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# Valid bootstrap options (required): ubuntu, coreos, centos, none
bootstrap_os: none
#Directory where etcd data stored
etcd_data_dir: /var/lib/etcd
# Directory where the binaries will be installed
bin_dir: /usr/local/bin
### OTHER OPTIONAL VARIABLES
## For some things, kubelet needs to load kernel modules. For example, dynamic kernel services are needed
## for mounting persistent volumes into containers. These may not be loaded by preinstall kubernetes
## processes. For example, ceph and rbd backed volumes. Set to true to allow kubelet to load kernel
## modules.
kubelet_load_modules: true
# Uncomment this if you have more than 3 nameservers, then we'll only use the first 3.
docker_dns_servers_strict: false
# Kubernetes configuration dirs and system namespace.
# Those are where all the additional config stuff goes
# 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"
system_namespace: kube-system
# Logging directory (sysvinit systems)
kube_log_dir: "/var/log/kubernetes"
# 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
# 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 changable...
kube_cert_group: kube-cert
# Users to create for basic auth in Kubernetes API via HTTP
# Optionally add groups for user
kube_api_pwd: "secret"
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: true
kube_token_auth: true
# Choose network plugin (calico, contiv, weave or flannel)
# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
kube_network_plugin: flannel
# Enable kubernetes network policies
enable_network_policy: false
# 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)
# 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') }}"
dnsmasq_dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
dns_domain: "{{ cluster_name }}"
# Path used to store Docker data
docker_daemon_graph: "/var/lib/docker"
## 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 }}"
docker_bin_dir: "/usr/bin"
# 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
# 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
# Istio deployment
istio_enabled: false
# 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 GITDIR/artifacts
kubeconfig_localhost: true
# Download kubectl onto the host that runs Ansible in GITDIR/artifacts
kubectl_localhost: false
artifacts_dir: "{{ ansible_env.HOME }}"
# Enable MountPropagation gate feature
local_volumes_enabled: true
## Change this to use another Kubernetes version, e.g. a current beta release
kube_version: v1.11.2
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