Files
kubespray/roles/kubernetes/control-plane/templates/kubeadm-config.v1beta3.yaml.j2
Max Gautier e4be213cf7 Disable podCIDR allocation from control-plane when using calico (#10639) (#10715)
* Disable control plane allocating podCIDR for nodes when using calico

Calico does not use the .spec.podCIDR field for its IP address
management.
Furthermore, it can false positives from the kube controller manager if
kube_network_node_prefix and calico_pool_blocksize are unaligned, which
is the case with the default shipped by kubespray.

If the subnets obtained from using kube_network_node_prefix are bigger,
this would result at some point in the control plane thinking it does
not have subnets left for a new node, while calico will work without
problems.

Explicitely set a default value of false for calico_ipam_host_local to
facilitate its use in templates.

* Don't default to kube_network_node_prefix for calico_pool_blocksize

They have different semantics: kube_network_node_prefix is intended to
be the size of the subnet for all pods on a node, while there can be
more than on calico block of the specified size (they are allocated on
demand).

Besides, this commit does not actually change anything, because the
current code is buggy: we don't ever default to
kube_network_node_prefix, since the variable is defined in the role
defaults.
2023-12-13 11:30:18 +01:00

459 lines
18 KiB
Django/Jinja

apiVersion: kubeadm.k8s.io/v1beta3
kind: InitConfiguration
{% if kubeadm_token is defined %}
bootstrapTokens:
- token: "{{ kubeadm_token }}"
description: "kubespray kubeadm bootstrap token"
ttl: "24h"
{% endif %}
localAPIEndpoint:
advertiseAddress: {{ kube_apiserver_address }}
bindPort: {{ kube_apiserver_port }}
{% if kubeadm_certificate_key is defined %}
certificateKey: {{ kubeadm_certificate_key }}
{% endif %}
nodeRegistration:
{% if kube_override_hostname | default('') %}
name: {{ kube_override_hostname }}
{% endif %}
{% if inventory_hostname in groups['kube_control_plane'] and inventory_hostname not in groups['kube_node'] %}
taints:
- effect: NoSchedule
key: node-role.kubernetes.io/control-plane
{% else %}
taints: []
{% endif %}
criSocket: {{ cri_socket }}
{% if cloud_provider is defined and cloud_provider in ["external"] %}
kubeletExtraArgs:
cloud-provider: external
{% endif %}
{% if kubeadm_patches is defined and kubeadm_patches.enabled %}
patches:
directory: {{ kubeadm_patches.dest_dir }}
{% endif %}
---
apiVersion: kubeadm.k8s.io/v1beta3
kind: ClusterConfiguration
clusterName: {{ cluster_name }}
etcd:
{% if etcd_deployment_type != "kubeadm" %}
external:
endpoints:
{% for endpoint in etcd_access_addresses.split(',') %}
- {{ endpoint }}
{% endfor %}
caFile: {{ etcd_cert_dir }}/{{ kube_etcd_cacert_file }}
certFile: {{ etcd_cert_dir }}/{{ kube_etcd_cert_file }}
keyFile: {{ etcd_cert_dir }}/{{ kube_etcd_key_file }}
{% elif etcd_deployment_type == "kubeadm" %}
local:
imageRepository: "{{ etcd_image_repo | regex_replace("/etcd$","") }}"
imageTag: "{{ etcd_image_tag }}"
dataDir: "{{ etcd_data_dir }}"
extraArgs:
metrics: {{ etcd_metrics }}
election-timeout: "{{ etcd_election_timeout }}"
heartbeat-interval: "{{ etcd_heartbeat_interval }}"
