--- # Use proxycommand if bastion host is in group all # This change obseletes editing ansible.cfg file depending on bastion existence ansible_ssh_common_args: "{% if 'bastion' in groups['all'] %} -o ProxyCommand='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -W %h:%p {{ hostvars['bastion']['ansible_user'] }}@{{ hostvars['bastion']['ansible_host'] }} {% if ansible_ssh_private_key_file is defined %}-i {{ ansible_ssh_private_key_file }}{% endif %} ' {% endif %}" # selinux state preinstall_selinux_state: permissive kube_api_anonymous_auth: true # Default value, but will be set to true automatically if detected is_fedora_coreos: false # optional disable the swap disable_swap: true ## Change this to use another Kubernetes version, e.g. a current beta release kube_version: v1.20.5 ## The minimum version working kube_version_min_required: v1.18.0 ## Kube Proxy mode One of ['iptables','ipvs'] kube_proxy_mode: ipvs ## List of kubeadm init phases that should be skipped during control plane setup ## By default 'addon/coredns' is skipped ## 'addon/kube-proxy' gets skipped for some network plugins kubeadm_init_phases_skip_default: [ "addon/coredns" ] kubeadm_init_phases_skip: >- {%- if kube_network_plugin == 'kube-router' and (kube_router_run_service_proxy is defined and kube_router_run_service_proxy) -%} {{ kubeadm_init_phases_skip_default }} + [ "addon/kube-proxy" ] {%- elif kube_network_plugin == 'cilium' and (cilium_kube_proxy_replacement is defined and cilium_kube_proxy_replacement == 'strict') -%} {{ kubeadm_init_phases_skip_default }} + [ "addon/kube-proxy" ] {%- elif kube_proxy_remove is defined and kube_proxy_remove -%} {{ kubeadm_init_phases_skip_default }} + [ "addon/kube-proxy" ] {%- else -%} {{ kubeadm_init_phases_skip_default }} {%- endif -%} # A string slice of values which specify the addresses to use for NodePorts. # Values may be valid IP blocks (e.g. 1.2.3.0/24, 1.2.3.4/32). # The default empty string slice ([]) means to use all local addresses. # kube_proxy_nodeport_addresses_cidr is retained for legacy config kube_proxy_nodeport_addresses: >- {%- if kube_proxy_nodeport_addresses_cidr is defined -%} [{{ kube_proxy_nodeport_addresses_cidr }}] {%- else -%} [] {%- endif -%} # Set to true to allow pre-checks to fail and continue deployment ignore_assert_errors: false # nginx-proxy configure nginx_config_dir: "/etc/nginx" # haproxy configure haproxy_config_dir: "/etc/haproxy" # Directory where the binaries will be installed bin_dir: /usr/local/bin docker_bin_dir: /usr/bin containerd_bin_dir: /usr/bin etcd_data_dir: /var/lib/etcd # Where the binaries will be downloaded. # Note: ensure that you've enough disk space (about 1G) local_release_dir: "/tmp/releases" # Random shifts for retrying failed ops like pushing/downloading retry_stagger: 5 # Install epel repo on Centos/RHEL epel_enabled: false # DNS configuration. # Kubernetes cluster name, also will be used as DNS domain cluster_name: cluster.local # Subdomains of DNS domain to be resolved via /etc/resolv.conf for hostnet pods ndots: 2 # Default resolv.conf options docker_dns_options: - ndots:{{ ndots }} - timeout:2 - attempts:2 # Can be coredns, coredns_dual, manual, or none dns_mode: coredns # Enable nodelocal dns cache enable_nodelocaldns: true nodelocaldns_ip: 169.254.25.10 nodelocaldns_health_port: 9254 # Should be set to a cluster IP if using a custom cluster DNS manual_dns_server: "" # Can be docker_dns, host_resolvconf or none resolvconf_mode: docker_dns # Deploy netchecker app to verify DNS resolve as an HTTP service deploy_netchecker: false # Ip address of the kubernetes DNS service (called skydns for historical reasons) skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}" skydns_server_secondary: "{{ kube_service_addresses|ipaddr('net')|ipaddr(4)|ipaddr('address') }}" dns_domain: "{{ cluster_name }}" docker_dns_search_domains: - 'default.svc.{{ dns_domain }}' - 'svc.