238 lines
8.4 KiB
YAML
238 lines
8.4 KiB
YAML
# 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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kube_api_anonymous_auth: true
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## Change this to use another Kubernetes version, e.g. a current beta release
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kube_version: v1.9.5
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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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# 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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# Optionally add groups for user
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kube_api_pwd: "{{ lookup('password', inventory_dir + '/credentials/kube_user.creds length=15 chars=ascii_letters,digits') }}"
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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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groups:
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- system:masters
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## It is possible to activate / deactivate selected authentication methods (basic auth, static token auth)
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#kube_oidc_auth: false
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#kube_basic_auth: false
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#kube_token_auth: false
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## Variables for OpenID Connect Configuration https://kubernetes.io/docs/admin/authentication/
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## To use OpenID you have to deploy additional an OpenID Provider (e.g Dex, Keycloak, ...)
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# kube_oidc_url: https:// ...
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# kube_oidc_client_id: kubernetes
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## Optional settings for OIDC
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# kube_oidc_ca_file: {{ kube_cert_dir }}/ca.pem
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# kube_oidc_username_claim: sub
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# kube_oidc_groups_claim: groups
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# Choose network plugin (cilium, calico, contiv, 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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# weave's network password for encryption
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# if null then no network encryption
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# you can use --extra-vars to pass the password in command line
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weave_password: EnterPasswordHere
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# Weave uses consensus mode by default
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# Enabling seed mode allow to dynamically add or remove hosts
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# https://www.weave.works/docs/net/latest/ipam/
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weave_mode_seed: false
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# This two variable are automatically changed by the weave's role, do not manually change these values
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# To reset values :
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# weave_seed: uninitialized
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# weave_peers: uninitialized
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weave_seed: uninitialized
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weave_peers: uninitialized
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# Set the MTU of Weave (default 1376, Jumbo Frames: 8916)
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weave_mtu: 1376
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# Enable kubernetes network policies
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enable_network_policy: false
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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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kube_apiserver_port: 6443 # (https)
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kube_apiserver_insecure_port: 8080 # (http)
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# Set to 0 to disable insecure port - Requires RBAC in authorization_modes and kube_api_anonymous_auth: true
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#kube_apiserver_insecure_port: 0 # (disabled)
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# Kube-proxy proxyMode configuration.
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# Can be ipvs, iptables
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kube_proxy_mode: iptables
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## Encrypting Secret Data at Rest (experimental)
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kube_encrypt_secret_data: false
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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, coredns, coredns_dual, manual or none
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dns_mode: kubedns
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# Set manual server if using a custom cluster DNS server
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#manual_dns_server: 10.x.x.x
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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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skydns_server_secondary: "{{ kube_service_addresses|ipaddr('net')|ipaddr(4)|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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# Path used to store Docker data
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docker_daemon_graph: "/var/lib/docker"
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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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docker_bin_dir: "/usr/bin"
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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: host
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vault_deployment_type: docker
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helm_deployment_type: host
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# K8s image pull policy (imagePullPolicy)
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k8s_image_pull_policy: IfNotPresent
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# Kubernetes dashboard
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# RBAC required. see docs/getting-started.md for access details.
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dashboard_enabled: true
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# Monitoring apps for k8s
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efk_enabled: false
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# Helm deployment
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helm_enabled: false
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# Istio deployment
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istio_enabled: false
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# Registry deployment
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registry_enabled: false
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# registry_namespace: "{{ system_namespace }}"
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# registry_storage_class: ""
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# registry_disk_size: "10Gi"
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# Local volume provisioner deployment
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local_volume_provisioner_enabled: false
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# local_volume_provisioner_namespace: "{{ system_namespace }}"
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# local_volume_provisioner_base_dir: /mnt/disks
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# local_volume_provisioner_mount_dir: /mnt/disks
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# local_volume_provisioner_storage_class: local-storage
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# CephFS provisioner deployment
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cephfs_provisioner_enabled: false
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# cephfs_provisioner_namespace: "{{ system_namespace }}"
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# cephfs_provisioner_cluster: ceph
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# cephfs_provisioner_monitors:
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# - 172.24.0.1:6789
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# - 172.24.0.2:6789
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# - 172.24.0.3:6789
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# cephfs_provisioner_admin_id: admin
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# cephfs_provisioner_secret: secret
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# cephfs_provisioner_storage_class: cephfs
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# Nginx ingress controller deployment
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ingress_nginx_enabled: false
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# ingress_nginx_host_network: false
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# ingress_nginx_namespace: "ingress-nginx"
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# ingress_nginx_insecure_port: 80
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# ingress_nginx_secure_port: 443
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# ingress_nginx_configmap:
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# map-hash-bucket-size: "128"
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# ssl-protocols: "SSLv2"
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# ingress_nginx_configmap_tcp_services:
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# 9000: "default/example-go:8080"
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# ingress_nginx_configmap_udp_services:
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# 53: "kube-system/kube-dns:53"
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# Add Persistent Volumes Storage Class for corresponding cloud provider ( OpenStack is only supported now )
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persistent_volumes_enabled: false
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# Make a copy of kubeconfig on the host that runs Ansible in {{ inventory_dir }}/artifacts
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# kubeconfig_localhost: false
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# Download kubectl onto the host that runs Ansible in {{ bin_dir }}
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# kubectl_localhost: false
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# dnsmasq
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# dnsmasq_upstream_dns_servers:
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# - /resolvethiszone.with/10.0.4.250
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# - 8.8.8.8
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# Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created. (default true)
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# kubelet_cgroups_per_qos: true
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# A comma separated list of levels of node allocatable enforcement to be enforced by kubelet.
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# Acceptable options are 'pods', 'system-reserved', 'kube-reserved' and ''. Default is "".
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# kubelet_enforce_node_allocatable: pods
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## Supplementary addresses that can be added in kubernetes ssl keys.
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## That can be useful for example to setup a keepalived virtual IP
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# supplementary_addresses_in_ssl_keys: [10.0.0.1, 10.0.0.2, 10.0.0.3]
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## Running on top of openstack vms with cinder enabled may lead to unschedulable pods due to NoVolumeZoneConflict restriction in kube-scheduler.
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## See https://github.com/kubernetes-incubator/kubespray/issues/2141
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## Set this variable to true to get rid of this issue
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volume_cross_zone_attachment: false
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