auto-compaction-retention: "{{ etcd_compaction_retention }}"
{% if etcd_listen_metrics_urls is defined %}
listen-metrics-urls: "{{ etcd_listen_metrics_urls }}"
{% endif %}
{% if etcd_snapshot_count is defined %}
snapshot-count: "{{ etcd_snapshot_count }}"
{% endif %}
{% if etcd_quota_backend_bytes is defined %}
quota-backend-bytes: "{{ etcd_quota_backend_bytes }}"
{% endif %}
{% if etcd_max_request_bytes is defined %}
max-request-bytes: "{{ etcd_max_request_bytes }}"
{% endif %}
{% if etcd_log_level is defined %}
log-level: "{{ etcd_log_level }}"
{% endif %}
{% for key, value in etcd_extra_vars.items() %}
{{ key }}: "{{ value }}"
{% endfor %}
serverCertSANs:
{% for san in etcd_cert_alt_names %}
- {{ san }}
{% endfor %}
{% for san in etcd_cert_alt_ips %}
- {{ san }}
{% endfor %}
peerCertSANs:
{% for san in etcd_cert_alt_names %}
- {{ san }}
{% endfor %}
{% for san in etcd_cert_alt_ips %}
- {{ san }}
{% endfor %}
{% endif %}
dns:
imageRepository: {{ coredns_image_repo | regex_replace('/coredns(?!/coredns).*$', '') }}
imageTag: {{ coredns_image_tag }}
networking:
dnsDomain: {{ dns_domain }}
serviceSubnet: "{{ kube_service_addresses }}{{ ',' + kube_service_addresses_ipv6 if enable_dual_stack_networks else '' }}"
{% if kube_network_plugin is defined and kube_network_plugin not in ["kube-ovn"] %}
podSubnet: "{{ kube_pods_subnet }}{{ ',' + kube_pods_subnet_ipv6 if enable_dual_stack_networks else '' }}"
{% endif %}
{% if kubeadm_feature_gates %}
featureGates:
{% for feature in kubeadm_feature_gates %}
{{ feature | replace("=", ": ") }}
{% endfor %}
{% endif %}
kubernetesVersion: {{ kube_version }}
{% if kubeadm_config_api_fqdn is defined %}
controlPlaneEndpoint: {{ kubeadm_config_api_fqdn }}:{{ loadbalancer_apiserver.port | default(kube_apiserver_port) }}
{% else %}
controlPlaneEndpoint: {{ ip | default(fallback_ips[inventory_hostname]) }}:{{ kube_apiserver_port }}
{% endif %}
certificatesDir: {{ kube_cert_dir }}
imageRepository: {{ kube_image_repo }}
apiServer:
extraArgs:
{% if kube_apiserver_pod_eviction_not_ready_timeout_seconds is defined %}
default-not-ready-toleration-seconds: "{{ kube_apiserver_pod_eviction_not_ready_timeout_seconds }}"
{% endif %}
{% if kube_apiserver_pod_eviction_unreachable_timeout_seconds is defined %}
default-unreachable-toleration-seconds: "{{ kube_apiserver_pod_eviction_unreachable_timeout_seconds }}"
{% endif %}
{% if kube_api_anonymous_auth is defined %}
anonymous-auth: "{{ kube_api_anonymous_auth }}"
{% endif %}
authorization-mode: {{ authorization_modes | join(',') }}
bind-address: {{ kube_apiserver_bind_address }}
{% if kube_apiserver_enable_admission_plugins | length > 0 %}
enable-admission-plugins: {{ kube_apiserver_enable_admission_plugins | join(',') }}
{% endif %}
{% if kube_apiserver_admission_control_config_file %}
admission-control-config-file: {{ kube_config_dir }}/admission-controls.yaml
{% endif %}
{% if kube_apiserver_disable_admission_plugins | length > 0 %}
disable-admission-plugins: {{ kube_apiserver_disable_admission_plugins | join(',') }}
{% endif %}
apiserver-count: "{{ kube_apiserver_count }}"
endpoint-reconciler-type: lease
{% if etcd_events_cluster_enabled %}
etcd-servers-overrides: "/events#{{ etcd_events_access_addresses_semicolon }}"