{{ dns_domain }}' kube_dns_servers: coredns: ["{{skydns_server}}"] coredns_dual: "{{[skydns_server] + [ skydns_server_secondary ]}}" manual: ["{{manual_dns_server}}"] dns_servers: "{{kube_dns_servers[dns_mode]}}" enable_coredns_k8s_external: false coredns_k8s_external_zone: k8s_external.local enable_coredns_k8s_endpoint_pod_names: false # Kubernetes configuration dirs and system namespace. # Those are where all the additional config stuff goes # the kubernetes normally puts in /srv/kubernetes. # This puts them in a sane location and namespace. # Editing those values will almost surely break something. kube_config_dir: /etc/kubernetes kube_script_dir: "{{ bin_dir }}/kubernetes-scripts" kube_manifest_dir: "{{ kube_config_dir }}/manifests" # This is where all the cert scripts and certs will be located kube_cert_dir: "{{ kube_config_dir }}/ssl" # compatibility directory for kubeadm kube_cert_compat_dir: "/etc/kubernetes/pki" # This is where all of the bearer tokens will be stored kube_token_dir: "{{ kube_config_dir }}/tokens" # This is the group that the cert creation scripts chgrp the # cert files to. Not really changeable... kube_cert_group: kube-cert # Cluster Loglevel configuration kube_log_level: 2 # Choose network plugin (cilium, calico, weave or flannel) # Can also be set to 'cloud', which lets the cloud provider setup appropriate routing kube_network_plugin: calico kube_network_plugin_multus: false # Determines if calico-rr group exists peer_with_calico_rr: "{{ 'calico-rr' in groups and groups['calico-rr']|length > 0 }}" # Choose data store type for calico: "etcd" or "kdd" (kubernetes datastore) calico_datastore: "kdd" # Kubernetes internal network for services, unused block of space. kube_service_addresses: 10.233.0.0/18 # internal network. When used, it will assign IP # addresses from this range to individual pods. # This network must be unused in your network infrastructure! kube_pods_subnet: 10.233.64.0/18 # internal network node size allocation (optional). This is the size allocated # to each node for pod IP address allocation. Note that the number of pods per node is # also limited by the kubelet_max_pods variable which defaults to 110. # # Example: # Up to 64 nodes and up to 254 or kubelet_max_pods (the lowest of the two) pods per node: # - kube_pods_subnet: 10.233.64.0/18 # - kube_network_node_prefix: 24 # - kubelet_max_pods: 110 # # Example: # Up to 128 nodes and up to 126 or kubelet_max_pods (the lowest of the two) pods per node: # - kube_pods_subnet: 10.233.64.0/18 # - kube_network_node_prefix: 25 # - kubelet_max_pods: 110 kube_network_node_prefix: 24 # Configure Dual Stack networking (i.e. both IPv4 and IPv6) enable_dual_stack_networks: false # Kubernetes internal network for IPv6 services, unused block of space. # This is only used if enable_dual_stack_networks is set to true # This provides 4096 IPv6 IPs kube_service_addresses_ipv6: fd85:ee78:d8a6:8607::1000/116 # Internal network. When used, it will assign IPv6 addresses from this range to individual pods. # This network must not already be in your network infrastructure! # This is only used if enable_dual_stack_networks is set to true. # This provides room for 256 nodes with 254 pods per node. kube_pods_subnet_ipv6: fd85:ee78:d8a6:8607::1:0000/112 # IPv6 subnet size allocated to each for pods. # This is only used if enable_dual_stack_networks is set to true # This provides room for 254 pods per node. kube_network_node_prefix_ipv6: 120 # The virtual cluster IP, real host IPs and ports the API Server will be # listening on. # NOTE: loadbalancer_apiserver_localhost somewhat alters the final API enpdoint # access IP value (automatically evaluated below) kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}" kube_apiserver_bind_address: 0.0.0.0 # https kube_apiserver_port: 6443 # http kube_apiserver_insecure_bind_address: 127.0.0.1 kube_apiserver_insecure_port: 0 # If non-empty, will use this string as identification instead of the actual hostname kube_override_hostname: >- {%- if cloud_provider is defined and cloud_provider in [ 'aws' ] -%} {%- else -%} {{ inventory_hostname }} {%- endif -%} # dynamic kubelet configuration dynamic_kubelet_configuration: false # define kubelet config dir for dynamic kubelet # kubelet_config_dir: default_kubelet_config_dir: "{{ kube_config_dir }}/dynamic_kubelet_dir" dynamic_kubelet_configuration_dir: "{{ kubelet_config_dir | default(default_kubelet_config_dir) }}" # Aggregator kube_api_aggregator_routing: false # Profiling kube_profiling: false # Container for runtime container_manager: docker # Enable Kata Containers as additional container runtime # When enabled, it requires `container_manager` different than Docker kata_containers_enabled: false # Enable crun as additional container runtime # When enabled, it requires container_manager=crio crun_enabled: false # Container on localhost (download images when download_localhost is true) container_manager_on_localhost: "{{ container_manager }}" # CRI socket path cri_socket: >- {%- if container_manager == 'crio' -%} /var/run/crio/crio.sock {%- elif container_manager == 'containerd' -%} /var/run/containerd/containerd.sock {%- else -%} /var/run/dockershim.sock {%- endif -%} ## Uncomment this if you want to force overlay/overlay2 as docker storage driver ## Please note that overlay2 is only supported on newer kernels # docker_storage_options: -s overlay2 ## Enable docker_container_storage_setup, it will configure devicemapper driver on Centos7 or RedHat7. docker_container_storage_setup: false ## It must be define a disk path for docker_container_storage_setup_devs. ## Otherwise docker-storage-setup will be executed incorrectly. # docker_container_storage_setup_devs: /dev/vdb ## Uncomment this if you have more than 3 nameservers, then we'll only use the first 3. docker_dns_servers_strict: false # Path used to store Docker data docker_daemon_graph: "/var/lib/docker" ## Used to set docker daemon iptables options to true docker_iptables_enabled: "false" # Docker log options # Rotate container stderr/stdout logs at 50m and keep last 5 docker_log_opts: "--log-opt max-size=50m --log-opt max-file=5" ## A list of insecure docker registries (IP address or domain name), for example ## to allow insecure-registry access to self-hosted registries. Empty by default. # docker_insecure_registries: # - mirror.registry.io # - 172.19.16.11 docker_insecure_registries: [] ## A list of additional registry mirrors, for example China registry mirror. Empty by default. # docker_registry_mirrors: # - https://registry.docker-cn.com # - https://mirror.aliyuncs.com docker_registry_mirrors: [] ## If non-empty will override default system MounFlags value. ## This option takes a mount propagation flag: shared, slave ## or private, which control whether mounts in the file system ## namespace set up for docker will receive or propagate mounts ## and unmounts. Leave empty for system default # docker_mount_flags: ## A string of extra options to pass to the docker daemon. # docker_options: "" ## A list of plugins to install using 'docker plugin install --grant-all-permissions' ## Empty by default so no plugins will be installed. docker_plugins: [] # Experimental kubeadm etcd deployment mode. Available only for new deployment etcd_kubeadm_enabled: false # Containerd options containerd_use_systemd_cgroup: false # Settings for containerized control plane (etcd/kubelet/secrets) # deployment type for legacy etcd mode etcd_deployment_type: docker cert_management: script # Make a copy of kubeconfig on the host that runs Ansible in {{ inventory_dir }}/artifacts kubeconfig_localhost: false # Download kubectl onto the host that runs Ansible in {{ bin_dir }} kubectl_localhost: false # Define credentials_dir here so it can be overridden credentials_dir: "{{ inventory_dir }}/credentials" # K8s image pull policy (imagePullPolicy) k8s_image_pull_policy: IfNotPresent # Kubernetes dashboard # RBAC required. see docs/getting-started.md for access details. dashboard_enabled: false # Addons which can be enabled helm_enabled: false registry_enabled: false metrics_server_enabled: false enable_network_policy: true local_path_provisioner_enabled: false local_volume_provisioner_enabled: false local_volume_provisioner_directory_mode: 0700 cinder_csi_enabled: false aws_ebs_csi_enabled: false azure_csi_enabled: false gcp_pd_csi_enabled: false vsphere_csi_enabled: false persistent_volumes_enabled: false cephfs_provisioner_enabled: false rbd_provisioner_enabled: false ingress_nginx_enabled: false ingress_ambassador_enabled: false ingress_alb_enabled: false cert_manager_enabled: false expand_persistent_volumes: false metallb_enabled: false ## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (Fixed in 1.9: https://github.com/kubernetes/kubernetes/issues/50461) # openstack_blockstorage_version: "v1/v2/auto (default)" openstack_blockstorage_ignore_volume_az: "{{ volume_cross_zone_attachment | default('false') }}" # set max volumes per node (cinder-csi), default not set # node_volume_attach_limit: 25 # Cinder CSI topology, when false volumes can be cross-mounted between availability zones # cinder_topology: false # Set Cinder topology zones (can be multiple zones, default not