kubespray/roles/network_plugin/cilium/templates/cilium/ds.yml.j2

425 lines
14 KiB
Django/Jinja

---
apiVersion: apps/v1
kind: DaemonSet
metadata:
name: cilium
namespace: kube-system
labels:
k8s-app: cilium
spec:
selector:
matchLabels:
k8s-app: cilium
updateStrategy:
rollingUpdate:
# Specifies the maximum number of Pods that can be unavailable during the update process.
maxUnavailable: 2
type: RollingUpdate
template:
metadata:
annotations:
{% if cilium_enable_prometheus %}
prometheus.io/port: "{{ cilium_agent_scrape_port }}"
prometheus.io/scrape: "true"
{% endif %}
scheduler.alpha.kubernetes.io/tolerations: '[{"key":"dedicated","operator":"Equal","value":"master","effect":"NoSchedule"}]'
labels:
k8s-app: cilium
spec:
containers:
- name: cilium-agent
image: "{{cilium_image_repo}}:{{cilium_image_tag}}"
imagePullPolicy: {{ k8s_image_pull_policy }}
command:
- cilium-agent
args:
- --config-dir=/tmp/cilium/config-map
{% if cilium_mtu != "" %}
- --mtu={{ cilium_mtu }}
{% endif %}
{% if cilium_agent_custom_args is string %}
- {{ cilium_agent_custom_args }}
{% else %}
{% for flag in cilium_agent_custom_args %}
- {{ flag }}
{% endfor %}
{% endif %}
startupProbe:
httpGet:
host: '127.0.0.1'
path: /healthz
port: {{ cilium_agent_health_port }}
scheme: HTTP
httpHeaders:
- name: "brief"
value: "true"
failureThreshold: 105
periodSeconds: 2
successThreshold: 1
livenessProbe:
httpGet:
host: '127.0.0.1'
path: /healthz
port: {{ cilium_agent_health_port }}
scheme: HTTP
httpHeaders:
- name: "brief"
value: "true"
failureThreshold: 10
periodSeconds: 30
successThreshold: 1
timeoutSeconds: 5
readinessProbe:
httpGet:
host: 127.0.0.1
path: /healthz
port: {{ cilium_agent_health_port }}
scheme: HTTP
httpHeaders:
- name: "brief"
value: "true"
initialDelaySeconds: 5
periodSeconds: 30
successThreshold: 1
failureThreshold: 3
timeoutSeconds: 5
env:
- name: K8S_NODE_NAME
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: spec.nodeName
- name: CILIUM_K8S_NAMESPACE
valueFrom:
fieldRef:
apiVersion: v1
fieldPath: metadata.namespace
- name: CILIUM_CLUSTERMESH_CONFIG
value: /var/lib/cilium/clustermesh/
{% if cilium_kube_proxy_replacement == 'strict' %}
- name: KUBERNETES_SERVICE_HOST
value: "{{ kube_apiserver_global_endpoint | urlsplit('hostname') }}"
- name: KUBERNETES_SERVICE_PORT
value: "{{ kube_apiserver_global_endpoint | urlsplit('port') }}"
{% endif %}
{% for env_var in cilium_agent_extra_env_vars %}
- {{ env_var | to_nice_yaml(indent=2) | indent(10) }}
{% endfor %}
lifecycle:
postStart:
exec:
command:
- "/cni-install.sh"
- "--cni-exclusive={{ cilium_cni_exclusive | string | lower }}"
{% if cilium_version | regex_replace('v') is version('1.12', '>=') %}
- "--enable-debug={{ cilium_debug | string | lower }}"
- "--log-file={{ cilium_cni_log_file }}"
{% endif %}
preStop:
exec:
command:
- /cni-uninstall.sh
resources:
limits:
cpu: {{ cilium_cpu_limit }}
memory: {{ cilium_memory_limit }}
requests:
cpu: {{ cilium_cpu_requests }}
memory: {{ cilium_memory_requests }}
{% if cilium_enable_prometheus or cilium_enable_hubble_metrics %}
ports:
{% endif %}
{% if cilium_enable_prometheus %}
- name: prometheus
containerPort: {{ cilium_agent_scrape_port }}
hostPort: {{ cilium_agent_scrape_port }}
protocol: TCP
{% endif %}
{% if cilium_enable_hubble_metrics %}
- name: hubble-metrics
containerPort: {{ cilium_hubble_scrape_port }}
hostPort: {{ cilium_hubble_scrape_port }}
protocol: TCP
{% endif %}
securityContext:
privileged: true
volumeMounts:
- name: bpf-maps
mountPath: /sys/fs/bpf
mountPropagation: Bidirectional
