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e2e.yml
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name: e2e
on:
push:
branches:
- 'master'
- 'main'
tags:
- 'v*'
pull_request:
branches:
- 'master'
- 'main'
workflow_dispatch:
env:
GO_VERSION: "1.22.3"
K8S_VERSION: "v1.30.0"
KIND_VERSION: "v0.22.0"
KIND_CLUSTER_NAME: "kindnet"
REGISTRY: ghcr.io
IMAGE_NAME: aojea/kindnetd
jobs:
build:
name: build
runs-on: ubuntu-latest
steps:
- name: Set up Go
uses: actions/setup-go@v2
with:
go-version: ${{ env.GO_VERSION }}
id: go
- name: Check out code
uses: actions/checkout@v2
- name: Build
run: |
docker build -t ghcr.io/aojea/kindnetd:test -f Dockerfile .
mkdir _output
docker save ghcr.io/aojea/kindnetd:test > _output/kindnetd-image.tar
- uses: actions/upload-artifact@v2
with:
name: test-image
path: _output/kindnetd-image.tar
e2e:
name: e2e
runs-on: ubuntu-latest
timeout-minutes: 100
needs:
- build
strategy:
fail-fast: false
matrix:
ipFamily: ["ipv4", "ipv6", "dual"]
cniMode: ["ptp", "bridge"]
env:
JOB_NAME: "kindnetd-e2e-${{ matrix.ipFamily }}-${{ matrix.cniMode }}"
IP_FAMILY: ${{ matrix.ipFamily }}
steps:
- name: Check out code
uses: actions/checkout@v2
- name: Enable ipv4 and ipv6 forwarding
run: |
sudo sysctl -w net.ipv6.conf.all.forwarding=1
sudo sysctl -w net.ipv4.ip_forward=1
- name: Set up environment (download dependencies)
run: |
TMP_DIR=$(mktemp -d)
# Test binaries
curl -L https://dl.k8s.io/${{ env.K8S_VERSION }}/kubernetes-test-linux-amd64.tar.gz -o ${TMP_DIR}/kubernetes-test-linux-amd64.tar.gz
tar xvzf ${TMP_DIR}/kubernetes-test-linux-amd64.tar.gz \
--directory ${TMP_DIR} \
--strip-components=3 kubernetes/test/bin/ginkgo kubernetes/test/bin/e2e.test
# kubectl
curl -L https://dl.k8s.io/${{ env.K8S_VERSION }}/bin/linux/amd64/kubectl -o ${TMP_DIR}/kubectl
# kind
curl -Lo ${TMP_DIR}/kind https://kind.sigs.k8s.io/dl/${{ env.KIND_VERSION }}/kind-linux-amd64
# Install
sudo cp ${TMP_DIR}/ginkgo /usr/local/bin/ginkgo
sudo cp ${TMP_DIR}/e2e.test /usr/local/bin/e2e.test
sudo cp ${TMP_DIR}/kubectl /usr/local/bin/kubectl
sudo cp ${TMP_DIR}/kind /usr/local/bin/kind
sudo chmod +x /usr/local/bin/*
# Create folder to store artifacts
mkdir -p _artifacts
- name: Create multi node cluster
run: |
# create cluster
cat <<EOF | /usr/local/bin/kind create cluster \
--name ${{ env.KIND_CLUSTER_NAME}} \
--image kindest/node:${{ env.K8S_VERSION }} \
-v7 --wait 1m --retain --config=-
kind: Cluster
apiVersion: kind.x-k8s.io/v1alpha4
networking:
ipFamily: ${IP_FAMILY}
disableDefaultCNI: true
nodes:
- role: control-plane
- role: worker
- role: worker
EOF
# dump the kubeconfig for later
/usr/local/bin/kind get kubeconfig --name ${{ env.KIND_CLUSTER_NAME}} > _artifacts/kubeconfig.conf
- uses: actions/download-artifact@v2
with:
name: test-image
- name: Install kindnetd
run: |
