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---
## Required for bootstrap-os/preinstall/download roles and setting facts
# Valid bootstrap options (required): ubuntu, coreos, centos, none
bootstrap_os: none
kube_api_anonymous_auth: false
# Default value, but will be set to true automatically if detected
is_atomic: false
## Change this to use another Kubernetes version, e.g. a current beta release
kube_version: v1.6.7
# Set to true to allow pre-checks to fail and continue deployment
ignore_assert_errors: false
# Directory where the binaries will be installed
bin_dir: /usr/local/bin
docker_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
# 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 or none
dns_mode: kubedns
# 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') }}"
dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
dns_domain: "{{ cluster_name }}"
# Kubernetes configuration dirs and system namespace.
# Those are where all the additional config stuff goes
# the kubernetes normally puts in /srv/kubernets.
# This puts them in a sane location and namespace.
# Editting 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"
system_namespace: kube-system
# 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"
# This is the group that the cert creation scripts chgrp the
# cert files to. Not really changable...
kube_cert_group: kube-cert
# Cluster Loglevel configuration
kube_log_level: 2
# Users to create for basic auth in Kubernetes API via HTTP
kube_api_pwd: "changeme"
kube_users:
kube:
pass: "{{kube_api_pwd}}"
role: admin
# Choose network plugin (calico, weave or flannel)
# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
kube_network_plugin: calico
# 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') }}"
# https
kube_apiserver_port: 6443
# http
kube_apiserver_insecure_bind_address: 127.0.0.1
kube_apiserver_insecure_port: 8080
# Path used to store Docker data
docker_daemon_graph: "/var/lib/docker"
# 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 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 }}"
# Settings for containerized control plane (etcd/kubelet/secrets)
etcd_deployment_type: docker
kubelet_deployment_type: docker
cert_management: script
vault_deployment_type: docker
# Enable kubeadm deployment (experimental)
kubeadm_enabled: false
kubeadm_token: "abcdef.0123456789abcdef"
# Make a copy of kubeconfig on the host that runs Ansible in GITDIR/artifacts
kubeconfig_localhost: false
# Download kubectl onto the host that runs Ansible in GITDIR/artifacts
kubectl_localhost: false
# K8s image pull policy (imagePullPolicy)
k8s_image_pull_policy: IfNotPresent
efk_enabled: false
enable_network_policy: false
## When OpenStack is used, Cinder version can be explicitly specified if autodetection fails (https://github.com/kubernetes/kubernetes/issues/50461)
# openstack_blockstorage_version: "v1/v2/auto (default)"
## When OpenStack is used, if LBaaSv2 is available you can enable it with the following variables.
openstack_lbaas_enabled: false
# openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
# openstack_lbaas_floating_network_id: "Neutron network ID (not subnet ID) to get floating IP from, disabled by default"
# openstack_lbaas_create_monitor: "yes"
# openstack_lbaas_monitor_delay: false
# openstack_lbaas_monitor_timeout: false
# openstack_lbaas_monitor_max_retries: false
## List of authorization modes that must be configured for
## the k8s cluster. Only 'AlwaysAllow','AlwaysDeny', and
## 'RBAC' modes are tested.
authorization_modes: []
rbac_enabled: "{{ 'RBAC' in authorization_modes or kubeadm_enabled }}"
## List of key=value pairs that describe feature gates for
## the k8s cluster.
kube_feature_gates: []
# Vault data dirs.
vault_base_dir: /etc/vault
vault_cert_dir: "{{ vault_base_dir }}/ssl"
vault_config_dir: "{{ vault_base_dir }}/config"
vault_roles_dir: "{{ vault_base_dir }}/roles"
vault_secrets_dir: "{{ vault_base_dir }}/secrets"
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