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Merge pull request #290 from linode/cilium-bgp-lb-e2e
[test] Add Cilium BGP LB e2e test
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,139 @@ | ||
| # yaml-language-server: $schema=https://raw.githubusercontent.com/kyverno/chainsaw/main/.schemas/json/test-chainsaw-v1alpha1.json | ||
| apiVersion: chainsaw.kyverno.io/v1alpha1 | ||
| kind: Test | ||
| metadata: | ||
| name: cilium-bgp-test | ||
| spec: | ||
| namespace: "cilium-bgp-test" | ||
| steps: | ||
| - name: Check if CCM is deployed | ||
| try: | ||
| - assert: | ||
| file: ../../test/assert-ccm-resources.yaml | ||
| - name: Create a pod and service with load balancer type cilium-bgp | ||
| try: | ||
| - apply: | ||
| file: create-pod-service.yaml | ||
| catch: | ||
| - describe: | ||
| apiVersion: v1 | ||
| kind: Pod | ||
| - describe: | ||
| apiVersion: v1 | ||
| kind: Service | ||
| - name: Verify CiliumLoadBalancerIPPool creation | ||
| try: | ||
| - assert: | ||
| resource: | ||
| apiVersion: cilium.io/v2alpha1 | ||
| kind: CiliumLoadBalancerIPPool | ||
| metadata: | ||
| name: cilium-bgp-test-test-bgp-svc-pool | ||
| spec: | ||
| disabled: false | ||
| - name: Verify CiliumBGPPeeringPolicy | ||
| try: | ||
| - assert: | ||
| resource: | ||
| apiVersion: cilium.io/v2alpha1 | ||
| kind: CiliumBGPPeeringPolicy | ||
| metadata: | ||
| name: linode-ccm-bgp-peering | ||
| spec: | ||
| nodeSelector: | ||
| matchLabels: | ||
| cilium-bgp-peering: "true" | ||
| - name: Check LoadBalancer IP assignment | ||
| try: | ||
| - assert: | ||
| resource: | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: test-bgp-svc | ||
| status: | ||
| conditions: | ||
| - status: "True" | ||
| type: cilium.io/IPAMRequestSatisfied | ||
| - name: Verify IP sharing on labeled nodes | ||
| try: | ||
| - script: | ||
| content: | | ||
| set -e | ||
| delete_nanode() { | ||
| local NANODE_RESPONSE=$(curl -s -H "Authorization: Bearer $LINODE_TOKEN" \ | ||
| "https://api.linode.com/v4/linode/instances") | ||
| local NANODE_ID=$(echo "$NANODE_RESPONSE" | \ | ||
| jq -r --arg cluster "$CLUSTER_NAME" '.data[] | select(.label | endswith($cluster)) | .id') | ||
| if [ -n "$NANODE_ID" ]; then | ||
| curl -s -X DELETE -H "Authorization: Bearer $LINODE_TOKEN" \ | ||
| "https://api.linode.com/v4/linode/instances/$NANODE_ID" || true | ||
| fi | ||
| } | ||
| # Get the LoadBalancer IP | ||
| LB_IP=$(kubectl get svc test-bgp-svc -n cilium-bgp-test -o jsonpath='{.status.loadBalancer.ingress[0].ip}') | ||
| # Get nodes with BGP label | ||
| BGP_NODES=$(kubectl get nodes -l cilium-bgp-peering=true -o name) | ||
| if [ -z "$BGP_NODES" ]; then | ||
| echo "No nodes found with label cilium-bgp-peering=true" | ||
| delete_nanode | ||
| exit 1 | ||
| fi | ||
| # Check if IP is shared on each BGP node | ||
| for node in $BGP_NODES; do | ||
| NODE_ID=$(kubectl get $node -o jsonpath='{.spec.providerID}' | sed 's|linode://||') | ||
| echo "Node ID: $NODE_ID" | ||
| NODE_IP_RESPONSE=$(curl -s -H "Authorization: Bearer $LINODE_TOKEN" \ | ||
| "https://api.linode.com/v4/linode/instances/$NODE_ID/ips") | ||
| SHARED_IPS=$(echo "$NODE_IP_RESPONSE" | jq -r '.ipv4.shared[]?.address // empty') | ||
| echo "shared IPs: $SHARED_IPS" | ||