{% endif %}
service-node-port-range: {{ kube_apiserver_node_port_range }}
service-cluster-ip-range: "{{ kube_service_addresses }}{{ ',' + kube_service_addresses_ipv6 if enable_dual_stack_networks else '' }}"
kubelet-preferred-address-types: "{{ kubelet_preferred_address_types }}"
profiling: "{{ kube_profiling }}"
request-timeout: "{{ kube_apiserver_request_timeout }}"
enable-aggregator-routing: "{{ kube_api_aggregator_routing }}"
{% if kube_token_auth | default(true) %}
token-auth-file: {{ kube_token_dir }}/known_tokens.csv
{% endif %}
{% if kube_apiserver_service_account_lookup %}
service-account-lookup: "{{ kube_apiserver_service_account_lookup }}"
{% endif %}
{% if kube_oidc_auth | default(false) and kube_oidc_url is defined and kube_oidc_client_id is defined %}
oidc-issuer-url: "{{ kube_oidc_url }}"
oidc-client-id: "{{ kube_oidc_client_id }}"
{% if kube_oidc_ca_file is defined %}
oidc-ca-file: "{{ kube_oidc_ca_file }}"
{% endif %}
{% if kube_oidc_username_claim is defined %}
oidc-username-claim: "{{ kube_oidc_username_claim }}"
{% endif %}
{% if kube_oidc_groups_claim is defined %}
oidc-groups-claim: "{{ kube_oidc_groups_claim }}"
{% endif %}
{% if kube_oidc_username_prefix is defined %}
oidc-username-prefix: "{{ kube_oidc_username_prefix }}"
{% endif %}
{% if kube_oidc_groups_prefix is defined %}
oidc-groups-prefix: "{{ kube_oidc_groups_prefix }}"
{% endif %}
{% endif %}
{% if kube_webhook_token_auth | default(false) %}
authentication-token-webhook-config-file: {{ kube_config_dir }}/webhook-token-auth-config.yaml
{% endif %}
{% if kube_webhook_authorization | default(false) %}
authorization-webhook-config-file: {{ kube_config_dir }}/webhook-authorization-config.yaml
{% endif %}
{% if kube_encrypt_secret_data %}
encryption-provider-config: {{ kube_cert_dir }}/secrets_encryption.yaml
{% endif %}
storage-backend: {{ kube_apiserver_storage_backend }}
{% if kube_api_runtime_config | length > 0 %}
runtime-config: {{ kube_api_runtime_config | join(',') }}
{% endif %}
allow-privileged: "true"
{% if kubernetes_audit or kubernetes_audit_webhook %}
audit-policy-file: {{ audit_policy_file }}
{% endif %}
{% if kubernetes_audit %}
audit-log-path: "{{ audit_log_path }}"
audit-log-maxage: "{{ audit_log_maxage }}"
audit-log-maxbackup: "{{ audit_log_maxbackups }}"
audit-log-maxsize: "{{ audit_log_maxsize }}"
{% endif %}
{% if kubernetes_audit_webhook %}
audit-webhook-config-file: {{ audit_webhook_config_file }}
audit-webhook-mode: {{ audit_webhook_mode }}
{% if audit_webhook_mode == "batch" %}
audit-webhook-batch-max-size: "{{ audit_webhook_batch_max_size }}"
audit-webhook-batch-max-wait: "{{ audit_webhook_batch_max_wait }}"
{% endif %}
{% endif %}
{% for key in kube_kubeadm_apiserver_extra_args %}
{{ key }}: "{{ kube_kubeadm_apiserver_extra_args[key] }}"
{% endfor %}
{% if kube_apiserver_feature_gates or kube_feature_gates %}
feature-gates: "{{ kube_apiserver_feature_gates | default(kube_feature_gates, true) | join(',') }}"
{% endif %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] %}
cloud-provider: {{ cloud_provider }}
cloud-config: {{ kube_config_dir }}/cloud_config
{% endif %}
{% if tls_min_version is defined %}
tls-min-version: {{ tls_min_version }}