set) # cinder_topology_zones: # - nova ## When OpenStack is used, if LBaaSv2 is available you can enable it with the following 2 variables. openstack_lbaas_enabled: false # openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP" ## To enable automatic floating ip provisioning, specify a subnet. # openstack_lbaas_floating_network_id: "Neutron network ID (not subnet ID) to get floating IP from, disabled by default" ## Override default LBaaS behavior # openstack_lbaas_use_octavia: False # openstack_lbaas_method: "ROUND_ROBIN" # openstack_lbaas_provider: "haproxy" openstack_lbaas_create_monitor: "yes" openstack_lbaas_monitor_delay: "1m" openstack_lbaas_monitor_timeout: "30s" openstack_lbaas_monitor_max_retries: "3" openstack_cacert: "{{ lookup('env','OS_CACERT') }}" # Default values for the external OpenStack Cloud Controller external_openstack_lbaas_create_monitor: false external_openstack_lbaas_monitor_delay: "1m" external_openstack_lbaas_monitor_timeout: "30s" external_openstack_lbaas_monitor_max_retries: "3" external_openstack_network_ipv6_disabled: false external_openstack_lbaas_use_octavia: false external_openstack_network_internal_networks: [] external_openstack_network_public_networks: [] ## List of authorization modes that must be configured for ## the k8s cluster. Only 'AlwaysAllow', 'AlwaysDeny', 'Node' and ## 'RBAC' modes are tested. Order is important. authorization_modes: ['Node', 'RBAC'] rbac_enabled: "{{ 'RBAC' in authorization_modes }}" # When enabled, API bearer tokens (including service account tokens) can be used to authenticate to the kubelet's HTTPS endpoint kubelet_authentication_token_webhook: true # When enabled, access to the kubelet API requires authorization by delegation to the API server kubelet_authorization_mode_webhook: true # kubelet uses certificates for authenticating to the Kubernetes API # Automatically generate a new key and request a new certificate from the Kubernetes API as the current certificate approaches expiration kubelet_rotate_certificates: true # kubelet can also request a new server certificate from the Kubernetes API kubelet_rotate_server_certificates: false # If set to true, kubelet errors if any of kernel tunables is different than kubelet defaults kubelet_protect_kernel_defaults: true ## List of key=value pairs that describe feature gates for ## the k8s cluster. kube_feature_gates: [] # Local volume provisioner storage classes # Levarages Ansibles string to Python datatype casting. Otherwise the dict_key isn't substituted # see https://github.com/ansible/ansible/issues/17324 local_volume_provisioner_storage_classes: | { "{{ local_volume_provisioner_storage_class | default('local-storage') }}": { "host_dir": "{{ local_volume_provisioner_base_dir | default ('/mnt/disks') }}", "mount_dir": "{{ local_volume_provisioner_mount_dir | default('/mnt/disks') }}", "volume_mode": "Filesystem", "fs_type": "ext4" } } # weave's network password for encryption # if null then no network encryption # you can use --extra-vars to pass the password in command line weave_password: EnterPasswordHere ssl_ca_dirs: |- [ {% if ansible_os_family in ['Flatcar Container Linux by Kinvolk'] -%} '/usr/share/ca-certificates', {% elif ansible_os_family == 'RedHat' -%} '/etc/pki/tls', '/etc/pki/ca-trust', {% elif ansible_os_family == 'Debian' -%} '/usr/share/ca-certificates', {% endif -%} ] # Vars for pointing to kubernetes api endpoints is_kube_master: "{{ inventory_hostname in groups['kube-master'] }}" kube_apiserver_count: "{{ groups['kube-master'] | length }}" kube_apiserver_address: "{{ ip | default(fallback_ips[inventory_hostname]) }}" kube_apiserver_access_address: "{{ access_ip | default(kube_apiserver_address) }}" first_kube_master: "{{ hostvars[groups['kube-master'][0]]['access_ip'] | default(hostvars[groups['kube-master'][0]]['ip'] | default(fallback_ips[groups['kube-master'][0]])) }}" loadbalancer_apiserver_localhost: "{{ loadbalancer_apiserver is not defined }}" loadbalancer_apiserver_type: "nginx" # applied if only external loadbalancer_apiserver is defined, otherwise ignored apiserver_loadbalancer_domain_name: "lb-apiserver.kubernetes.local" kube_apiserver_global_endpoint: |- {% if loadbalancer_apiserver is defined -%} https://{{ apiserver_loadbalancer_domain_name }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }} {%- elif use_localhost_as_kubeapi_loadbalancer|default(False)|bool -%} https://127.0.0.1:{{ kube_apiserver_port }} {%- else -%} https://{{ first_kube_master }}:{{ kube_apiserver_port }} {%- endif %} kube_apiserver_endpoint: |- {% if loadbalancer_apiserver is defined -%} https://{{ apiserver_loadbalancer_domain_name }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }} {%- elif not is_kube_master and loadbalancer_apiserver_localhost -%} https://localhost:{{ loadbalancer_apiserver_port|default(kube_apiserver_port) }} {%- elif is_kube_master -%} https://{{ kube_apiserver_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_port }} {%- else -%} https://{{ first_kube_master }}:{{ kube_apiserver_port }} {%- endif %} kube_apiserver_insecure_endpoint: >- http://{{ kube_apiserver_insecure_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_insecure_port }} kube_apiserver_client_cert: "{{ kube_cert_dir }}/ca.crt" kube_apiserver_client_key: "{{ kube_cert_dir }}/ca.key" # Set to true to deploy etcd-events cluster etcd_events_cluster_enabled: false # etcd group can be empty when kubeadm manages etcd etcd_hosts: "{{ groups['etcd'] | default(groups['kube-master']) }}" # Vars for pointing to etcd endpoints is_etcd_master: "{{ inventory_hostname in groups['etcd'] }}" etcd_address: "{{ ip | default(fallback_ips[inventory_hostname]) }}" etcd_access_address: "{{ access_ip | default(etcd_address) }}" etcd_events_access_address: "{{ access_ip | default(etcd_address) }}" etcd_peer_url: "https://{{ etcd_access_address }}:2380" etcd_client_url: "https://{{ etcd_access_address }}:2379" etcd_events_peer_url: "https://{{ etcd_events_access_address }}:2382" etcd_events_client_url: "https://{{ etcd_events_access_address }}:2381" etcd_access_addresses: |- {% for item in etcd_hosts -%} https://{{ hostvars[item]['etcd_access_address'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }}:2379{% if not loop.last %},{% endif %} {%- endfor %} etcd_events_access_addresses_list: |- [ {% for item in etcd_hosts -%} 'https://{{ hostvars[item]['etcd_events_access_address'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }}:2381'{% if not loop.last %},{% endif %} {%- endfor %} ] etcd_events_access_addresses: "{{etcd_events_access_addresses_list | join(',')}}" etcd_events_access_addresses_semicolon: "{{etcd_events_access_addresses_list | join(';')}}" # user should set etcd_member_name in inventory/mycluster/hosts.ini etcd_member_name: |- {% for host in groups['etcd'] %} {% if inventory_hostname == host %}{{ hostvars[host].etcd_member_name | default("etcd" + loop.index|string) }}{% endif %} {% endfor %} etcd_peer_addresses: |- {% for item in groups['etcd'] -%} {{ hostvars[item].etcd_member_name | default("etcd" + loop.index|string) }}=https://{{ hostvars[item].etcd_access_address | default(hostvars[item].ip | default(fallback_ips[item])) }}:2380{% if not loop.last %},{% endif %} {%- endfor %} etcd_events_peer_addresses: |- {% for item in groups['etcd'] -%} {{ hostvars[item].etcd_member_name | default("etcd" + loop.index|string) }}-events=https://{{ hostvars[item].etcd_events_access_address | default(hostvars[item].ip | default(fallback_ips[item])) }}:2382{% if not loop.last %},{% endif %} {%- endfor %} podsecuritypolicy_enabled: false etcd_heartbeat_interval: "250" etcd_election_timeout: "5000" etcd_snapshot_count: "10000" certificates_key_size: 2048 certificates_duration: 36500 etcd_config_dir: /etc/ssl/etcd etcd_events_data_dir: "/var/lib/etcd-events" etcd_cert_dir: "{{ etcd_config_dir }}/ssl" typha_enabled: false _host_architecture_groups: x86_64: amd64 aarch64: arm64 armv7l: arm host_architecture: >- {%- if ansible_architecture in _host_architecture_groups -%} {{ _host_architecture_groups[ansible_architecture] }} {%- else -%} {{ ansible_architecture }} {%- endif -%} # Sets the eventRecordQPS parameter in kubelet-config.yaml. The default value is 5 (see types.go) # Setting it to 0 allows unlimited requests per second. kubelet_event_record_qps: 5 proxy_env: http_proxy: "{{ http_proxy | default ('') }}" HTTP_PROXY: "{{ http_proxy | default ('') }}" https_proxy: "{{ https_proxy | default ('') }}" HTTPS_PROXY: "{{ https_proxy | default ('') }}" no_proxy: "{{ no_proxy | default ('') }}" NO_PROXY: "{{ no_proxy | default ('') }}" proxy_disable_env: ALL_PROXY: '' FTP_PROXY: '' HTTPS_PROXY: '' HTTP_PROXY: '' NO_PROXY: '' all_proxy: '' ftp_proxy: '' http_proxy: '' https_proxy: '' no_proxy: ''