- name: cilium-run
mountPath: /var/run/cilium
- name: cni-path
mountPath: /host/opt/cni/bin
- name: etc-cni-netd
mountPath: /host/etc/cni/net.d
{% if cilium_identity_allocation_mode == "kvstore" %}
- name: etcd-config-path
mountPath: /var/lib/etcd-config
readOnly: true
- name: etcd-secrets
mountPath: "{{cilium_cert_dir}}"
readOnly: true
{% endif %}
- name: clustermesh-secrets
mountPath: /var/lib/cilium/clustermesh
readOnly: true
- name: cilium-config-path
mountPath: /tmp/cilium/config-map
readOnly: true
{% if cilium_ip_masq_agent_enable %}
- name: ip-masq-agent
mountPath: /etc/config
readOnly: true
{% endif %}
# Needed to be able to load kernel modules
- name: lib-modules
mountPath: /lib/modules
readOnly: true
- name: xtables-lock
mountPath: /run/xtables.lock
{% if cilium_encryption_enabled and cilium_encryption_type == "ipsec" %}
- name: cilium-ipsec-secrets
mountPath: /etc/ipsec
readOnly: true
{% endif %}
{% if cilium_hubble_install %}
- name: hubble-tls
mountPath: /var/lib/cilium/tls/hubble
readOnly: true
{% endif %}
{% for volume_mount in cilium_agent_extra_volume_mounts %}
- {{ volume_mount | to_nice_yaml(indent=2) | indent(10) }}
{% endfor %}
# In managed etcd mode, Cilium must be able to resolve the DNS name of the etcd service
{% if cilium_identity_allocation_mode == "kvstore" %}
dnsPolicy: ClusterFirstWithHostNet
{% endif %}
hostNetwork: true
initContainers:
{% if cilium_version | regex_replace('v') is version('1.11', '>=') and cilium_cgroup_auto_mount %}
- name: mount-cgroup
image: "{{cilium_image_repo}}:{{cilium_image_tag}}"
imagePullPolicy: {{ k8s_image_pull_policy }}
env:
- name: CGROUP_ROOT
value: {{ cilium_cgroup_host_root }}
- name: BIN_PATH
value: /opt/cni/bin
command:
- sh
- -ec
# The statically linked Go program binary is invoked to avoid any
# dependency on utilities like sh and mount that can be missing on certain
# distros installed on the underlying host. Copy the binary to the
# same directory where we install cilium cni plugin so that exec permissions
# are available.
- |
cp /usr/bin/cilium-mount /hostbin/cilium-mount;
nsenter --cgroup=/hostproc/1/ns/cgroup --mount=/hostproc/1/ns/mnt "${BIN_PATH}/cilium-mount" $CGROUP_ROOT;
rm /hostbin/cilium-mount
volumeMounts:
- name: hostproc
mountPath: /hostproc
- name: cni-path
mountPath: /hostbin
securityContext:
privileged: true
{% endif %}
{% if cilium_version | regex_replace('v') is version('1.11.7', '>=') %}
- name: apply-sysctl-overwrites
image: "{{cilium_image_repo}}:{{cilium_image_tag}}"
imagePullPolicy: {{ k8s_image_pull_policy }}
env:
- name: BIN_PATH
value: /opt/cni/bin
command:
- sh
- -ec
# The statically linked Go program binary is invoked to avoid any
# dependency on utilities like sh that can be missing on certain
# distros installed on the underlying host. Copy the binary to the
# same directory where we install cilium cni plugin so that exec permissions
# are available.
- |
cp /usr/bin/cilium-sysctlfix /hostbin/cilium-sysctlfix;
nsenter --mount=/hostproc/1/ns/mnt "${BIN_PATH}/cilium-sysctlfix";
rm /hostbin/cilium-sysctlfix
volumeMounts:
- name: hostproc
mountPath: /hostproc
- name: cni-path
mountPath: /hostbin
securityContext:
privileged: true
{% endif %}
- name: clean-cilium-state
image: "{{cilium_image_repo}}:{{cilium_image_tag}}"
imagePullPolicy: {{ k8s_image_pull_policy }}
command:
- /init-container.sh
env:
- name: CILIUM_ALL_STATE
valueFrom:
configMapKeyRef:
name: cilium-config
key: clean-cilium-state
optional: true
- name: CILIUM_BPF_STATE
valueFrom:
configMapKeyRef:
