c12s-kubespray/roles/network_plugin/calico/templates/calico-node.yml.j2
Etienne Champetier 7d7739e031
Calico: fix node ip subnet detection (#7065)
We are currently setting the IP variable to hostIP,
Before https://github.com/projectcalico/node/pull/593 (not yet released)
Calico interpret that as hostIP/32
Using 'can-reach' we get the future behavior
This fixes vxlan and IPIP CrossSubnet modes

Signed-off-by: Etienne Champetier <champetier.etienne@gmail.com>
2020-12-21 00:58:25 -08:00

369 lines
13 KiB
Django/Jinja

---
# This manifest installs the calico/node container, as well
# as the Calico CNI plugins and network config on
# each master and worker node in a Kubernetes cluster.
kind: DaemonSet
apiVersion: apps/v1
metadata:
name: calico-node
namespace: kube-system
labels:
k8s-app: calico-node
spec:
selector:
matchLabels:
k8s-app: calico-node
template:
metadata:
labels:
k8s-app: calico-node
annotations:
{% if calico_datastore == "etcd" %}
kubespray.etcd-cert/serial: "{{ etcd_client_cert_serial }}"
{% endif %}
{% if calico_felix_prometheusmetricsenabled %}
prometheus.io/scrape: 'true'
prometheus.io/port: "{{ calico_felix_prometheusmetricsport }}"
{% endif %}
spec:
priorityClassName: system-node-critical
hostNetwork: true
serviceAccountName: calico-node
tolerations:
- operator: Exists
# Minimize downtime during a rolling upgrade or deletion; tell Kubernetes to do a "force
# deletion": https://kubernetes.io/docs/concepts/workloads/pods/pod/#termination-of-pods.
terminationGracePeriodSeconds: 0
initContainers:
{% if calico_datastore == "kdd" %}
# This container performs upgrade from host-local IPAM to calico-ipam.
# It can be deleted if this is a fresh installation, or if you have already
# upgraded to use calico-ipam.
- name: upgrade-ipam
image: {{ calico_cni_image_repo }}:{{ calico_cni_image_tag }}
command: ["/opt/cni/bin/calico-ipam", "-upgrade"]
env:
- name: KUBERNETES_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: CALICO_NETWORKING_BACKEND
valueFrom:
configMapKeyRef:
name: calico-config
key: calico_backend
volumeMounts:
- mountPath: /var/lib/cni/networks
name: host-local-net-dir
- mountPath: /host/opt/cni/bin
name: cni-bin-dir
securityContext:
privileged: true
{% endif %}
# This container installs the Calico CNI binaries
# and CNI network config file on each node.
- name: install-cni
image: {{ calico_cni_image_repo }}:{{ calico_cni_image_tag }}
command: ["{{ (calico_version is version('v3.16.0', '<'))|ternary('/install-cni.sh','/opt/cni/bin/install') }}"]
env:
# Name of the CNI config file to create.
- name: CNI_CONF_NAME
value: "10-calico.conflist"
# Install CNI binaries
- name: UPDATE_CNI_BINARIES
value: "true"
# The CNI network config to install on each node.
- name: CNI_NETWORK_CONFIG_FILE
value: "/host/etc/cni/net.d/calico.conflist.template"
# Prevents the container from sleeping forever.
- name: SLEEP
value: "false"
{% if calico_datastore == "kdd" %}
# Set the hostname based on the k8s node name.
- name: KUBERNETES_NODE_NAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
{% endif %}
volumeMounts:
- mountPath: /host/etc/cni/net.d
name: cni-net-dir
- mountPath: /host/opt/cni/bin
name: cni-bin-dir
securityContext:
privileged: true
containers:
# Runs calico/node container on each Kubernetes node. This
# container programs network policy and routes on each
# host.
- name: calico-node
image: {{ calico_node_image_repo }}:{{ calico_node_image_tag }}
env:
