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Add Theia overview, getting-started, contributting, community, and license information to README.md. Revise the Theia introduction, and add more information about Theia features and usage in network-flow-visibility.md and the Getting Started section. Rename theia.md to theia-cli.md. Signed-off-by: Jianjun Shen <shenj@vmware.com>
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| # Theia | ||
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| Theia contains Network Flow Visibility functions which are exacted from the | ||
| [Antrea main repo](https://github.com/antrea-io/antrea). While flow exporter and | ||
| flow aggregator are kept in the Antrea repo, other flow visibility modules, such | ||
| as ClickHouse and Grafana related ones, will be moved to this new repo. | ||
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| During the code migration period, we will still keep related functions available | ||
| and stable in the Antrea repo, and the functions in this new repo won't be ready | ||
| until we announce the migration is completed. | ||
| Theia is a network observability and analytics platform for Kubernetes. It is | ||
| built on top of [Antrea](https://github.com/antrea-io/antrea), and consumes | ||
| [network flows exported by Antrea](https://github.com/antrea-io/antrea/blob/main/docs/network-flow-visibility.md) | ||
| to provide fine-grained visibility into the network communications in a | ||
| Kubernetes cluster. | ||
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| ## Getting Started | ||
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| Getting started with Theia is simple. You can follow the [Getting Started](docs/getting-started.md) | ||
| guide to install Theia and start rocking! | ||
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| Theia supports network flow visualization and monitoring with Grafana. Check the | ||
| [Grafana Flow Collector](docs/network-flow-visibility.md) document to learn | ||
| more. | ||
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| Based on the collected network flow information, Theia can recommend appropriate | ||
| NetworkPolicy configuration to secure Kubernetes network and applications. | ||
| Please refer to the [NetworkPolicy Recommendation](docs/networkpolicy-recommendation.md) | ||
| user guide to learn more. | ||
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| ## Contributing | ||
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| The Antrea community welcomes new contributors. We are waiting for your PRs! | ||
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| * Before contributing, please get familiar with our | ||
| [Code of Conduct](CODE_OF_CONDUCT.md). | ||
| * Check out the Antrea [Contributor Guide](CONTRIBUTING.md) for information | ||
| about setting up your development environment and our contribution workflow. | ||
| * Learn about Antrea's [Architecture and Design](https://github.com/antrea-io/antrea/blob/main/docs/design/architecture.md). | ||
| Your feedback is more than welcome! | ||
| * Check out [Open Issues](https://github.com/antrea-io/theia/issues). | ||
| * Join the Antrea [community](#community) and ask us any question you may have. | ||
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| ## Community | ||
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| Please refer to the [Antrea community](https://github.com/antrea-io/antrea/blob/main/README.md#community) | ||
| information. | ||
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| ## License | ||
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| Antrea is licensed under the [Apache License, version 2.0](LICENSE) | ||
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| [](https://app.fossa.com/projects/git%2Bgithub.com%2Fantrea-io%2Fantrea?ref=badge_large) |
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| # Getting Started with Theia | ||
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| ## Table of Contents | ||
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| <!-- toc --> | ||
| - [Overview](#overview) | ||
| - [Prerequisites](#prerequisites) | ||
| - [Theia Installation](#theia-installation) | ||
| - [Features](#features) | ||
| - [Network Flow Visualization and Monitoring](#network-flow-visualization-and-monitoring) | ||
| - [NetworkPolicy Recommendation](#networkpolicy-recommendation) | ||
| - [Additional Information](#additional-information) | ||
| <!-- /toc --> | ||
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| ## Overview | ||
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| Theia is a network observability and analytics platform for Kubernetes, bulit | ||
| on top of [Antrea](https://github.com/antrea-io/antrea). Theia consumes [network | ||
| flows exported by Antrea](https://github.com/antrea-io/antrea/blob/main/docs/network-flow-visibility.md) | ||
| to provide fine-grained visibility into the network communications in a | ||
| Kubernetes cluster. | ||
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| Theia supports network flow visualization and monitoring with Grafana, and can | ||
| recommend appropriate NetworkPolicy configuration to secure Kubernetes network | ||
| and applications. This guide describes how to install and get started with | ||
| Theia. | ||
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| ## Prerequisites | ||
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| To install Theia, ensure the Flow Exporter feature is enabled in Antrea deployment | ||
| manifest, in the following way: | ||
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| ```yaml | ||
| antrea-agent.conf: | | ||
| ... | ||
| featureGates: | ||
| ... | ||
| FlowExporter: true | ||
| ``` | ||
| ## Theia Installation | ||
| To enable both [Grafana Flow Collector](network-flow-visibility.md) and | ||
| [NetworkPolicy Recommendation](networkpolicy-recommendation.md), please install | ||
| Flow Aggregator and Theia by runnning the following commands: | ||
| ```bash | ||
| git clone https://github.com/antrea-io/theia.git | ||
| helm install flow-aggregator theia/build/charts/flow-aggregator --set clickHouse.enable=true,recordContents.podLabels=true -n flow-aggregator --create-namespace | ||
| helm install theia theia/build/charts/theia --set sparkOperator.enable=true -n flow-visibility --create-namespace | ||
| ``` | ||
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| To enable only Grafana Flow Collector, please install Flow Aggregator and Theia | ||
| by runnning the following commands: | ||
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| ```bash | ||
| git clone https://github.com/antrea-io/theia.git | ||
| helm install flow-aggregator theia/build/charts/flow-aggregator --set clickHouse.enable=true -n flow-aggregator --create-namespace | ||
| helm install theia theia/build/charts/theia -n flow-visibility --create-namespace | ||
| ``` | ||
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| ## Features | ||
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| ### Network Flow Visualization and Monitoring | ||
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| Theia uses Grafana to visualize network flows in the Kubernetes cluster. After | ||
| the installation, you can run the following commands to get the Grafana Service | ||
| address: | ||
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| ```bash | ||
| NODE_NAME=$(kubectl get pod -l app=grafana -n flow-visibility -o jsonpath='{.items[0].spec.nodeName}') | ||
| NODE_IP=$(kubectl get nodes ${NODE_NAME} -o jsonpath='{.status.addresses[0].address}') | ||
| GRAFANA_NODEPORT=$(kubectl get svc grafana -n flow-visibility -o jsonpath='{.spec.ports[*].nodePort}') | ||
| echo "=== Grafana Service is listening on ${NODE_IP}:${GRAFANA_NODEPORT} ===" | ||
| ``` | ||
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| You now access Grafana in your browser at: `http://[NodeIP]:[NodePort]`, and log | ||
| in with username: `admin` and password: `admin`. Navigate to the [Theia | ||
| dashboards](network-flow-visibility.md#grafana-dashboards) to view the network | ||
| flows in the cluster. | ||
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| ### NetworkPolicy Recommendation | ||
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| Please follow the instructions in the [NetworkPolicy Recommendation](networkpolicy-recommendation.md) | ||
| user guide. | ||
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| ## Additional Information | ||
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| Refer to Antrea documentation to learn more about | ||
| [Flow Exporter](https://github.com/antrea-io/antrea/blob/main/docs/network-flow-visibility.md#flow-exporter), | ||
| [Flow Aggregator](https://github.com/antrea-io/antrea/blob/main/docs/network-flow-visibility.md#flow-aggregator) | ||
| and their advanced configurations. | ||
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| For more information about Grafana Flow Collector installation and | ||
| customization, please refer to Grafana Flow Collector [Deployment Steps](network-flow-visibility.md#deployment-steps), | ||
| and [Configuration](network-flow-visibility.md#configuration). |
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