266 lines
9.5 KiB
YAML
266 lines
9.5 KiB
YAML
# 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"
|
|
|
|
# This is where all of the bearer tokens will be stored
|
|
kube_token_dir: "{{ kube_config_dir }}/tokens"
|
|
|
|
# This is where to save basic auth file
|
|
kube_users_dir: "{{ kube_config_dir }}/users"
|
|
|
|
kube_api_anonymous_auth: true
|
|
|
|
## Change this to use another Kubernetes version, e.g. a current beta release
|
|
kube_version: v1.11.2
|
|
|
|
# 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
|
|
|
|
# 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
|
|
|
|
# Users to create for basic auth in Kubernetes API via HTTP
|
|
# Optionally add groups for user
|
|
kube_api_pwd: "{{ lookup('password', inventory_dir + '/credentials/kube_user.creds length=15 chars=ascii_letters,digits') }}"
|
|
kube_users:
|
|
kube:
|
|
pass: "{{kube_api_pwd}}"
|
|
role: admin
|
|
groups:
|
|
- system:masters
|
|
|
|
## It is possible to activate / deactivate selected authentication methods (basic auth, static token auth)
|
|
#kube_oidc_auth: false
|
|
#kube_basic_auth: false
|
|
#kube_token_auth: false
|
|
|
|
|
|
## Variables for OpenID Connect Configuration https://kubernetes.io/docs/admin/authentication/
|
|
## To use OpenID you have to deploy additional an OpenID Provider (e.g Dex, Keycloak, ...)
|
|
|
|
# kube_oidc_url: https:// ...
|
|
# kube_oidc_client_id: kubernetes
|
|
## Optional settings for OIDC
|
|
# kube_oidc_ca_file: {{ kube_cert_dir }}/ca.pem
|
|
# kube_oidc_username_claim: sub
|
|
# kube_oidc_username_prefix: oidc:
|
|
# kube_oidc_groups_claim: groups
|
|
# kube_oidc_groups_prefix: oidc:
|
|
|
|
|
|
# Choose network plugin (cilium, calico, contiv, weave or flannel)
|
|
# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
|
|
kube_network_plugin: calico
|
|
|
|
# Weave deployment
|
|
# weave_password: ~
|
|
# weave_checkpoint_disable: false
|
|
# weave_conn_limit: 100
|
|
# weave_hairpin_mode: true
|
|
# weave_ipalloc_range: {{ kube_pods_subnet }}
|
|
# weave_expect_npc: {{ enable_network_policy }}
|
|
# weave_kube_peers: ~
|
|
# weave_ipalloc_init: ~
|
|
# weave_expose_ip: ~
|
|
# weave_metrics_addr: ~
|
|
# weave_status_addr: ~
|
|
# weave_mtu: 1376
|
|
# weave_no_masq_local: true
|
|
# weave_extra_args: ~
|
|
|
|
# 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 on your network. With these defaults you should have
|
|
# room for 4096 nodes with 254 pods per node.
|
|
kube_network_node_prefix: 24
|
|
|
|
# The port the API Server will be listening on.
|
|
kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
|
|
kube_apiserver_port: 6443 # (https)
|
|
kube_apiserver_insecure_port: 8080 # (http)
|
|
# Set to 0 to disable insecure port - Requires RBAC in authorization_modes and kube_api_anonymous_auth: true
|
|
#kube_apiserver_insecure_port: 0 # (disabled)
|
|
|
|
# Kube-proxy proxyMode configuration.
|
|
# Can be ipvs, iptables
|
|
kube_proxy_mode: iptables
|
|
|
|
# Kube-proxy nodeport address.
|
|
# cidr to bind nodeport services. Flag --nodeport-addresses on kube-proxy manifest
|
|
kube_proxy_nodeport_addresses: false
|
|
# kube_proxy_nodeport_addresses_cidr: 10.0.1.0/24
|
|
|
|
## Encrypting Secret Data at Rest (experimental)
|
|
kube_encrypt_secret_data: 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
|
|
# Can be dnsmasq_kubedns, kubedns, coredns, coredns_dual, manual or none
|
|
dns_mode: kubedns
|
|
# Set manual server if using a custom cluster DNS server
|
|
#manual_dns_server: 10.x.x.x
|
|
|
|
# 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 skydns service
|
|
skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}"
|
|
skydns_server_secondary: "{{ kube_service_addresses|ipaddr('net')|ipaddr(4)|ipaddr('address') }}"
|
|
dnsmasq_dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
|
|
dns_domain: "{{ cluster_name }}"
|
|
|
|
# Container runtime
|
|
# docker for docker and crio for cri-o.
|
|
container_manager: docker
|
|
|
|
# Path used to store Docker data
|
|
docker_daemon_graph: "/var/lib/docker"
|
|
|
|
## Used to set docker daemon iptables options to true
|
|
#docker_iptables_enabled: "true"