{% endif %}
{% if tls_cipher_suites is defined %}
tls-cipher-suites: {% for tls in tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
{% endif %}
{% if event_ttl_duration is defined %}
event-ttl: {{ event_ttl_duration }}
{% endif %}
{% if kubelet_rotate_server_certificates %}
kubelet-certificate-authority: {{ kube_cert_dir }}/ca.crt
{% endif %}
{% if kubernetes_audit or kube_token_auth | default(true) or kube_webhook_token_auth | default(false) or ( cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] ) or apiserver_extra_volumes or ssl_ca_dirs | length %}
extraVolumes:
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] %}
- name: cloud-config
hostPath: {{ kube_config_dir }}/cloud_config
mountPath: {{ kube_config_dir }}/cloud_config
{% endif %}
{% if kube_token_auth | default(true) %}
- name: token-auth-config
hostPath: {{ kube_token_dir }}
mountPath: {{ kube_token_dir }}
{% endif %}
{% if kube_webhook_token_auth | default(false) %}
- name: webhook-token-auth-config
hostPath: {{ kube_config_dir }}/webhook-token-auth-config.yaml
mountPath: {{ kube_config_dir }}/webhook-token-auth-config.yaml
{% endif %}
{% if kube_webhook_authorization | default(false) %}
- name: webhook-authorization-config
hostPath: {{ kube_config_dir }}/webhook-authorization-config.yaml
mountPath: {{ kube_config_dir }}/webhook-authorization-config.yaml
{% endif %}
{% if kubernetes_audit or kubernetes_audit_webhook %}
- name: {{ audit_policy_name }}
hostPath: {{ audit_policy_hostpath }}
mountPath: {{ audit_policy_mountpath }}
{% if audit_log_path != "-" %}
- name: {{ audit_log_name }}
hostPath: {{ audit_log_hostpath }}
mountPath: {{ audit_log_mountpath }}
readOnly: false
{% endif %}
{% endif %}
{% if kube_apiserver_admission_control_config_file %}
- name: admission-control-configs
hostPath: {{ kube_config_dir }}/admission-controls
mountPath: {{ kube_config_dir }}
readOnly: false
pathType: DirectoryOrCreate
{% endif %}
{% for volume in apiserver_extra_volumes %}
- name: {{ volume.name }}
hostPath: {{ volume.hostPath }}
mountPath: {{ volume.mountPath }}
readOnly: {{ volume.readOnly | d(not (volume.writable | d(false))) }}
{% endfor %}
{% if ssl_ca_dirs | length %}
{% for dir in ssl_ca_dirs %}
- name: {{ dir | regex_replace('^/(.*)$', '\\1' ) | regex_replace('/', '-') }}
hostPath: {{ dir }}
mountPath: {{ dir }}
readOnly: true
{% endfor %}
{% endif %}
{% endif %}
certSANs:
{% for san in apiserver_sans %}
- {{ san }}
{% endfor %}
timeoutForControlPlane: 5m0s
controllerManager:
extraArgs:
node-monitor-grace-period: {{ kube_controller_node_monitor_grace_period }}
node-monitor-period: {{ kube_controller_node_monitor_period }}
{% if kube_network_plugin is defined and kube_network_plugin not in ["kube-ovn"] %}
cluster-cidr: "{{ kube_pods_subnet }}{{ ',' + kube_pods_subnet_ipv6 if enable_dual_stack_networks else '' }}"
{% endif %}
service-cluster-ip-range: "{{ kube_service_addresses }}{{ ',' + kube_service_addresses_ipv6 if enable_dual_stack_networks else '' }}"
{% if kube_network_plugin is defined and kube_network_plugin == "calico" and not calico_ipam_host_local %}
allocate-node-cidrs: "false"
{% else %}
{% if enable_dual_stack_networks %}
