319 lines
13 KiB
YAML
319 lines
13 KiB
YAML
---
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# Kubernetes configuration dirs and system namespace.
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# Those are where all the additional config stuff goes
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# the kubernetes normally puts in /srv/kubernetes.
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# This puts them in a same location and namespace.
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# Editing those values will almost surely break something.
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kube_config_dir: /etc/kubernetes
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kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"
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kube_manifest_dir: "{{ kube_config_dir }}/manifests"
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# This is where all the cert scripts and certs will be located
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kube_cert_dir: "{{ kube_config_dir }}/ssl"
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# This is where all of the bearer tokens will be stored
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kube_token_dir: "{{ kube_config_dir }}/tokens"
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kube_api_anonymous_auth: true
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## Change this to use another Kubernetes version, e.g. a current beta release
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kube_version: v1.21.6
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# Where the binaries will be downloaded.
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# Note: ensure that you've enough disk space (about 1G)
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local_release_dir: "/tmp/releases"
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# Random shifts for retrying failed ops like pushing/downloading
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retry_stagger: 5
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# This is the group that the cert creation scripts chgrp the
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# cert files to. Not really changeable...
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kube_cert_group: kube-cert
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# Cluster Loglevel configuration
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kube_log_level: 2
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# Directory where credentials will be stored
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credentials_dir: "{{ inventory_dir }}/credentials"
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## It is possible to activate / deactivate selected authentication methods (oidc, static token auth)
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# kube_oidc_auth: false
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# kube_token_auth: false
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## Variables for OpenID Connect Configuration https://kubernetes.io/docs/admin/authentication/
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## To use OpenID you have to deploy additional an OpenID Provider (e.g Dex, Keycloak, ...)
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# kube_oidc_url: https:// ...
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# kube_oidc_client_id: kubernetes
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## Optional settings for OIDC
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# kube_oidc_ca_file: "{{ kube_cert_dir }}/ca.pem"
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# kube_oidc_username_claim: sub
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# kube_oidc_username_prefix: 'oidc:'
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# kube_oidc_groups_claim: groups
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# kube_oidc_groups_prefix: 'oidc:'
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## Variables to control webhook authn/authz
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# kube_webhook_token_auth: false
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# kube_webhook_token_auth_url: https://...
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# kube_webhook_token_auth_url_skip_tls_verify: false
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## For webhook authorization, authorization_modes must include Webhook
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# kube_webhook_authorization: false
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# kube_webhook_authorization_url: https://...
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# kube_webhook_authorization_url_skip_tls_verify: false
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# Choose network plugin (cilium, calico, weave or flannel. Use cni for generic cni plugin)
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# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
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kube_network_plugin: weave
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# Setting multi_networking to true will install Multus: https://github.com/intel/multus-cni
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kube_network_plugin_multus: false
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# Kubernetes internal network for services, unused block of space.
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kube_service_addresses: 10.233.0.0/18
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# internal network. When used, it will assign IP
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# addresses from this range to individual pods.
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# This network must be unused in your network infrastructure!
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kube_pods_subnet: 10.233.64.0/18
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# internal network node size allocation (optional). This is the size allocated
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# to each node for pod IP address allocation. Note that the number of pods per node is
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# also limited by the kubelet_max_pods variable which defaults to 110.
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#
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# Example:
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# Up to 64 nodes and up to 254 or kubelet_max_pods (the lowest of the two) pods per node:
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# - kube_pods_subnet: 10.233.64.0/18
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# - kube_network_node_prefix: 24
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# - kubelet_max_pods: 110
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#
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# Example:
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# Up to 128 nodes and up to 126 or kubelet_max_pods (the lowest of the two) pods per node:
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# - kube_pods_subnet: 10.233.64.0/18
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# - kube_network_node_prefix: 25
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# - kubelet_max_pods: 110
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kube_network_node_prefix: 24
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# Configure Dual Stack networking (i.e. both IPv4 and IPv6)
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enable_dual_stack_networks: false
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# Kubernetes internal network for IPv6 services, unused block of space.
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# This is only used if enable_dual_stack_networks is set to true
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# This provides 4096 IPv6 IPs
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kube_service_addresses_ipv6: fd85:ee78:d8a6:8607::1000/116
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# Internal network. When used, it will assign IPv6 addresses from this range to individual pods.
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# This network must not already be in your network infrastructure!
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# This is only used if enable_dual_stack_networks is set to true.
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# This provides room for 256 nodes with 254 pods per node.
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kube_pods_subnet_ipv6: fd85:ee78:d8a6:8607::1:0000/112
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# IPv6 subnet size allocated to each for pods.
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# This is only used if enable_dual_stack_networks is set to true
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# This provides room for 254 pods per node.
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kube_network_node_prefix_ipv6: 120
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# The port the API Server will be listening on.
