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--- | ||
apiVersion: apps/v1 | ||
kind: DaemonSet | ||
metadata: | ||
name: host-network | ||
namespace: {{ .HelmDeployNamespace }} | ||
labels: | ||
app: host-network | ||
spec: | ||
spec: | ||
selector: | ||
matchLabels: | ||
app: host-network | ||
template: | ||
metadata: | ||
labels: | ||
app: host-network | ||
spec: | ||
hostNetwork: true | ||
containers: | ||
- name: host-network-test-connectivity | ||
image: "ubuntu" | ||
command: | ||
- /bin/bash | ||
- -c | ||
- | | ||
apt-get update && apt-get install -y curl iputils-ping; /script/network-test.sh | ||
volumeMounts: | ||
- name: networking-test | ||
mountPath: /script | ||
volumes: | ||
- name: networking-test | ||
configMap: | ||
defaultMode: 511 | ||
name: network-test | ||
--- | ||
apiVersion: apps/v1 | ||
kind: DaemonSet | ||
metadata: | ||
name: pod-network | ||
namespace: {{ .HelmDeployNamespace }} | ||
labels: | ||
app: pod-network | ||
spec: | ||
selector: | ||
matchLabels: | ||
app: pod-network | ||
template: | ||
metadata: | ||
labels: | ||
app: pod-network | ||
spec: | ||
containers: | ||
- name: pod-network-test-connectivity | ||
image: "ubuntu" | ||
command: | ||
- /bin/bash | ||
- -c | ||
- | | ||
apt-get update && apt-get install -y curl iputils-ping; /script/network-test.sh | ||
volumeMounts: | ||
- name: networking-test | ||
mountPath: /script | ||
volumes: | ||
- name: networking-test | ||
configMap: | ||
defaultMode: 511 | ||
name: network-test | ||
--- | ||
kind: Service | ||
apiVersion: v1 | ||
metadata: | ||
name: host-network | ||
namespace: {{ .HelmDeployNamespace }} | ||
spec: | ||
selector: | ||
app: host-network | ||
ports: | ||
- name: test-port | ||
port: 80 | ||
--- | ||
kind: Service | ||
apiVersion: v1 | ||
metadata: | ||
name: pod-network | ||
namespace: {{ .HelmDeployNamespace }} | ||
spec: | ||
selector: | ||
app: pod-network | ||
ports: | ||
- name: test-port | ||
port: 80 | ||
--- | ||
apiVersion: rbac.authorization.k8s.io/v1 | ||
kind: ClusterRoleBinding | ||
metadata: | ||
name: network-test-rbac | ||
subjects: | ||
- kind: ServiceAccount | ||
name: default | ||
namespace: default | ||
roleRef: | ||
kind: ClusterRole | ||
name: cluster-admin | ||
apiGroup: rbac.authorization.k8s.io | ||
--- | ||
apiVersion: v1 | ||
kind: ConfigMap | ||
metadata: | ||
name: network-test | ||
namespace: {{ .HelmDeployNamespace }} | ||
data: | ||
network-test.sh: | | ||
curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" | ||
chmod +x ./kubectl | ||
mv ./kubectl /usr/local/bin/kubectl | ||
|
||
function ping_ips() { | ||
local service_name=$1 | ||
echo "Testing $service_name" | ||
ips=$(kubectl get endpoints "$service_name" -o jsonpath='{.subsets[*].addresses[*].ip}') | ||
for ip in $ips; do | ||
ip=$(echo "$ip" | tr -d '"') | ||
ping -c 1 "$ip" > /dev/null | ||
if [ $? -ne 0 ] | ||
then | ||
echo "ERROR: ping $ip failed" | ||
exit 1 | ||
fi | ||
echo "$(date): $ip - succeeded" | ||
done | ||
} | ||
|
||
while true | ||
do | ||
sleep 15 | ||
ping_ips "host-network" | ||
ping_ips "pod-network" | ||
done |
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// SPDX-FileCopyrightText: 2023 SAP SE or an SAP affiliate company and Gardener contributors | ||
// | ||
// SPDX-License-Identifier: Apache-2.0 | ||
|
||
package templates | ||
|
||
const ( | ||
|
||
// NetworkTestName is the name of a network ping test for calico | ||
NetworkTestName = "network-test.yaml.tpl" | ||
NetworkTestNamespace = "default" | ||
) |