| if [ -n "$SHARED_IPS" ] && ! echo "$SHARED_IPS" | grep -q "$LB_IP"; then | ||
| echo "LoadBalancer IP $LB_IP not found in shared IPs of node $node" | ||
| delete_nanode | ||
| exit 1 | ||
| fi | ||
| done | ||
| # Check if the nanode has the shared IP | ||
| NANODE_RESPONSE=$(curl -s -H "Authorization: Bearer $LINODE_TOKEN" \ | ||
| "https://api.linode.com/v4/linode/instances") | ||
| NANODE_ID=$(echo "$NANODE_RESPONSE" | \ | ||
| jq -r --arg cluster "$CLUSTER_NAME" '.data[] | select(.label | endswith($cluster)) | .id') | ||
| if [ -z "$NANODE_ID" ]; then | ||
| echo "No nanode found for cluster $CLUSTER_NAME" | ||
| exit 0 | ||
| fi | ||
| NANODE_IP_RESPONSE=$(curl -s -H "Authorization: Bearer $LINODE_TOKEN" \ | ||
| "https://api.linode.com/v4/linode/instances/$NANODE_ID/ips") | ||
| NANODE_IPS=$(echo "$NANODE_IP_RESPONSE" | jq -r '.ipv4.public[]?.address // empty') | ||
| if [ -n "$NANODE_IPS" ] && ! echo "$NANODE_IPS" | grep -q "$LB_IP"; then | ||
| echo "LoadBalancer IP not found in nanode IPs" | ||
| delete_nanode | ||
| exit 1 | ||
| fi | ||
| echo "Successfully found LoadBalancer IP in nanode IPs" | ||
| # Delete the nanode on success | ||
| delete_nanode | ||
| check: | ||
| ($error == null): true | ||
| (contains($stdout, 'LoadBalancer IP not found in shared IPs of node')): false | ||
| (contains($stdout, 'LoadBalancer IP not found in nanode IPs')): false | ||
| (contains($stdout, 'Successfully found LoadBalancer IP in nanode IPs')): true | ||
|
|
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,24 @@ | ||
| apiVersion: v1 | ||
| kind: Pod | ||
| metadata: | ||
| name: test-pod-1 | ||
| labels: | ||
| app: test-bgp | ||
| spec: | ||
| containers: | ||
| - name: nginx | ||
| image: nginx:latest | ||
| ports: | ||
| - containerPort: 80 | ||
| --- | ||
| apiVersion: v1 | ||
| kind: Service | ||
| metadata: | ||
| name: test-bgp-svc | ||
| spec: | ||
| type: LoadBalancer | ||
| ports: | ||
| - port: 80 | ||
| targetPort: 80 | ||
| selector: | ||
| app: test-bgp |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,32 @@ | ||
| #!/bin/bash | ||
| set -euo pipefail | ||
|
|
||
| # Add bgp peering label to non control plane nodes. Needed to update the shared IP on the nodes | ||
| kubectl get nodes --no-headers | grep -v control-plane |\ | ||
| awk '{print $1}' | xargs -I {} kubectl label nodes {} cilium-bgp-peering=true --overwrite | ||
|
|
||
| # Add RBAC permissions | ||
| kubectl patch clusterrole ccm-linode-clusterrole --type='json' -p='[{ | ||
| "op": "add", | ||
| "path": "/rules/-", | ||
| "value": { | ||
| "apiGroups": ["cilium.io"], | ||
| "resources": ["ciliumloadbalancerippools", "ciliumbgppeeringpolicies"], | ||
| "verbs": ["get", "list", "watch", "create", "update", "patch", "delete"] | ||
| } | ||
| }]' | ||
|
|
||
| # Patch DaemonSet | ||
| kubectl patch daemonset ccm-linode -n kube-system --type='json' -p='[{ | ||
| "op": "add", | ||
| "path": "/spec/template/spec/containers/0/args/-", | ||
| "value": "--bgp-node-selector=cilium-bgp-peering=true" | ||
| }, { | ||
| "op": "add", | ||
| "path": "/spec/template/spec/containers/0/args/-", | ||
| "value": "--load-balancer-type=cilium-bgp" | ||
| }, { | ||
| "op": "add", | ||
| "path": "/spec/template/spec/containers/0/args/-", | ||
| "value": "--ip-holder-suffix='"${CLUSTER_SUFFIX}"'" | ||
| }]' |