kubespray/inventory/group_vars/all.yml

# Valid bootstrap options (required): ubuntu, coreos, centos, none
bootstrap_os: none

# Directory where the binaries will be installed
bin_dir: /usr/local/bin

# 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"

## Change this to use another Kubernetes version, e.g. a current beta release
kube_version: v1.5.1

# 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

# Uncomment this line for CoreOS only.
# Directory where python binary is installed
# ansible_python_interpreter: "/opt/bin/python"

# 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

# Kubernetes 1.5 added a new flag to the apiserver to disable anonymous auth. In previos versions, anonymous auth was
# not implemented. As the new flag defaults to true, we have to explicetely disable it. Change this line if you want the
# 1.5 default behavior. The flag is actually only added if the used kubernetes version is >= 1.5
kube_api_anonymous_auth: false

# Users to create for basic auth in Kubernetes API via HTTP
kube_api_pwd: "changeme"
kube_users:
  kube:
    pass: "{{kube_api_pwd}}"
    role: admin
  root:
    pass: "changeme"
    role: admin

# 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
# Deploy netchecker app to verify DNS resolve as an HTTP service
deploy_netchecker: false

# For some environments, each node has a pubilcally accessible
# address and an address it should bind services to.  These are
# really inventory level variables, but described here for consistency.
#
# When advertising access, the access_ip will be used, but will defer to
# ip and then the default ansible ip when unspecified.
#
# When binding to restrict access, the ip variable will be used, but will
# defer to the default ansible ip when unspecified.
#
# The ip variable is used for specific address binding, e.g. listen address
# for etcd.  This is use to help with environments like Vagrant or multi-nic
# systems where one address should be preferred over another.
# ip: 10.2.2.2
#
# The access_ip variable is used to define how other nodes should access
# the node.  This is used in flannel to allow other flannel nodes to see
# this node for example.  The access_ip is really useful AWS and Google
# environments where the nodes are accessed remotely by the "public" ip,
# but don't know about that address themselves.
# access_ip: 1.1.1.1

# Etcd access modes:
# Enable multiaccess to configure clients to access all of the etcd members directly
# as the "http://hostX:port, http://hostY:port, ..." and ignore the proxy loadbalancers.
# This may be the case if clients support and loadbalance multiple etcd servers  natively.
etcd_multiaccess: true

# Assume there are no internal loadbalancers for apiservers exist and listen on
# kube_apiserver_port (default 443)
loadbalancer_apiserver_localhost: true

# Choose network plugin (calico, weave or flannel)
# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
kube_network_plugin: flannel

# 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 total size (optional). This is the prefix of the
# entire network. Must be unused in your environment.
# kube_network_prefix: 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

# With calico it is possible to distributed routes with border routers of the datacenter.
peer_with_router: false
# Warning : enabling router peering will disable calico's default behavior ('node mesh').
# The subnets of each nodes will be distributed by the datacenter router

# The port the API Server will be listening on.
kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
kube_apiserver_port: 443 # (https)
kube_apiserver_insecure_port: 8080 # (http)
# local loadbalancer should use this port instead - default to kube_apiserver_port
nginx_kube_apiserver_port: "{{ kube_apiserver_port }}"

# Internal DNS configuration.
# Kubernetes can create and mainatain its own DNS server to resolve service names
# into appropriate IP addresses. It's highly advisable to run such DNS server,
# as it greatly simplifies configuration of your applications - you can use
# service names instead of magic environment variables.

# Can be dnsmasq_kubedns, kubedns or none
dns_mode: dnsmasq_kubedns

# Can be docker_dns, host_resolvconf or none
resolvconf_mode: docker_dns

## Upstream dns servers used by dnsmasq
#upstream_dns_servers:
#  - 8.8.8.8
#  - 8.8.4.4

dns_domain: "{{ cluster_name }}"

# 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') }}"

# There are some changes specific to the cloud providers
# for instance we need to encapsulate packets with some network plugins
# If set the possible values are either 'gce', 'aws', 'azure' or 'openstack'
# When openstack is used make sure to source in the openstack credentials
# like you would do when using nova-client before starting the playbook.
# When azure is used, you need to also set the following variables.
# cloud_provider:

# see docs/azure.md for details on how to get these values
#azure_tenant_id:
#azure_subscription_id:
#azure_aad_client_id:
#azure_aad_client_secret:
#azure_resource_group:
#azure_location:
#azure_subnet_name:
#azure_security_group_name:
#azure_vnet_name:
#azure_route_table_name:


## Set these proxy values in order to update docker daemon to use proxies
# http_proxy: ""
# https_proxy: ""
# no_proxy: ""

# 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_bin_dir: "/usr/bin"

## 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

# K8s image pull policy (imagePullPolicy)
k8s_image_pull_policy: IfNotPresent

# default packages to install within the cluster
kpm_packages: []
#  - name: kube-system/grafana

# Settings for containerized control plane (etcd/kubelet)
rkt_version: 1.21.0
etcd_deployment_type: docker
kubelet_deployment_type: docker