# The location of the Calico etcd cluster.
{% if calico_datastore == "etcd" %}
- name: ETCD_ENDPOINTS
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_endpoints
# Location of the CA certificate for etcd.
- name: ETCD_CA_CERT_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_ca
# Location of the client key for etcd.
- name: ETCD_KEY_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_key
# Location of the client certificate for etcd.
- name: ETCD_CERT_FILE
valueFrom:
configMapKeyRef:
name: calico-config
key: etcd_cert
{% elif calico_datastore == "kdd" %}
# Use Kubernetes API as the backing datastore.
- name: DATASTORE_TYPE
value: "kubernetes"
{% if typha_enabled %}
# Typha support: controlled by the ConfigMap.
- name: FELIX_TYPHAK8SSERVICENAME
valueFrom:
configMapKeyRef:
name: calico-config
key: typha_service_name
{% if typha_secure %}
- name: FELIX_TYPHACN
value: typha-server
- name: FELIX_TYPHACAFILE
value: /etc/typha-ca/ca.crt
- name: FELIX_TYPHACERTFILE
value: /etc/typha-client/typha-client.crt
- name: FELIX_TYPHAKEYFILE
value: /etc/typha-client/typha-client.key
{% endif %}
{% endif %}
# Wait for the datastore.
- name: WAIT_FOR_DATASTORE
value: "true"
{% endif %}
{% if calico_network_backend is defined and calico_network_backend == 'vxlan' %}
- name: FELIX_VXLANVNI
value: "{{ calico_vxlan_vni }}"
- name: FELIX_VXLANPORT
value: "{{ calico_vxlan_port }}"
{% endif %}
# Choose the backend to use.
- name: CALICO_NETWORKING_BACKEND
valueFrom:
configMapKeyRef:
name: calico-config
key: calico_backend
# Cluster type to identify the deployment type
- name: CLUSTER_TYPE
valueFrom:
configMapKeyRef:
name: calico-config
key: cluster_type
# Set noderef for node controller.
- name: CALICO_K8S_NODE_REF
valueFrom:
fieldRef:
fieldPath: spec.nodeName
# Disable file logging so `kubectl logs` works.
- name: CALICO_DISABLE_FILE_LOGGING
value: "true"
# Set Felix endpoint to host default action to ACCEPT.
- name: FELIX_DEFAULTENDPOINTTOHOSTACTION
value: "{{ calico_endpoint_to_host_action|default('RETURN') }}"
- name: FELIX_HEALTHHOST
value: "{{ calico_healthhost }}"
{% if kube_proxy_mode == 'ipvs' and kube_apiserver_node_port_range is defined %}
- name: FELIX_KUBENODEPORTRANGES
value: "{{ kube_apiserver_node_port_range.split('-')[0] }}:{{ kube_apiserver_node_port_range.split('-')[1] }}"
{% endif %}
- name: FELIX_IPTABLESBACKEND
value: "{{ calico_iptables_backend }}"
- name: FELIX_IPTABLESLOCKTIMEOUTSECS
value: "{{ calico_iptables_lock_timeout_secs }}"
# should be set in etcd before deployment
# # Configure the IP Pool from which Pod IPs will be chosen.
# - name: CALICO_IPV4POOL_CIDR
# value: "{{ calico_pool_cidr | default(kube_pods_subnet) }}"
{% if calico_veth_mtu is defined %}
# Set MTU for the Wireguard tunnel device.
- name: FELIX_WIREGUARDMTU
value: "{{ calico_veth_mtu }}"
{% endif %}
- name: CALICO_IPV4POOL_IPIP
value: "{{ calico_ipv4pool_ipip }}"
