c12s-kubespray/roles/kubespray-defaults/defaults/main.yaml

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---
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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
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# Default value, but will be set to true automatically if detected
is_atomic: false
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## Change this to use another Kubernetes version, e.g. a current beta release
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kube_version: v1.6.7
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# Set to true to allow pre-checks to fail and continue deployment
ignore_assert_errors: false
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# Directory where the binaries will be installed
bin_dir: /usr/local/bin
docker_bin_dir: /usr/bin
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etcd_data_dir: /var/lib/etcd
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# 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
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# 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
# Determines if calico-rr group exists
peer_with_calico_rr: "{{ 'calico-rr' in groups and groups['calico-rr']|length > 0 }}"
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# 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
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# 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"
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## 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 }}"
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# 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
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# K8s image pull policy (imagePullPolicy)
k8s_image_pull_policy: IfNotPresent
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efk_enabled: false
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enable_network_policy: false
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## 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)"
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## 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
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## List of authorization modes that must be configured for
## the k8s cluster. Only 'AlwaysAllow', 'AlwaysDeny', 'Node' and
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## 'RBAC' modes are tested.
authorization_modes: ['RBAC', 'Node']
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"
# 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(ansible_default_ipv4['address']) }}"
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(hostvars[groups['kube-master'][0]]['ansible_default_ipv4']['address'])) }}"
loadbalancer_apiserver_localhost: "{{ loadbalancer_apiserver is not defined }}"
kube_apiserver_endpoint: |-
{% if not is_kube_master and loadbalancer_apiserver_localhost|default(true) -%}
https://localhost:{{ nginx_kube_apiserver_port|default(kube_apiserver_port) }}
{%- elif is_kube_master -%}
https://127.0.0.1:{{ kube_apiserver_port }}
{%- else -%}
{%- if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%}
https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }}
{%- else -%}
https://{{ first_kube_master }}:{{ kube_apiserver_port }}
{%- endif -%}
{%- 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 }}
# Vars for pointing to etcd endpoints
is_etcd_master: "{{ inventory_hostname in groups['etcd'] }}"
etcd_address: "{{ ip | default(ansible_default_ipv4['address']) }}"
etcd_access_address: "{{ access_ip | default(etcd_address) }}"
etcd_peer_url: "https://{{ etcd_access_address }}:2380"
etcd_client_url: "https://{{ etcd_access_address }}:2379"
etcd_access_addresses: |-
{% for item in groups['etcd'] -%}
https://{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }}:2379{% if not loop.last %},{% endif %}
{%- endfor %}
etcd_member_name: |-
{% for host in groups['etcd'] %}
{% if inventory_hostname == host %}{{"etcd"+loop.index|string }}{% endif %}
{% endfor %}
etcd_peer_addresses: |-
{% for item in groups['etcd'] -%}
{{ "etcd"+loop.index|string }}=https://{{ hostvars[item].access_ip | default(hostvars[item].ip | default(hostvars[item].ansible_default_ipv4['address'])) }}:2380{% if not loop.last %},{% endif %}
{%- endfor %}