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kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
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kube_apiserver_port: 6443 # (https)
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# kube_apiserver_insecure_port: 8080 # (http)
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# Set to 0 to disable insecure port - Requires RBAC in authorization_modes and kube_api_anonymous_auth: true
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kube_apiserver_insecure_port: 0 # (disabled)
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# Kube-proxy proxyMode configuration.
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# Can be ipvs, iptables
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kube_proxy_mode: ipvs
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# configure arp_ignore and arp_announce to avoid answering ARP queries from kube-ipvs0 interface
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# must be set to true for MetalLB to work
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kube_proxy_strict_arp: false
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# A string slice of values which specify the addresses to use for NodePorts.
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# Values may be valid IP blocks (e.g. 1.2.3.0/24, 1.2.3.4/32).
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# The default empty string slice ([]) means to use all local addresses.
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# kube_proxy_nodeport_addresses_cidr is retained for legacy config
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kube_proxy_nodeport_addresses: >-
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{%- if kube_proxy_nodeport_addresses_cidr is defined -%}
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[{{ kube_proxy_nodeport_addresses_cidr }}]
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{%- else -%}
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[]
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{%- endif -%}
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# If non-empty, will use this string as identification instead of the actual hostname
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# kube_override_hostname: >-
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# {%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%}
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# {%- else -%}
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# {{ inventory_hostname }}
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# {%- endif -%}
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## Encrypting Secret Data at Rest (experimental)
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kube_encrypt_secret_data: false
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# Graceful Node Shutdown (Kubernetes >= 1.21.0), see https://kubernetes.io/blog/2021/04/21/graceful-node-shutdown-beta/
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# kubelet_shutdown_grace_period: 60s
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# kubelet_shutdown_grace_period_critical_pods: 20s
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# DNS configuration.
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# Kubernetes cluster name, also will be used as DNS domain
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cluster_name: cloud.local
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# Subdomains of DNS domain to be resolved via /etc/resolv.conf for hostnet pods
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ndots: 2
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# Can be coredns, coredns_dual, manual or none
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dns_mode: coredns
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# Set manual server if using a custom cluster DNS server
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# manual_dns_server: 10.x.x.x
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# Enable nodelocal dns cache
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enable_nodelocaldns: true
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nodelocaldns_ip: 169.254.25.10
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nodelocaldns_health_port: 9254
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nodelocaldns_bind_metrics_host_ip: false
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# nodelocaldns_external_zones:
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# - zones:
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# - example.com
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# - example.io:1053
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# nameservers:
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# - 1.1.1.1
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# - 2.2.2.2
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# cache: 5
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# - zones:
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# - https://mycompany.local:4453
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# nameservers:
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# - 192.168.0.53
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# cache: 0
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# Enable k8s_external plugin for CoreDNS
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enable_coredns_k8s_external: false
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coredns_k8s_external_zone: k8s_external.local
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# Enable endpoint_pod_names option for kubernetes plugin
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enable_coredns_k8s_endpoint_pod_names: false
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# Can be docker_dns, host_resolvconf or none
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resolvconf_mode: docker_dns
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# Deploy netchecker app to verify DNS resolve as an HTTP service
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deploy_netchecker: false
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# Ip address of the kubernetes skydns service
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skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}"
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skydns_server_secondary: "{{ kube_service_addresses|ipaddr('net')|ipaddr(4)|ipaddr('address') }}"
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dns_domain: "{{ cluster_name }}"
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## Container runtime
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## docker for docker, crio for cri-o and containerd for containerd.
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container_manager: containerd
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# Additional container runtimes
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kata_containers_enabled: false
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kubeadm_certificate_key: "{{ lookup('password', credentials_dir + '/kubeadm_certificate_key.creds length=64 chars=hexdigits') | lower }}"
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# K8s image pull policy (imagePullPolicy)
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k8s_image_pull_policy: IfNotPresent
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# audit log for kubernetes
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kubernetes_audit: false
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# dynamic kubelet configuration
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# Note: Feature DynamicKubeletConfig is deprecated in 1.22 and will not move to GA.
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# It is planned to be removed from Kubernetes in the version 1.23.
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# Please use alternative ways to update kubelet configuration.
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dynamic_kubelet_configuration: false
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# define kubelet config dir for dynamic kubelet
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# kubelet_config_dir:
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default_kubelet_config_dir: "{{ kube_config_dir }}/dynamic_kubelet_dir"
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dynamic_kubelet_configuration_dir: "{{ kubelet_config_dir | default(default_kubelet_config_dir) }}"
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# pod security policy (RBAC must be enabled either by having 'RBAC' in authorization_modes or kubeadm enabled)
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podsecuritypolicy_enabled: false
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# Custom PodSecurityPolicySpec for restricted policy
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# podsecuritypolicy_restricted_spec: {}
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# Custom PodSecurityPolicySpec for privileged policy
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# podsecuritypolicy_privileged_spec: {}
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# Make a copy of kubeconfig on the host that runs Ansible in {{ inventory_dir }}/artifacts
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# kubeconfig_localhost: false
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# Download kubectl onto the host that runs Ansible in {{ bin_dir }}
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# kubectl_localhost: false
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# A comma separated list of levels of node allocatable enforcement to be enforced by kubelet.
