35682b5228
* Update the cilium svc proxy test to HA mode Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr> * Fix cilium strict kube-proxy in HA Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr> * Add a single global endpoint variable Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr> * Add cilium docs about kube-proxy replacement Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr> * Fix issues in docs Signed-off-by: Arthur Outhenin-Chalandre <arthur@cri.epita.fr>
265 lines
8 KiB
Django/Jinja
Executable file
265 lines
8 KiB
Django/Jinja
Executable file
apiVersion: apps/v1
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kind: DaemonSet
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metadata:
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labels:
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k8s-app: cilium
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name: cilium
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namespace: kube-system
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spec:
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selector:
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matchLabels:
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k8s-app: cilium
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template:
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metadata:
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annotations:
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{% if cilium_enable_prometheus %}
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prometheus.io/port: "9090"
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prometheus.io/scrape: "true"
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{% endif %}
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scheduler.alpha.kubernetes.io/tolerations: '[{"key":"dedicated","operator":"Equal","value":"master","effect":"NoSchedule"}]'
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labels:
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k8s-app: cilium
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spec:
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containers:
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- args:
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- --kvstore=etcd
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- --kvstore-opt=etcd.config=/var/lib/etcd-config/etcd.config
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- --config-dir=/tmp/cilium/config-map
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{% if cilium_mtu != "" %}
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- --mtu={{ cilium_mtu }}
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{% endif %}
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command:
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- cilium-agent
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env:
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- name: K8S_NODE_NAME
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: spec.nodeName
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- name: CILIUM_K8S_NAMESPACE
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valueFrom:
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fieldRef:
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apiVersion: v1
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fieldPath: metadata.namespace
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- name: CILIUM_CLUSTERMESH_CONFIG
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value: /var/lib/cilium/clustermesh/
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{% if cilium_kube_proxy_replacement == 'strict' %}
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- name: KUBERNETES_SERVICE_HOST
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value: "{{ kube_apiserver_global_endpoint | urlsplit('hostname') }}"
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- name: KUBERNETES_SERVICE_PORT
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value: "{{ kube_apiserver_global_endpoint | urlsplit('port') }}"
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{% endif %}
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image: "{{cilium_image_repo}}:{{cilium_image_tag}}"
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imagePullPolicy: {{ k8s_image_pull_policy }}
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resources:
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limits:
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cpu: {{ cilium_cpu_limit }}
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memory: {{ cilium_memory_limit }}
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requests:
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cpu: {{ cilium_cpu_requests }}
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memory: {{ cilium_memory_requests }}
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lifecycle:
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postStart:
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exec:
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command:
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- /cni-install.sh
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preStop:
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exec:
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command:
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- /cni-uninstall.sh
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livenessProbe:
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httpGet:
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host: '127.0.0.1'
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path: /healthz
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port: 9876
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scheme: HTTP
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httpHeaders:
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- name: "brief"
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value: "true"
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failureThreshold: 10
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# The initial delay for the liveness probe is intentionally large to
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# avoid an endless kill & restart cycle if in the event that the initial
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# bootstrapping takes longer than expected.
