via minikube, k3s or kind) | ||
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## **Control Plane** | ||
Backend components consist of three microservices | ||
1. GraphQL server | ||
2. Authentication server | ||
3. MongoDB | ||
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Frontend component | ||
1. React | ||
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## **Steps to run the Control Plane** | ||
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### 1. Run MongoDB | ||
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Step-1: Pull and run the image | ||
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```bash | ||
docker pull mongo:5 | ||
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docker network create mongo-cluster | ||
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docker run -d --net mongo-cluster -p 27015:27015 --name m1 mongo:4.2 mongod --replSet rs0 --port 27015 | ||
docker run -d --net mongo-cluster -p 27016:27016 --name m2 mongo:4.2 mongod --replSet rs0 --port 27016 | ||
docker run -d --net mongo-cluster -p 27017:27017 --name m3 mongo:4.2 mongod --replSet rs0 --port 27017 | ||
``` | ||
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Step-2: Add hosts | ||
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import Tabs from '@theme/Tabs'; | ||
import TabItem from '@theme/TabItem'; | ||
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<Tabs groupId="operating-systems"> | ||
<TabItem value="win" label="Windows"> | ||
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```bash | ||
# add hosts in hosts | ||
notepad C:\Windows\System32\drivers\etc\hosts | ||
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# add the below line | ||
127.0.0.1 m1 m2 m3 | ||
``` | ||
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</TabItem> | ||
<TabItem value="linux" label="macOS/Linux"> | ||
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```bash | ||
# add hosts in hosts | ||
sudo vim /etc/hosts | ||
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# add the below line | ||
127.0.0.1 m1 m2 m3 | ||
``` | ||
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</TabItem> | ||
</Tabs> | ||
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Step-3: Configure the mongoDB replica set | ||
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```bash | ||
docker exec -it m1 mongo -port 27015 | ||
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config={"_id":"rs0","members":[{"_id":0,"host":"m1:27015"},{"_id":1,"host":"m2:27016"},{"_id":2,"host":"m3:27017"}]} | ||
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rs.initiate(config) | ||
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db.getSiblingDB("admin").createUser({user:"admin",pwd:"1234",roles:[{role:"root",db:"admin"}]}); | ||
``` | ||
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### 2. Run the Authentication Server | ||
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:::note | ||
Make sure to run backend services before the frontend. If you haven’t already cloned the litmus project do so from the `litmuschaos/litmus` repository | ||
::: | ||
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```bash | ||
git clone https://github.com/litmuschaos/litmus.git litmus --depth 1 | ||
``` | ||
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Step-1: Export the following environment variables | ||
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```bash | ||
export ADMIN_USERNAME=admin | ||
export ADMIN_PASSWORD=litmus | ||
export DB_SERVER="mongodb://m1:27015,m2:27016,m3:27017/?replicaSet=rs0" | ||
export DB_USER=admin | ||
export DB_PASSWORD=1234 | ||
export JWT_SECRET=litmus-portal@123 | ||
export PORTAL_ENDPOINT=http://localhost:8080 | ||
export LITMUS_SVC_ENDPOINT="" | ||
export SELF_AGENT=false | ||
export INFRA_SCOPE=cluster | ||
export INFRA_NAMESPACE=litmus | ||
export LITMUS_PORTAL_NAMESPACE=litmus | ||
export PORTAL_SCOPE=namespace | ||
export SUBSCRIBER_IMAGE=litmuschaos/litmusportal-subscriber:ci | ||
export EVENT_TRACKER_IMAGE=litmuschaos/litmusportal-event-tracker:ci | ||
export CONTAINER_RUNTIME_EXECUTOR=k8sapi | ||
export ARGO_WORKFLOW_CONTROLLER_IMAGE=argoproj/workflow-controller:v2.11.0 | ||
export ARGO_WORKFLOW_EXECUTOR_IMAGE=argoproj/argoexec:v2.11.0 | ||
export CHAOS_CENTER_SCOPE=cluster | ||
export WORKFLOW_HELPER_IMAGE_VERSION=3.0.0 | ||
export LITMUS_CHAOS_OPERATOR_IMAGE=litmuschaos/chaos-operator:3.0.0 | ||
export LITMUS_CHAOS_RUNNER_IMAGE=litmuschaos/chaos-runner:3.0.0 | ||
export LITMUS_CHAOS_EXPORTER_IMAGE=litmuschaos/chaos-exporter:3.0.0 | ||
export VERSION=ci | ||
export HUB_BRANCH_NAME=v2.0.x | ||
export INFRA_DEPLOYMENTS="[\"app=chaos-exporter\", \"name=chaos-operator\", \"app=event-tracker\",\"app=workflow-controller\"]" | ||
export INFRA_COMPATIBLE_VERSIONS='["0.2.0", "0.1.0","ci"]' | ||
export DEFAULT_HUB_BRANCH_NAME=master | ||
export ENABLE_INTERNAL_TLS=false | ||
export REST_PORT=3000 | ||
export GRPC_PORT=3030 | ||
``` | ||
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<Tabs groupId="operating-systems"> | ||
<TabItem value="win" label="Windows"> | ||
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Docker or Hyper-V is reserving that port range. You can use 3030 ports by running the command below | ||
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```bash | ||
netsh interface ipv4 show excludedportrange protocol=tcp | ||
net stop winnat | ||
netsh int ipv4 add excludedportrange protocol=tcp startport=3030 numberofports=1 | ||