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# Acceptable options are 'pods', 'system-reserved', 'kube-reserved' and ''. Default is "".
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# kubelet_enforce_node_allocatable: pods
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## Optionally reserve resources for OS system daemons.
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# system_reserved: true
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## Uncomment to override default values
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# system_memory_reserved: 512Mi
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# system_cpu_reserved: 500m
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## Reservation for master hosts
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# system_master_memory_reserved: 256Mi
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# system_master_cpu_reserved: 250m
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# An alternative flexvolume plugin directory
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# kubelet_flexvolumes_plugins_dir: /usr/libexec/kubernetes/kubelet-plugins/volume/exec
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## Supplementary addresses that can be added in kubernetes ssl keys.
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## That can be useful for example to setup a keepalived virtual IP
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# supplementary_addresses_in_ssl_keys: [10.0.0.1, 10.0.0.2, 10.0.0.3]
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## Running on top of openstack vms with cinder enabled may lead to unschedulable pods due to NoVolumeZoneConflict restriction in kube-scheduler.
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## See https://github.com/kubernetes-sigs/kubespray/issues/2141
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## Set this variable to true to get rid of this issue
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volume_cross_zone_attachment: false
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## Add Persistent Volumes Storage Class for corresponding cloud provider (supported: in-tree OpenStack, Cinder CSI,
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## AWS EBS CSI, Azure Disk CSI, GCP Persistent Disk CSI)
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persistent_volumes_enabled: false
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## Container Engine Acceleration
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## Enable container acceleration feature, for example use gpu acceleration in containers
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# nvidia_accelerator_enabled: true
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## Nvidia GPU driver install. Install will by done by a (init) pod running as a daemonset.
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## Important: if you use Ubuntu then you should set in all.yml 'docker_storage_options: -s overlay2'
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## Array with nvida_gpu_nodes, leave empty or comment if you don't want to install drivers.
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## Labels and taints won't be set to nodes if they are not in the array.
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# nvidia_gpu_nodes:
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# - kube-gpu-001
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# nvidia_driver_version: "384.111"
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## flavor can be tesla or gtx
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# nvidia_gpu_flavor: gtx
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## NVIDIA driver installer images. Change them if you have trouble accessing gcr.io.
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# nvidia_driver_install_centos_container: atzedevries/nvidia-centos-driver-installer:2
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# nvidia_driver_install_ubuntu_container: gcr.io/google-containers/ubuntu-nvidia-driver-installer@sha256:7df76a0f0a17294e86f691c81de6bbb7c04a1b4b3d4ea4e7e2cccdc42e1f6d63
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## NVIDIA GPU device plugin image.
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# nvidia_gpu_device_plugin_container: "k8s.gcr.io/nvidia-gpu-device-plugin@sha256:0842734032018be107fa2490c98156992911e3e1f2a21e059ff0105b07dd8e9e"
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## Support tls min version, Possible values: VersionTLS10, VersionTLS11, VersionTLS12, VersionTLS13.
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# tls_min_version: ""
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## Support tls cipher suites.
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# tls_cipher_suites: {}
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# - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
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# - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
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# - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
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# - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
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# - TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
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# - TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305
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# - TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
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# - TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
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# - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
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# - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
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# - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
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# - TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
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# - TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
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# - TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305
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# - TLS_ECDHE_RSA_WITH_RC4_128_SHA
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# - TLS_RSA_WITH_3DES_EDE_CBC_SHA
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# - TLS_RSA_WITH_AES_128_CBC_SHA
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# - TLS_RSA_WITH_AES_128_CBC_SHA256
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# - TLS_RSA_WITH_AES_128_GCM_SHA256
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# - TLS_RSA_WITH_AES_256_CBC_SHA
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# - TLS_RSA_WITH_AES_256_GCM_SHA384
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# - TLS_RSA_WITH_RC4_128_SHA
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## Amount of time to retain events. (default 1h0m0s)
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event_ttl_duration: "1h0m0s"
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## Automatically renew K8S control plane certificates on first Monday of each month
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auto_renew_certificates: false
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# First Monday of each month
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# auto_renew_certificates_systemd_calendar: "Mon *-*-1,2,3,4,5,6,7 03:{{ groups['kube_control_plane'].index(inventory_hostname) }}0:00"
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