|
|
|
|
## A string of extra options to pass to the docker daemon.
|
|
## This string should be exactly as you wish it to appear.
|
|
## An obvious use case is allowing insecure-registry access
|
|
## to self hosted registries like so:
|
|
|
|
docker_options: >-
|
|
--insecure-registry={{ kube_service_addresses }} --graph={{ docker_daemon_graph }} {{ docker_log_opts }}
|
|
{%- if ansible_architecture == "aarch64" and ansible_os_family == "RedHat" %}
|
|
--add-runtime docker-runc=/usr/libexec/docker/docker-runc-current
|
|
--default-runtime=docker-runc --exec-opt native.cgroupdriver=systemd
|
|
--userland-proxy-path=/usr/libexec/docker/docker-proxy-current --signature-verification=false
|
|
{%- endif -%}
|
|
docker_bin_dir: "/usr/bin"
|
|
|
|
## 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:
|
|
|
|
# Settings for containerized control plane (etcd/kubelet/secrets)
|
|
etcd_deployment_type: docker
|
|
kubelet_deployment_type: host
|
|
vault_deployment_type: docker
|
|
helm_deployment_type: host
|
|
|
|
# K8s image pull policy (imagePullPolicy)
|
|
k8s_image_pull_policy: IfNotPresent
|
|
|
|
# audit log for kubernetes
|
|
kubernetes_audit: false
|
|
|
|
# pod security policy (RBAC must be enabled either by having 'RBAC' in authorization_modes or kubeadm enabled)
|
|
podsecuritypolicy_enabled: false
|
|
|
|
# Kubernetes dashboard
|
|
# RBAC required. see docs/getting-started.md for access details.
|
|
dashboard_enabled: true
|
|
|
|
# Monitoring apps for k8s
|
|
efk_enabled: false
|
|
|
|
# Helm deployment
|
|
helm_enabled: false
|
|
|
|
# Registry deployment
|
|
registry_enabled: false
|
|
# registry_namespace: "{{ system_namespace }}"
|
|
# registry_storage_class: ""
|
|
# registry_disk_size: "10Gi"
|
|
|
|
# Local volume provisioner deployment
|
|
local_volume_provisioner_enabled: false
|
|
# local_volume_provisioner_namespace: "{{ system_namespace }}"
|
|
# local_volume_provisioner_base_dir: /mnt/disks
|
|
# local_volume_provisioner_mount_dir: /mnt/disks
|
|
# local_volume_provisioner_storage_class: local-storage
|
|
|
|
# CephFS provisioner deployment
|
|
cephfs_provisioner_enabled: false
|
|
# cephfs_provisioner_namespace: "cephfs-provisioner"
|
|
# cephfs_provisioner_cluster: ceph
|
|
# cephfs_provisioner_monitors: "172.24.0.1:6789,172.24.0.2:6789,172.24.0.3:6789"
|
|
# cephfs_provisioner_admin_id: admin
|
|
# cephfs_provisioner_secret: secret
|
|
# cephfs_provisioner_storage_class: cephfs
|
|
# cephfs_provisioner_reclaim_policy: Delete
|
|
# cephfs_provisioner_claim_root: /volumes
|
|
# cephfs_provisioner_deterministic_names: true
|
|
|
|
# Nginx ingress controller deployment
|
|
ingress_nginx_enabled: false
|
|
# ingress_nginx_host_network: false
|
|
# ingress_nginx_nodeselector:
|
|
# node-role.kubernetes.io/master: "true"
|
|
# ingress_nginx_namespace: "ingress-nginx"
|
|
# ingress_nginx_insecure_port: 80
|
|
# ingress_nginx_secure_port: 443
|
|
# ingress_nginx_configmap:
|
|
# map-hash-bucket-size: "128"
|
|
# ssl-protocols: "SSLv2"
|
|
# ingress_nginx_configmap_tcp_services:
|
|
# 9000: "default/example-go:8080"
|
|
# ingress_nginx_configmap_udp_services:
|
|
# 53: "kube-system/kube-dns:53"
|
|
|
|
# Cert manager deployment
|
|
cert_manager_enabled: false
|
|
# cert_manager_namespace: "cert-manager"
|
|
|
|
# Add Persistent Volumes Storage Class for corresponding cloud provider ( OpenStack is only supported now )
|
|
persistent_volumes_enabled: false
|
|
|
|
# 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
|
|
|
|
# dnsmasq
|
|
# dnsmasq_upstream_dns_servers:
|
|
# - /resolvethiszone.with/10.0.4.250
|
|
# - 8.8.8.8
|
|
|
|
# Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created. (default true)
|
|
# kubelet_cgroups_per_qos: true
|
|
|
|
# A comma separated list of levels of node allocatable enforcement to be enforced by kubelet.
|
|
# Acceptable options are 'pods', 'system-reserved', 'kube-reserved' and ''. Default is "".
|
|
# kubelet_enforce_node_allocatable: pods
|
|
|
|
## Supplementary addresses that can be added in kubernetes ssl keys.
|
|
## That can be useful for example to setup a keepalived virtual IP
|
|
# supplementary_addresses_in_ssl_keys: [10.0.0.1, 10.0.0.2, 10.0.0.3]
|
|
|
|
## Running on top of openstack vms with cinder enabled may lead to unschedulable pods due to NoVolumeZoneConflict restriction in kube-scheduler.
|
|
## See https://github.com/kubernetes-incubator/kubespray/issues/2141
|
|
## Set this variable to true to get rid of this issue
|
|
volume_cross_zone_attachment: false
|