net start winnat | ||
``` | ||
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</TabItem> | ||
</Tabs> | ||
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Step-2: Run the go application | ||
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```bash | ||
cd chaoscenter/authentication/api | ||
go run main.go | ||
``` | ||
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### 3. Run the GraphQL Server | ||
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Step-1: Export the following environment variables | ||
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```bash | ||
export DB_SERVER="mongodb://m1:27015,m2:27016,m3:27017/?replicaSet=rs0" | ||
export DB_USER=admin | ||
export DB_PASSWORD=1234 | ||
export JWT_SECRET=litmus-portal@123 | ||
export PORTAL_ENDPOINT=http://localhost:8080 | ||
export LITMUS_SVC_ENDPOINT="" | ||
export SELF_AGENT=false | ||
export INFRA_SCOPE=cluster | ||
export INFRA_NAMESPACE=litmus | ||
export LITMUS_PORTAL_NAMESPACE=litmus | ||
export PORTAL_SCOPE=namespace | ||
export SUBSCRIBER_IMAGE=litmuschaos/litmusportal-subscriber:ci | ||
export EVENT_TRACKER_IMAGE=litmuschaos/litmusportal-event-tracker:ci | ||
export CONTAINER_RUNTIME_EXECUTOR=k8sapi | ||
export ARGO_WORKFLOW_CONTROLLER_IMAGE=argoproj/workflow-controller:v2.11.0 | ||
export ARGO_WORKFLOW_EXECUTOR_IMAGE=argoproj/argoexec:v2.11.0 | ||
export CHAOS_CENTER_SCOPE=cluster | ||
export WORKFLOW_HELPER_IMAGE_VERSION=3.0.0 | ||
export LITMUS_CHAOS_OPERATOR_IMAGE=litmuschaos/chaos-operator:3.0.0 | ||
export LITMUS_CHAOS_RUNNER_IMAGE=litmuschaos/chaos-runner:3.0.0 | ||
export LITMUS_CHAOS_EXPORTER_IMAGE=litmuschaos/chaos-exporter:3.0.0 | ||
export ADMIN_USERNAME=admin | ||
export ADMIN_PASSWORD=litmus | ||
export VERSION=ci | ||
export HUB_BRANCH_NAME=v2.0.x | ||
export INFRA_DEPLOYMENTS="[\"app=chaos-exporter\", \"name=chaos-operator\", \"app=event-tracker\",\"app=workflow-controller\"]" | ||
export INFRA_COMPATIBLE_VERSIONS='["0.2.0", "0.1.0","ci"]' | ||
export DEFAULT_HUB_BRANCH_NAME=master | ||
``` | ||
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Step-2: Run the go application | ||
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```bash | ||
cd chaoscenter/graphql/server | ||
go run server.go | ||
``` | ||
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### 4. Run Frontend | ||
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:::note | ||
Make sure to run backend services before the frontend. | ||
::: | ||
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Step-1: Install all the dependencies | ||
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```bash | ||
cd litmus/chaoscenter/web | ||
yarn | ||
``` | ||
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Step-2: Generate the ssl certificate | ||
<Tabs groupId="operating-systems"> | ||
<TabItem value="win" label="Windows"> | ||
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The command you run is in the script/generate-certificate.sh file, but it doesn't work in a Windows environment, so please run the script below instead | ||
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```bash | ||
mkdir -p certificates | ||
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openssl req -x509 -newkey rsa:4096 -keyout certificates/localhost-key.pem -out certificates/localhost.pem -days 365 -nodes -subj '//C=US' | ||
``` | ||
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</TabItem> | ||
<TabItem value="linux" label="macOS/Linux"> | ||
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```bash | ||
yarn generate-certificate | ||
``` | ||
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</TabItem> | ||
</Tabs> | ||
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Step-3: Run the frontend project | ||
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```bash | ||
yarn dev | ||
``` | ||
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> It’ll prompt you to start the development server at port `8185` or any other port than 3000 since it is already being used by the auth server. | ||
Once you are able to see the Login Screen of Litmus use the following default credentials | ||
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``` | ||
Username: admin | ||
Password: litmus | ||
``` | ||
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<img src={require('../assets/login.png').default} width="800" /> | ||
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## **Steps to connect Chaos Infrastructure** | ||
### Using Litmusctl | ||
Use [litmusctl](https://github.com/litmuschaos/litmusctl) on the same box/local cluster and connect an ns infrastructure | ||
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### Using Chaoscenter | ||
Use Chaoscenter to connect an Infrastructure, download the manifest and apply it on k3d/minikube. Once the pods are up(except the subscriber), run the following command: | ||
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```bash | ||
cd subscriber | ||
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INFRA_ID=<INFRA_ID> ACCESS_KEY=<ACCESS_KEY> INFRA_SCOPE=cluster SERVER_ADDR=http://localhost:8080/query INFRA_NAMESPACE=litmus IS_INFRA_CONFIRMED="false" COMPONENTS="DEPLOYMENTS: ["app=chaos-exporter", "name=chaos-operator", "app=workflow-controller"]" START_TIME=1631089756 VERSION="ci" AGENT_POD="subscriber-78f6bd4db5-ck5d9" SKIP_ | ||
SSL_VERIFY="false" go run subscriber.go -kubeconfig ~/.kube/config | ||
``` |
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