eBPF-based Networking, Security, and Observability
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Cilium is an organization on GitHub that focuses on eBPF-based networking, security, and observability. It has a wide range of public repositories, including notable projects such as cilium, ebpf, and hubble. The primary programming languages used in these repositories include Go, C, and Makefile.
Top languages
Public repositories
cilium
eBPF-based Networking, Security, and Observability
ebpf
ebpf-go is a pure-Go library to read, modify and load eBPF programs and attach them to various hooks in the Linux kernel.
tetragon
eBPF-based Security Observability and Runtime Enforcement
hubble
Hubble - Network, Service & Security Observability for Kubernetes using eBPF
pwru
Packet, where are you? -- eBPF-based Linux kernel networking debugger
cilium-cli
CLI to install, manage & troubleshoot Kubernetes clusters running Cilium
hubble-ui
Observability & Troubleshooting for Kubernetes Services
proxy
Envoy with Cilium filters
little-vm-helper
tool for building and running VMs for development and testing
k8s-iptables-diagram
Diagram of Kubernetes / kube-proxy iptables rules architecture
cilium-service-mesh-beta
Instructions and issue tracking for Service Mesh capabilities of Cilium
statedb
In-memory state database for Go
charts
Helm charts repository for the Cilium project
hubble-otel
Hubble adaptor for OpenTelemetry
cilium.io
Cilium project website
cilium-perf-networking
Utilities for Cilium networking performance evaluation
team-manager
Bot to manage team members in GitHub organizations
bpf-map
Generic tool to inspect BPF maps
design-cfps
Repo to store Cilium CFP design docs
stackwhere
A tool for exploring where BPF stack usage comes from
coverbee
Code coverage tooling for eBPF
workerpool
Run tasks concurrently with limits
star-wars-demo
Cilium Star Wars Demo
chaos-testing-examples
Examples of using Cilium for chaos testing and fault injection
certgen
A convenience tool to generate and store certificates for Hubble Relay mTLS
little-vm-helper-images
No description provided for this repository.
image-tools
Dockerfiles for cilium-runtime and cilium-builder dependencies
hive
Hive dependency injection
fake
A Go library to generate random data for testing and/or performance evaluation
community
Here you can find community content around Cilium
k8s-1abel
Kubernetes YAML/JSON survival kit
ci-kernels
A collection of kernels used for CI builds
json-mock
Simple container image for json-server to mock REST/JSON APIs
cilium-sysdump
Tool to collect system information to troubleshoot Cilium & Hubble related issues
scaffolding
Set of tools and resources for automating performance tests.
installfest
Documentation and resources for Cilium Installfest
echoserver
k8s.gcr.io/echoserver fork
ariane
GitHub App for triggering Cilium CI workflows
packer-ci-build
Contains the scripts and data for building the Cilium CI testing VM.
cilium-l4lb-test
Repo for containing scripts to test Cilium's L4LB
cilium-olm
No description provided for this repository.
stream
Reactive streams for Go
client-example
Cilium API example
linux
Just local BPF wip branches for upstream
ipam
No description provided for this repository.
github-actions
Repository dedicated for the GitHub actions logic executed in cilium/cilium. Also known as the maintainer's little helper (MLH).
alpine-curl
Container image for curl client
release
Repository used to generate release notes for Cilium releases
docsearch-scraper-webhook
No description provided for this repository.
chaos-monkeys
Base infrastructure plus collection of tests to assist in the Cilium chaos testing efforts
clustermesh-apiserver
API server for ClusterMesh
dns
DNS library in Go
gke
Guide & scripts for deploying Cilium on GKE
arping
No description provided for this repository.
ztunnel
Mutual TLS proxy for workload communication
echoserver-udp
Container image serving a dynamic TFTP page similar to cilium/echoserver
clustermesh-tools
Tooling to set up a cluster mesh
xdp-config
XDP config quirks / troubleshooting documents
misc-scripts
Misc netperf scripts
starwars-docker
Deathstar as a Service
deepequal-gen
A tool for auto-generating DeepCopy functions
kustomize-bases
A collection of kustomize bases used for demos
customvet
Custom Go Vet tool for the Cilium Repository
linters
No description provided for this repository.
scale-tests-action
Repository that hosts the GitHub action to run scale tests
sphinx_rtd_theme
Sphinx theme for readthedocs.org
dev-summits
Information about Cilium Developer Summits
test-connection-disruption
Testing connection interruptions during Cilium upgrades
.github
No description provided for this repository.
star-wars-demo-automated
No description provided for this repository.
helm-toolbox
Set of tools that are useful for linting helm charts and generating documentation
hubble-export-stdout
Export Hubble data to stdout
lumberjack
lumberjack is a log rolling package for Go
metallb
A network load-balancer implementation for Kubernetes using standard routing protocols
kafka
Go driver for Kafka
ingress-controller-conformance
Repository for a compliance specification of ingress-controllers.
endpointslice-controller
No description provided for this repository.
bpf-ci-scripts
Make testing BPF trees easier with Jenkins
stale-rules
A tool to detect and remove stale routing rules
state-writer
Restore endpoint state from API and write to disk
networkpolicy
No description provided for this repository.
busybox
No description provided for this repository.
actions
A collection of GitHub Actions used by Cilium projects
reusable-workflows
No description provided for this repository.
workflow-telemetry-action
Github action to collect metrics (job, step completion time) from your workflows to help you debug and optimize your CI/CD pipeline
action-secure-checkout
Checkout your code and make sure it doesn't change after checkout
kernel-bpf-ci
Local copy of BPF CI for testing & development
redhat-marketplace-operators
Production catalog for Red Hat Marketplace Operator Bundles
apimachinery
Temporary fork of k8s apimachinery for code generation in stable Cilium releases
startup-script
Container image for startup-script
gobgp
BGP implemented in the Go Programming Language
qemu
Just local BPF wip branches for upstream
iproute2
Just local BPF wip branches for upstream
mock-hubble
A mock implementation of Hubble API
go-junit-report
Convert Go test output to JUnit XML
helm-docs
A tool for automatically generating markdown documentation for helm charts
checkmate
Poor testing for the Go language
endpointslice
No description provided for this repository.
perf-tests
Performance tests and benchmarks
go-deadlock
Online deadlock detection in go (golang)
Frequently asked questions
What does cilium build on GitHub?
Cilium builds a variety of projects on GitHub that focus on eBPF for networking, security, and observability. Key repositories include cilium, which is central to their mission, and ebpf, which provides a library for working with eBPF programs.
Which programming languages does cilium use?
Cilium primarily uses Go, C, Shell, Makefile, Dockerfile, and TypeScript for its development. This diverse set of languages reflects the organization's focus on systems programming and cloud-native environments.
Are cilium's repositories public?
Yes, all of Cilium's repositories on GitHub are public. This transparency allows developers and organizations to access their tools and contribute to projects focused on eBPF-based networking and security.
Is this exposure intended?
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