# preload kindnetd image
docker load --input kindnetd-image.tar
/usr/local/bin/kind load docker-image ghcr.io/aojea/kindnetd:test --name ${{ env.KIND_CLUSTER_NAME}}
- name: install ptp plugin
if: ${{ matrix.cniMode == 'ptp' }}
run: |
sed -i s#aojea/kindnetd.*#aojea/kindnetd:test# install-kindnet.yaml
/usr/local/bin/kubectl apply -f ./install-kindnet.yaml
- name: install bridge plugin
if: ${{ matrix.cniMode == 'bridge' }}
run: |
sed -i s#aojea/kindnetd.*#aojea/kindnetd:test# install-kindnet-bridge.yaml
/usr/local/bin/kubectl apply -f ./install-kindnet-bridge.yaml
- name: Get Cluster status
run: |
# wait network is ready
sleep 5
/usr/local/bin/kubectl get nodes -o wide
/usr/local/bin/kubectl get pods -A
/usr/local/bin/kubectl wait --timeout=1m --for=condition=ready pods --namespace=kube-system -l k8s-app=kube-dns
- name: Workaround CoreDNS for IPv6 airgapped
if: ${{ matrix.ipFamily == 'ipv6' }}
run: |
# Patch CoreDNS to work in Github CI
# 1. Github CI doesn´t offer IPv6 connectivity, so CoreDNS should be configured
# to work in an offline environment:
# https://github.com/coredns/coredns/issues/2494#issuecomment-457215452
# 2. Github CI adds following domains to resolv.conf search field:
# .net.
# CoreDNS should handle those domains and answer with NXDOMAIN instead of SERVFAIL
# otherwise pods stops trying to resolve the domain.
# Get the current config
original_coredns=$(/usr/local/bin/kubectl get -oyaml -n=kube-system configmap/coredns)
echo "Original CoreDNS config:"
echo "${original_coredns}"
# Patch it
fixed_coredns=$(
printf '%s' "${original_coredns}" | sed \
-e 's/^.*kubernetes cluster\.local/& net/' \
-e '/^.*upstream$/d' \
-e '/^.*fallthrough.*$/d' \
-e '/^.*forward . \/etc\/resolv.conf$/d' \
-e '/^.*loop$/d' \
)
echo "Patched CoreDNS config:"
echo "${fixed_coredns}"
printf '%s' "${fixed_coredns}" | /usr/local/bin/kubectl apply -f -
- name: Run tests
run: |
export KUBERNETES_CONFORMANCE_TEST='y'
export E2E_REPORT_DIR=${PWD}/_artifacts
# Run tests
/usr/local/bin/ginkgo --nodes=25 \
--focus="\[Conformance\]|\[sig-network\]" \
--skip="Feature|Federation|machinery|PerformanceDNS|DualStack|Disruptive|Serial|Slow|KubeProxy|LoadBalancer|GCE|Netpol|NetworkPolicy|NodeConformance" \
/usr/local/bin/e2e.test \
-- \
--kubeconfig=${PWD}/_artifacts/kubeconfig.conf \
--provider=local \
--dump-logs-on-failure=false \
--report-dir=${E2E_REPORT_DIR} \
--disable-log-dump=true
- name: Upload Junit Reports
if: always()
uses: actions/upload-artifact@v2
with:
name: kind-junit-${{ env.JOB_NAME }}-${{ github.run_id }}
path: './_artifacts/*.xml'
- name: Export logs
if: always()
run: |
/usr/local/bin/kind export logs --name ${KIND_CLUSTER_NAME} --loglevel=debug ./_artifacts/logs
- name: Upload logs
if: always()
uses: actions/upload-artifact@v2
with:
name: kind-logs-${{ env.JOB_NAME }}-${{ github.run_id }}
path: ./_artifacts/logs