# Disable IPv6 on Kubernetes.
- name: FELIX_IPV6SUPPORT
value: "false"
# Set Felix logging to "info"
- name: FELIX_LOGSEVERITYSCREEN
value: "{{ calico_loglevel }}"
# Enable or disable usage report
- name: FELIX_USAGEREPORTINGENABLED
value: "{{ calico_usage_reporting }}"
# Set MTU for tunnel device used if ipip is enabled
{% if calico_mtu is defined %}
- name: FELIX_IPINIPMTU
value: "{{ calico_veth_mtu | default(calico_mtu) }}"
{% endif %}
- name: FELIX_CHAININSERTMODE
value: "{{ calico_felix_chaininsertmode }}"
- name: FELIX_PROMETHEUSMETRICSENABLED
value: "{{ calico_felix_prometheusmetricsenabled }}"
- name: FELIX_PROMETHEUSMETRICSPORT
value: "{{ calico_felix_prometheusmetricsport }}"
- name: FELIX_PROMETHEUSGOMETRICSENABLED
value: "{{ calico_felix_prometheusgometricsenabled }}"
- name: FELIX_PROMETHEUSPROCESSMETRICSENABLED
value: "{{ calico_felix_prometheusprocessmetricsenabled }}"
{% if calico_ip_auto_method is defined %}
- name: IP_AUTODETECTION_METHOD
value: "{{ calico_ip_auto_method }}"
- name: IP
value: "autodetect"
{% else %}
- name: NODEIP
valueFrom:
fieldRef:
fieldPath: status.hostIP
- name: IP_AUTODETECTION_METHOD
value: "can-reach=$(NODEIP)"
- name: IP
value: "autodetect"
{% endif %}
{% if calico_use_default_route_src_ipaddr|default(false) %}
- name: FELIX_DEVICEROUTESOURCEADDRESS
valueFrom:
fieldRef:
fieldPath: status.hostIP
{% endif %}
- name: NODENAME
valueFrom:
fieldRef:
fieldPath: spec.nodeName
- name: FELIX_HEALTHENABLED
value: "true"
- name: FELIX_IGNORELOOSERPF
value: "{{ calico_node_ignorelooserpf }}"
{% if calico_node_extra_envs is defined %}
{% for key in calico_node_extra_envs %}
- name: {{ key }}
value: "{{ calico_node_extra_envs[key] }}"
{% endfor %}
{% endif %}
securityContext:
privileged: true
resources:
limits:
cpu: {{ calico_node_cpu_limit }}
memory: {{ calico_node_memory_limit }}
requests:
cpu: {{ calico_node_cpu_requests }}
memory: {{ calico_node_memory_requests }}
livenessProbe:
exec:
command:
- /bin/calico-node
- -felix-live
{% if calico_network_backend|default("bird") == "bird" %}
- -bird-live
{% endif %}
initialDelaySeconds: 5
failureThreshold: 6
readinessProbe:
failureThreshold: 6
exec:
command:
- /bin/calico-node
{% if calico_network_backend|default("bird") == "bird" %}
- -bird-ready
{% endif %}
- -felix-ready
volumeMounts:
- mountPath: /lib/modules
name: lib-modules
readOnly: true
- mountPath: /var/run/calico
name: var-run-calico
- mountPath: /var/lib/calico
name: var-lib-calico
readOnly: false
{% if calico_datastore == "etcd" %}
- mountPath: /calico-secrets
name: etcd-certs
{% endif %}
- name: xtables-lock
mountPath: /run/xtables.lock
readOnly: false
{% if typha_secure %}
- name: typha-client
mountPath: /etc/typha-client
readOnly: true
- name: typha-cacert
subPath: ca.crt
mountPath: /etc/typha-ca/ca.crt
readOnly: true
{% endif %}
volumes:
# Used by calico/node.
- name: lib-modules
hostPath:
path: /lib/modules
- name: var-run-calico
hostPath:
path: /var/run/calico
- name: var-lib-calico
hostPath:
path: /var/lib/calico
# Used to install CNI.
- name: cni-net-dir
hostPath:
path: /etc/cni/net.d
- name: cni-bin-dir
hostPath:
path: /opt/cni/bin
{% if calico_datastore == "etcd" %}
# Mount in the etcd TLS secrets.
- name: etcd-certs
hostPath:
path: "{{ calico_cert_dir }}"
{% endif %}
# Mount the global iptables lock file, used by calico/node
- name: xtables-lock
hostPath:
path: /run/xtables.lock
type: FileOrCreate
{% if calico_datastore == "kdd" %}
# Mount in the directory for host-local IPAM allocations. This is
# used when upgrading from host-local to calico-ipam, and can be removed
# if not using the upgrade-ipam init container.
- name: host-local-net-dir
hostPath:
path: /var/lib/cni/networks
{% endif %}
{% if typha_enabled and typha_secure %}
- name: typha-client
secret:
secretName: typha-client
items:
- key: tls.crt
path: typha-client.crt
- key: tls.key
path: typha-client.key
- name: typha-cacert
hostPath:
path: "/etc/kubernetes/ssl/"
{% endif %}
updateStrategy:
rollingUpdate:
maxUnavailable: {{ serial | default('20%') }}
type: RollingUpdate