node-cidr-mask-size-ipv4: "{{ kube_network_node_prefix }}"
node-cidr-mask-size-ipv6: "{{ kube_network_node_prefix_ipv6 }}"
{% else %}
node-cidr-mask-size: "{{ kube_network_node_prefix }}"
{% endif %}
{% endif %}
profiling: "{{ kube_profiling }}"
terminated-pod-gc-threshold: "{{ kube_controller_terminated_pod_gc_threshold }}"
bind-address: {{ kube_controller_manager_bind_address }}
leader-elect-lease-duration: {{ kube_controller_manager_leader_elect_lease_duration }}
leader-elect-renew-deadline: {{ kube_controller_manager_leader_elect_renew_deadline }}
{% if kube_controller_feature_gates or kube_feature_gates %}
feature-gates: "{{ kube_controller_feature_gates | default(kube_feature_gates, true) | join(',') }}"
{% endif %}
{% for key in kube_kubeadm_controller_extra_args %}
{{ key }}: "{{ kube_kubeadm_controller_extra_args[key] }}"
{% endfor %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] %}
cloud-provider: {{ cloud_provider }}
cloud-config: {{ kube_config_dir }}/cloud_config
{% endif %}
{% if kube_network_plugin is defined and kube_network_plugin not in ["cloud"] %}
configure-cloud-routes: "false"
{% endif %}
{% if kubelet_flexvolumes_plugins_dir is defined %}
flex-volume-plugin-dir: {{ kubelet_flexvolumes_plugins_dir }}
{% endif %}
{% if tls_min_version is defined %}
tls-min-version: {{ tls_min_version }}
{% endif %}
{% if tls_cipher_suites is defined %}
tls-cipher-suites: {% for tls in tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
{% endif %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] or controller_manager_extra_volumes %}
extraVolumes:
{% if cloud_provider is defined and cloud_provider in ["openstack"] and openstack_cacert is defined %}
- name: openstackcacert
hostPath: "{{ kube_config_dir }}/openstack-cacert.pem"
mountPath: "{{ kube_config_dir }}/openstack-cacert.pem"
{% endif %}
{% if cloud_provider is defined and cloud_provider in ["openstack", "azure", "vsphere", "aws", "gce"] %}
- name: cloud-config
hostPath: {{ kube_config_dir }}/cloud_config
mountPath: {{ kube_config_dir }}/cloud_config
{% endif %}
{% for volume in controller_manager_extra_volumes %}
- name: {{ volume.name }}
hostPath: {{ volume.hostPath }}
mountPath: {{ volume.mountPath }}
readOnly: {{ volume.readOnly | d(not (volume.writable | d(false))) }}
{% endfor %}
{% endif %}
scheduler:
extraArgs:
bind-address: {{ kube_scheduler_bind_address }}
config: {{ kube_config_dir }}/kubescheduler-config.yaml
{% if kube_scheduler_feature_gates or kube_feature_gates %}
feature-gates: "{{ kube_scheduler_feature_gates | default(kube_feature_gates, true) | join(',') }}"
{% endif %}
profiling: "{{ kube_profiling }}"
{% if kube_kubeadm_scheduler_extra_args | length > 0 %}
{% for key in kube_kubeadm_scheduler_extra_args %}
{{ key }}: "{{ kube_kubeadm_scheduler_extra_args[key] }}"
{% endfor %}
{% endif %}
{% if tls_min_version is defined %}
tls-min-version: {{ tls_min_version }}
{% endif %}
{% if tls_cipher_suites is defined %}
tls-cipher-suites: {% for tls in tls_cipher_suites %}{{ tls }}{{ "," if not loop.last else "" }}{% endfor %}
{% endif %}
extraVolumes:
- name: kubescheduler-config
hostPath: {{ kube_config_dir }}/kubescheduler-config.yaml
mountPath: {{ kube_config_dir }}/kubescheduler-config.yaml
