# 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: v1.11.3