232 lines
9.7 KiB
YAML
232 lines
9.7 KiB
YAML
---
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## Required for bootstrap-os/preinstall/download roles and setting facts
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# Valid bootstrap options (required): ubuntu, coreos, centos, none
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bootstrap_os: none
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# Use proxycommand if bastion host is in group all
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# This change obseletes editing ansible.cfg file depending on bastion existance
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ansible_ssh_common_args: "{% if 'bastion' in groups['all'] %} -o ProxyCommand='ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -W %h:%p {{ ansible_user }}@{{hostvars['bastion']['ansible_host']}} ' {% endif %}"
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kube_api_anonymous_auth: false
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# Default value, but will be set to true automatically if detected
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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: v1.8.2
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# Set to true to allow pre-checks to fail and continue deployment
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ignore_assert_errors: false
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# Directory where the binaries will be installed
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bin_dir: /usr/local/bin
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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.
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# Note: ensure that you've enough disk space (about 1G)
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local_release_dir: "/tmp/releases"
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# Random shifts for retrying failed ops like pushing/downloading
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retry_stagger: 5
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# DNS configuration.
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# Kubernetes cluster name, also will be used as DNS domain
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cluster_name: cluster.local
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# Subdomains of DNS domain to be resolved via /etc/resolv.conf for hostnet pods
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ndots: 2
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# Can be dnsmasq_kubedns, kubedns or none
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dns_mode: kubedns
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# Can be docker_dns, host_resolvconf or none
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resolvconf_mode: docker_dns
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# Deploy netchecker app to verify DNS resolve as an HTTP service
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deploy_netchecker: false
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# Ip address of the kubernetes skydns service
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skydns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(3)|ipaddr('address') }}"
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dnsmasq_dns_server: "{{ kube_service_addresses|ipaddr('net')|ipaddr(2)|ipaddr('address') }}"
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dns_domain: "{{ cluster_name }}"
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# Kubernetes configuration dirs and system namespace.
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# Those are where all the additional config stuff goes
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# the kubernetes normally puts in /srv/kubernets.
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# This puts them in a sane location and namespace.
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# Editting those values will almost surely break something.
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kube_config_dir: /etc/kubernetes
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kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"
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kube_manifest_dir: "{{ kube_config_dir }}/manifests"
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system_namespace: kube-system
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# This is where all the cert scripts and certs will be located
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kube_cert_dir: "{{ kube_config_dir }}/ssl"
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# This is where all of the bearer tokens will be stored
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kube_token_dir: "{{ kube_config_dir }}/tokens"
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# This is where to save basic auth file
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kube_users_dir: "{{ kube_config_dir }}/users"
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# This is the group that the cert creation scripts chgrp the
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# cert files to. Not really changable...
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kube_cert_group: kube-cert
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# Cluster Loglevel configuration
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kube_log_level: 2
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# Users to create for basic auth in Kubernetes API via HTTP
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kube_api_pwd: "changeme"
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kube_users:
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kube:
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pass: "{{kube_api_pwd}}"
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role: admin
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# Choose network plugin (calico, weave or flannel)
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# Can also be set to 'cloud', which lets the cloud provider setup appropriate routing
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kube_network_plugin: calico
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# Determines if calico-rr group exists
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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.
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kube_service_addresses: 10.233.0.0/18
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# internal network. When used, it will assign IP
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# addresses from this range to individual pods.
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# This network must be unused in your network infrastructure!
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kube_pods_subnet: 10.233.64.0/18
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# internal network node size allocation (optional). This is the size allocated
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# to each node on your network. With these defaults you should have
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# room for 4096 nodes with 254 pods per node.
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kube_network_node_prefix: 24
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# The port the API Server will be listening on.
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kube_apiserver_ip: "{{ kube_service_addresses|ipaddr('net')|ipaddr(1)|ipaddr('address') }}"
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# https
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kube_apiserver_port: 6443
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# http
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kube_apiserver_insecure_bind_address: 127.0.0.1
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kube_apiserver_insecure_port: 8080
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# Path used to store Docker data
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docker_daemon_graph: "/var/lib/docker"
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# Docker log options
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# Rotate container stderr/stdout logs at 50m and keep last 5
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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.
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## This string should be exactly as you wish it to appear.
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## An obvious use case is allowing insecure-registry access
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## to self hosted registries like so:
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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)
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etcd_deployment_type: docker
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kubelet_deployment_type: docker
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cert_management: script
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vault_deployment_type: docker
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# Enable kubeadm deployment (experimental)
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kubeadm_enabled: false
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kubeadm_token: "abcdef.0123456789abcdef"
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# Make a copy of kubeconfig on the host that runs Ansible in GITDIR/artifacts
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kubeconfig_localhost: false
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# Download kubectl onto the host that runs Ansible in GITDIR/artifacts
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kubectl_localhost: false
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# K8s image pull policy (imagePullPolicy)
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k8s_image_pull_policy: IfNotPresent
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efk_enabled: false
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helm_enabled: false
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istio_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)
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# 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.