name: cilium-config
key: clean-cilium-bpf-state
optional: true
# Removed in 1.11 and up.
# https://github.com/cilium/cilium/commit/f7a3f59fd74983c600bfce9cac364b76d20849d9
{% if cilium_version | regex_replace('v') is version('1.11', '<') %}
- name: CILIUM_WAIT_BPF_MOUNT
valueFrom:
configMapKeyRef:
key: wait-bpf-mount
name: cilium-config
optional: true
{% endif %}
{% if cilium_kube_proxy_replacement == 'strict' %}
- name: KUBERNETES_SERVICE_HOST
value: "{{ kube_apiserver_global_endpoint | urlsplit('hostname') }}"
- name: KUBERNETES_SERVICE_PORT
value: "{{ kube_apiserver_global_endpoint | urlsplit('port') }}"
{% endif %}
securityContext:
privileged: true
volumeMounts:
- name: bpf-maps
mountPath: /sys/fs/bpf
{% if cilium_version | regex_replace('v') is version('1.11', '>=') %}
# Required to mount cgroup filesystem from the host to cilium agent pod
- name: cilium-cgroup
mountPath: {{ cilium_cgroup_host_root }}
mountPropagation: HostToContainer
{% endif %}
- name: cilium-run
mountPath: /var/run/cilium
resources:
requests:
cpu: 100m
memory: 100Mi
restartPolicy: Always
priorityClassName: system-node-critical
serviceAccount: cilium
serviceAccountName: cilium
terminationGracePeriodSeconds: 1
hostNetwork: true
# In managed etcd mode, Cilium must be able to resolve the DNS name of the etcd service
{% if cilium_identity_allocation_mode == "kvstore" %}
dnsPolicy: ClusterFirstWithHostNet
{% endif %}
affinity:
podAntiAffinity:
requiredDuringSchedulingIgnoredDuringExecution:
- topologyKey: kubernetes.io/hostname
labelSelector:
matchLabels:
k8s-app: cilium
tolerations:
- operator: Exists
volumes:
# To keep state between restarts / upgrades
- name: cilium-run
hostPath:
path: /var/run/cilium
type: DirectoryOrCreate
# To keep state between restarts / upgrades for bpf maps
- name: bpf-maps
hostPath:
path: /sys/fs/bpf
type: DirectoryOrCreate
{% if cilium_version | regex_replace('v') is version('1.11', '>=') %}
# To mount cgroup2 filesystem on the host
- name: hostproc
hostPath:
path: /proc
type: Directory
# To keep state between restarts / upgrades for cgroup2 filesystem
- name: cilium-cgroup
hostPath:
path: {{ cilium_cgroup_host_root }}
type: DirectoryOrCreate
{% endif %}
# To install cilium cni plugin in the host
- name: cni-path
hostPath:
path: /opt/cni/bin
type: DirectoryOrCreate
# To install cilium cni configuration in the host
- name: etc-cni-netd
hostPath:
path: /etc/cni/net.d
type: DirectoryOrCreate
# To be able to load kernel modules
- name: lib-modules
hostPath:
path: /lib/modules
# To access iptables concurrently with other processes (e.g. kube-proxy)
- name: xtables-lock
hostPath:
path: /run/xtables.lock
type: FileOrCreate
{% if cilium_identity_allocation_mode == "kvstore" %}
# To read the etcd config stored in config maps
- name: etcd-config-path
configMap:
name: cilium-config
# note: the leading zero means this number is in octal representation: do not remove it
defaultMode: 0400
items:
- key: etcd-config
path: etcd.config
# To read the k8s etcd secrets in case the user might want to use TLS
- name: etcd-secrets
hostPath:
path: "{{cilium_cert_dir}}"
{% endif %}
# To read the clustermesh configuration
- name: clustermesh-secrets
secret:
secretName: cilium-clustermesh
# note: the leading zero means this number is in octal representation: do not remove it
defaultMode: 0400
optional: true
# To read the configuration from the config map
- name: cilium-config-path
configMap:
name: cilium-config
{% if cilium_ip_masq_agent_enable %}
- name: ip-masq-agent
configMap:
name: ip-masq-agent
optional: true
items:
- key: config
path: ip-masq-agent
{% endif %}
{% if cilium_encryption_enabled and cilium_encryption_type == "ipsec" %}
- name: cilium-ipsec-secrets
secret:
secretName: cilium-ipsec-keys
{% endif %}
{% if cilium_hubble_install %}
- name: hubble-tls
projected:
# note: the leading zero means this number is in octal representation: do not remove it
defaultMode: 0400
sources:
- secret:
name: hubble-server-certs
optional: true
items:
- key: ca.crt
path: client-ca.crt
- key: tls.crt
path: server.crt
- key: tls.key
path: server.key
{% endif %}