readOnly: true
{% if scheduler_extra_volumes %}
{% for volume in scheduler_extra_volumes %}
- name: {{ volume.name }}
hostPath: {{ volume.hostPath }}
mountPath: {{ volume.mountPath }}
readOnly: {{ volume.readOnly | d(not (volume.writable | d(false))) }}
{% endfor %}
{% endif %}
---
apiVersion: kubeproxy.config.k8s.io/v1alpha1
kind: KubeProxyConfiguration
bindAddress: {{ kube_proxy_bind_address }}
clientConnection:
acceptContentTypes: {{ kube_proxy_client_accept_content_types }}
burst: {{ kube_proxy_client_burst }}
contentType: {{ kube_proxy_client_content_type }}
kubeconfig: {{ kube_proxy_client_kubeconfig }}
qps: {{ kube_proxy_client_qps }}
{% if kube_network_plugin is defined and kube_network_plugin not in ["kube-ovn"] %}
clusterCIDR: "{{ kube_pods_subnet }}{{ ',' + kube_pods_subnet_ipv6 if enable_dual_stack_networks else '' }}"
{% endif %}
configSyncPeriod: {{ kube_proxy_config_sync_period }}
conntrack:
maxPerCore: {{ kube_proxy_conntrack_max_per_core }}
min: {{ kube_proxy_conntrack_min }}
tcpCloseWaitTimeout: {{ kube_proxy_conntrack_tcp_close_wait_timeout }}
tcpEstablishedTimeout: {{ kube_proxy_conntrack_tcp_established_timeout }}
enableProfiling: {{ kube_proxy_enable_profiling }}
healthzBindAddress: {{ kube_proxy_healthz_bind_address }}
hostnameOverride: {{ kube_override_hostname }}
iptables:
masqueradeAll: {{ kube_proxy_masquerade_all }}
masqueradeBit: {{ kube_proxy_masquerade_bit }}
minSyncPeriod: {{ kube_proxy_min_sync_period }}
syncPeriod: {{ kube_proxy_sync_period }}
ipvs:
excludeCIDRs: {{ kube_proxy_exclude_cidrs }}
minSyncPeriod: {{ kube_proxy_min_sync_period }}
scheduler: {{ kube_proxy_scheduler }}
syncPeriod: {{ kube_proxy_sync_period }}
strictARP: {{ kube_proxy_strict_arp }}
tcpTimeout: {{ kube_proxy_tcp_timeout }}
tcpFinTimeout: {{ kube_proxy_tcp_fin_timeout }}
udpTimeout: {{ kube_proxy_udp_timeout }}
metricsBindAddress: {{ kube_proxy_metrics_bind_address }}
mode: {{ kube_proxy_mode }}
nodePortAddresses: {{ kube_proxy_nodeport_addresses }}
oomScoreAdj: {{ kube_proxy_oom_score_adj }}
portRange: {{ kube_proxy_port_range }}
{% if kube_proxy_feature_gates or kube_feature_gates %}
{% set feature_gates = ( kube_proxy_feature_gates | default(kube_feature_gates, true) ) %}
featureGates:
{% for feature in feature_gates %}
{{ feature | replace("=", ": ") }}
{% endfor %}
{% endif %}
{# DNS settings for kubelet #}
{% if enable_nodelocaldns %}
{% set kubelet_cluster_dns = [nodelocaldns_ip] %}
{% elif dns_mode in ['coredns'] %}
{% set kubelet_cluster_dns = [skydns_server] %}
{% elif dns_mode == 'coredns_dual' %}
{% set kubelet_cluster_dns = [skydns_server,skydns_server_secondary] %}
{% elif dns_mode == 'manual' %}
{% set kubelet_cluster_dns = [manual_dns_server] %}
{% else %}
{% set kubelet_cluster_dns = [] %}
{% endif %}
---
apiVersion: kubelet.config.k8s.io/v1beta1
kind: KubeletConfiguration
clusterDNS:
{% for dns_address in kubelet_cluster_dns %}
- {{ dns_address }}
{% endfor %}
{% if kubelet_feature_gates or kube_feature_gates %}
{% set feature_gates = ( kubelet_feature_gates | default(kube_feature_gates, true) ) %}
featureGates:
{% for feature in feature_gates %}
{{ feature | replace("=", ": ") }}
{% endfor %}
{% endif %}