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initialDelaySeconds: 120
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periodSeconds: 30
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successThreshold: 1
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timeoutSeconds: 5
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name: cilium-agent
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{% if cilium_enable_prometheus %}
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ports:
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- containerPort: 9090
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hostPort: 9090
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name: prometheus
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protocol: TCP
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{% endif %}
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readinessProbe:
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httpGet:
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host: '127.0.0.1'
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path: /healthz
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port: 9876
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scheme: HTTP
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httpHeaders:
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- name: "brief"
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value: "true"
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failureThreshold: 3
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initialDelaySeconds: 5
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periodSeconds: 30
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successThreshold: 1
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timeoutSeconds: 5
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securityContext:
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capabilities:
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add:
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- NET_ADMIN
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- SYS_MODULE
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privileged: true
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volumeMounts:
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- mountPath: /sys/fs/bpf
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name: bpf-maps
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- mountPath: /var/run/cilium
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name: cilium-run
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- mountPath: /host/opt/cni/bin
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name: cni-path
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- mountPath: /host/etc/cni/net.d
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name: etc-cni-netd
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{% if container_manager == 'docker' %}
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- mountPath: /var/run/docker.sock
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name: docker-socket
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readOnly: true
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{% else %}
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- name: "{{ container_manager }}-socket"
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mountPath: {{ cri_socket }}
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readOnly: true
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{% endif %}
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- mountPath: /var/lib/etcd-config
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name: etcd-config-path
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readOnly: true
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- mountPath: "{{cilium_cert_dir}}"
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name: etcd-secrets
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readOnly: true
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- mountPath: /var/lib/cilium/clustermesh
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name: clustermesh-secrets
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readOnly: true
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- mountPath: /tmp/cilium/config-map
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name: cilium-config-path
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readOnly: true
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# Needed to be able to load kernel modules
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- mountPath: /lib/modules
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name: lib-modules
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readOnly: true
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- mountPath: /run/xtables.lock
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name: xtables-lock
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dnsPolicy: ClusterFirstWithHostNet
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hostNetwork: true
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hostPID: false
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initContainers:
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- command:
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- /init-container.sh
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env:
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- name: CILIUM_ALL_STATE
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valueFrom:
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configMapKeyRef:
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key: clean-cilium-state
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name: cilium-config
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optional: true
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- name: CLEAN_CILIUM_BPF_STATE
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valueFrom:
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configMapKeyRef:
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key: clean-cilium-bpf-state
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name: cilium-config
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optional: true
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- name: CILIUM_WAIT_BPF_MOUNT
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valueFrom:
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configMapKeyRef:
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key: wait-bpf-mount
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name: cilium-config
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optional: true
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image: "{{cilium_init_image_repo}}:{{cilium_init_image_tag}}"
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imagePullPolicy: {{ k8s_image_pull_policy }}
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name: clean-cilium-state
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securityContext:
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capabilities:
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add:
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- NET_ADMIN
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privileged: true
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volumeMounts:
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- mountPath: /sys/fs/bpf
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name: bpf-maps
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- mountPath: /var/run/cilium
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name: cilium-run
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priorityClassName: system-node-critical
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restartPolicy: Always
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serviceAccount: cilium
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serviceAccountName: cilium
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terminationGracePeriodSeconds: 1
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tolerations:
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- operator: Exists
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volumes:
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# To keep state between restarts / upgrades
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- hostPath:
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path: /var/run/cilium
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type: DirectoryOrCreate
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name: cilium-run
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# To keep state between restarts / upgrades for bpf maps
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- hostPath:
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path: /sys/fs/bpf
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type: DirectoryOrCreate
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name: bpf-maps
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{% if container_manager == 'docker' %}
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# To read docker events from the node
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- hostPath:
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path: /var/run/docker.sock
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type: Socket
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name: docker-socket
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{% else %}
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# To read crio events from the node
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- hostPath:
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path: {{ cri_socket }}
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type: Socket
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name: {{ container_manager }}-socket
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{% endif %}
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# To install cilium cni plugin in the host
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- hostPath:
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path: /opt/cni/bin
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type: DirectoryOrCreate
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name: cni-path
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# To install cilium cni configuration in the host
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- hostPath:
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path: /etc/cni/net.d
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type: DirectoryOrCreate
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name: etc-cni-netd
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# To be able to load kernel modules
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- hostPath:
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path: /lib/modules
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name: lib-modules
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# To access iptables concurrently with other processes (e.g. kube-proxy)
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- hostPath:
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path: /run/xtables.lock
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type: FileOrCreate
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name: xtables-lock
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# To read the etcd config stored in config maps
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- configMap:
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defaultMode: 420
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items:
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- key: etcd-config
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path: etcd.config
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name: cilium-config
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name: etcd-config-path
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# To read the k8s etcd secrets in case the user might want to use TLS
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- name: etcd-secrets
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hostPath:
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path: "{{cilium_cert_dir}}"
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# To read the clustermesh configuration
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- name: clustermesh-secrets
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secret:
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defaultMode: 420
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optional: true
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secretName: cilium-clustermesh
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# To read the configuration from the config map
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- configMap:
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name: cilium-config
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name: cilium-config-path
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updateStrategy:
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rollingUpdate:
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# Specifies the maximum number of Pods that can be unavailable during the update process.
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maxUnavailable: 2
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type: RollingUpdate
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