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openstack_lbaas_enabled: false
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# openstack_lbaas_subnet_id: "Neutron subnet ID (not network ID) to create LBaaS VIP"
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# openstack_lbaas_floating_network_id: "Neutron network ID (not subnet ID) to get floating IP from, disabled by default"
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# openstack_lbaas_create_monitor: "yes"
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# openstack_lbaas_monitor_delay: false
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# openstack_lbaas_monitor_timeout: false
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# openstack_lbaas_monitor_max_retries: false
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## List of authorization modes that must be configured for
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## the k8s cluster. Only 'AlwaysAllow', 'AlwaysDeny', 'Node' and
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## 'RBAC' modes are tested. Order is important.
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authorization_modes: ['Node', 'RBAC']
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rbac_enabled: "{{ 'RBAC' in authorization_modes or kubeadm_enabled }}"
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## List of key=value pairs that describe feature gates for
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## the k8s cluster.
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kube_feature_gates: ['Initializers=true']
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# Vault data dirs.
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vault_base_dir: /etc/vault
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vault_cert_dir: "{{ vault_base_dir }}/ssl"
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vault_config_dir: "{{ vault_base_dir }}/config"
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vault_roles_dir: "{{ vault_base_dir }}/roles"
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vault_secrets_dir: "{{ vault_base_dir }}/secrets"
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## Set no_proxy to all assigned cluster IPs and hostnames
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no_proxy: >-
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{%- if loadbalancer_apiserver is defined -%}
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{{ apiserver_loadbalancer_domain_name| default('') }},
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{{ loadbalancer_apiserver.address | default('') }},
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{%- endif -%}
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{%- for item in (groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([]))|unique -%}
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{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }},
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{%- if (item != hostvars[item]['ansible_hostname']) -%}
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{{ hostvars[item]['ansible_hostname'] }},
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{{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }},
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{%- endif -%}
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{{ item }},{{ item }}.{{ dns_domain }},
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{%- endfor -%}
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127.0.0.1,localhost
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proxy_env:
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http_proxy: "{{ http_proxy| default ('') }}"
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https_proxy: "{{ https_proxy| default ('') }}"
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no_proxy: "{{ no_proxy }}"
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# Vars for pointing to kubernetes api endpoints
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is_kube_master: "{{ inventory_hostname in groups['kube-master'] }}"
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kube_apiserver_count: "{{ groups['kube-master'] | length }}"
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kube_apiserver_address: "{{ ip | default(ansible_default_ipv4['address']) }}"
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kube_apiserver_access_address: "{{ access_ip | default(kube_apiserver_address) }}"
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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'])) }}"
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loadbalancer_apiserver_localhost: "{{ loadbalancer_apiserver is not defined }}"
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kube_apiserver_endpoint: |-
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{% if not is_kube_master and loadbalancer_apiserver_localhost|default(true) -%}
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https://localhost:{{ nginx_kube_apiserver_port|default(kube_apiserver_port) }}
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{%- elif is_kube_master -%}
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https://127.0.0.1:{{ kube_apiserver_port }}
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{%- else -%}
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{%- if loadbalancer_apiserver is defined and loadbalancer_apiserver.port is defined -%}
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https://{{ apiserver_loadbalancer_domain_name|default('lb-apiserver.kubernetes.local') }}:{{ loadbalancer_apiserver.port|default(kube_apiserver_port) }}
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{%- else -%}
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https://{{ first_kube_master }}:{{ kube_apiserver_port }}
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{%- endif -%}
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{%- endif %}
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kube_apiserver_insecure_endpoint: >-
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http://{{ kube_apiserver_insecure_bind_address | regex_replace('0\.0\.0\.0','127.0.0.1') }}:{{ kube_apiserver_insecure_port }}
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# Vars for pointing to etcd endpoints
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is_etcd_master: "{{ inventory_hostname in groups['etcd'] }}"
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etcd_address: "{{ ip | default(ansible_default_ipv4['address']) }}"
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etcd_access_address: "{{ access_ip | default(etcd_address) }}"
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etcd_peer_url: "https://{{ etcd_access_address }}:2380"
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etcd_client_url: "https://{{ etcd_access_address }}:2379"
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etcd_access_addresses: |-
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{% for item in groups['etcd'] -%}
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https://{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(hostvars[item]['ansible_default_ipv4']['address'])) }}:2379{% if not loop.last %},{% endif %}
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{%- endfor %}
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etcd_member_name: |-
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{% for host in groups['etcd'] %}
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{% if inventory_hostname == host %}{{"etcd"+loop.index|string }}{% endif %}
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{% endfor %}
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etcd_peer_addresses: |-
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{% for item in groups['etcd'] -%}
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{{ "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 %}
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{%- endfor %}
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